Go terms map to parent GO term: GO:0003674   other molecular_function
GOID
Link to GO
 Functional Category Description Protein Count
link to
protein list
GO:0005515 protein binding Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules). 1021
GO:0042803 protein homodimerization activity Interacting selectively and non-covalently with an identical protein to form a homodimer. 543
GO:0046982 protein heterodimerization activity Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer. 302
GO:0005488 binding The selective, non-covalent, often stoichiometric, interaction of a molecule with one or more specific sites on another molecule. 286
GO:0003682 chromatin binding Interacting selectively and non-covalently with chromatin, the network of fibers of DNA, protein, and sometimes RNA, that make up the chromosomes of the eukaryotic nucleus during interphase. 270
GO:0042802 identical protein binding Interacting selectively and non-covalently with an identical protein or proteins. 244
GO:0003677 DNA binding Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid). 210
GO:0032403 protein complex binding Interacting selectively and non-covalently with any protein complex (a complex of two or more proteins that may include other nonprotein molecules). 193
GO:0019904 protein domain specific binding Interacting selectively and non-covalently with a specific domain of a protein. 176
GO:0003924 GTPase activity Catalysis of the reaction: GTP + H2O = GDP + phosphate. 172
GO:0019899 enzyme binding Interacting selectively and non-covalently with any enzyme. 154
GO:0005516 calmodulin binding Interacting selectively and non-covalently with calmodulin, a calcium-binding protein with many roles, both in the calcium-bound and calcium-free states. 154
GO:0005102 receptor binding Interacting selectively and non-covalently with one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function. 141
GO:0003723 RNA binding Interacting selectively and non-covalently with an RNA molecule or a portion thereof. 137
GO:0008134 transcription factor binding Interacting selectively and non-covalently with a transcription factor, any protein required to initiate or regulate transcription. 127
GO:0016887 ATPase activity Catalysis of the reaction: ATP + H2O = ADP + phosphate + 2 H+. May or may not be coupled to another reaction. 123
GO:0042277 peptide binding Interacting selectively and non-covalently with peptides, any of a group of organic compounds comprising two or more amino acids linked by peptide bonds. 102
GO:0051082 unfolded protein binding Interacting selectively and non-covalently with an unfolded protein. 100
GO:0008022 protein C-terminus binding Interacting selectively and non-covalently with a protein C-terminus, the end of any peptide chain at which the 1-carboxy function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue. 97
GO:0043621 protein self-association Interacting selectively and non-covalently with a domain within the same polypeptide. 96
GO:0000166 nucleotide binding Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose. 93
GO:0008144 drug binding Interacting selectively and non-covalently with a drug, any naturally occurring or synthetic substance, other than a nutrient, that, when administered or applied to an organism, affects the structure or functioning of the organism; in particular, any such substance used in the diagnosis, prevention, or treatment of disease. 85
GO:0042393 histone binding Interacting selectively and non-covalently with a histone, any of a group of water-soluble proteins found in association with the DNA of plant and animal chromosomes. They are involved in the condensation and coiling of chromosomes during cell division and have also been implicated in nonspecific suppression of gene activity. 73
GO:0043022 ribosome binding Interacting selectively and non-covalently with any part of a ribosome. 71
GO:0043167 ion binding Interacting selectively and non-covalently with ions, charged atoms or groups of atoms. 71
GO:0003676 nucleic acid binding Interacting selectively and non-covalently with any nucleic acid. 63
GO:0047485 protein N-terminus binding Interacting selectively and non-covalently with a protein N-terminus, the end of any peptide chain at which the 2-amino (or 2-imino) function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue. 62
GO:0048306 calcium-dependent protein binding Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules), in the presence of calcium. 61
GO:0003824 catalytic activity Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic. 58
GO:0004871 signal transducer activity Conveys a signal across a cell to trigger a change in cell function or state. A signal is a physical entity or change in state that is used to transfer information in order to trigger a response. 51
GO:0046983 protein dimerization activity The formation of a protein dimer, a macromolecular structure consists of two noncovalently associated identical or nonidentical subunits. 50
GO:0008289 lipid binding Interacting selectively and non-covalently with a lipid. 50
GO:0009055 electron carrier activity Any molecular entity that serves as an electron acceptor and electron donor in an electron transport system. 48
GO:0043008 ATP-dependent protein binding Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules) using energy from the hydrolysis of ATP. 47
GO:0020037 heme binding Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring. 47
GO:0030165 PDZ domain binding Interacting selectively and non-covalently with a PDZ domain of a protein, a domain found in diverse signaling proteins. 46
GO:0051087 chaperone binding Interacting selectively and non-covalently with a chaperone protein, a class of proteins that bind to nascent or unfolded polypeptides and ensure correct folding or transport. 45
GO:0060002 plus-end directed microfilament motor activity Catalysis of movement along a microfilament towards the plus end, coupled to the hydrolysis of a nucleoside triphosphate (usually ATP). The plus end of an actin filament is the end that preferentially adds actin monomers. 45
GO:0051287 NAD binding Interacting selectively and non-covalently with nicotinamide adenine dinucleotide, a coenzyme involved in many redox and biosynthetic reactions; binding may be to either the oxidized form, NAD+, or the reduced form, NADH. 43
GO:0044325 ion channel binding Interacting selectively and non-covalently with one or more specific sites on an ion channel, a protein complex that spans a membrane and forms a water-filled channel across the phospholipid bilayer allowing selective ion transport down its electrochemical gradient. 40
GO:0001948 glycoprotein binding Interacting selectively and non-covalently with a glycoprotein, a protein that contains covalently bound glycose (monosaccharide) residues. These also include proteoglycans. 40
GO:0008092 cytoskeletal protein binding Interacting selectively and non-covalently with any protein component of any cytoskeleton (actin, microtubule, or intermediate filament cytoskeleton). 39
GO:0016491 oxidoreductase activity Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced. 38
GO:0032794 GTPase activating protein binding Interacting selectively and non-covalently with a GTPase activating protein. 38
GO:0051539 4 iron, 4 sulfur cluster binding Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands. 36
GO:0031683 G-protein beta/gamma-subunit complex binding Interacting selectively and non-covalently with a complex of G-protein beta/gamma subunits. 34
GO:0008565 protein transporter activity Enables the directed movement of proteins into, out of or within a cell, or between cells. 33
GO:0050661 NADP binding Interacting selectively and non-covalently with nicotinamide-adenine dinucleotide phosphate, a coenzyme involved in many redox and biosynthetic reactions; binding may be to either the oxidized form, NADP+, or the reduced form, NADPH. 32
GO:0060001 minus-end directed microfilament motor activity Catalysis of movement along a microfilament towards the minus end, coupled to the hydrolysis of a nucleoside triphosphate (usually ATP). The minus end of an actin filament is the end that does not preferentially add actin monomers. 31
GO:0000146 microfilament motor activity Catalysis of movement along a microfilament, coupled to the hydrolysis of a nucleoside triphosphate (usually ATP). 30
GO:0097159 organic cyclic compound binding Interacting selectively and non-covalently with an organic cyclic compound, any molecular entity that contains carbon arranged in a cyclic molecular structure. 30
GO:0043021 ribonucleoprotein complex binding Interacting selectively and non-covalently with any complex of RNA and protein. 30
GO:0071837 HMG box domain binding Interacting selectively and non-covalently with an HMG box domain, a protein domain that consists of three helices in an irregular array. HMG-box domains are found in one or more copies in HMG-box proteins, which form a large, diverse family involved in the regulation of DNA-dependent processes such as transcription, replication, and strand repair, all of which require the bending and unwinding of chromatin. 29
GO:0008233 peptidase activity Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid. 29
GO:0005198 structural molecule activity The action of a molecule that contributes to the structural integrity of a complex or assembly within or outside a cell. 28
GO:0048037 cofactor binding Interacting selectively and non-covalently with a cofactor, a substance that is required for the activity of an enzyme or other protein. Cofactors may be inorganic, such as the metal atoms zinc, iron, and copper in certain forms, or organic, in which case they are referred to as coenzymes. Cofactors may either be bound tightly to active sites or bind loosely with the substrate. 27
GO:0008013 beta-catenin binding Interacting selectively and non-covalently with the beta subunit of the catenin complex. 27
GO:0030331 estrogen receptor binding Interacting selectively and non-covalently with an estrogen receptor. 27
GO:0051879 Hsp90 protein binding Interacting selectively and non-covalently with Hsp90 proteins, any of a group of heat shock proteins around 90kDa in size. 27
GO:0008574 plus-end-directed microtubule motor activity Catalysis of movement along a microtubule toward the plus end, coupled to the hydrolysis of ATP (or GTP). 26
GO:0003777 microtubule motor activity Catalysis of movement along a microtubule, coupled to the hydrolysis of a nucleoside triphosphate (usually ATP). 26
GO:0051787 misfolded protein binding Interacting selectively and non-covalently with a misfolded protein. 25
GO:0030234 enzyme regulator activity Modulates the activity of an enzyme. 25
GO:0019905 syntaxin binding Interacting selectively and non-covalently with a syntaxin, a SNAP receptor involved in the docking of synaptic vesicles at the presynaptic zone of a synapse. 25
GO:0042288 MHC class I protein binding Interacting selectively and non-covalently with major histocompatibility complex class I molecules; a set of molecules displayed on cell surfaces that are responsible for lymphocyte recognition and antigen presentation. 25
GO:0016787 hydrolase activity Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3. 25
GO:0017124 SH3 domain binding Interacting selectively and non-covalently with a SH3 domain (Src homology 3) of a protein, small protein modules containing approximately 50 amino acid residues found in a great variety of intracellular or membrane-associated proteins. 25
GO:0005246 calcium channel regulator activity Modulates the activity of a calcium channel. 25
GO:0030276 clathrin binding Interacting selectively and non-covalently with a clathrin heavy or light chain, the main components of the coat of coated vesicles and coated pits, and which also occurs in synaptic vesicles. 24
GO:0030674 protein binding, bridging The binding activity of a molecule that brings together two or more protein molecules, or a protein and another macromolecule or complex, through a selective, non-covalent, often stoichiometric interaction, permitting those molecules to function in a coordinated way. 24
GO:0051219 phosphoprotein binding Interacting selectively and non-covalently with a phosphorylated protein. 23
GO:0031072 heat shock protein binding Interacting selectively and non-covalently with a heat shock protein, any protein synthesized or activated in response to heat shock. 23
GO:0045502 dynein binding Interacting selectively and non-covalently with dynein, the multisubunit protein complex that is associated with microtubules. 23
GO:0032550 purine ribonucleoside binding Interacting selectively and non-covalently with a purine ribonucleoside, a compound consisting of a purine base linked to ribose. 23
GO:0004872 receptor activity Combining with an extracellular or intracellular messenger to initiate a change in cell activity. 23
GO:1901363 heterocyclic compound binding Interacting selectively and non-covalently with heterocyclic compound. 23
GO:0071889 14-3-3 protein binding Interacting selectively and non-covalently with a 14-3-3 protein. A 14-3-3 protein is any of a large family of approximately 30kDa acidic proteins which exist primarily as homo- and heterodimers within all eukaryotic cells, and have been implicated in the modulation of distinct biological processes by binding to specific phosphorylated sites on diverse target proteins, thereby forcing conformational changes or influencing interactions between their targets and other molecules. Each 14-3-3 protein sequence can be roughly divided into three sections: a divergent amino terminus, the conserved core region and a divergent carboxyl terminus. The conserved middle core region of the 14-3-3s encodes an amphipathic groove that forms the main functional domain, a cradle for interacting with client proteins. 22
GO:0070410 co-SMAD binding Interacting selectively and non-covalently with a common mediator SMAD signaling protein. 22
GO:0004091 carboxylesterase activity Catalysis of the reaction: a carboxylic ester + H2O = an alcohol + a carboxylic anion. 22
GO:0051537 2 iron, 2 sulfur cluster binding Interacting selectively and non-covalently with a 2 iron, 2 sulfur (2Fe-2S) cluster; this cluster consists of two iron atoms, with two inorganic sulfur atoms found between the irons and acting as bridging ligands. 21
GO:0030246 carbohydrate binding Interacting selectively and non-covalently with any carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates. 21
GO:0002039 p53 binding Interacting selectively and non-covalently with one of the p53 family of proteins. 21
GO:0046875 ephrin receptor binding Interacting selectively and non-covalently with an ephrin receptor. 21
GO:0043548 phosphatidylinositol 3-kinase binding Interacting selectively and non-covalently with a phosphatidylinositol 3-kinase, any enzyme that catalyzes the addition of a phosphate group to an inositol lipid at the 3' position of the inositol ring. 20
GO:0030742 GTP-dependent protein binding Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules) using energy from the hydrolysis of GTP. 20
GO:0050839 cell adhesion molecule binding Interacting selectively and non-covalently with a cell adhesion molecule. 19
GO:0050681 androgen receptor binding Interacting selectively and non-covalently with an androgen receptor. 19
GO:0005178 integrin binding Interacting selectively and non-covalently with an integrin. 19
GO:0005518 collagen binding Interacting selectively and non-covalently with collagen, a group of fibrous proteins of very high tensile strength that form the main component of connective tissue in animals. Collagen is highly enriched in glycine (some regions are 33% glycine) and proline, occurring predominantly as 3-hydroxyproline (about 20%). 19
GO:0032795 heterotrimeric G-protein binding Interacting selectively and non-covalently with a heterotrimeric G-protein. 19
GO:0044183 protein binding involved in protein folding Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules) that contributes to the process of protein folding. 19
GO:0030332 cyclin binding Interacting selectively and non-covalently with cyclins, proteins whose levels in a cell varies markedly during the cell cycle, rising steadily until mitosis, then falling abruptly to zero. As cyclins reach a threshold level, they are thought to drive cells into G2 phase and thus to mitosis. 18
GO:0016740 transferase activity Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2. 18
GO:0005215 transporter activity Enables the directed movement of substances (such as macromolecules, small molecules, ions) into, out of or within a cell, or between cells. 18
GO:0051379 epinephrine binding Interacting selectively and non-covalently with epinephrine, a hormone produced by the medulla of the adrenal glands that increases heart activity, improves the power and prolongs the action of muscles, and increases the rate and depth of breathing. It is synthesized by the methylation of norepinephrine. 18
GO:0017046 peptide hormone binding Interacting selectively and non-covalently with any peptide with hormonal activity in animals. 18
GO:0016018 cyclosporin A binding Interacting selectively and non-covalently with cyclosporin A, a cyclic undecapeptide that contains several N-methylated and unusual amino acids. 17
GO:0046332 SMAD binding Interacting selectively and non-covalently with a SMAD signaling protein. 17
GO:0017080 sodium channel regulator activity Modulates the activity of a sodium channel. 17
GO:0004221 ubiquitin thiolesterase activity Catalysis of the reaction: ubiquitin C-terminal thiolester + H2O = ubiquitin + a thiol. Hydrolysis of esters, including those formed between thiols such as dithiothreitol or glutathione and the C-terminal glycine residue of the polypeptide ubiquitin, and AMP-ubiquitin. 17
GO:0050662 coenzyme binding Interacting selectively and non-covalently with a coenzyme, any of various nonprotein organic cofactors that are required, in addition to an enzyme and a substrate, for an enzymatic reaction to proceed. 16
GO:0022892 substrate-specific transporter activity Enables the directed movement of a specific substance or group of related substances (such as macromolecules, small molecules, ions) into, out of or within a cell, or between cells. 16
GO:0031369 translation initiation factor binding Interacting selectively and non-covalently with a translation initiation factor, any polypeptide factor involved in the initiation of ribosome-mediated translation. 16
GO:0035255 ionotropic glutamate receptor binding Interacting selectively and non-covalently with an ionotropic glutamate receptor. Ionotropic glutamate receptors bind glutamate and exert an effect through the regulation of ion channels. 16
GO:0004806 triglyceride lipase activity Catalysis of the reaction: triacylglycerol + H2O = diacylglycerol + a fatty acid anion. 16
GO:0042169 SH2 domain binding Interacting selectively and non-covalently with a SH2 domain (Src homology 2) of a protein, a protein domain of about 100 amino-acid residues and belonging to the alpha + beta domain class. 15
GO:0005536 glucose binding Interacting selectively and non-covalently with the D- or L-enantiomer of glucose. 15
GO:0017147 Wnt-protein binding Interacting selectively and non-covalently with Wnt-protein, a secreted growth factor involved in signaling. 15
GO:0032559 adenyl ribonucleotide binding Interacting selectively and non-covalently with an adenyl ribonucleotide, any compound consisting of adenosine esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose moiety. 15
GO:0016301 kinase activity Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule. 15
GO:0030544 Hsp70 protein binding Interacting selectively and non-covalently with Hsp70 proteins, any of a group of heat shock proteins around 70kDa in size. 15
GO:0005125 cytokine activity Functions to control the survival, growth, differentiation and effector function of tissues and cells. 14
GO:0071813 lipoprotein particle binding Interacting selectively and non-covalently with a lipoprotein particle. A lipoprotein particle, also known as a lipoprotein, is a clathrate complex consisting of a lipid enwrapped in a protein host without covalent binding in such a way that the complex has a hydrophilic outer surface consisting of all the protein and the polar ends of any phospholipids. 14
GO:0017111 nucleoside-triphosphatase activity Catalysis of the reaction: a nucleoside triphosphate + H2O = nucleoside diphosphate + phosphate. 14
GO:0052689 carboxylic ester hydrolase activity Catalysis of the hydrolysis of a carboxylic ester to give an alcohol and a carboxylate. 14
GO:0015459 potassium channel regulator activity Modulates the activity of a potassium channel. 14
GO:0031491 nucleosome binding Interacting selectively and non-covalently with a nucleosome, a complex comprised of DNA wound around a multisubunit core and associated proteins, which forms the primary packing unit of DNA into higher order structures. 14
GO:0004620 phospholipase activity Catalysis of the hydrolysis of a glycerophospholipid. 14
GO:0031997 N-terminal myristoylation domain binding Interacting selectively and non-covalently with the N-terminus of a protein that has the potential to be, or has been, modified by N-terminal myristoylation. Binding affinity is typically altered by myristoylation; for example, N-terminal myristoylation of HIV Nef increases its affinity for calmodulin. 14
GO:0008061 chitin binding Interacting selectively and non-covalently with chitin, a linear polysaccharide consisting of beta-(1->4)-linked N-acetyl-D-glucosamine residues. 13
GO:0019534 toxin transporter activity Enables the directed movement of a toxin into, out of or within a cell, or between cells. A toxin is a poisonous compound (typically a protein) that is produced by cells or organisms and that can cause disease when introduced into the body or tissues of an organism. 13
GO:0042562 hormone binding Interacting selectively and non-covalently with any hormone, naturally occurring substances secreted by specialized cells that affect the metabolism or behavior of other cells possessing functional receptors for the hormone. 13
GO:0051380 norepinephrine binding Interacting selectively and non-covalently with norepinephrine, (3,4-dihydroxyphenyl-2-aminoethanol), a hormone secreted by the adrenal medulla and a neurotransmitter in the sympathetic peripheral nervous system and in some tracts of the CNS. It is also the biosynthetic precursor of epinephrine. 13
GO:0070742 C2H2 zinc finger domain binding Interacting selectively and non-covalently with a C2H2-type zinc finger domain of a protein. The C2H2 zinc finger is the classical zinc finger domain, in which two conserved cysteines and histidines co-ordinate a zinc ion. 13
GO:0030228 lipoprotein particle receptor activity Combining with a lipoprotein particle and delivering the lipoprotein particle into the cell via endocytosis. A lipoprotein particle, also known as a lipoprotein, is a clathrate complex consisting of a lipid enwrapped in a protein host without covalent binding in such a way that the complex has a hydrophilic outer surface consisting of all the protein and the polar ends of any phospholipids. 12
GO:0070412 R-SMAD binding Interacting selectively and non-covalently with a receptor-regulated SMAD signaling protein. 12
GO:0000988 protein binding transcription factor activity Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules), in order to modulate transcription. A protein binding transcription factor may or may not also interact with the template nucleic acid (either DNA or RNA) as well. 12
GO:0003774 motor activity Catalysis of movement along a polymeric molecule such as a microfilament or microtubule, coupled to the hydrolysis of a nucleoside triphosphate. 12
GO:0001784 phosphotyrosine binding Interacting selectively and non-covalently with a phosphorylated tyrosine residue within a protein. 12
GO:0005548 phospholipid transporter activity Enables the directed movement of phospholipids into, out of or within a cell, or between cells. Phospholipids are a class of lipids containing phosphoric acid as a mono- or diester. 12
GO:0048029 monosaccharide binding Interacting selectively and non-covalently with any monosaccharide. Monosaccharides are the simplest carbohydrates; they are polyhydroxy aldehydes H[CH(OH)]nC(=O)H or polyhydroxy ketones H[CHOH]nC(=O)[CHOH]mH with three or more carbon atoms. They form the constitutional repeating units of oligo- and polysaccharides. 12
GO:0050750 low-density lipoprotein particle receptor binding Interacting selectively and non-covalently with a low-density lipoprotein receptor. 12
GO:0048039 ubiquinone binding Interacting selectively and non-covalently with ubiquinone, a quinone derivative with a tail of isoprene units. 12
GO:0030971 receptor tyrosine kinase binding Interacting selectively and non-covalently with a receptor that possesses protein tyrosine kinase activity. 11
GO:0045182 translation regulator activity Any molecular function involved in the initiation, activation, perpetuation, repression or termination of polypeptide synthesis at the ribosome. 11
GO:0005158 insulin receptor binding Interacting selectively and non-covalently with the insulin receptor. 11
GO:0043125 ErbB-3 class receptor binding Interacting selectively and non-covalently with the protein-tyrosine kinase receptor ErbB-3/HER3. 11
GO:0000900 translation repressor activity, nucleic acid binding Antagonizes the ribosome-mediated translation of mRNA into a polypeptide via direct binding (through a selective and non-covalent interaction) to nucleic acid. 11
GO:0030275 LRR domain binding Interacting selectively and non-covalently with a LRR domain (leucine rich repeats) of a protein. 11
GO:0005041 low-density lipoprotein receptor activity Combining with a low-density lipoprotein particle and delivering the low-density lipoprotein into the cell via endocytosis. 11
GO:0070628 proteasome binding Interacting selectively and non-covalently with a proteasome, a large multisubunit protein complex that catalyzes protein degradation. 10
GO:0097110 scaffold protein binding Interacting selectively and non-covalently with a scaffold protein. Scaffold proteins are crucial regulators of many key signaling pathways. Although not strictly defined in function, they are known to interact and/or bind with multiple members of a signaling pathway, tethering them into complexes. 10
GO:0005112 Notch binding Interacting selectively and non-covalently with the Notch (N) protein, a surface receptor. 10
GO:0016290 palmitoyl-CoA hydrolase activity Catalysis of the reaction: palmitoyl-CoA + H2O = CoA + palmitate. 10
GO:0022857 transmembrane transporter activity Enables the transfer of a substance from one side of a membrane to the other. 10
GO:0048406 nerve growth factor binding Interacting selectively and non-covalently with nerve growth factor (NGF). 10
GO:0030229 very-low-density lipoprotein particle receptor activity Combining with a very-low-density lipoprotein particle and delivering the very-low-density lipoprotein into the cell via endocytosis. 10
GO:0017127 cholesterol transporter activity Enables the directed movement of cholesterol into, out of or within a cell, or between cells. Cholesterol is the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones. 10
GO:0043236 laminin binding Interacting selectively and non-covalently with laminins, glycoproteins that are major constituents of the basement membrane of cells. 10
GO:0031762 follicle-stimulating hormone receptor binding Interacting selectively and non-covalently with a follicle-stimulating hormone receptor. 10
GO:0033130 acetylcholine receptor binding Interacting selectively and non-covalently with an acetylcholine receptor. 10
GO:0045296 cadherin binding Interacting selectively and non-covalently with cadherin, a type I membrane protein involved in cell adhesion. 10
GO:0035259 glucocorticoid receptor binding Interacting selectively and non-covalently with a glucocorticoid receptor. 10
GO:0032451 demethylase activity Catalysis of the removal of a methyl group from a substrate. 10
GO:0005522 profilin binding Interacting selectively and non-covalently with profilin, an actin-binding protein that forms a complex with G-actin and prevents it from polymerizing to form F-actin. 10
GO:0015643 toxic substance binding Interacting selectively and non-covalently with a toxic substance, a poisonous substance that causes damage to biological systems. 10
GO:0008168 methyltransferase activity Catalysis of the transfer of a methyl group to an acceptor molecule. 10
GO:0001540 beta-amyloid binding Interacting selectively and non-covalently with beta-amyloid peptide/protein and/or its precursor. 9
GO:0019838 growth factor binding Interacting selectively and non-covalently with any growth factor, proteins or polypeptides that stimulate a cell or organism to grow or proliferate. 9
GO:0016853 isomerase activity Catalysis of the geometric or structural changes within one molecule. Isomerase is the systematic name for any enzyme of EC class 5. 9
GO:0005159 insulin-like growth factor receptor binding Interacting selectively and non-covalently with the insulin-like growth factor receptor. 9
GO:0031755 Edg-2 lysophosphatidic acid receptor binding Interacting selectively and non-covalently with an Edg-2 lysophosphatidic acid receptor. 9
GO:0030985 high molecular weight kininogen binding Interacting selectively and non-covalently with a kininogen of high molecular mass. 9
GO:1901681 sulfur compound binding Interacting selectively and non-covalently with a sulfur compound. 9
GO:0034237 protein kinase A regulatory subunit binding Interacting selectively and non-covalently with one or both of the regulatory subunits of protein kinase A. 9
GO:0043273 CTPase activity Catalysis of the reaction: CTP + H2O = CDP + phosphate. May or may not be coupled to another reaction. 9
GO:0005176 ErbB-2 class receptor binding Interacting selectively and non-covalently with the protein-tyrosine kinase receptor Neu/ErbB-2/HER2. 9
GO:0000149 SNARE binding Interacting selectively and non-covalently with a SNARE (soluble N-ethylmaleimide-sensitive factor attached protein receptor) protein. 9
GO:0005154 epidermal growth factor receptor binding Interacting selectively and non-covalently with the epidermal growth factor receptor. 9
GO:0017075 syntaxin-1 binding Interacting selectively and non-covalently with the SNAP receptor syntaxin-1. 9
GO:0004622 lysophospholipase activity Catalysis of the reaction: 2-lysophosphatidylcholine + H2O = glycerophosphocholine + a carboxylate. 9
GO:0016247 channel regulator activity Modulates the activity of a channel. A channel catalyzes energy-independent facilitated diffusion, mediated by passage of a solute through a transmembrane aqueous pore or channel. 9
GO:0008494 translation activator activity Any of a group of soluble proteins functioning in the activation of ribosome-mediated translation of mRNA into a polypeptide. 9
GO:0030549 acetylcholine receptor activator activity Interacting (directly or indirectly) with acetylcholine receptors such that the proportion of receptors in the active form is increased. 9
GO:0042165 neurotransmitter binding Interacting selectively and non-covalently with a neurotransmitter, any chemical substance that is capable of transmitting (or inhibiting the transmission of) a nerve impulse from a neuron to another cell. 8
GO:0017134 fibroblast growth factor binding Interacting selectively and non-covalently with a fibroblast growth factor. 8
GO:0016922 ligand-dependent nuclear receptor binding Interacting selectively and non-covalently, in a ligand dependent manner, with a nuclear receptor protein. 8
GO:0008146 sulfotransferase activity Catalysis of the transfer of a sulfate group from 3'-phosphoadenosine 5'-phosphosulfate to the hydroxyl group of an acceptor, producing the sulfated derivative and 3'-phosphoadenosine 5'-phosphate. 8
GO:0001968 fibronectin binding Interacting selectively and non-covalently with a fibronectin, a group of related adhesive glycoproteins of high molecular weight found on the surface of animal cells, connective tissue matrices, and in extracellular fluids. 8
GO:0030911 TPR domain binding Interacting selectively and non-covalently with a tetratricopeptide repeat (TPR) domain of a protein, the consensus sequence of which is defined by a pattern of small and large hydrophobic amino acids and a structure composed of helices. 8
GO:0019825 oxygen binding Interacting selectively and non-covalently with oxygen (O2). 8
GO:0005109 frizzled binding Interacting selectively and non-covalently with the frizzled (fz) receptor. 8
GO:0045545 syndecan binding Interacting selectively and non-covalently with syndecan, an integral membrane proteoglycan (250-300 kDa) associated largely with epithelial cells. 7
GO:0000035 acyl binding Interacting selectively and non-covalently with an acyl group, any group formally derived by removal of the hydroxyl group from the acid function of a carboxylic acid. 7
GO:0004435 phosphatidylinositol phospholipase C activity Catalysis of the reaction: 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate + H(2)O = 1,2-diacylglycerol + 1D-myo-inositol 1,4,5-trisphosphate + H(+). 7
GO:0017098 sulfonylurea receptor binding Interacting selectively and non-covalently with the sulfonylurea receptor, a regulatory subunit of the ATP-sensitive potassium ion channel. 7
GO:0016936 galactoside binding Interacting selectively and non-covalently with any glycoside in which the sugar group is galactose. 7
GO:0032555 purine ribonucleotide binding Interacting selectively and non-covalently with a purine ribonucleotide, any compound consisting of a purine ribonucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose moiety. 7
GO:0001965 G-protein alpha-subunit binding Interacting selectively and non-covalently with a G-protein alpha subunit. The alpha subunit binds a guanine nucleotide. 7
GO:0051018 protein kinase A binding Interacting selectively and non-covalently with any subunit of protein kinase A. 7
GO:0070324 thyroid hormone binding Interacting selectively and non-covalently with thyroxine (T4) or triiodothyronine (T3), tyrosine-based hormones produced by the thyroid gland. 7
GO:0016791 phosphatase activity Catalysis of the hydrolysis of phosphoric monoesters, releasing inorganic phosphate. 7
GO:0043522 leucine zipper domain binding Interacting selectively and non-covalently with a leucine zipper domain, a protein secondary structure exhibiting a periodic repetition of leucine residues at every seventh position over a distance covering eight helical turns. 7
GO:0019239 deaminase activity Catalysis of the removal of an amino group from a substrate, producing ammonia (NH3). 7
GO:0004518 nuclease activity Catalysis of the hydrolysis of ester linkages within nucleic acids. 7
GO:0045505 dynein intermediate chain binding Interacting selectively and non-covalently with an intermediate chain of the dynein complex. 7
GO:0070061 fructose binding Interacting selectively and non-covalently with the D- or L-enantiomer of fructose, the ketohexose arabino-hex-2-ulose. 7
GO:0016209 antioxidant activity Inhibition of the reactions brought about by dioxygen (O2) or peroxides. Usually the antioxidant is effective because it can itself be more easily oxidized than the substance protected. The term is often applied to components that can trap free radicals, thereby breaking the chain reaction that normally leads to extensive biological damage. 7
GO:0050811 GABA receptor binding Interacting selectively and non-covalently with the gamma-aminobutyric acid (GABA, 4-aminobutyrate) receptor. 7
GO:0043495 protein anchor Interacting selectively and non-covalently with both a protein or protein complex and a membrane, in order to maintain the localization of the protein at a specific location on the membrane. 7
GO:0034191 apolipoprotein A-I receptor binding Interacting selectively and non-covalently with an apolipoprotein A-I receptor. 6
GO:0005539 glycosaminoglycan binding Interacting selectively and non-covalently with any glycan (polysaccharide) containing a substantial proportion of aminomonosaccharide residues. 6
GO:0016790 thiolester hydrolase activity Catalysis of the reaction: RCO-SR' + H2O = RCOOH + HSR'. This reaction is the hydrolysis of a thiolester bond, an ester formed from a carboxylic acid and a thiol (i.e., RCO-SR'), such as that found in acetyl-coenzyme A. 6
GO:0008200 ion channel inhibitor activity Stops, prevents, or reduces the activity of an ion channel. 6
GO:0008190 eukaryotic initiation factor 4E binding Interacting selectively and non-covalently with eukaryotic initiation factor 4E, a polypeptide factor involved in the initiation of ribosome-mediated translation. 6
GO:0004386 helicase activity Catalysis of the reaction: NTP + H2O = NDP + phosphate, to drive the unwinding of a DNA or RNA helix. 6
GO:0043559 insulin binding Interacting selectively and non-covalently with insulin, a polypeptide hormone produced by the islets of Langerhans of the pancreas in mammals, and by the homologous organs of other organisms. 6
GO:0036310 annealing helicase activity Catalysis of the ATP-dependent rewinding of single-stranded DNA (ssDNA) to reform base pairs between strands. Often acts on ssDNA bubbles bound by replication protein A (RPA). 6
GO:0019213 deacetylase activity Catalysis of the hydrolysis of an acetyl group or groups from a substrate molecule. 6
GO:0030977 taurine binding Interacting selectively and non-covalently with taurine. 6
GO:0031852 mu-type opioid receptor binding Interacting selectively and non-covalently with a mu-type opioid receptor. 6
GO:0004069 L-aspartate:2-oxoglutarate aminotransferase activity Catalysis of the reaction: L-aspartate + 2-oxoglutarate = oxaloacetate + L-glutamate. 6
GO:0004623 phospholipase A2 activity Catalysis of the reaction: phosphatidylcholine + H2O = 1-acylglycerophosphocholine + a carboxylate. 6
GO:0031800 type 3 metabotropic glutamate receptor binding Interacting selectively and non-covalently with a type 3 metabotropic glutamate receptor. 6
GO:0032427 GBD domain binding Interacting selectively and non-covalently with the GTPase protein binding domain (GDB) domain of a protein. The GBD is a short motif, including a minimum region of 16 amino acids, identified in proteins that bind to small GTPases such as Cdc42 and Rac. 6
GO:0019870 potassium channel inhibitor activity Stops, prevents, or reduces the activity of a potassium channel. 6
GO:0016298 lipase activity Catalysis of the hydrolysis of a lipid or phospholipid. 6
GO:0031826 type 2A serotonin receptor binding Interacting selectively and non-covalently with a type 2A serotonin receptor. 6
GO:0043024 ribosomal small subunit binding Interacting selectively and non-covalently with any part of the small ribosomal subunit. 6
GO:0070411 I-SMAD binding Interacting selectively and non-covalently with an inhibitory SMAD signaling protein. 6
GO:0070026 nitric oxide binding Interacting selectively and non-covalently with nitric oxide (NO). 6
GO:0043924 suramin binding Interacting selectively and non-covalently with suramin, a naphthalenesulfonic acid compound which is used in the treatment of diseases caused by trypanosomes and worms. 6
GO:0030984 kininogen binding Interacting selectively and non-covalently with a kininogen, any of a group of plasma proteins that are kinin precursors. 5
GO:0050733 RS domain binding Interacting selectively and non-covalently with an RS domain of a protein; RS domains are usually highly phosphorylated and characterized by the presence of arginine (R)/serine (S) dipeptides. The RS domain promotes protein-protein interactions and directs subcellular localization and, in certain situations, nucleocytoplasmic shuttling of individual SR proteins. They also play a role in splicing. 5
GO:0035605 peptidyl-cysteine S-nitrosylase activity Catalysis of the transfer of a nitric oxide (NO) group to a sulphur atom within a cysteine residue of a protein. 5
GO:0031702 type 1 angiotensin receptor binding Interacting selectively and non-covalently with a type 1 angiotensin receptor. 5
GO:0048185 activin binding Interacting selectively and non-covalently with activin, a dimer of inhibin-beta subunits. 5
GO:0016788 hydrolase activity, acting on ester bonds Catalysis of the hydrolysis of any ester bond. 5
GO:0051430 corticotropin-releasing hormone receptor 1 binding Interacting selectively and non-covalently with the corticotropin-releasing hormone receptor 1 (CRHR1). CRHR1 is the major subtype in the pituitary corticotroph, and mediates the stimulatory actions of corticotropin-releasing hormone on corticotropin hormone secretion. CRHR1 are also located in cortical areas of the brain, cerebellum and limbic system. 5
GO:0050431 transforming growth factor beta binding Interacting selectively and non-covalently with TGF-beta, transforming growth factor beta, a multifunctional peptide that controls proliferation, differentiation and other functions in many cell types. 5
GO:0048407 platelet-derived growth factor binding Interacting selectively and non-covalently with platelet-derived growth factor. 5
GO:0070064 proline-rich region binding Interacting selectively and non-covalently with a proline-rich region, i.e. a region that contains a high proportion of proline residues, in a protein. 5
GO:0046790 virion binding Interacting selectively and non-covalently with a virion, either by binding to components of the capsid or the viral envelope. 5
GO:0031370 eukaryotic initiation factor 4G binding Interacting selectively and non-covalently with eukaryotic initiation factor 4G, a polypeptide factor involved in the initiation of ribosome-mediated translation. 5
GO:0035257 nuclear hormone receptor binding Interacting selectively and non-covalently with a nuclear hormone receptor, a ligand-dependent receptor found in the nucleus of the cell. 5
GO:0034185 apolipoprotein binding Interacting selectively and non-covalently with an apolipoprotein, the protein component of a lipoprotein complex. 5
GO:0002058 uracil binding Interacting selectively and non-covalently with uracil. 5
GO:0019964 interferon-gamma binding Interacting selectively and non-covalently with interferon-gamma. Interferon-gamma is also known as type II interferon. 5
GO:0008083 growth factor activity The function that stimulates a cell to grow or proliferate. Most growth factors have other actions besides the induction of cell growth or proliferation. 5
GO:0008526 phosphatidylinositol transporter activity Enables the directed movement of phosphatidylinositol into, out of or within a cell, or between cells. Phosphatidylinositol refers to any glycophospholipids with its sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol. 5
GO:0016462 pyrophosphatase activity Catalysis of the hydrolysis of a pyrophosphate bond between two phosphate groups, leaving one phosphate on each of the two fragments. 5
GO:0008139 nuclear localization sequence binding Interacting selectively and non-covalently with a nuclear localization sequence, a specific peptide sequence that acts as a signal to localize the protein within the nucleus. 5
GO:0051538 3 iron, 4 sulfur cluster binding Interacting selectively and non-covalently with a 3 iron, 4 sulfur (3Fe-4S) cluster; this cluster consists of three iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands. It is essentially a 4Fe-4S cluster with one iron missing. 5
GO:0019781 NEDD8 activating enzyme activity Catalysis of the initiation of the NEDD8 (RUB1) conjugation cascade. 5
GO:0002046 opsin binding Interacting selectively and non-covalently with an opsin, any of a group of hydrophobic, integral membrane glycoproteins located primarily in the disc membrane of rods or cones, involved in photoreception. 5
GO:0001882 nucleoside binding Interacting selectively and non-covalently with a nucleoside, a compound consisting of a purine or pyrimidine nitrogenous base linked either to ribose or deoxyribose. 5
GO:0050816 phosphothreonine binding Interacting selectively and non-covalently with a phosphorylated threonine residue within a protein. 5
GO:0016829 lyase activity Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring. 5
GO:0004115 3',5'-cyclic-AMP phosphodiesterase activity Catalysis of the reaction: adenosine 3',5'-cyclic phosphate + H2O = adenosine 5'-phosphate. 5
GO:0035254 glutamate receptor binding Interacting selectively and non-covalently with a glutamate receptor. 5
GO:0019215 intermediate filament binding Interacting selectively and non-covalently with an intermediate filament, a distinct elongated structure, characteristically 10 nm in diameter, that occurs in the cytoplasm of higher eukaryotic cells. Intermediate filaments form a fibrous system, composed of chemically heterogeneous subunits and involved in mechanically integrating the various components of the cytoplasmic space. 5
GO:0005484 SNAP receptor activity Acting as a marker to identify a membrane and interacting selectively with one or more SNAREs on another membrane to mediate membrane fusion. 5
GO:0004771 sterol esterase activity Catalysis of the reaction: a steryl ester + H2O = a sterol + a fatty acid. 4
GO:0097016 L27 domain binding Interacting selectively and non-covalently with a L27 domain of a protein. L27 is composed of conserved negatively charged amino acids and a conserved aromatic amino acid. L27 domains can assemble proteins involved in signaling and establishment and maintenance of cell polarity into complexes by interacting in a heterodimeric manner. 4
GO:0042609 CD4 receptor binding Interacting selectively and non-covalently with a CD4, a receptor found on the surface of T cells, monocytes and macrophages. 4
GO:0050072 m7G(5')pppN diphosphatase activity Catalysis of the reaction: 7-methylguanosine 5'-triphospho-5'-polynucleotide + H2O = 7-methylguanosine 5'-phosphate + polynucleotide. 4
GO:0034186 apolipoprotein A-I binding Interacting selectively and non-covalently with apolipoprotein A-I. 4
GO:0005160 transforming growth factor beta receptor binding Interacting selectively and non-covalently with the transforming growth factor beta receptor. 4
GO:0034988 Fc-gamma receptor I complex binding Interacting selectively and non-covalently with one or more specific sites on the Fc-gamma receptor I complex. The complex functions primarily as an activating receptor for IgG. 4
GO:0051536 iron-sulfur cluster binding Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms. 4
GO:0019948 SUMO activating enzyme activity Catalysis of the activation of the proteolytically processed small ubiquitin-related modifier SUMO, through the formation of an ATP-dependent high-energy thiolester bond. 4
GO:0034713 type I transforming growth factor beta receptor binding Interacting selectively and non-covalently with a type I transforming growth factor beta receptor. 4
GO:0031208 POZ domain binding Interacting selectively and non-covalently with a POZ (poxvirus and zinc finger) domain of a protein, a protein-protein interaction domain found in many transcription factors. 4
GO:0005047 signal recognition particle binding Interacting selectively and non-covalently with the signal recognition particle. 4
GO:0005528 FK506 binding Interacting selectively and non-covalently with the immunosuppressant FK506. 4
GO:0050699 WW domain binding Interacting selectively and non-covalently with a WW domain of a protein, a small module composed of 40 amino acids and plays a role in mediating protein-protein interactions via proline-rich regions. 4
GO:0005113 patched binding Interacting selectively and non-covalently with the patched (ptc) protein, a receptor for hedgehog proteins. 4
GO:0030156 benzodiazepine receptor binding Interacting selectively and non-covalently with the peripheral benzodiazepine receptor (PBR). 4
GO:0002161 aminoacyl-tRNA editing activity The hydrolysis of an incorrectly aminoacylated tRNA. 4
GO:0005537 mannose binding Interacting selectively and non-covalently with mannose, a monosaccharide hexose, stereoisomeric with glucose, that occurs naturally only in polymerized forms called mannans. 4
GO:0044548 S100 protein binding Interacting selectively and non-covalently with a S100 protein. S100 is a small calcium and zinc binding protein produced in astrocytes that is implicated in Alzheimer's disease, Down Syndrome and ALS. 4
GO:0032549 ribonucleoside binding Interacting selectively and non-covalently with a ribonucleoside, a compound consisting of a purine or pyrimidine nitrogenous base linked to ribose. 4
GO:0042923 neuropeptide binding Interacting selectively and non-covalently and stoichiometrically with neuropeptides, peptides with direct synaptic effects (peptide neurotransmitters) or indirect modulatory effects on the nervous system (peptide neuromodulators). 4
GO:0043546 molybdopterin cofactor binding Interacting selectively and non-covalently with the molybdopterin cofactor (Moco), essential for the catalytic activity of some enzymes, e.g. sulfite oxidase, xanthine dehydrogenase, and aldehyde oxidase. The cofactor consists of a mononuclear molybdenum (Mo-molybdopterin) or tungsten ion (W-molybdopterin) coordinated by one or two molybdopterin ligands. 4
GO:0047627 adenylylsulfatase activity Catalysis of the reaction: 5'-adenylyl sulfate + H(2)O = AMP + 2 H(+) + sulfate. 4
GO:0043023 ribosomal large subunit binding Interacting selectively and non-covalently with any part of the larger ribosomal subunit. 4
GO:0043560 insulin receptor substrate binding Interacting selectively and non-covalently with any of the insulin receptor substrate (IRS) proteins, adaptor proteins that bind to the transphosphorylated insulin and insulin-like growth factor receptors, are themselves phosphorylated and in turn recruit SH2 domain-containing signaling molecules to form a productive signaling complex. 4
GO:0005324 long-chain fatty acid transporter activity Enables the directed movement of long-chain fatty acids into, out of or within a cell, or between cells. A long-chain fatty acid is a fatty acid with a chain length between C13 and C22. 4
GO:0019855 calcium channel inhibitor activity Stops, prevents, or reduces the activity of a calcium channel. 4
GO:0031681 G-protein beta-subunit binding Interacting selectively and non-covalently with a G-protein beta subunit. 4
GO:0030274 LIM domain binding Interacting selectively and non-covalently with a LIM domain (for Lin-11 Isl-1 Mec-3) of a protein, a domain with seven conserved cysteine residues and a histidine, that binds two zinc ions and acts as an interface for protein-protein interactions. 4
GO:0005110 frizzled-2 binding Interacting selectively and non-covalently with frizzled-2 (fz2). 4
GO:0004013 adenosylhomocysteinase activity Catalysis of the reaction: S-adenosyl-L-homocysteine + H2O = adenosine + L-homocysteine. 4
GO:0048019 receptor antagonist activity Interacts with receptors to reduce the action of another ligand, the agonist. 4
GO:0030371 translation repressor activity Antagonizes ribosome-mediated translation of mRNA into a polypeptide. 4
GO:0043237 laminin-1 binding Interacting selectively and non-covalently with laminin-1, a glycoprotein trimer with the subunit composition alpha1, beta1, gamma1. 4
GO:0030169 low-density lipoprotein particle binding Interacting selectively and non-covalently with a low-density lipoprotein particle, a lipoprotein particle that is rich in cholesterol esters and low in triglycerides, is typically composed of APOB100 and APOE, and has a density of 1.02-1.06 g/ml and a diameter of between 20-25 nm. 4
GO:0008483 transaminase activity Catalysis of the transfer of an amino group to an acceptor, usually a 2-oxo acid. 4
GO:0045499 chemorepellent activity Providing the environmental signal that initiates the directed movement of a motile cell or organism towards a lower concentration of that signal. 4
GO:0019871 sodium channel inhibitor activity Stops, prevents, or reduces the activity of a sodium channel. 4
GO:0030942 endoplasmic reticulum signal peptide binding Interacting selectively and non-covalently with an endoplasmic reticulum signal peptide, a specific peptide sequence that acts as a signal to localize the protein within the endoplasmic reticulum. 4
GO:0005115 receptor tyrosine kinase-like orphan receptor binding Interacting selectively and non-covalently with the receptor tyrosine kinase-like orphan receptor (Ror). 4
GO:0043176 amine binding Interacting selectively and non-covalently with any organic compound that is weakly basic in character and contains an amino or a substituted amino group. 4
GO:0050840 extracellular matrix binding Interacting selectively and non-covalently with a component of the extracellular matrix. 3
GO:0042610 CD8 receptor binding Interacting selectively and non-covalently with a CD8, a receptor found on the surface of thymocytes and cytotoxic and suppressor T-lymphocytes. 3
GO:0047801 L-cysteine:2-oxoglutarate aminotransferase activity Catalysis of the reaction: L-cysteine + 2-oxoglutarate = mercaptopyruvate + L-glutamate. 3
GO:0031531 thyrotropin-releasing hormone receptor binding Interacting selectively and non-covalently with a receptor for thyrotropin-releasing hormone, a tripeptide hormone that is produced by the hypothalamus and stimulates the release of thyroid-stimulating hormone (TSH) and prolactin by the anterior pituitary. 3
GO:0047498 calcium-dependent phospholipase A2 activity Catalysis of the reaction: phosphatidylcholine + H2O = 1-acylglycerophosphocholine + a carboxylate. This reaction requires Ca2+. 3
GO:0008081 phosphoric diester hydrolase activity Catalysis of the hydrolysis of a phosphodiester to give a phosphomonoester and a free hydroxyl group. 3
GO:0031386 protein tag Acting as an indicator or marker to facilitate recognition by other molecules in the cell. Recognition of the tag, which can be covalently attached to the target molecule, may result in modification, sequestration, transport or degradation of the molecule in question. 3
GO:0004118 cGMP-stimulated cyclic-nucleotide phosphodiesterase activity Catalysis of the reaction: nucleoside 3',5'-cyclic phosphate + H2O = nucleoside 5'-phosphate; catalytic activity is increased in the presence of cGMP. 3
GO:0032093 SAM domain binding Interacting selectively and non-covalently with a SAM (Sterile Alpha Motif) domain, which is a 70-amino acid protein sequence that participates in protein-protein, protein-lipid, and protein-RNA interactions and is conserved from lower to higher eukaryotes. 3
GO:0002060 purine nucleobase binding Interacting selectively and non-covalently with a purine nucleobase, an organic nitrogenous base with a purine skeleton. 3
GO:0051021 GDP-dissociation inhibitor binding Interacting selectively and non-covalently with a GDP-dissociation inhibitor protein. 3
GO:0033222 xylose binding Interacting selectively and non-covalently with the D- or L-enantiomer of xylose. 3
GO:0042608 T cell receptor binding Interacting selectively and non-covalently with a T cell receptor, the antigen-recognizing receptor on the surface of T cells. 3
GO:0018773 acetylpyruvate hydrolase activity Catalysis of the reaction: acetylpyruvate + H(2)O = acetate + H(+) + pyruvate. 3
GO:0004070 aspartate carbamoyltransferase activity Catalysis of the reaction: L-aspartate + carbamoyl phosphate = N-carbamoyl-L-aspartate + H(+) + phosphate. 3
GO:0048018 receptor agonist activity Interacts with receptors such that the proportion of receptors in the active form is increased. 3
GO:0036094 small molecule binding Interacting selectively and non-covalently with a small molecule, any low molecular weight, monomeric, non-encoded molecule. 3
GO:0008430 selenium binding Interacting selectively and non-covalently with selenium (Se). 3
GO:0030546 receptor activator activity The function of interacting (directly or indirectly) with receptors such that the proportion of receptors in the active form is increased. 3
GO:0097163 sulfur carrier activity Enables the directed movement of sulfur into, out of or within a cell, or between cells. 3
GO:0004801 sedoheptulose-7-phosphate:D-glyceraldehyde-3-phosphate glyceronetransferase activity Catalysis of the reaction: sedoheptulose 7-phosphate + D-glyceraldehyde 3-phosphate = D-erythrose 4-phosphate + D-fructose 6-phosphate. 3
GO:0070700 BMP receptor binding Interacting selectively and non-covalently with a BMP receptor. 3
GO:0031701 angiotensin receptor binding Interacting selectively and non-covalently with an angiotensin receptor. 3
GO:0070851 growth factor receptor binding Interacting selectively and non-covalently with a growth factor receptor. 3
GO:0038100 nodal binding Interacting selectively and non-covalently with a nodal protein, a member of the transforming growth factor-beta superfamily. 3
GO:0051724 NAD transporter activity Enables the directed movement of nicotinamide adenine dinucleotide into, out of or within a cell, or between cells; transport may be of either the oxidized form, NAD, or the reduced form, NADH. 3
GO:0005168 neurotrophin TRKA receptor binding Interacting selectively and non-covalently with the neurotrophin TRKA receptor. 3
GO:0071535 RING-like zinc finger domain binding Interacting selectively and non-covalently with a RING-like zinc finger domain domain of a protein. The RING-like domain is a zinc finger domain that is related to the C3HC4 RING finger domain. 3
GO:0031748 D1 dopamine receptor binding Interacting selectively and non-covalently with a D1 dopamine receptor. 3
GO:1901338 catecholamine binding Interacting selectively and non-covalently with catecholamine. 3
GO:0031692 alpha-1B adrenergic receptor binding Interacting selectively and non-covalently with an alpha-1B adrenergic receptor. 3
GO:0047894 flavonol 3-sulfotransferase activity Catalysis of the reaction: 3'-phospho-5'-adenylyl sulfate + quercetin = adenosine 3',5'-diphosphate + H(+) + quercetin 3-sulfate. 3
GO:0045155 electron transporter, transferring electrons from CoQH2-cytochrome c reductase complex and cytochrome c oxidase complex activity Enables the directed movement of electrons from the CoQH2-cytochrome c reductase complex and the cytochrome c oxidase complex. 3
GO:0031698 beta-2 adrenergic receptor binding Interacting selectively and non-covalently with a beta-2 adrenergic receptor. 3
GO:0003923 GPI-anchor transamidase activity Catalysis of the formation of the linkage between a protein and a glycosylphosphatidylinositol anchor. The reaction probably occurs by subjecting a peptide bond to nucleophilic attack by the amino group of ethanolamine-GPI, transferring the protein from a signal peptide to the GPI anchor. 3
GO:0005126 cytokine receptor binding Interacting selectively and non-covalently with a cytokine receptor. 3
GO:0043178 alcohol binding Interacting selectively and non-covalently with an alcohol, any of a class of alkyl compounds containing a hydroxyl group. 3
GO:0005179 hormone activity The action characteristic of a hormone, any substance formed in very small amounts in one specialized organ or group of cells and carried (sometimes in the bloodstream) to another organ or group of cells in the same organism, upon which it has a specific regulatory action. The term was originally applied to agents with a stimulatory physiological action in vertebrate animals (as opposed to a chalone, which has a depressant action). Usage is now extended to regulatory compounds in lower animals and plants, and to synthetic substances having comparable effects; all bind receptors and trigger some biological process. 3
GO:0031711 bradykinin receptor binding Interacting selectively and non-covalently with a bradykinin receptor. 3
GO:0008084 imaginal disc growth factor receptor binding Interacting selectively and non-covalently with an imaginal disc growth factor receptor. 3
GO:0071987 WD40-repeat domain binding Interacting selectively and non-covalently with a WD40 repeat domain of a protein. The WD40 repeat is a short structural motif of approximately 40 amino acids, often terminating in a tryptophan-aspartic acid (W-D) dipeptide. Several of these repeats are combined to form a type of protein domain called the WD domain. 3
GO:0042056 chemoattractant activity Providing the environmental signal that initiates the directed movement of a motile cell or organism towards a higher concentration of that signal. 3
GO:0031682 G-protein gamma-subunit binding Interacting selectively and non-covalently with a G-protein gamma subunit. 3
GO:0008484 sulfuric ester hydrolase activity Catalysis of the reaction: RSO-R' + H2O = RSOOH + R'H. This reaction is the hydrolysis of any sulfuric ester bond, any ester formed from sulfuric acid, O=SO(OH)2. 3
GO:0031821 G-protein coupled serotonin receptor binding Interacting selectively and non-covalently with a metabotropic serotonin receptor. 3
GO:0035612 AP-2 adaptor complex binding Interacting selectively and non-covalently with the AP-2 adaptor complex. The AP-2 adaptor complex is a heterotetrameric AP-type membrane coat adaptor complex that consists of alpha, beta2, mu2 and sigma2 subunits and links clathrin to the membrane surface of a vesicle. In at least humans, the AP-2 complex can be heterogeneric due to the existence of multiple subunit isoforms encoded by different alpha genes (alphaA and alphaC). 3
GO:0030554 adenyl nucleotide binding Interacting selectively and non-covalently with adenyl nucleotides, any compound consisting of adenosine esterified with (ortho)phosphate. 3
GO:0034545 fumarylpyruvate hydrolase activity Catalysis of the reaction: fumarylpyruvate + H2O = fumarate + pyruvate + H+. 3
GO:0070016 armadillo repeat domain binding Interacting selectively and non-covalently with the armadillo repeat domain of a protein, an approximately 40 amino acid long tandemly repeated sequence motif first identified in the Drosophila segment polarity protein armadillo. Arm-repeat proteins are involved in various processes, including intracellular signalling and cytoskeletal regulation. 3
GO:0042043 neurexin family protein binding Interacting selectively and non-covalently with neurexins, synaptic cell surface proteins related to latrotoxin receptor, laminin and agrin. Neurexins act as cell recognition molecules at nerve terminals. 3
GO:0032405 MutLalpha complex binding Interacting selectively and non-covalently with the mismatch repair complex MutLalpha. 3
GO:0001664 G-protein coupled receptor binding Interacting selectively and non-covalently with a G-protein coupled receptor. 3
GO:0034617 tetrahydrobiopterin binding Interacting selectively and non-covalently with a tetrahydrobiopterin, 5,6,7,8-tetrahydrobiopterin or a derivative thereof; tetrahydrobiopterins are enzyme cofactors that carry electrons in redox reactions. 3
GO:0042806 fucose binding Interacting selectively and non-covalently with fucose, the pentose 6-deoxygalactose. 3
GO:0005521 lamin binding Interacting selectively and non-covalently with lamin; any of a group of intermediate-filament proteins that form the fibrous matrix on the inner surface of the nuclear envelope. 3
GO:0050253 retinyl-palmitate esterase activity Catalysis of the reaction: retinyl palmitate + H2O = retinol + palmitate + H+. 3
GO:0034711 inhibin binding Interacting selectively and non-covalently with an inhibin monomer, any of the polypeptides that combine to form activin and inhibin dimers. 3
GO:0031994 insulin-like growth factor I binding Interacting selectively and non-covalently with insulin-like growth factor I. 3
GO:0042910 xenobiotic transporter activity Enables the directed movement of a xenobiotic, a compound foreign to living organisms, into, out of or within a cell, or between cells. 3
GO:0031694 alpha-2A adrenergic receptor binding Interacting selectively and non-covalently with an alpha-2A adrenergic receptor. 3
GO:0019842 vitamin binding Interacting selectively and non-covalently with a vitamin, one of a number of unrelated organic substances that occur in many foods in small amounts and that are necessary in trace amounts for the normal metabolic functioning of the body. 3
GO:0016746 transferase activity, transferring acyl groups Catalysis of the transfer of an acyl group from one compound (donor) to another (acceptor). 3
GO:0048101 calcium- and calmodulin-regulated 3',5'-cyclic-GMP phosphodiesterase activity Catalysis of the reaction: guanosine 3',5'-cyclic phosphate + H2O = guanosine 5'-phosphate. The reaction is calmodulin and calcium-sensitive. 3
GO:0004170 dUTP diphosphatase activity Catalysis of the reaction: dUTP + H2O = dUMP + diphosphate. 3
GO:0031071 cysteine desulfurase activity Catalysis of the reaction: L-cysteine + [enzyme]-cysteine = L-alanine + [enzyme]-S-sulfanylcysteine. 3
GO:0017095 heparan sulfate 6-O-sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + heparan sulfate = adenosine 3',5'-bisphosphate + heparan sulfate 6-O-sulfate; results in 6-O-sulfation of glucosamine residues in heparan sulfate. 3
GO:0004114 3',5'-cyclic-nucleotide phosphodiesterase activity Catalysis of the reaction: nucleoside 3',5'-cyclic phosphate + H2O = nucleoside 5'-phosphate. 2
GO:0035651 AP-3 adaptor complex binding Interacting selectively and non-covalently with the AP-3 adaptor complex. The AP-3 adaptor complex is a heterotetrameric AP-type membrane coat adaptor complex that consists of beta3, delta, mu3 and sigma3 subunits and is found associated with endosomal membranes. In at least humans, the AP-3 complex can be heterogeneric due to the existence of multiple subunit isoforms encoded by different genes (beta3A and beta3B, mu3A and mu3B, and sigma3A and sigma3B). 2
GO:0016783 sulfurtransferase activity Catalysis of the transfer of sulfur atoms from one compound (donor) to another (acceptor). 2
GO:0033854 glutamate-prephenate aminotransferase activity Catalysis of the reaction: 2-oxoglutarate + L-arogenate = L-glutamate + prephenate. 2
GO:0031849 olfactory receptor binding Interacting selectively and non-covalently with an olfactory receptor. 2
GO:0032561 guanyl ribonucleotide binding Interacting selectively and non-covalently with a guanyl ribonucleotide, any compound consisting of guanosine esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose moiety. 2
GO:0005046 KDEL sequence binding Interacting selectively and non-covalently with a KDEL sequence, the C terminus tetrapeptide sequence Lys-Asp-Glu-Leu found in proteins that are to be retained in the endoplasmic reticulum. 2
GO:0002059 thymine binding Interacting selectively and non-covalently with thymine. 2
GO:0050786 RAGE receptor binding Interacting selectively and non-covalently with the RAGE receptor, the receptor for advanced glycation end-products. 2
GO:0032454 histone demethylase activity (H3-K9 specific) Catalysis of the reaction: histone H3 N6-methyl-L-lysine (position 9) + alpha-ketoglutarate + O2 = succinate + CO2 + formaldehyde + lysine. This reaction is the removal of a methyl group from lysine at position 9 of the histone H3 protein. 2
GO:0004117 calmodulin-dependent cyclic-nucleotide phosphodiesterase activity Catalysis of the reaction: nucleoside 3',5'-cyclic phosphate + H2O = nucleoside 5'-phosphate; catalytic activity is regulated by calmodulin. 2
GO:0031964 beta-alanyl-histamine hydrolase activity Catalysis of the reaction: N-beta-alanyl histamine + H2O = histamine + beta-alanine. 2
GO:0015245 fatty acid transporter activity Enables the directed movement of fatty acids into, out of or within a cell, or between cells. Fatty acids are aliphatic monocarboxylic acids liberated from naturally occurring fats and oils by hydrolysis. 2
GO:0004301 epoxide hydrolase activity Catalysis of the reaction: an epoxide + H2O = a glycol. 2
GO:0045294 alpha-catenin binding Interacting selectively and non-covalently with the alpha subunit of the catenin complex. 2
GO:0060090 binding, bridging The binding activity of a molecule that brings together two or more molecules through a selective, non-covalent, often stoichiometric interaction, permitting those molecules to function in a coordinated way. 2
GO:0008828 dATP pyrophosphohydrolase activity Catalysis of the reaction: deoxy-ATP + H2O = dAMP + diphosphate. 2
GO:0002162 dystroglycan binding Interacting selectively and non-covalently with dystroglycan. Dystroglycan is glycoprotein found in non-muscle tissues as well as in muscle tissues, often in association with dystrophin. The native dystroglycan cleaved into two non-covalently associated subunits, alpha (N-terminal) and beta (C-terminal). 2
GO:0051184 cofactor transporter activity Enables the directed movement of a cofactor into, out of or within a cell, or between cells. A cofactor is a substance that is required for the activity of an enzyme or other protein. 2
GO:0031691 alpha-1A adrenergic receptor binding Interacting selectively and non-covalently with an alpha-1A adrenergic receptor. 2
GO:0008449 N-acetylglucosamine-6-sulfatase activity Catalysis of the hydrolysis of the 6-sulfate group of the N-acetyl-D-glucosamine 6-sulfate units of heparan sulfate and keratan sulfate. 2
GO:0036217 dGTP diphosphatase activity Catalysis of the reaction: dGTP + H2O = dGMP + diphosphate. 2
GO:0047364 desulfoglucosinolate sulfotransferase activity Catalysis of the reaction: 3'-phospho-5'-adenylyl sulfate + desulfoglucotropeolin = adenosine 3',5'-diphosphate + glucotropeolin + H(+). 2
GO:0036033 mediator complex binding Interacting selectively and non-covalently with a mediator complex. The mediator complex is a protein complex that interacts with the carboxy-terminal domain of the largest subunit of RNA polymerase II and plays an active role in transducing the signal from a transcription factor to the transcriptional machinery. The Saccharomyces complex contains several identifiable subcomplexes: a head domain comprising Srb2, -4, and -5, Med6, -8, and -11, and Rox3 proteins; a middle domain comprising Med1, -4, and -7, Nut1 and -2, Cse2, Rgr1, Soh1, and Srb7 proteins; a tail consisting of Gal11p, Med2p, Pgd1p, and Sin4p; and a regulatory subcomplex comprising Ssn2, -3, and -8, and Srb8 proteins. Metazoan mediator complexes have similar modular structures and include homologs of yeast Srb and Med proteins. 2
GO:0005483 soluble NSF attachment protein activity Interacting selectively and non-covalently with both N-ethylmaleimide-sensitive fusion protein (NSF) and a cis-SNARE complex (i.e. a SNARE complex in which all proteins are associated with the same membrane) and increasing the ATPase activity of NSF, thereby allowing ATP hydrolysis by NSF to disassemble the cis-SNARE complex. 2
GO:0016223 beta-alanine-pyruvate transaminase activity Catalysis of the reaction: L-alanine + 2-oxopropanoate = pyruvate + beta-alanine. 2
GO:0035870 dITP diphosphatase activity Catalysis of the reaction: dITP + H2O = dIMP + diphosphate. 2
GO:0042936 dipeptide transporter activity Enables the directed movement of a dipeptide, a combination of two amino acids by means of a peptide (-CO-NH-) link, into, out of or within a cell, or between cells. 2
GO:0008476 protein-tyrosine sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + protein tyrosine = adenosine 3',5'-bisphosphate + protein tyrosine-O-sulfate. 2
GO:0004749 ribose phosphate diphosphokinase activity Catalysis of the reaction: D-ribose 5-phosphate + ATP = 5-phospho-alpha-D-ribose 1-diphosphate + AMP + 2 H(+). 2
GO:0033853 aspartate-prephenate aminotransferase activity Catalysis of the reaction: L-arogenate + oxaloacetate = prephenate + L-aspartate. 2
GO:0004465 lipoprotein lipase activity Catalysis of the reaction: triacylglycerol + H2O = diacylglycerol + a carboxylate. 2
GO:0045236 CXCR chemokine receptor binding Interacting selectively and non-covalently with a chemokine receptor in the CXCR family. 2
GO:0004839 ubiquitin activating enzyme activity Catalysis of the reaction: a protein L-lysine + a ubiquitin + ATP = a protein-N-ubiquityl-lysine + AMP + diphosphate. This reaction is the activation of the C-terminal carboxyl group of ubiquitin by the formation of a high-energy thiolester bond in an ATP-dependent manner. 2
GO:0070080 titin Z domain binding Interacting selectively and non-covalently with the titin Z domain, which recognizes and binds to the C-terminal calmodulin-like domain of alpha-actinin-2 (Act-EF34), adopts a helical structure, and binds in a groove formed by the two planes between the helix pairs of Act-EF34. 2
GO:0051425 PTB domain binding Interacting selectively and non-covalently with a phosphotyrosine-binding (PTB) domain of a protein. 2
GO:0004629 phospholipase C activity Catalysis of the reaction: a phospholipid + H2O = 1,2-diacylglycerol + a phosphatidate. 2
GO:0038106 choriogonadotropin hormone binding Interacting selectively and non-covalently with choriogonadotropin hormone, a heterodimer, with an alpha subunit identical to that of luteinizing hormone (LH), follicle-stimulating hormone (FSH) and thyroid-stimulating hormone (TSH), and a unique beta subunit. 2
GO:0036222 XTP diphosphatase activity Catalysis of the reaction: XTP + H2O = xanthosine 5'-phosphate + diphosphate. 2
GO:0016782 transferase activity, transferring sulfur-containing groups Catalysis of the transfer of a sulfur-containing group from one compound (donor) to another (acceptor). 2
GO:0003823 antigen binding Interacting selectively and non-covalently with an antigen, any substance which is capable of inducing a specific immune response and of reacting with the products of that response, the specific antibody or specifically sensitized T-lymphocytes, or both. Binding may counteract the biological activity of the antigen. 2
GO:0097162 MADS box domain binding Interacting selectively and non-covalently with a MADS box domain, a protein domain that encodes the DNA-binding MADS domain. The MADS domain binds to DNA sequences of high similarity to the motif CC[A/T]6GG termed the CArG-box. MADS-domain proteins are generally transcription factors. The length of the MADS-box is in the range of 168 to 180 base pairs. 2
GO:0004062 aryl sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + a phenol = adenosine 3',5'-bisphosphate + an aryl sulfate. 2
GO:0004416 hydroxyacylglutathione hydrolase activity Catalysis of the reaction: (S)-(2-hydroxyacyl)glutathione + H2O = glutathione + a 2-hydroxy carboxylate. 2
GO:0019826 oxygen sensor activity Interacting selectively and non-covalently with and responding, e.g. by conformational change, to changes in the cellular level of oxygen (O2). 2
GO:0000150 recombinase activity Catalysis of the identification and base-pairing of homologous sequences between single-stranded DNA and double-stranded DNA. 2
GO:0010209 vacuolar sorting signal binding Interacting selectively and non-covalently with a vacuolar sorting signal, a specific peptide sequence that acts as a signal to localize the protein within the vacuole. 2
GO:0036218 dTTP diphosphatase activity Catalysis of the reaction: dTTP + H2O = dTMP + diphosphate. 2
GO:0030519 snoRNP binding Interacting selectively and non-covalently with any part of a small nucleolar ribonucleoprotein particle. 2
GO:0001849 complement component C1q binding Interacting selectively and non-covalently with the C1q component of the classical complement cascade. 2
GO:0071933 Arp2/3 complex binding Interacting selectively and non-covalently with an Arp2/3 complex, a protein complex that contains two actin-related proteins, Arp2 and Arp3, and five novel proteins (ARPC1-5). 2
GO:0005149 interleukin-1 receptor binding Interacting selectively and non-covalently with the interleukin-1 receptor. 2
GO:0050439 2-hydroxy-3-oxoadipate synthase activity Catalysis of the reaction: 2-oxoglutarate + glyoxylate + H(+) = 2-hydroxy-3-oxoadipate + CO(2). 2
GO:0000386 second spliceosomal transesterification activity Catalysis of the second transesterification reaction of spliceosomal mRNA splicing. Ligation of the two exons occurs via a transesterification reaction where the free 3'-hydroxyl group of the 5' exon is the nucleophile attacking the 3' splice site. Non-expressed sequences are now detached from the exons. In cis splicing, the intron is in a lariat structure. 2
GO:0005527 macrolide binding Interacting selectively and non-covalently with a macrolide, any of a large group of structurally related antibiotics produced by Streptomyces species. 2
GO:0031752 D5 dopamine receptor binding Interacting selectively and non-covalently with a D5 dopamine receptor. 2
GO:0036219 GTP diphosphatase activity Catalysis of the reaction: GTP + H2O = GMP + diphosphate. 2
GO:0004307 ethanolaminephosphotransferase activity Catalysis of the reaction: CDP-ethanolamine + 1,2-diacylglycerol = CMP + a phosphatidylethanolamine. 2
GO:0031995 insulin-like growth factor II binding Interacting selectively and non-covalently with insulin-like growth factor II. 2
GO:0004104 cholinesterase activity Catalysis of the reaction: an acylcholine + H2O = choline + a carboxylic acid anion. 2
GO:0017081 chloride channel regulator activity Modulates the activity of a chloride channel. 2
GO:0051428 peptide hormone receptor binding Interacting selectively and non-covalently with a receptor for peptide hormones. 2
GO:0047840 dCTP diphosphatase activity Catalysis of the reaction: dCTP + H2O = dCMP + diphosphate. 2
GO:0005487 nucleocytoplasmic transporter activity Enables the directed movement of substances between the nucleus and the cytoplasm of a cell. 2
GO:0017171 serine hydrolase activity Catalysis of the hydrolysis of a substrate by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine). 2
GO:0047305 (R)-3-amino-2-methylpropionate-pyruvate transaminase activity Catalysis of the reaction: (2R)-3-amino-2-methylpropanoate + pyruvate = 2-methyl-3-oxopropanoate + L-alanine. 2
GO:0036221 UTP diphosphatase activity Catalysis of the reaction: UTP + H2O = UMP + diphosphate. 2
GO:0004065 arylsulfatase activity Catalysis of the reaction: a phenol sulfate + H2O = a phenol + sulfate. 2
GO:0004360 glutamine-fructose-6-phosphate transaminase (isomerizing) activity Catalysis of the reaction: beta-D-fructose 6-phosphate + L-glutamine = D-glucosamine 6-phosphate + L-glutamate. 2
GO:0031775 lutropin-choriogonadotropic hormone receptor binding Interacting selectively and non-covalently with a lutropin-choriogonadotropic hormone receptor. 2
GO:0003847 1-alkyl-2-acetylglycerophosphocholine esterase activity Catalysis of the reaction: 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine + H2O = 1-alkyl-sn-glycero-3-phosphocholine + acetate. 2
GO:0071886 1-(4-iodo-2,5-dimethoxyphenyl)propan-2-amine binding Interacting selectively and non-covalently with the amine 1-(4-iodo-2,5-dimethoxyphenyl)propan-2-amine, a serotonin receptor agonist that can act as a psychedelic drug. 2
GO:1990055 phenylacetaldehyde synthase activity Catalyzes the reaction: L-phenylalanine + O2 + H2O -> phenylacetaldehyde + ammonia + hydrogen peroxide + CO2. 2
GO:0045153 electron transporter, transferring electrons within CoQH2-cytochrome c reductase complex activity Enables the directed movement of electrons within the CoQH2-cytochrome c reductase complex. 2
GO:0031690 adrenergic receptor binding Interacting selectively and non-covalently with an adrenergic receptor. 2
GO:0016874 ligase activity Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate. 2
GO:0016779 nucleotidyltransferase activity Catalysis of the transfer of a nucleotidyl group to a reactant. 2
GO:0005319 lipid transporter activity Enables the directed movement of lipids into, out of or within a cell, or between cells. 2
GO:0004587 ornithine-oxo-acid transaminase activity Catalysis of the reaction: L-ornithine + a 2-oxo acid = L-glutamate 5-semialdehyde + an L-amino acid. 2
GO:0001618 virus receptor activity Combining with a virus component and mediating entry of the virus into the cell. 2
GO:0036220 ITP diphosphatase activity Catalysis of the reaction: ITP + H2O = IMP + diphosphate. 2
GO:0004076 biotin synthase activity Catalysis of the reaction: 2 S-adenosyl-L-methionine + dethiobiotin + S(2-) = 2 5'-deoxyadenosine + 2 L-methionine + biotin + H(+). 2
GO:0080118 brassinosteroid sulfotransferase activity Catalysis of the reaction: a brassinosteroid + 3'-phosphoadenosine-5'-phosphosulfate = sulfated brassinosteroid + adenosine-3',5'-diphosphate. This reaction is the transfer of a sulfate group to the hydroxyl group of a brassinosteroid acceptor, producing the sulfated brassinosteroid derivative. 2
GO:0051427 hormone receptor binding Interacting selectively and non-covalently with a receptor for hormones. 2
GO:0008474 palmitoyl-(protein) hydrolase activity Catalysis of the reaction: palmitoyl-protein + H2O = palmitate + protein. 2
GO:0008569 minus-end-directed microtubule motor activity Catalysis of movement along a microtubule toward the minus end, coupled to the hydrolysis of ATP (or GTP). 2
GO:0030551 cyclic nucleotide binding Interacting selectively and non-covalently with a cyclic nucleotide, a nucleotide in which the phosphate group is in diester linkage to two positions on the sugar residue. 2
GO:0043398 HLH domain binding Interacting selectively and non-covalently with Helix Loop Helix, a domain of 40-50 residues that occurs in specific DNA-binding proteins that act as transcription factors. The domain is formed of two amphipathic helices joined by a variable length linker region that can form a loop and it mediates protein dimerization. 2
GO:0001537 N-acetylgalactosamine 4-O-sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + N-acetyl-D-galactosamine = adenosine 3',5'-bisphosphate + N-acetyl-D-galactosamine 4-sulfate. 2
GO:0004084 branched-chain-amino-acid transaminase activity Catalysis of the reaction: a branched-chain amino acid + 2-oxoglutarate = L-glutamate + a 2-oxocarboxylate derived from the branched-chain amino acid. 2
GO:0003990 acetylcholinesterase activity Catalysis of the reaction: acetylcholine + H2O = choline + acetate. 2
GO:0016015 morphogen activity Acts as a trigger for a pattern specification process when present at a specific concentration within a gradient. 2
GO:0050827 toxin receptor binding Interacting selectively and non-covalently with a toxin receptor, a receptor for substances that cause injury to living organisms. 2
GO:0016773 phosphotransferase activity, alcohol group as acceptor Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to an alcohol group (acceptor). 2
GO:0034987 immunoglobulin receptor binding Interacting selectively and non-covalently with one or more specific sites on an immunoglobulin receptor molecule. 2
GO:0004142 diacylglycerol cholinephosphotransferase activity Catalysis of the reaction: CDP-choline + 1,2-diacylglycerol = CMP + a phosphatidylcholine. 2
GO:0019782 ISG15 activating enzyme activity Catalysis of the activation of the small ubiquitin-related modifier ISG15, through the formation of an ATP-dependent high-energy thiolester bond. 2
GO:0004304 estrone sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + estrone = adenosine 3',5'-bisphosphate + estrone 3-sulfate. 2
GO:0031812 P2Y1 nucleotide receptor binding Interacting selectively and non-covalently with a P2Y1 nucleotide receptor. 1
GO:0047408 alkenylglycerophosphocholine hydrolase activity Catalysis of the reaction: H2O + 1-(1-alkenyl)-sn-glycero-3-phosphocholine = L-1-glycero-3-phosphocholine + an aldehyde. 1
GO:0016810 hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds Catalysis of the hydrolysis of any carbon-nitrogen bond, C-N, with the exception of peptide bonds. 1
GO:0015232 heme transporter activity Enables the directed movement of heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring, into, out of or within a cell, or between cells. 1
GO:0045309 protein phosphorylated amino acid binding Interacting selectively and non-covalently with a phosphorylated amino acid residue within a protein. 1
GO:0032407 MutSalpha complex binding Interacting selectively and non-covalently with the mismatch repair complex MutSalpha. 1
GO:0008486 diphosphoinositol-polyphosphate diphosphatase activity Catalysis of the reaction: diphospho-myo-inositol polyphosphate + H2O = myo-inositol polyphosphate + phosphate. 1
GO:0008893 guanosine-3',5'-bis(diphosphate) 3'-diphosphatase activity Catalysis of the reaction: guanosine 3',5'-bis(diphosphate) + H2O = guanosine 5'-diphosphate + diphosphate. 1
GO:0047874 dolichyldiphosphatase activity Catalysis of the reaction: dolichyl diphosphate + H2O = dolichyl phosphate + phosphate. 1
GO:0080130 L-phenylalanine:2-oxoglutarate aminotransferase activity Catalysis of the reaction: L-phenylalanine + 2-oxoglutarate = phenylpyruvate + L-glutamate. 1
GO:0032453 histone demethylase activity (H3-K4 specific) Catalysis of the removal of a methyl group from lysine at position 4 of the histone H3 protein. 1
GO:0030215 semaphorin receptor binding Interacting selectively and non-covalently with semaphorin receptors. 1
GO:0035650 AP-1 adaptor complex binding Interacting selectively and non-covalently with the AP-1 adaptor complex. The AP-1 adaptor complex is a heterotetrameric AP-type membrane coat adaptor complex that consists of beta1, gamma, mu1 and sigma1 subunits and links clathrin to the membrane surface of a vesicle. In at least humans, the AP-1 complex can be heterogeneric due to the existence of multiple subunit isoforms encoded by different genes (gamma1 and gamma2, mu1A and mu1B, and sigma1A, sigma1B and sigma1C). 1
GO:0033218 amide binding Interacting selectively and non-covalently with an amide, any derivative of an oxoacid in which an acidic hydroxy group has been replaced by an amino or substituted amino group. 1
GO:0005153 interleukin-8 receptor binding Interacting selectively and non-covalently with the interleukin-8 receptor. 1
GO:0042895 antibiotic transporter activity Enables the directed movement of an antibiotic, a substance produced by or derived from certain fungi, bacteria, and other organisms, that can destroy or inhibit the growth of other microorganisms, into, out of or within a cell, or between cells. 1
GO:0004015 adenosylmethionine-8-amino-7-oxononanoate transaminase activity Catalysis of the reaction: 8-amino-7-oxononanoate + S-adenosyl-L-methionine(1+) = 7,8-diaminononanoate + S-adenosyl-4-methylthio-2-oxobutanoate. 1
GO:0047617 acyl-CoA hydrolase activity Catalysis of the reaction: acyl-CoA + H2O = CoA + a carboxylate. 1
GO:0047499 calcium-independent phospholipase A2 activity Catalysis of the reaction: phosphatidylcholine + H2O = 1-acylglycerophosphocholine + a carboxylate. This reaction does not require Ca2+. 1
GO:0034481 chondroitin sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + chondroitin = adenosine 3',5'-bisphosphate + chondroitin sulfate. 1
GO:0016757 transferase activity, transferring glycosyl groups Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor). 1
GO:0036122 BMP binding Interacting selectively and non-covalently with a member of the bone morphogenetic protein (BMP) family. 1
GO:0031697 beta-1 adrenergic receptor binding Interacting selectively and non-covalently with a beta-1 adrenergic receptor. 1
GO:0050294 steroid sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + a phenolic steroid = adenosine 3',5'-bisphosphate + steroid O-sulfate. 1
GO:0042292 URM1 activating enzyme activity Catalysis of the activation of the small ubiquitin-related modifier URM1, through the formation of an ATP-dependent high-energy thiolester bond. 1
GO:0044717 8-hydroxy-dADP phosphatase activity Catalysis of the reaction8-hydroxy-dADP + H2O = 8-hydroxy-dAMP + phosphate. 1
GO:0034189 very-low-density lipoprotein particle binding Interacting selectively and non-covalently with a very-low-density lipoprotein particle, a triglyceride-rich lipoprotein particle that is typically composed of APOB100, APOE and APOCs and has a density of about 1.006 g/ml and a diameter of between 20-80 nm. 1
GO:0017057 6-phosphogluconolactonase activity Catalysis of the reaction: 6-O-phosphono-D-glucono-1,5-lactone + H(2)O = 6-phospho-D-gluconate + H(+). 1
GO:0010297 heteropolysaccharide binding Interacting selectively and non-covalently with heteropolysaccharides. A heteropolysaccharide is a glycan composed of more than one type of monosaccharide residue. 1
GO:0003943 N-acetylgalactosamine-4-sulfatase activity Catalysis of the hydrolysis of the 4-sulfate groups of the N-acetyl-D-galactosamine 4-sulfate units of chondroitin sulfate and dermatan sulfate. 1
GO:0043262 adenosine-diphosphatase activity Catalysis of the reaction: ADP + H2O = AMP + phosphate. 1
GO:0070513 death domain binding Interacting selectively and non-covalently with a death domain of a protein. The death domain (DD) is a homotypic protein interaction module composed of a bundle of six alpha-helices. DD bind each other forming oligomers. Some DD-containing proteins are involved in the regulation of apoptosis and inflammation through their activation of caspases and NF-kappaB. 1
GO:0035620 ceramide transporter activity Enables the directed movement of ceramides into, out of or within a cell, or between cells. Ceramides are a class of lipid composed of sphingosine linked to a fatty acid. 1
GO:0047951 glutathione thiolesterase activity Catalysis of the reaction: S-acylglutathione + H(2)O = a carboxylate + glutathione + H(+). 1
GO:0032050 clathrin heavy chain binding Interacting selectively and non-covalently with a clathrin heavy chain. 1
GO:0047315 kynurenine-glyoxylate transaminase activity Catalysis of the reaction: L-kynurenine + glyoxylate = 4-(2-aminophenyl)-2,4-dioxobutanoate + glycine. 1
GO:0097108 hedgehog family protein binding Interacting selectively and non-covalently with a member of the hedgehog protein family, signaling proteins involved in development. 1
GO:0038085 vascular endothelial growth factor binding Interacting selectively and non-covalently with a vascular endothelial growth factor. 1
GO:0047493 ceramide cholinephosphotransferase activity Catalysis of the reaction: CDP-choline + ceramide = CMP + H(+) + sphingomyelin. 1
GO:0005540 hyaluronic acid binding Interacting selectively and non-covalently with hyaluronic acid, a polymer composed of repeating dimeric units of glucuronic acid and N-acetyl glucosamine. 1
GO:0046703 natural killer cell lectin-like receptor binding Interacting selectively and non-covalently with a lectin-like natural killer cell receptor. 1
GO:0033188 sphingomyelin synthase activity Catalysis of the reaction: 1,2-diacyl-sn-glycero-3-phosphocholine + ceramide = 1,2-diacyl-sn-glycerol + sphingomyelin. 1
GO:0031687 A2A adenosine receptor binding Interacting selectively and non-covalently with an A2A adenosine receptor. 1
GO:0004427 inorganic diphosphatase activity Catalysis of the reaction: diphosphate + H(2)O = H(+) + 2 phosphate. 1
GO:0047312 L-phenylalanine:pyruvate aminotransferase activity Catalysis of the reaction: pyruvate + L-phenylalanine = phenylpyruvate + L-alanine. 1
GO:0034648 histone demethylase activity (H3-dimethyl-K4 specific) Catalysis of the removal of a methyl group from dimethylated lysine at position 4 of the histone H3 protein. 1
GO:0008970 phosphatidylcholine 1-acylhydrolase activity Catalysis of the reaction: phosphatidylcholine + H2O = 2-acylglycerophosphocholine + a carboxylate. 1
GO:0016818 hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides Catalysis of the hydrolysis of any acid anhydride which contains phosphorus. 1
GO:0047589 5-aminovalerate transaminase activity Catalysis of the reaction: 2-oxoglutarate + 5-aminopentanoate = 5-oxopentanoate + L-glutamate. 1
GO:0004394 heparan sulfate 2-O-sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + heparan sulfate = adenosine 3',5'-bisphosphate + heparan sulfate 2-O-sulfate; results in 2-O-sulfation of iduronic acid residues in heparan sulfate. 1
GO:0005128 erythropoietin receptor binding Interacting selectively and non-covalently with the erythropoietin receptor. 1
GO:0042731 PH domain binding Interacting selectively and non-covalently with a PH domain (pleckstrin homology) of a protein, a domain of about 100 residues that occurs in a wide range of proteins involved in intracellular signaling or as constituents of the cytoskeleton. 1
GO:0015197 peptide transporter activity Enables the directed movement of peptides, compounds of two or more amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another, into, out of or within a cell, or between cells. 1
GO:0005161 platelet-derived growth factor receptor binding Interacting selectively and non-covalently with the platelet-derived growth factor receptor. 1
GO:0035730 S-nitrosoglutathione binding Interacting selectively and non-covalently with S-nitrosoglutathione, a nitrosothiol considered to be a natural nitric oxide (NO) donor involved in S-nitrosylation, and in the storage and transport of nitric oxide in biological systems. 1
GO:0005133 interferon-gamma receptor binding Interacting selectively and non-covalently with the interferon-gamma receptor. 1
GO:1901505 carbohydrate derivative transporter activity Enables the directed movement of carbohydrate derivative into, out of or within a cell, or between cells. 1
GO:0005055 laminin receptor activity Combining with a laminin, a glycoprotein that constitutes the majority of proteins in the basement membrane, to initiate a change in cell activity. 1
GO:0008260 3-oxoacid CoA-transferase activity Catalysis of the reaction: succinyl-CoA + a 3-oxo acid = succinate + a 3-oxo-acyl-CoA. 1
GO:0032767 copper-dependent protein binding Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules), in the presence of copper. 1
GO:0070984 SET domain binding Interacting selectively and non-covalently with a SET domain of a protein. SET domains are named after three Drosophila proteins that contain this domain: Su(var), E(z) and trithorax. SET domains are associated with histone lysine methylation. 1
GO:0004372 glycine hydroxymethyltransferase activity Catalysis of the reaction: 5,10-methylenetetrahydrofolate + glycine + H2O = tetrahydrofolate + L-serine. 1
GO:0005134 interleukin-2 receptor binding Interacting selectively and non-covalently with the interleukin-2 receptor. 1
GO:0033746 histone demethylase activity (H3-R2 specific) Catalysis of the removal of a methyl group from arginine at position 2 of the histone H3 protein. 1
GO:0000832 inositol hexakisphosphate 5-kinase activity Catalysis of the reaction: ATP + 1D-myo-inositol 1,2,3,4,5,6-hexakisphosphate = ADP + 5-diphospho-1D-myo-inositol (1,2,3,4,6)pentakisphosphate. 1
GO:0047714 galactolipase activity Catalysis of the reaction: 1,2-diacyl-3-beta-D-galactosyl-sn-glycerol + 2 H2O = 3-beta-D-galactosyl-sn-glycerol + 2 carboxylates. 1
GO:0034483 heparan sulfate sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + heparan sulfate = adenosine 3',5'-bisphosphate + sulfated heparan sulfate. 1
GO:0005118 sevenless binding Interacting selectively and non-covalently with the sevenless (sev) protein, a receptor tyrosine kinase. 1
GO:0046980 tapasin binding Interacting selectively and non-covalently with tapasin, a member of the MHC class I loading complex which bridges the TAP peptide transporter to class I molecules. 1
GO:0019780 FAT10 activating enzyme activity Catalysis of the activation of the small ubiquitin-related modifier FAT10, through the formation of an ATP-dependent high-energy thiolester bond. 1
GO:0004792 thiosulfate sulfurtransferase activity Catalysis of the reaction: hydrogen cyanide + thiosulfate = H(+) + sulfite + thiocyanate. 1
GO:0042605 peptide antigen binding Interacting selectively and non-covalently with an antigen peptide. 1
GO:0004802 transketolase activity Catalysis of the reversible transfer of a 2-carbon ketol group (CH2OH-CO-) from a ketose phosphate donor to an aldose phosphate acceptor. 1
GO:0033612 receptor serine/threonine kinase binding Interacting selectively and non-covalently with a receptor that possesses protein serine/threonine kinase activity. 1
GO:0004788 thiamine diphosphokinase activity Catalysis of the reaction: ATP + thiamine = AMP + thiamine diphosphate. 1
GO:0070698 type I activin receptor binding Interacting selectively and non-covalently with a type I activin receptor. 1
GO:0047710 bis(5'-adenosyl)-triphosphatase activity Catalysis of the reaction: P(1),P(3)-bis(5'-adenosyl) triphosphate + H(2)O = ADP + AMP + 2 H(+). 1
GO:0000827 inositol-1,3,4,5,6-pentakisphosphate kinase activity Catalysis of the reaction: ATP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate = ADP + diphospho-1D-myo-inositol tetrakisphosphate. The isomeric configuration of diphospho-1D-myo-inositol tetrakisphosphate is unknown. 1
GO:0005044 scavenger receptor activity Combining with any modified low-density lipoprotein (LDL) or other polyanionic ligand and delivering the ligand into the cell via endocytosis. Ligands include acetylated and oxidized LDL, Gram-positive and Gram-negative bacteria, apoptotic cells, beta-amyloid fibrils, and advanced glycation end products (AGEs). 1
GO:0071566 UFM1 activating enzyme activity Catalysis of the activation of the small ubiquitin-related modifier UFM1, through the formation of an ATP-dependent high-energy thiolester bond. 1
GO:0033749 histone demethylase activity (H4-R3 specific) Catalysis of the removal of a methyl group from arginine at position 3 of the histone H4 protein. 1
GO:0052723 inositol hexakisphosphate 1-kinase activity Catalysis of the reaction: ATP + 1D-myo-inositol hexakisphosphate = ADP + 1-diphospho-1D-myo-inositol (2,3,4,5,6)pentakisphosphate. 1
GO:0070840 dynein complex binding Interacting selectively and non-covalently with a dynein complex, a protein complex that contains two or three dynein heavy chains and several light chains, and has microtubule motor activity. 1
GO:0001071 nucleic acid binding transcription factor activity Interacting selectively and non-covalently with a DNA or RNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex. 1
GO:0016742 hydroxymethyl-, formyl- and related transferase activity Catalysis of the transfer of a hydroxymethyl- or formyl group from one compound (donor) to another (acceptor). 1
GO:0044715 8-oxo-dGDP phosphatase activity Catalysis of the reaction 8-oxo-dGDP + H2O = 8-oxo-dGMP + phosphate. 1
GO:0033857 diphosphoinositol-pentakisphosphate kinase activity Catalysis of the reaction: ATP + 1D-myo-inositol 5-diphosphate pentakisphosphate = ADP + 1D-myo-inositol bisdiphosphate tetrakisphosphate. 1
GO:0004027 alcohol sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + an alcohol = adenosine 3',5'-bisphosphate + an alkyl sulfate. 1
GO:0035731 dinitrosyl-iron complex binding Interacting selectively and non-covalently with a dinitrosyl-iron complex. Nitric oxide (NO) is stored as dinitrosyl-iron complexes, which form spontaneously from Glutathione (GSH), S-nitrosoglutathione, and trace amounts of ferrous ions, or by reaction of iron-sulfur centers with NO. 1
GO:0035755 cardiolipin hydrolase activity Catalysis of the hydrolysis of cardiolipin (1,3-bis(3-phosphatidyl)glycerol) to form phosphatidic acid (PA). 1
GO:0016248 channel inhibitor activity Stops, prevents, or reduces the activity of a channel. A channel catalyzes energy-independent facilitated diffusion, mediated by passage of a solute through a transmembrane aqueous pore or channel. 1
GO:0005114 type II transforming growth factor beta receptor binding Interacting selectively and non-covalently with a type II transforming growth factor beta receptor. 1
GO:0097161 DH domain binding Interacting selectively and non-covalently with a DH (Dbl homology) domain of a protein. The DH domain contains three structurally conserved regions separated by more variable regions. It is composed of 11 alpha helices that are folded into a flattened, elongated alpha-helix bundle in which two of the three conserved regions, conserved region 1 (CR1) and conserved region 3 (CR3), are exposed near the centre of one surface. CR1 and CR3, together with a part of alpha-6 and the DH/PH (pleckstrin homology) junction site, constitute the Rho GTPase interacting pocket. 1
GO:0051424 corticotropin-releasing hormone binding Interacting selectively and non-covalently with corticotropin-releasing hormone, a polypeptide hormone involved in the stress response. It is released by the hypothalamus and stimulates the release of corticotropin by the anterior pituitary gland. 1
GO:0008808 cardiolipin synthase activity Catalysis of the reaction: phosphatidylglycerol + phosphatidylglycerol = diphosphatidylglycerol (cardiolipin) + glycerol. 1
GO:0032182 small conjugating protein binding Interacting selectively and non-covalently with a small conjugating protein such as ubiquitin or a ubiquitin-like protein. 1
GO:0070051 fibrinogen binding Interacting selectively and non-covalently with fibrinogen, a highly soluble hexameric glycoprotein complex that is found in blood plasma and is converted to fibrin by thrombin in the coagulation cascade. 1
GO:0090541 MIT domain binding Interacting selectively and non-covalently with the MIT domain of a protein. The MIT domain is found in vacuolar sorting proteins, spastin (probable ATPase involved in the assembly or function of nuclear protein complexes), and a sorting nexin, which may play a role in intracellular trafficking. 1
GO:0070280 pyridoxal binding Interacting selectively and non-covalently with pyridoxal, 3-hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carbaldehyde, a form of vitamin B6. 1
GO:0050692 DBD domain binding Interacting selectively and non-covalently with the DBD, DNA binding domain, of a protein. The DNA binding domain of the vitamin D receptor, one of a family of receptors with the DBD, is split into three regions, the P, D and T boxes. Residues that are critical for target sequence selectivity form the P-box. The D-box contains residues that are important for homodimerization of class I nuclear receptors. The T-box is essential for both DNA-binding and transactivation of the VDR; this region may also be important for dimerization with RXR for class II nuclear receptors. 1
GO:0047372 acylglycerol lipase activity Catalysis of the reaction: H2O + acylglycerol = a fatty acid + glycerol. 1
GO:0005048 signal sequence binding Interacting selectively and non-covalently with a signal sequence, a specific peptide sequence found on protein precursors or mature proteins that dictates where the mature protein is localized. 1
GO:0008265 Mo-molybdopterin cofactor sulfurase activity Catalysis of the sulfurylation of the desulfo form of molybdenum cofactor (MoCo), a cofactor required for the activity of some enzymes, such as aldehyde oxidase. 1
GO:0000268 peroxisome targeting sequence binding Interacting selectively and non-covalently with a peroxisomal targeting sequence, any of several sequences of amino acids within a protein that can act as a signal for the localization of the protein into the peroxisome. 1
GO:0051500 D-tyrosyl-tRNA(Tyr) deacylase activity Catalysis of the reaction: D-tyrosyl-tRNA(Tyr) = D-tyrosine + tRNA(Tyr). Hydrolysis of the removal of D-tyrosine from tyrosine residues in charged tRNA. 1
GO:0005135 interleukin-3 receptor binding Interacting selectively and non-covalently with the interleukin-3 receptor. 1
GO:0045295 gamma-catenin binding Interacting selectively and non-covalently with the gamma subunit of the catenin complex. 1
GO:0047945 L-glutamine:pyruvate aminotransferase activity Catalysis of the reaction: L-glutamine + pyruvate = 2-oxoglutaramate + L-alanine. 1
GO:0005119 smoothened binding Interacting selectively and non-covalently with the smoothened (smo) protein, which interacts with patched to transmit hedgehog signals. 1
GO:0010997 anaphase-promoting complex binding Interacting selectively and non-covalently with an anaphase-promoting complex. A ubiquitin ligase complex that degrades mitotic cyclins and anaphase inhibitory protein, thereby triggering sister chromatid separation and exit from mitosis. 1
GO:0030492 hemoglobin binding Interacting selectively and non-covalently with hemoglobin, an oxygen carrying, conjugated protein containing four heme groups and globin. 1
GO:0016776 phosphotransferase activity, phosphate group as acceptor Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to a phosphate group (acceptor). 1
GO:0045504 dynein heavy chain binding Interacting selectively and non-covalently with a heavy chain of the dynein complex. 1
GO:0047756 chondroitin 4-sulfotransferase activity Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + chondroitin = adenosine 3',5'-bisphosphate + chondroitin 4'-sulfate. 1
GO:0008453 alanine-glyoxylate transaminase activity Catalysis of the reaction: L-alanine + glyoxylate = pyruvate + glycine. 1
GO:0044716 8-oxo-GDP phosphatase activity Catalysis of the reaction 8-oxo-GDP + H2O = 8-oxo-GMP + phosphate. 1
GO:0005326 neurotransmitter transporter activity Enables the directed movement of a neurotransmitter into, out of or within a cell, or between cells. Neurotransmitters are any chemical substance that is capable of transmitting (or inhibiting the transmission of) a nerve impulse from a neuron to another cell. 1
GO:0047409 alkenylglycerophosphoethanolamine hydrolase activity Catalysis of the reaction: H2O + 1-(1-alkenyl)-sn-glycero-3-phosphoethanolamine = sn-glycero-3-phosphoethanolamine + an aldehyde. 1
GO:0008035 high-density lipoprotein particle binding Interacting selectively and non-covalently with high-density lipoprotein particle, a lipoprotein particle with a high density (typically 1.063-1.21 g/ml) and a diameter of 5-10 nm that contains APOAs and may contain APOCs and APOE. 1
GO:0008641 small protein activating enzyme activity Catalysis of the activation of small proteins, such as ubiquitin or ubiquitin-like proteins, through the formation of an ATP-dependent high-energy thiolester bond. 1
GO:0033558 protein deacetylase activity Catalysis of the hydrolysis of an acetyl group or groups from a protein substrate. 1
GO:0017128 phospholipid scramblase activity Catalysis of the movement of phospholipids from one membrane bilayer leaflet to the other, by an ATP-independent mechanism. 1
GO:0019955 cytokine binding Interacting selectively and non-covalently with a cytokine, any of a group of proteins that function to control the survival, growth and differentiation of tissues and cells, and which have autocrine and paracrine activity. 1
GO:0004112 cyclic-nucleotide phosphodiesterase activity Catalysis of the reaction: a nucleoside cyclic phosphate + H2O = a nucleoside phosphate. 1
GO:0004643 phosphoribosylaminoimidazolecarboxamide formyltransferase activity Catalysis of the reaction: 10-formyltetrahydrofolate + 5'-phosphoribosyl-5-amino-4-imidazolecarboxamide = tetrahydrofolate + 5'-phosphoribosyl-5-formamido-4-imidazolecarboxamide. 1
GO:0043544 lipoamide binding Interacting selectively and non-covalently with lipoamide, the functional form of lipoic acid in which the carboxyl group is attached to protein by an amide linkage to a lysine amino group. 1
GO:0051435 BH4 domain binding Interacting selectively and non-covalently with the BH4 domain of a protein of the Bcl-2 family. All anti-apoptotic proteins contain BH1 and BH2 domains; some also contain an additional N-terminal BH4 domain, which is almost never seen in pro-apoptotic proteins. Loss of the BH4 domain can diminish or abrogate anti-apoptotic function or even impart outright death-promoting properties to the protein. 1
GO:0070052 collagen V binding Interacting selectively and non-covalently with a type V collagen. 1
GO:0031699 beta-3 adrenergic receptor binding Interacting selectively and non-covalently with a beta-3 adrenergic receptor. 1
GO:0050683 AF-1 domain binding Interacting selectively and non-covalently with the AF-1 domain of a protein, a ligand-independent transactivation domain which is required for the full transcriptional activity of the receptor. 1
GO:0070990 snRNP binding Interacting selectively and non-covalently with any part of a small nuclear ribonucleoprotein particle. 1
GO:0016212 kynurenine-oxoglutarate transaminase activity Catalysis of the reaction: L-kynurenine + 2-oxoglutarate = 4-(2-aminophenyl)-2,4-dioxobutanoate + L-glutamate. 1
GO:0005534 galactose binding Interacting selectively and non-covalently with the aldohexose galactose (galacto-hexose), a common constituent of many oligo- and polysaccharides. 1
GO:0008414 CDP-alcohol phosphotransferase activity Catalysis of the transfer of a CDP-alcohol group from one compound to another. 1
GO:0015334 high affinity oligopeptide transporter activity Catalysis of the transfer of oligopeptide from one side of the membrane to the other. In high affinity transport the transporter is able to bind the solute even if it is only present at very low concentrations. Oligopeptides are molecules that contain a small number (2 to 20) of amino-acid residues connected by peptide linkages. 1
GO:0017076 purine nucleotide binding Interacting selectively and non-covalently with purine nucleotides, any compound consisting of a purine nucleoside esterified with (ortho)phosphate. 1
GO:0052724 inositol hexakisphosphate 3-kinase activity Catalysis of the reaction: ATP + 1D-myo-inositol hexakisphosphate = ADP + 3-diphospho-1D-myo-inositol (1,2,4,5,6)pentakisphosphate. 1
GO:0048408 epidermal growth factor binding Interacting selectively and non-covalently with epidermal growth factor. 1
GO:0070097 delta-catenin binding Interacting selectively and non-covalently with the delta subunit of the catenin complex. 1
GO:0015248 sterol transporter activity Enables the directed movement of sterols into, out of or within a cell, or between cells. Sterol are steroids with one or more hydroxyl groups and a hydrocarbon side-chain in the molecule. 1