| GOID Link to GO |
Functional Category | Description | Protein Count link to protein list |
|---|---|---|---|
| GO:0008565 | protein transporter activity | Enables the directed movement of proteins into, out of or within a cell, or between cells. | 168 |
| GO:0042626 | ATPase activity, coupled to transmembrane movement of substances | Catalysis of the reaction: ATP + H2O = ADP + phosphate, to directly drive the active transport of a substance across a membrane. | 114 |
| GO:0015238 | drug transmembrane transporter activity | Enables the directed movement of a drug from one side of a membrane to the other. A drug is 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. | 106 |
| GO:0005351 | sugar:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: sugar(out) + H+(out) = sugar(in) + H+(in). | 101 |
| GO:0042937 | tripeptide transporter activity | Enables the directed movement of a tripeptide, a compound containing three amino acids linked together by peptide bonds, into, out of or within a cell, or between cells. | 79 |
| GO:0015086 | cadmium ion transmembrane transporter activity | Catalysis of the transfer of cadmium (Cd) ions from one side of a membrane to the other. | 76 |
| 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. | 75 |
| GO:0005315 | inorganic phosphate transmembrane transporter activity | Catalysis of the transfer of a inorganic phosphate from one side of a membrane to the other, up its concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction and is driven by a chemiosmotic source of energy. Chemiosmotic sources of energy include uniport, symport or antiport. | 74 |
| 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. | 74 |
| GO:0080054 | low affinity nitrate transmembrane transporter activity | Catalysis of the transfer of nitrate ions (NO3-) from one side of a membrane to the other. In low affinity transport the transporter is able to bind the solute only if it is present at very high concentrations. | 72 |
| GO:0015450 | P-P-bond-hydrolysis-driven protein transmembrane transporter activity | Primary active carrier-mediated transport of a protein across a membrane, driven by the hydrolysis of the diphosphate bond of inorganic pyrophosphate, ATP, or another nucleoside triphosphate. The transport protein may or may not be transiently phosphorylated, but the substrate is not phosphorylated. | 64 |
| GO:0090448 | glucosinolate:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: glucosinolate(out) + H+(out) = glucosinolate(in) + H+(in). | 63 |
| GO:0015574 | trehalose transmembrane transporter activity | Catalysis of the transfer of trehalose from one side of the membrane to the other. Trehalose is the disaccharide alpha-D-glucopyranosyl-alpha-D-glucopyranoside that acts of a reserve carbohydrate in certain fungi, algae and lichens. | 62 |
| GO:0015299 | solute:hydrogen antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: solute(out) + H+(in) = solute(in) + H+(out). | 61 |
| GO:0005262 | calcium channel activity | Catalysis of facilitated diffusion of a calcium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. | 60 |
| GO:0055056 | D-glucose transmembrane transporter activity | Catalysis of the transfer of the D-enantiomer of the hexose monosaccharide glucose from one side of the membrane to the other. | 59 |
| GO:0046961 | proton-transporting ATPase activity, rotational mechanism | Catalysis of the transfer of protons from one side of a membrane to the other according to the reaction: ATP + H2O + H+(in) = ADP + phosphate + H+(out), by a rotational mechanism. | 59 |
| GO:0015204 | urea transmembrane transporter activity | Enables the directed movement of urea cross a membrane into, out of or within a cell, or between cells. Urea is the water soluble compound H2N-CO-NH2. | 53 |
| GO:0008553 | hydrogen-exporting ATPase activity, phosphorylative mechanism | Catalysis of the transfer of protons from one side of a membrane to the other according to the reaction: ATP + H2O + H+(in) -> ADP + phosphate + H+(out). These transporters use a phosphorylative mechanism, which have a phosphorylated intermediate state during the ion transport cycle. | 53 |
| GO:0015175 | neutral amino acid transmembrane transporter activity | Catalysis of the transfer of neutral amino acids from one side of a membrane to the other. Neutral amino acids have a pH of 7. | 53 |
| GO:0015250 | water channel activity | Transport systems of this type catalyze facilitated diffusion of water (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. | 53 |
| GO:0015172 | acidic amino acid transmembrane transporter activity | Catalysis of the transfer of acidic amino acids from one side of a membrane to the other. Acidic amino acids have a pH below 7. | 51 |
| GO:0051739 | ammonia transmembrane transporter activity | Enables the directed movement of ammonia from one side of the membrane to the other. | 51 |
| GO:0015200 | methylammonium transmembrane transporter activity | Enables the directed movement of methylammonium, CH3NH2, into, out of or within a cell, or between cells. | 50 |
| GO:0005242 | inward rectifier potassium channel activity | Catalysis of the transmembrane transfer of a potassium ion by an inwardly-rectifying voltage-gated channel. An inwardly rectifying current-voltage relation is one where at any given driving force the inward flow of K+ ions exceeds the outward flow for the opposite driving force. The inward-rectification is due to a voltage-dependent block of the channel pore by a specific ligand or ligands, and as a result the macroscopic conductance depends on the difference between membrane voltage and the K+ equilibrium potential rather than on membrane voltage itself. | 50 |
| GO:0005366 | myo-inositol:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: myo-inositol(out) + H+(out) = myo-inositol(in) + H+(in). | 49 |
| GO:0015105 | arsenite transmembrane transporter activity | Catalysis of the transfer of arsenite from one side of a membrane to the other. | 49 |
| GO:0005347 | ATP transmembrane transporter activity | Catalysis of the transfer of ATP, adenosine triphosphate, from one side of a membrane to the other. | 48 |
| GO:0005459 | UDP-galactose transmembrane transporter activity | Catalysis of the transfer of a UDP-galactose from one side of the membrane to the other. UDP-galactose is a substance composed of galactose in glycosidic linkage with uridine diphosphate. | 48 |
| GO:0005353 | fructose transmembrane transporter activity | Catalysis of the transfer of fructose from one side of the membrane to the other. Fructose exists in a open chain form or as a ring compound. D-fructose is the sweetest of the sugars and is found free in a large number of fruits and honey. | 47 |
| GO:0005460 | UDP-glucose transmembrane transporter activity | Catalysis of the transfer of a UDP-glucose from one side of the membrane to the other. UDP-glucose is a substance composed of glucose in glycosidic linkage with uridine diphosphate. | 47 |
| GO:0010329 | auxin efflux transmembrane transporter activity | Catalysis of the transfer of auxin, from one side of a membrane to the other, out of a cell. | 45 |
| GO:0034639 | L-amino acid efflux transmembrane transporter activity | Catalysis of the transfer of an L-amino acid from the inside of the cell to the outside of the cell across a membrane. | 43 |
| GO:0090440 | abscisic acid transporter activity | Enables the directed movement of abscisic acid into, out of or within a cell, or between cells. | 43 |
| GO:0015517 | galactose:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: galactose(out) + H+(out) = galactose(in) + H+(in). | 42 |
| GO:0008559 | xenobiotic-transporting ATPase activity | Catalysis of the reaction: ATP + H2O + xenobiotic(in) = ADP + phosphate + xenobiotic(out). | 41 |
| GO:0008506 | sucrose:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: sucrose(out) + H+(out) = sucrose(in) + H+(in). | 41 |
| GO:0015181 | arginine transmembrane transporter activity | Catalysis of the stereospecific transfer of arginine, 2-amino-5-guanidinopentanoic acid, across a biological membrane. | 41 |
| GO:0015120 | phosphoglycerate transmembrane transporter activity | Catalysis of the transfer of phosphoglycerates from one side of the membrane to the other. Phosphoglycerates are important intermediates in glycolysis and 3-phosphoglycerate is a precursor in serine biosynthesis. | 40 |
| GO:0015399 | primary active transmembrane transporter activity | Catalysis of the transfer of a solute from one side of the membrane to the other, up the solute's concentration gradient, by binding the solute and undergoing a series of conformational changes. Transport works equally well in either direction and is powered by a primary energy source. Primary energy sources known to be coupled to transport are chemical, electrical and solar sources. | 40 |
| GO:0005471 | ATP:ADP antiporter activity | Catalysis of the reaction: ATP(out) + ADP(in) = ATP(in) + ADP(out). | 39 |
| GO:0015288 | porin activity | Catalysis of the transfer of substances, sized less than 1000 Da, from one side of the membrane to the other. The transmembrane portions of porins consist exclusively of beta-strands which form a beta-barrel. They are found in the outer membranes of Gram-negative bacteria, mitochondria, plastids and possibly acid-fast Gram-positive bacteria. | 39 |
| GO:0015079 | potassium ion transmembrane transporter activity | Catalysis of the transfer of potassium ions (K+) from one side of a membrane to the other. | 38 |
| GO:0015121 | phosphoenolpyruvate:phosphate antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: phosphoenolpyruvate(out) + phosphate(in) = phosphoenolpyruvate(in) + phosphate(out). | 38 |
| GO:0005223 | intracellular cGMP activated cation channel activity | Catalysis of the transmembrane transfer of a cation by a channel that opens when intracellular cGMP has been bound by the channel complex or one of its constituent parts. | 38 |
| GO:0035379 | carbon dioxide transmembrane transporter activity | Enables the transfer of carbon dioxide (CO2) from one side of a membrane to the other. | 37 |
| GO:0015171 | amino acid transmembrane transporter activity | Catalysis of the transfer of amino acids from one side of a membrane to the other. Amino acids are organic molecules that contain an amino group and a carboxyl group. | 37 |
| GO:0071992 | phytochelatin transmembrane transporter activity | Enables the directed movement of a phytochelatin across a membrane into, out of or within a cell, or between cells. Phytochelatins are a group of peptides that bind metals (Cd, Zn, Cu, Pb, Hg) in thiolate coordination complexes. | 36 |
| GO:0030184 | nitric oxide transmembrane transporter activity | Enables the directed movement of nitric oxide, nitrogen monoxide, from one side of a membrane to the other. | 36 |
| GO:0015174 | basic amino acid transmembrane transporter activity | Catalysis of the transfer of basic amino acids from one side of a membrane to the other. Acidic amino acids have a pH above 7. | 36 |
| GO:0015446 | arsenite-transmembrane transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + arsenite(in) = ADP + phosphate + arsenite(out). | 36 |
| GO:0046933 | proton-transporting ATP synthase activity, rotational mechanism | Catalysis of the transfer of protons from one side of a membrane to the other according to the reaction: ADP + H2O + H+(in) = ATP + phosphate + H+(out), by a rotational mechanism. | 35 |
| GO:0015168 | glycerol transmembrane transporter activity | Catalysis of the transfer of glycerol from one side of the membrane to the other. Glycerol is 1,2,3-propanetriol, a sweet, hygroscopic, viscous liquid, widely distributed in nature as a constituent of many lipids. | 35 |
| GO:0015112 | nitrate transmembrane transporter activity | Catalysis of the transfer of nitrate ions (NO3-) from one side of a membrane to the other. | 35 |
| GO:0015578 | mannose transmembrane transporter activity | Catalysis of the transfer of mannose from one side of the membrane to the other. Mannose is the aldohexose manno-hexose, the C-2 epimer of glucose. The D-(+)-form is widely distributed in mannans and hemicelluloses and is of major importance in the core oligosaccharide of N-linked oligosaccharides of glycoproteins. | 35 |
| GO:0015189 | L-lysine transmembrane transporter activity | Catalysis of the transfer of L-lysine from one side of a membrane to the other. L-lysine is 2,6-diaminohexanoic acid. | 34 |
| GO:0015114 | phosphate ion transmembrane transporter activity | Catalysis of the transfer of phosphate (PO4 3-) ions from one side of a membrane to the other. | 34 |
| GO:0004012 | phospholipid-translocating ATPase activity | Catalysis of the movement of phospholipids from one membrane bilayer leaflet to the other (phospolipid 'flippase' activity), driven by the hydrolysis of ATP. | 34 |
| GO:0005234 | extracellular-glutamate-gated ion channel activity | Catalysis of the transmembrane transfer of an ion by a channel that opens when extracellular glutamate has been bound by the channel complex or one of its constituent parts. | 34 |
| GO:0005217 | intracellular ligand-gated ion channel activity | Catalysis of the transmembrane transfer of an ion by a channel that opens when a specific intracellular ligand has been bound by the channel complex or one of its constituent parts. | 34 |
| GO:0004970 | ionotropic glutamate receptor activity | Catalysis of the transmembrane transfer of an ion by a channel that opens when glutamate has been bound by the channel complex or one of its constituent parts. | 33 |
| GO:0015297 | antiporter activity | Enables the active transport of a solute across a membrane by a mechanism whereby two or more species are transported in opposite directions in a tightly coupled process not directly linked to a form of energy other than chemiosmotic energy. The reaction is: solute A(out) + solute B(in) = solute A(in) + solute B(out). | 33 |
| GO:0005253 | anion channel activity | Catalysis of the energy-independent passage of anions across a lipid bilayer down a concentration gradient. | 32 |
| GO:0015228 | coenzyme A transmembrane transporter activity | Enables the directed movement of coenzyme A across a membrane into, out of or within a cell, or between cells. Coenzyme A, 3'-phosphoadenosine-(5')diphospho(4')pantatheine, is an acyl carrier in many acylation and acyl-transfer reactions in which the intermediate is a thiol ester. | 32 |
| GO:0005457 | GDP-fucose transmembrane transporter activity | Catalysis of the transfer of a GDP-fucose from one side of the membrane to the other. GDP-fucose is a substance composed of fucose in glycosidic linkage with guanosine diphosphate. | 32 |
| GO:0015217 | ADP transmembrane transporter activity | Catalysis of the transfer of ADP, adenosine diphosphate, from one side of a membrane to the other. | 32 |
| 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. | 32 |
| GO:0080122 | AMP transmembrane transporter activity | Catalysis of the transfer of AMP, adenosine monophosphate, from one side of a membrane to the other. | 32 |
| GO:0005358 | high-affinity hydrogen:glucose symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: glucose + H+ = glucose + H+. This activity is constitutive and therefore always present, regardless of demand. Symporter activity enables the active transport of a solute across a membrane by a mechanism whereby two or more species are transported together in the same direction in a tightly coupled process not directly linked to a form of energy other than chemiosmotic energy. In high affinity transport the transporter is able to bind the solute even if it is only present at very low concentrations. | 31 |
| GO:0010290 | chlorophyll catabolite transmembrane transporter activity | Enables the directed movement of chlorophyll catabolites such as non-fluorescent chlorophyll catabolites (NCCs), from one side of the membrane to the other. | 31 |
| GO:0015431 | glutathione S-conjugate-exporting ATPase activity | Catalysis of the reaction: ATP + H2O + glutathione S-conjugate(in) -> ADP + phosphate + glutathione S-conjugate(out). | 31 |
| GO:0008515 | sucrose transmembrane transporter activity | Catalysis of the transfer of sucrose from one side of the membrane to the other. Sucrose is the disaccharide O-beta-D-fructofuranosyl-(2->1)-alpha-D-glucopyranoside, a sweet-tasting, non-reducing sugar isolated industrially from sugar beet or sugar cane. | 30 |
| GO:0005275 | amine transmembrane transporter activity | Catalysis of the transfer of amines, including polyamines, from one side of the membrane to the other. Amines are organic compounds that are weakly basic in character and contain an amino (-NH2) or substituted amino group. | 30 |
| GO:0015198 | oligopeptide transporter activity | Enables the directed movement of oligopeptides into, out of or within a cell, or between cells. Oligopeptides are molecules that contain a small number (2 to 20) of amino-acid residues connected by peptide linkages. | 30 |
| GO:0015386 | potassium:hydrogen antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: K+(in) + H+(out) = K+(out) + H+(in). | 30 |
| GO:0015136 | sialic acid transmembrane transporter activity | Catalysis of the transfer of sialic acid from one side of the membrane to the other. | 29 |
| GO:0015115 | silicate transmembrane transporter activity | Catalysis of the transfer of silicates from one side of a membrane to the other. Silicates are the salts of silicic acids, and are usually composed of silicon and oxygen (Si[x]O[y]), one or more metals, and possibly hydrogen. Types of silicate include unisilicates, metasilicates and hydrous silicates. | 28 |
| GO:0005381 | iron ion transmembrane transporter activity | Catalysis of the transfer of iron (Fe) ions from one side of a membrane to the other. | 27 |
| GO:0005355 | glucose transmembrane transporter activity | Catalysis of the transfer of the hexose monosaccharide glucose from one side of the membrane to the other. | 26 |
| GO:0090417 | N-methylnicotinate transporter activity | Enables the directed movement of N-methylnicotinate into, out of or within a cell, or between cells. | 26 |
| GO:0090416 | nicotinate transporter activity | Enables the directed movement of nicotinate into, out of or within a cell, or between cells. | 26 |
| GO:0015562 | efflux transmembrane transporter activity | Catalysis of the transfer of a specific substance or related group of substances from the inside of the cell to the outside of the cell across a membrane. | 26 |
| GO:0015662 | ATPase activity, coupled to transmembrane movement of ions, phosphorylative mechanism | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O = ADP + phosphate, to directly drive the transport of ions across a membrane. The reaction is characterized by the transient formation of a high-energy aspartyl-phosphoryl-enzyme intermediate. | 26 |
| GO:0008271 | secondary active sulfate transmembrane transporter activity | Catalysis of the secondary active transfer of sulfate from one side of the membrane to the other. Secondary active transport is catalysis of the transfer of a solute from one side of a membrane to the other, up its concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction and is driven by a chemiosmotic source of energy. Chemiosmotic sources of energy include uniport, symport or antiport. | 25 |
| GO:0005384 | manganese ion transmembrane transporter activity | Catalysis of the transfer of manganese (Mn) ions from one side of a membrane to the other. | 25 |
| GO:0015385 | sodium:hydrogen antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Na+(out) + H+(in) = Na+(in) + H+(out). | 24 |
| GO:0071917 | triose-phosphate transmembrane transporter activity | Catalysis of the transfer of a triose phosphate from one side of a membrane to the other. | 24 |
| GO:0008514 | organic anion transmembrane transporter activity | Catalysis of the transfer of organic anions from one side of a membrane to the other. Organic anions are atoms or small molecules with a negative charge which contain carbon in covalent linkage. | 24 |
| GO:0005222 | intracellular cAMP activated cation channel activity | Catalysis of the transmembrane transfer of a cation by a channel that opens when intracellular cAMP has been bound by the channel complex or one of its constituent parts. | 24 |
| GO:0005290 | L-histidine transmembrane transporter activity | Catalysis of the transfer of L-histidine from one side of a membrane to the other. L-histidine is 2-amino-3-(1H-imidazol-4-yl)propanoic acid. | 24 |
| 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. | 23 |
| GO:0015095 | magnesium ion transmembrane transporter activity | Catalysis of the transfer of magnesium (Mg) ions from one side of a membrane to the other. | 23 |
| GO:0005313 | L-glutamate transmembrane transporter activity | Catalysis of the transfer of L-glutamate from one side of a membrane to the other. L-glutamate is the anion of 2-aminopentanedioic acid. | 23 |
| 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. | 23 |
| 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. | 22 |
| GO:0022891 | substrate-specific transmembrane transporter activity | Enables the transfer of a specific substance or group of related substances from one side of a membrane to the other. | 22 |
| GO:0070890 | sodium-dependent L-ascorbate transmembrane transporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: L-ascorbate(out) + Na+(out) = L-ascorbate(in) + Na+(in). | 22 |
| GO:0022857 | transmembrane transporter activity | Enables the transfer of a substance from one side of a membrane to the other. | 22 |
| GO:0005354 | galactose transmembrane transporter activity | Catalysis of the transfer of galactose from one side of the membrane to the other. D-galactose is widely distributed in combined form in plants, animals and microorganisms as a constituent of oligo- and polysaccharides; it also occurs in galactolipids and as its glucoside in lactose and melibiose. | 22 |
| GO:0015519 | D-xylose:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: D-xylose(out) + H+(out) = D-xylose(in) + H+(in). | 22 |
| GO:0015140 | malate transmembrane transporter activity | Catalysis of the transfer of malate from one side of the membrane to the other. Malate is a chiral hydroxydicarboxylic acid, hydroxybutanedioic acid. The (+) enantiomer is an important intermediate in metabolism as a component of both the TCA cycle and the glyoxylate cycle. | 22 |
| GO:0008308 | voltage-gated anion channel activity | Catalysis of the transmembrane transfer of an anion by a voltage-gated channel. An anion is a negatively charged ion. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded. | 21 |
| GO:0005388 | calcium-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Ca2+(cis) = ADP + phosphate + Ca2+(trans). | 21 |
| GO:0005469 | succinate:fumarate antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: succinate(out) + fumarate(in) = succinate(in) + fumarate(out). | 21 |
| GO:0005458 | GDP-mannose transmembrane transporter activity | Catalysis of the transfer of a GDP-mannose from one side of the membrane to the other. GDP-mannose is a substance composed of mannose in glycosidic linkage with guanosine diphosphate. | 21 |
| GO:0015078 | hydrogen ion transmembrane transporter activity | Catalysis of the transfer of hydrogen ions from one side of a membrane to the other. | 20 |
| GO:0009672 | auxin:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: auxin(out) + H+(out) = auxin(in) + H+(in). | 20 |
| GO:0015326 | cationic amino acid transmembrane transporter activity | Catalysis of the transfer of a positively charged amino acid from one side of the membrane to the other. | 20 |
| GO:0015410 | manganese-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Mn2+(out) = ADP + phosphate + Mn2+(in). | 20 |
| GO:0009674 | potassium:sodium symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: K+(out) + Na+(out) = K+(in) + Na+(in). | 20 |
| GO:0015254 | glycerol channel activity | Catalysis of facilitated diffusion of glycerol (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. | 19 |
| 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. | 19 |
| 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. | 19 |
| 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. | 18 |
| GO:0080138 | borate uptake transmembrane transporter activity | Catalysis of the transfer of borate from the outside of a cell to the inside of the cell across a membrane. | 18 |
| GO:0005338 | nucleotide-sugar transmembrane transporter activity | Catalysis of the transfer of a nucleotide-sugar from one side of the membrane to the other. A nucleotide-sugar is any nucleotide in which the distal phosphoric residue of a nucleoside 5'-diphosphate is in glycosidic linkage with a monosaccharide or monosaccharide derivative. | 18 |
| GO:0008517 | folic acid transporter activity | Enables the directed movement of folic acid (pteroylglutamic acid) into, out of or within a cell, or between cells. Folic acid is widely distributed as a member of the vitamin B complex and is essential for the synthesis of purine and pyrimidines. | 17 |
| GO:0046715 | borate transmembrane transporter activity | Catalysis of the transport of borate across a membrane against the concentration gradient. | 17 |
| 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. | 17 |
| GO:0050833 | pyruvate transmembrane transporter activity | Catalysis of the transfer of pyruvate, 2-oxopropanoate, from one side of the membrane to the other. | 17 |
| GO:0005261 | cation channel activity | Catalysis of the energy-independent passage of cations across a lipid bilayer down a concentration gradient. | 17 |
| GO:0015271 | outward rectifier potassium channel activity | Catalysis of the transmembrane transfer of a potassium ion by an outwardly-rectifying voltage-gated channel. An outwardly rectifying current-voltage relation is one where at any given driving force the outward flow of K+ ions exceeds the inward flow for the opposite driving force. | 16 |
| GO:0008520 | L-ascorbate:sodium symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ascorbate(out) + Na+(out) = ascorbate(in) + Na+(in). | 16 |
| GO:0005385 | zinc ion transmembrane transporter activity | Catalysis of the transfer of zinc (Zn) ions from one side of a membrane to the other. | 16 |
| GO:0030504 | inorganic diphosphate transmembrane transporter activity | Catalysis of the transfer of inorganic diphosphate across a membrane. | 16 |
| GO:0046964 | 3'-phosphoadenosine 5'-phosphosulfate transmembrane transporter activity | Catalysis of the transfer of 3'-phosphoadenosine 5'-phosphosulfate, a naturally occurring mixed anhydride synthesized from adenosine 5'-phosphosulfate, from one side of a membrane to the other. | 16 |
| GO:0005216 | ion channel activity | Catalysis of facilitated diffusion of an ion (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. | 15 |
| GO:0034041 | sterol-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + sterol(in) = ADP + phosphate + sterol(out). | 15 |
| GO:0015185 | gamma-aminobutyric acid transmembrane transporter activity | Catalysis of the transfer of gamma-aminobutyric acid from one side of a membrane to the other. Gamma-aminobutyric acid is 4-aminobutyrate (GABA). | 15 |
| GO:0005310 | dicarboxylic acid transmembrane transporter activity | Catalysis of the transfer of dicarboxylic acids from one side of the membrane to the other. A dicarboxylic acid is an organic acid with two COOH groups. | 15 |
| GO:0034437 | glycoprotein transporter activity | Enables the directed movement of a glycoprotein, any protein that contains covalently bound glycose (i.e. monosaccharide) residues, into, out of or within a cell, or between cells. | 15 |
| GO:0015103 | inorganic anion transmembrane transporter activity | Catalysis of the transfer of inorganic anions from one side of a membrane to the other. Inorganic anions are atoms or small molecules with a negative charge which do not contain carbon in covalent linkage. | 15 |
| GO:0015437 | lipopolysaccharide-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + lipopolysaccharide(in) = ADP + phosphate + lipopolysaccharide(out). | 15 |
| GO:0015619 | thiamine pyrophosphate-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + thiamine pyrophosphate(out) = ADP + phosphate + thiamine pyrophosphate(in). | 14 |
| GO:0008324 | cation transmembrane transporter activity | Catalysis of the transfer of cation from one side of the membrane to the other. | 14 |
| GO:0015093 | ferrous iron transmembrane transporter activity | Catalysis of the transfer of ferrous iron (Fe(II) or Fe2+) ions from one side of a membrane to the other. | 14 |
| GO:0015319 | sodium:inorganic phosphate symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Na+(out) + inorganic phosphate(out) = Na+(in) + inorganic phosphate(in). | 14 |
| GO:0009670 | triose-phosphate:phosphate antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: triose-phosphate(out) + phosphate(in) = triose-phosphate(in) + phosphate(out). | 14 |
| GO:0010542 | nitrate efflux transmembrane transporter activity | Catalysis of the transfer of nitrate from the inside of the cell to the outside of the cell across a membrane. | 14 |
| GO:0015117 | thiosulfate transmembrane transporter activity | Catalysis of the transfer of thiosulfate ions, S2O3(2-), from one side of a membrane to the other. | 14 |
| GO:0008320 | protein transmembrane transporter activity | Catalysis of the transfer of a protein from one side of a membrane to the other. | 13 |
| GO:0010486 | manganese:hydrogen antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Mn2+(in) + H+(out) = Mn2+(out) + H+(in). | 13 |
| GO:0046873 | metal ion transmembrane transporter activity | Catalysis of the transfer of metal ions from one side of a membrane to the other. | 13 |
| GO:0017077 | oxidative phosphorylation uncoupler activity | Catalysis of the transfer of protons from mitochondrial intermembrane space into mitochondrial matrix, dissipating the proton gradient across the mitochondrial inner membrane established by the electron transport chain during the oxidative phosphorylation (proton leak). Proton leak uncouples the processes of electron transport/proton generation and ATP synthesis. | 13 |
| GO:0015291 | secondary active transmembrane transporter activity | Catalysis of the transfer of a solute from one side of a membrane to the other, up its concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction and is driven by a chemiosmotic source of energy. Chemiosmotic sources of energy include uniport, symport or antiport. | 13 |
| GO:0015321 | sodium-dependent phosphate transmembrane transporter activity | Catalysis of the transfer of phosphate (PO4 3-) ions from one side of a membrane to the other, requiring sodium ions. | 13 |
| GO:0005364 | maltose:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: maltose(out) + H+(out) = maltose(in) + H+(in). | 12 |
| GO:0009678 | hydrogen-translocating pyrophosphatase activity | Catalysis of the hydrolysis of pyrophosphate, which generates a proton motive force. | 12 |
| GO:0042950 | salicin transmembrane transporter activity | Catalysis of the transfer of salicin (saligenin-beta-D-glucopyranoside), a glucoside of o-hydroxybenzylalcohol, from one side of the membrane to the other. | 12 |
| GO:0015207 | adenine transmembrane transporter activity | Catalysis of the transfer of adenine, 6-aminopurine, from one side of a membrane to the other. | 12 |
| GO:0015116 | sulfate transmembrane transporter activity | Catalysis of the transfer of sulfate ions, SO4(2-), from one side of a membrane to the other. | 12 |
| GO:0015129 | lactate transmembrane transporter activity | Catalysis of the transfer of lactate from one side of the membrane to the other. Lactate is 2-hydroxypropanoate, CH3-CHOH-COOH; L(+)-lactate is formed by anaerobic glycolysis in animal tissues, and DL-lactate is found in sour milk, molasses and certain fruit juices. | 12 |
| GO:0004008 | copper-exporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Cu2+(in) -> ADP + phosphate + Cu2+(out). | 12 |
| GO:0004129 | cytochrome-c oxidase activity | Catalysis of the reaction: 4 ferrocytochrome c + O2 + 4 H+ = 4 ferricytochrome c + 2 H2O. | 12 |
| GO:0009671 | nitrate:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: nitrate(out) + H+(out) = nitrate(in) + H+(in). | 12 |
| GO:0015398 | high affinity secondary active ammonium transmembrane transporter activity | Catalysis of the transfer of ammonium from one side of a membrane to the other, up its concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction and is driven by a chemiosmotic source of energy. Chemiosmotic sources of energy include uniport, symport or antiport. In high affinity transport the transporter is able to bind the solute even if it is only present at very low concentrations. | 11 |
| 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. | 11 |
| GO:0015083 | aluminum ion transmembrane transporter activity | Catalysis of the transfer of aluminum (Al) ions from one side of a membrane to the other. | 11 |
| GO:0015125 | bile acid transmembrane transporter activity | Catalysis of the transfer of bile acid from one side of the membrane to the other. Bile acids are any of a group of steroid carboxylic acids occurring in bile, where they are present as the sodium salts of their amides with glycine or taurine. | 11 |
| GO:0015193 | L-proline transmembrane transporter activity | Catalysis of the transfer of L-proline from one side of a membrane to the other. L-proline is pyrrolidine-2-carboxylic acid. | 11 |
| GO:0015137 | citrate transmembrane transporter activity | Catalysis of the transfer of citrate, 2-hydroxy-1,2,3-propanetricarboyxlate, from one side of the membrane to the other. | 11 |
| GO:0005462 | UDP-N-acetylglucosamine transmembrane transporter activity | Catalysis of the transfer of a UDP-N-acetylglucosamine from one side of the membrane to the other. N-acetylglucosamine is a substance composed of N-acetylglucosamine, a common structural unit of oligosaccharides, in glycosidic linkage with uridine diphosphate. | 11 |
| GO:0008121 | ubiquinol-cytochrome-c reductase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c + 2 H+. | 11 |
| GO:0016820 | hydrolase activity, acting on acid anhydrides, catalyzing transmembrane movement of substances | Catalysis of the hydrolysis of an acid anhydride to directly drive the transport of a substance across a membrane. | 11 |
| GO:1901683 | arsenate ion transmembrane transporter activity | Catalysis of the transfer of an arsenate ion from one side of the membrane to the other. | 10 |
| GO:0015227 | acyl carnitine transmembrane transporter activity | Enables the directed movement of acyl carnitine across a membrane. Acyl carnitine is the condensation product of a carboxylic acid and carnitine and is the transport form for a fatty acid crossing the mitochondrial membrane. | 10 |
| GO:0051980 | iron-nicotianamine transmembrane transporter activity | Catalysis of the transfer of the iron chelate iron-nicotianamine (Fe-NA) from one side of a membrane to the other. | 10 |
| GO:0015415 | phosphate ion transmembrane-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + phosphate(out) = ADP + phosphate + phosphate(in). | 10 |
| GO:0015211 | purine nucleoside transmembrane transporter activity | Catalysis of the transfer of a purine nucleoside, a purine base covalently bonded to a ribose or deoxyribose sugar, from one side of a membrane to the other. | 10 |
| GO:0015368 | calcium:cation antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Ca2+(in) + cation(out) = Ca2+(out) + cation(in). | 10 |
| GO:0005319 | lipid transporter activity | Enables the directed movement of lipids into, out of or within a cell, or between cells. | 10 |
| GO:0015085 | calcium ion transmembrane transporter activity | Catalysis of the transfer of calcium (Ca) ions from one side of a membrane to the other. | 10 |
| GO:0005314 | high-affinity glutamate transmembrane transporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: glutamate(out) + H+(out) = glutamate(in) + H+(in). | 10 |
| GO:0015180 | L-alanine transmembrane transporter activity | Catalysis of the transfer of L-alanine from one side of a membrane to the other. L-alanine is the L-enantiomer of 2-aminopropanoic acid. | 9 |
| GO:0010175 | sphingosine transmembrane transporter activity | Catalysis of the transfer of amino alcohol sphingosine from one side of the membrane to the other. | 9 |
| GO:0042947 | glucoside transmembrane transporter activity | Catalysis of the transfer of glucosides from one side of the membrane to the other. Glucosides are glycosides in which the sugar group is a glucose residue. | 9 |
| GO:0046943 | carboxylic acid transmembrane transporter activity | Catalysis of the transfer of carboxylic acids from one side of the membrane to the other. Carboxylic acids are organic acids containing one or more carboxyl (COOH) groups or anions (COO-). | 9 |
| GO:0009977 | proton motive force dependent protein transmembrane transporter activity | Catalysis of the transfer of proteins from one side of the membrane to the other. Transportation is dependent on pH gradient across the membrane. | 9 |
| GO:0019531 | oxalate transmembrane transporter activity | Catalysis of the transfer of oxalate from one side of the membrane to the other. Oxalate, or ethanedioic acid, occurs in many plants and is highly toxic to animals. | 9 |
| GO:0005427 | proton-dependent oligopeptide secondary active transmembrane transporter activity | Catalysis of the transfer of a oligopeptide from one side of a membrane to the other, up its concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction and is driven by proton movement. | 9 |
| GO:0017089 | glycolipid transporter activity | Enables the directed movement of glycolipids, compounds containing (usually) 1-4 linked monosaccharide residues joined by a glycosyl linkage to a lipid, into, out of or within a cell, or between cells. | 9 |
| GO:0005371 | tricarboxylate secondary active transmembrane transporter activity | Catalysis of the transfer of tricarboxylate from one side of a membrane to the other, up its concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction and is driven by a chemiosmotic source of energy. Chemiosmotic sources of energy include uniport, symport or antiport. | 9 |
| GO:0019829 | cation-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + cation(out) = ADP + phosphate + cation(in). | 9 |
| GO:0005452 | inorganic anion exchanger activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: inorganic anion A(out) + inorganic anion B(in) = inorganic anion A(in) + inorganic anion B(out). | 9 |
| GO:0015141 | succinate transmembrane transporter activity | Catalysis of the transfer of succinate, the dianion of ethane dicarboxylic acid, from one side of the membrane to the other. | 9 |
| GO:0015165 | pyrimidine nucleotide-sugar transmembrane transporter activity | Catalysis of the transfer of a pyrimidine nucleotide-sugar from one side of the membrane to the other. Pyrimidine nucleotide-sugars are pyrimidine nucleotides in glycosidic linkage with a monosaccharide or monosaccharide derivative. | 9 |
| GO:0015131 | oxaloacetate transmembrane transporter activity | Catalysis of the transfer of oxaloacetate, the anion of oxobutanedioic acid, from one side of the membrane to the other. | 8 |
| GO:0005461 | UDP-glucuronic acid transmembrane transporter activity | Catalysis of the transfer of a UDP-glucuronic acid from one side of the membrane to the other. UDP-glucuronic acid is a substance composed of glucuronic acid in glycosidic linkage with uridine diphosphate. | 8 |
| GO:0080139 | borate efflux transmembrane transporter activity | Catalysis of the transfer of borate from the inside of the cell to the outside of the cell across a membrane. | 8 |
| GO:0015295 | solute:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: solute(out) + H+(out) = solute(in) + H+(in). | 8 |
| GO:0015081 | sodium ion transmembrane transporter activity | Catalysis of the transfer of sodium ions (Na+) from one side of a membrane to the other. | 8 |
| 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. | 8 |
| 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. | 8 |
| GO:0015142 | tricarboxylic acid transmembrane transporter activity | Catalysis of the transfer of tricarboxylic acids from one side of the membrane to the other. Tricarboxylic acid are organic acids with three COOH groups. | 8 |
| GO:0008509 | anion transmembrane transporter activity | Catalysis of the transfer of a negatively charged ion from one side of a membrane to the other. | 8 |
| GO:0005345 | purine nucleobase transmembrane transporter activity | Catalysis of the transfer of purine nucleobases, one of the two classes of nitrogen-containing ring compounds found in DNA and RNA, from one side of a membrane to the other. | 8 |
| 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. | 8 |
| GO:0005464 | UDP-xylose transmembrane transporter activity | Catalysis of the transfer of UDP-xylose from one side of the membrane to the other. UDP-xylose is a substance composed of xylose in glycosidic linkage with uridine diphosphate. | 8 |
| GO:0015203 | polyamine transmembrane transporter activity | Catalysis of the transfer of polyamines, organic compounds containing two or more amino groups, from one side of the membrane to the other. | 8 |
| 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. | 8 |
| GO:0015230 | FAD transmembrane transporter activity | Enables the directed movement of flavin-adenine dinucleotide (FAD) across a membrane into, out of or within a cell, or between cells. FAD forms the coenzyme of the prosthetic group of various flavoprotein oxidoreductase enzymes, in which it functions as an electron acceptor by being reversibly converted to its reduced form. | 7 |
| GO:0044610 | FMN transmembrane transporter activity | Enables the directed movement of flavine mononucleotide (FMN) into, out of or within a cell, or between cells. | 7 |
| GO:0034634 | glutathione transmembrane transporter activity | Enables the directed movement of glutathione, the tripeptide glutamylcysteinylglycine, across a membrane into, out of or within a cell, or between cells. | 7 |
| GO:0015089 | high affinity copper ion transmembrane transporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Cu2+(out) = Cu2+(in). | 7 |
| GO:1901682 | sulfur compound transmembrane transporter activity | Catalysis of the transfer of a sulfur compound from one side of the membrane to the other. | 7 |
| GO:0015462 | protein-transmembrane transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + protein(out) = ADP + phosphate + protein(in). | 7 |
| GO:0005267 | potassium channel activity | Catalysis of facilitated diffusion of a potassium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. | 7 |
| GO:0015433 | peptide antigen-transporting ATPase activity | Catalysis of the reaction: peptide antigen(in) + ATP = peptide antigen(out) + ADP + phosphate. | 7 |
| GO:0010328 | auxin influx transmembrane transporter activity | Catalysis of the transfer of auxin, from one side of a membrane to the other, into a cell. | 7 |
| GO:0005245 | voltage-gated calcium channel activity | Catalysis of the transmembrane transfer of a calcium ion by a voltage-gated channel. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded. | 7 |
| GO:0000064 | L-ornithine transmembrane transporter activity | Catalysis of the transfer of L-ornithine from one side of a membrane to the other. L-ornithine is 2,5-diaminopentanoic acid. | 7 |
| GO:0051119 | sugar transmembrane transporter activity | Catalysis of the transfer of a sugar from one side of the membrane to the other. A sugar is any member of a class of sweet, water-soluble, crystallizable carbohydrates, which are the monosaccharides and smaller oligosaccharides. | 7 |
| GO:0022804 | active transmembrane transporter activity | Catalysis of the transfer of a specific substance or related group of substances from one side of a membrane to the other, up the solute's concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction. | 6 |
| GO:0015432 | bile acid-exporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: bile acid(in) + ATP + H2O -> bile acid(out) + ADP + phosphate. | 6 |
| GO:0015148 | D-xylose transmembrane transporter activity | Catalysis of the transfer of D-xylose from one side of the membrane to the other. D-xylose (the naturally occurring enantiomer is always D-) is a constituent of plant polysaccharides. | 6 |
| GO:0015099 | nickel cation transmembrane transporter activity | Catalysis of the transfer of nickel (Ni) cations from one side of a membrane to the other. | 6 |
| GO:0015088 | copper uptake transmembrane transporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Cu+(out) = Cu+(in). | 6 |
| GO:0015126 | canalicular bile acid transmembrane transporter activity | The directed movement of bile acid and bile salts out of a hepatocyte and into the bile canaliculus by means of an agent such as a transporter or pore. Bile canaliculi are the thin tubes formed by hepatocyte membranes. Bile acids are any of a group of steroid carboxylic acids occurring in bile, where they are present as the sodium salts of their amides with glycine or taurine. | 6 |
| GO:0055054 | fructose:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: fructose + H+ = fructose + H+. | 6 |
| GO:0005247 | voltage-gated chloride channel activity | Catalysis of the transmembrane transfer of a chloride ion by a voltage-gated channel. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded. | 6 |
| GO:0008525 | phosphatidylcholine transporter activity | Enables the directed movement of phosphatidylcholine into, out of or within a cell, or between cells. Phosphatidylcholine refers to a class of glycerophospholipids in which the phosphatidyl group is esterified to the hydroxyl group of choline. | 6 |
| GO:0042951 | arbutin transmembrane transporter activity | Catalysis of the transfer of arbutin, a glycoside found in the bearberry and related plants which has been used to treat urinary-tract diseases, from one side of the membrane to the other. | 6 |
| GO:0015301 | anion:anion antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: anion A(out) + anion B(in) = anion A(in) + anion B(out). | 6 |
| GO:0034658 | isopropylmalate transmembrane transporter activity | Catalysis of the transfer of isopropylmalate from one side of the membrane to the other. | 6 |
| GO:0005456 | CMP-N-acetylneuraminate transmembrane transporter activity | Catalysis of the transfer of a CMP-N-acetylneuraminate from one side of the membrane to the other. | 6 |
| GO:0015369 | calcium:hydrogen antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Ca2+(in) + H+(out) = Ca2+(out) + H+(in). | 6 |
| GO:0000227 | oxaloacetate secondary active transmembrane transporter activity | Catalysis of the transfer of oxaloacetate from one side of a membrane to the other, up its concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction and is driven by a chemiosmotic source of energy. Chemiosmotic sources of energy include uniport, symport or antiport. | 6 |
| GO:0015226 | carnitine transmembrane transporter activity | Enables the directed movement of carnitine across a membrane. Carnitine is a compound that participates in the transfer of acyl groups across the inner mitochondrial membrane. | 6 |
| GO:0015269 | calcium-activated potassium channel activity | Catalysis of the calcium concentration-regulatable energy-independent passage of potassium ions across a lipid bilayer down a concentration gradient. | 6 |
| GO:0008554 | sodium-exporting ATPase activity, phosphorylative mechanism | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Na+(in) -> ADP + phosphate + Na+(out); by a phosphorylative mechanism. | 6 |
| GO:0008493 | tetracycline transporter activity | Enables the directed movement of tetracycline into, out of or within a cell, or between cells. Tetracycline is a broad spectrum antibiotic that blocks binding of aminoacyl tRNA to the ribosomes of both Gram-positive and Gram-negative organisms (and those of organelles). | 6 |
| GO:0005375 | copper ion transmembrane transporter activity | Catalysis of the transfer of copper (Cu) ions from one side of a membrane to the other. | 6 |
| GO:0015421 | oligopeptide-transporting ATPase activity | Catalysis of the reaction: ATP + H2O + oligopeptide(out) = ADP + phosphate + oligopeptide(in). | 6 |
| GO:0015367 | oxoglutarate:malate antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: oxoglutarate(out) + malate(in) = oxoglutarate(in) + malate(out). | 6 |
| GO:0086039 | calcium-transporting ATPase activity involved in regulation of cardiac muscle cell membrane potential | Catalysis of the transfer of a solute or solutes from one side of a cardiac muscle cell plasma membrane to the other according to the reaction: ATP + H2O + Ca2+(cis) = ADP + phosphate + Ca2+(trans). The transfer contributes to the regulation of the plasma membrane potential. | 5 |
| GO:0005049 | nuclear export signal receptor activity | Combining with a nuclear export signal (NES) to mediate transport of the NES-containing protein through the nuclear pore to the cytoplasm. | 5 |
| GO:0005487 | nucleocytoplasmic transporter activity | Enables the directed movement of substances between the nucleus and the cytoplasm of a cell. | 5 |
| GO:0015075 | ion transmembrane transporter activity | Catalysis of the transfer of an ion from one side of a membrane to the other. | 5 |
| GO:0015350 | methotrexate transporter activity | Enables the directed movement of methotrexate, 4-amino-10-methylformic acid, into, out of or within a cell, or between cells. Methotrexate is a folic acid analogue and a potent competitive inhibitor of dihydrofolate reductase. | 5 |
| GO:0015932 | nucleobase-containing compound transmembrane transporter activity | Catalysis of the transfer of nucleobases, nucleosides, nucleotides and nucleic acids from one side of a membrane to the other. | 5 |
| GO:0015179 | L-amino acid transmembrane transporter activity | Catalysis of the transfer of an L-amino acid from one side of a membrane to the other. L-amino acids are the L-enantiomers of amino acids. | 5 |
| GO:0015293 | symporter activity | Enables the active transport of a solute across a membrane by a mechanism whereby two or more species are transported together in the same direction in a tightly coupled process not directly linked to a form of energy other than chemiosmotic energy. | 5 |
| GO:0005221 | intracellular cyclic nucleotide activated cation channel activity | Catalysis of the transmembrane transfer of a cation by a channel that opens when intracellular cyclic nucleotide has been bound by the channel complex or one of its constituent parts. | 5 |
| GO:0015284 | fructose uniporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: fructose(out) = fructose(in). | 5 |
| GO:0005337 | nucleoside transmembrane transporter activity | Catalysis of the transfer of a nucleoside, a nucleobase linked to either beta-D-ribofuranose (ribonucleoside) or 2-deoxy-beta-D-ribofuranose, (a deoxyribonucleotide) from one side of a membrane to the other. | 5 |
| GO:0015145 | monosaccharide transmembrane transporter activity | Catalysis of the transfer of a monosaccharide from one side of a membrane to the other. | 5 |
| GO:0005436 | sodium:phosphate symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Na+(out) + phosphate(out) = Na+(in) + phosphate(in). | 5 |
| GO:0015087 | cobalt ion transmembrane transporter activity | Catalysis of the transfer of cobalt (Co) ions from one side of a membrane to the other. | 5 |
| GO:0005280 | hydrogen:amino acid symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: amino acid(out) + H+(out) = amino acid(in) + H+(in). | 5 |
| GO:0005476 | carnitine:acyl carnitine antiporter activity | Catalysis of the reaction: carnitine (mitochondrial) + acyl carnitine (cytoplasm) = carnitine (cytoplasm) + acyl carnitine (mitochondrial). | 5 |
| GO:0015143 | urate transmembrane transporter activity | Catalysis of the transfer of urate from one side of the membrane to the other. Urate is the anion of uric acid, 2,6,8-trioxypurine, the end product of purine metabolism in certain mammals and the main excretory product in uricotelic animals. | 4 |
| GO:0015183 | L-aspartate transmembrane transporter activity | Catalysis of the transfer of L-aspartate from one side of a membrane to the other. L-aspartate is the anion derived from aspartic acid. | 4 |
| GO:0005342 | organic acid transmembrane transporter activity | Catalysis of the transfer of organic acids, any acidic compound containing carbon in covalent linkage, from one side of the membrane to the other. | 4 |
| GO:0034040 | lipid-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + lipid(in) = ADP + phosphate + lipid(out). | 4 |
| GO:0005302 | L-tyrosine transmembrane transporter activity | Catalysis of the transfer of L-tyrosine from one side of a membrane to the other. L-tyrosine is 2-amino-3-(4-hydroxyphenyl)propanoic acid. | 4 |
| GO:0015434 | cadmium-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Cd (cytosol) = ADP + phosphate + Cd (vacuole). | 4 |
| GO:0015186 | L-glutamine transmembrane transporter activity | Catalysis of the transfer of L-glutamine from one side of a membrane to the other. L-glutamine is 2-amino-4-carbamoylbutanoic acid. | 4 |
| GO:0015100 | vanadium ion transmembrane transporter activity | Catalysis of the transfer of vanadium (V) ions from one side of a membrane to the other. | 4 |
| GO:0015173 | aromatic amino acid transmembrane transporter activity | Catalysis of the transfer of aromatic amino acids from one side of a membrane to the other. Aromatic amino acids have an aromatic ring. | 4 |
| GO:0015440 | peptide-transporting ATPase activity | Catalysis of the reaction: ATP + H2O + peptide(in) = ADP + phosphate + peptide(out). Peptides exported include alpha-hemolysin, cyclolysin, colicin V and siderophores from Gram-negative bacteria, and bacteriocin, subtilin, competence factor and pediocin from Gram-positive bacteria. | 4 |
| GO:0015527 | glycerol-phosphate:inorganic phosphate antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: glycerol phosphate(out) + inorganic phosphate(in) = glycerol phosphate(in) + inorganic phosphate(out). | 4 |
| GO:0090422 | thiamine pyrophosphate transporter activity | Enables the directed movement of thiamine pyrophosphate into, out of or within a cell, or between cells. | 4 |
| GO:0022843 | voltage-gated cation channel activity | Catalysis of the transmembrane transfer of a cation by a voltage-gated channel. A cation is a positively charged ion. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded. | 4 |
| GO:0022839 | ion gated channel activity | Catalysis of the transmembrane transfer of a solute by a channel that opens in response to a specific ion stimulus. | 4 |
| GO:0010348 | lithium:hydrogen antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Li+(in) + H+(out) = Li+(out) + H+(in). | 4 |
| GO:0051139 | metal ion:hydrogen antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: metal ion(in) + H+(out) = metal ion(out) + H+(in). | 3 |
| GO:0015591 | D-ribose transmembrane transporter activity | Catalysis of the transfer of D-ribose from one side of the membrane to the other. As beta-D-ribofuranose, D-ribose forms the glycose group of all ribonucleosides, ribonucleotides and ribonucleic acids, and also of ribose phosphates, various glycosides, some coenzymes and some forms of vitamin B12. | 3 |
| GO:0043682 | copper-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Cu2+ = ADP + phosphate + Cu2+, directly driving the transport of the copper ions across a membrane. | 3 |
| GO:0015633 | zinc transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Zn2+(out) = ADP + phosphate + Zn2+(in). | 3 |
| GO:0015166 | polyol transmembrane transporter activity | Catalysis of the transfer of a polyol from one side of the membrane to the other. A polyol is any polyhydric alcohol. | 3 |
| GO:0003957 | NAD(P)+ transhydrogenase (B-specific) activity | Catalysis of the reaction: NADPH + H+ + NAD+ = NADP+ + NADH + H+, driving the transfer of a solute or solutes from one side of a membrane to the other. In the course of the reaction (left to right) one H atom is transferred from inside the cell to outside. The reaction is B-specific (i.e. the pro-S hydrogen is transferred from the 4-position of reduced nicotinamide cofactor) with respect to both NAD+ and NADP+. | 3 |
| GO:0015149 | hexose transmembrane transporter activity | Catalysis of the transfer of a hexose sugar, a monosaccharide with 6 carbon atoms, from one side of a membrane to the other. | 3 |
| GO:0015267 | channel activity | Catalysis of energy-independent facilitated diffusion, mediated by passage of a solute through a transmembrane aqueous pore or channel. Stereospecificity is not exhibited but this transport may be specific for a particular molecular species or class of molecules. | 3 |
| GO:0005249 | voltage-gated potassium channel activity | Catalysis of the transmembrane transfer of a potassium ion by a voltage-gated channel. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded. | 3 |
| GO:0015187 | glycine transmembrane transporter activity | Catalysis of the transfer of glycine from one side of a membrane to the other. Glycine is aminoethanoic acid. | 3 |
| GO:0005344 | oxygen transporter activity | Enables the directed movement of oxygen into, out of or within a cell, or between cells. | 3 |
| GO:0015320 | phosphate ion carrier activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: phosphate (cyt) + H+ (cyt) = phosphate (mitochondrion) + H+ (mitochondrion). | 3 |
| GO:0015576 | sorbitol transmembrane transporter activity | Catalysis of the transfer of sorbitol from one side of the membrane to the other. Sorbitol, also known as glucitol, is the hexitol derived by the reduction of the aldehyde group of glucose. | 3 |
| GO:0008508 | bile acid:sodium symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: bile acid(out) + Na+(out) = bile acid(in) + Na+(in). | 3 |
| GO:0008028 | monocarboxylic acid transmembrane transporter activity | Catalysis of the transfer of monocarboxylic acids from one side of the membrane to the other. A monocarboxylic acid is an organic acid with one COOH group. | 3 |
| GO:0015215 | nucleotide transmembrane transporter activity | Catalysis of the transfer of a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate, from one side of a membrane to the other. | 3 |
| GO:0015231 | 5-formyltetrahydrofolate transporter activity | Enables the directed movement of 5-formyltetrahydrofolate, the formylated derivative of tetrahydrofolate, into, out of, within, or between cells. | 3 |
| GO:0000095 | S-adenosyl-L-methionine transmembrane transporter activity | Catalysis of the transfer of S-adenosylmethionine from one side of a membrane to the other. S-adenosylmethionine is S-(5'-adenosyl)-L-methionine, an important intermediate in one-carbon metabolism. | 3 |
| GO:1901584 | tetrapeptide transmembrane transporter activity | Catalysis of the transfer of tetrapeptide from one side of the membrane to the other. | 3 |
| GO:0015094 | lead ion transmembrane transporter activity | Catalysis of the transfer of lead (Pb) ions from one side of a membrane to the other. | 3 |
| GO:0015294 | solute:cation symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: solute(out) + cation(out) = solute(in) + cation(in). | 3 |
| GO:0010174 | nucleoside transmembrane transporter activity, against a concentration gradient | Catalysis of the transfer of a nucleoside, from one side of a membrane to the other, up a concentration gradient. | 3 |
| GO:0008511 | sodium:potassium:chloride symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Na+(out) + K+(out) + Cl-(out) = Na+(in) + K+(in) + Cl-(in). | 3 |
| GO:0010292 | GTP:GDP antiporter activity | Catalysis of the reaction: GTP(out) + GDP(in) = GTP(in) + GDP(out). | 3 |
| GO:0015575 | mannitol transmembrane transporter activity | Catalysis of the transfer of mannitol from one side of the membrane to the other. Mannitol is the alditol derived from D-mannose by reduction of the aldehyde group. | 3 |
| GO:0005432 | calcium:sodium antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: Ca2+(in) + Na+(out) = Ca2+(out) + Na+(in). | 3 |
| GO:0070835 | chromium ion transmembrane transporter activity | Catalysis of the transfer of chromium (Cr) ions from one side of a membrane to the other. | 3 |
| GO:0042625 | ATPase activity, coupled to transmembrane movement of ions | Catalysis of the transfer of an ion from one side of a membrane to the other, driven by the reaction: ATP + H2O = ADP + phosphate. | 2 |
| GO:0000295 | adenine nucleotide transmembrane transporter activity | Catalysis of the transfer of adenine nucleotides (AMP, ADP, and ATP) from one side of the membrane to the other. | 2 |
| GO:0015505 | uracil:cation symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: uracil(out) + cation(out) = uracil(in) + cation(in). | 2 |
| GO:0015190 | L-leucine transmembrane transporter activity | Catalysis of the transfer of L-leucine from one side of a membrane to the other. L-leucine is 2-amino-4-methylpentanoic acid. | 2 |
| GO:0015572 | N-acetylglucosamine transmembrane transporter activity | Catalysis of the transfer of N-acetylglucosamine from one side of the membrane to the other. The D isomer of N-acetylglucosamine is a common structural unit of glycoproteins in plants, bacteria and animals; it is often the terminal sugar of an oligosaccharide group of a glycoprotein. | 2 |
| GO:0015379 | potassium:chloride symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: K+(out) + Cl-(out) = K+(in) + Cl-(in). | 2 |
| GO:0005372 | water transmembrane transporter activity | Enables the directed movement of water (H2O) from one side of a membrane to the other. | 2 |
| GO:0005274 | allantoin uptake transmembrane transporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: allantoin(out) + H+(out) = allantoin(in) + H+(in) by secondary active transport. | 2 |
| GO:0015182 | L-asparagine transmembrane transporter activity | Catalysis of the transfer of L-asparagine from one side of a membrane to the other. L-asparagine is the L-enantiomer of alpha-aminosuccinamic acid. | 2 |
| GO:0015651 | quaternary ammonium group transmembrane transporter activity | Catalysis of the transfer of quaternary ammonium groups from one side of a membrane to the other. Quaternary ammonium groups are any compound that can be regarded as derived from ammonium hydroxide or an ammonium salt by replacement of all four hydrogen atoms of the NH4+ ion by organic groups. | 2 |
| GO:0015139 | alpha-ketoglutarate transmembrane transporter activity | Catalysis of the transfer of alpha-ketoglutarate from one side of the membrane to the other. Alpha-ketoglutarate (or oxoglutarate) is a compound with important roles in carbohydrate and amino acid metabolism, especially in transamination reactions and as a component of the TCA cycle. | 2 |
| GO:0015370 | solute:sodium symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: solute(out) + Na+(out) = solute(in) + Na+(in). | 2 |
| GO:0005254 | chloride channel activity | Catalysis of facilitated diffusion of a chloride (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. | 2 |
| GO:1901474 | azole transmembrane transporter activity | Catalysis of the transfer of azole from one side of the membrane to the other. | 2 |
| GO:0008381 | mechanically-gated ion channel activity | Catalysis of the transmembrane transfer of an ion by a channel that opens in response to a mechanical stress. | 2 |
| GO:0015194 | L-serine transmembrane transporter activity | Catalysis of the transfer of L-serine from one side of a membrane to the other. L-serine is the L-enantiomer of 2-amino-3-hydroxypropanoic acid. | 2 |
| GO:0042907 | xanthine transmembrane transporter activity | Catalysis of the transfer of xanthine from one side of a membrane to the other. Xanthine (2,6-dihydroxypurine) is a purine formed in the metabolic breakdown of guanine, but is not present in nucleic acids. | 2 |
| GO:0015191 | L-methionine transmembrane transporter activity | Catalysis of the transfer of L-methionine from one side of a membrane to the other. L-methionine is 2-amino-4-(methylthio)butanoic acid. | 2 |
| GO:0015098 | molybdate ion transmembrane transporter activity | Catalysis of the transfer of molybdate (MoO4 2-) ions from one side of a membrane to the other. Molybdate is the bivalent anion derived from molybdic acid. | 2 |
| GO:1901505 | carbohydrate derivative transporter activity | Enables the directed movement of carbohydrate derivative into, out of or within a cell, or between cells. | 2 |
| GO:0005219 | ryanodine-sensitive calcium-release channel activity | Catalysis of the transmembrane transfer of a calcium ion by a channel that opens when a ryanodine class ligand has been bound by the channel complex or one of its constituent parts. | 2 |
| GO:0031459 | glycine betaine-transporting ATPase activity | Catalysis of the reaction: ATP + H2O + glycine betaine(out) = ADP + phosphate + glycine betaine(in). | 1 |
| GO:0008555 | chloride-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Cl-(out) = ADP + phosphate + Cl-(in). | 1 |
| GO:0015157 | oligosaccharide transmembrane transporter activity | Catalysis of the transfer of oligosaccharide from one side of the membrane to the other. | 1 |
| GO:0015424 | amino acid-transporting ATPase activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + amino acid(out/in) = ADP + phosphate + amino acid(in/out). | 1 |
| GO:0080161 | auxin transmembrane transporter activity | Catalysis of the transfer of auxins from one side of the membrane to the other. Auxins are plant hormones that regulate aspects of plant growth. | 1 |
| GO:0015218 | pyrimidine nucleotide transmembrane transporter activity | Catalysis of the transfer of a pyrimidine nucleotide, any compound consisting of a pyrimidine nucleoside esterified with (ortho)phosphate, from one side of a membrane to the other. | 1 |
| GO:0015391 | nucleobase:cation symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: nucleobase(out) + cation(out) = nucleobase(in) + cation(in). | 1 |
| GO:0022890 | inorganic cation transmembrane transporter activity | Catalysis of the transfer of inorganic cations from one side of a membrane to the other. Inorganic cations are atoms or small molecules with a positive charge that do not contain carbon in covalent linkage. | 1 |
| GO:0005329 | dopamine transmembrane transporter activity | Catalysis of the transfer of dopamine from one side of the membrane to the other. Dopamine is a catecholamine neurotransmitter and a metabolic precursor of noradrenaline and adrenaline. | 1 |
| GO:1901677 | phosphate transmembrane transporter activity | Catalysis of the transfer of phosphate from one side of the membrane to the other. | 1 |
| GO:0015169 | glycerol-3-phosphate transmembrane transporter activity | Catalysis of the transfer of glycerol-3-phosphate from one side of the membrane to the other. Glycerol-3-phosphate is a phosphoric monoester of glycerol. | 1 |
| GO:0005244 | voltage-gated ion channel activity | Catalysis of the transmembrane transfer of an ion by a voltage-gated channel. An ion is an atom or group of atoms carrying an electric charge by virtue of having gained or lost one or more electrons. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded. | 1 |
| GO:0015276 | ligand-gated ion channel activity | Catalysis of the transmembrane transfer of an ion by a channel that opens when a specific ligand has been bound by the channel complex or one of its constituent parts. | 1 |
| GO:0005360 | insulin-responsive hydrogen:glucose symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: glucose + H+ = glucose + H+, in response to a stimulus by insulin. Symporter activity enables the active transport of a solute across a membrane by a mechanism whereby two or more species are transported together in the same direction in a tightly coupled process not directly linked to a form of energy other than chemiosmotic energy. | 1 |
| GO:1901618 | organic hydroxy compound transmembrane transporter activity | Catalysis of the transfer of organic hydroxy compound from one side of the membrane to the other. | 1 |
| GO:0022838 | substrate-specific channel activity | Catalysis of energy-independent facilitated diffusion, mediated by passage of a specific solute through a transmembrane aqueous pore or channel. Stereospecificity is not exhibited but this transport may be specific for a particular molecular species or class of molecules. | 1 |
| GO:0005277 | acetylcholine transmembrane transporter activity | Catalysis of the transfer of acetylcholine from one side of the membrane to the other. Acetylcholine is an acetic acid ester of the organic base choline and functions as a neurotransmitter, released at the synapses of parasympathetic nerves and at neuromuscular junctions. | 1 |
| GO:0005451 | monovalent cation:hydrogen antiporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: monovalent cation(out) + H+(in) = monovalent cation(in) + H+(out). | 1 |
| GO:0015144 | carbohydrate transmembrane transporter activity | Catalysis of the transfer of carbohydrate from one side of the membrane to the other. | 1 |
| GO:0015606 | spermidine transmembrane transporter activity | Catalysis of the transfer of spermidine, N-(3-aminopropyl)-1,4-diaminobutane, from one side of the membrane to the other. | 1 |
| GO:0090484 | drug transporter activity | Enables the directed movement of a drug into, out of or within a cell, or between cells. A drug is 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. | 1 |
| 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. | 1 |
| GO:0015317 | phosphate:hydrogen symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: phosphate(out) + H+(out) = phosphate(in) + H+(in). | 1 |
| GO:0005365 | myo-inositol transmembrane transporter activity | Catalysis of the transfer of myo-inositol from one side of the membrane to the other. Myo-inositol is 1,2,3,4,5/4,6-cyclohexanehexol, a growth factor for animals and microorganisms. | 1 |
| GO:0005272 | sodium channel activity | Catalysis of facilitated diffusion of a sodium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. | 1 |
| GO:0015341 | zinc efflux active transmembrane transporter activity | Catalysis of the transfer of a zinc ion or zinc ions from the inside of the cell to the outside of the cell across a membrane: Zn2+(out) = Zn2+(in). The activity is driven by proton motive force. | 1 |
| GO:0015196 | L-tryptophan transmembrane transporter activity | Catalysis of the transfer of L-tryptophan from one side of a membrane to the other. Tryptophan is 2-amino-3-(1H-indol-3-yl)propanoic acid. | 1 |
| GO:0015362 | high affinity sodium:dicarboxylate symporter activity | Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: dicarboxylate(out) + Na+(out) = dicarboxylate(in) + Na+(in). In high affinity transport the transporter is able to bind the solute even if it is only present at very low concentrations. | 1 |
| GO:0097163 | sulfur carrier activity | Enables the directed movement of sulfur into, out of or within a cell, or between cells. | 1 |
| GO:0046624 | sphingolipid transporter activity | Enables the directed movement of sphingolipids into, out of or within a cell, or between cells. Sphingolipids are a class of lipids containing the long-chain amine diol sphingosine or a closely related base (a sphingoid). | 1 |
| GO:0015152 | glucose-6-phosphate transmembrane transporter activity | Catalysis of the transfer of glucose-6-phosphate from one side of the membrane to the other. Glucose-6-phosphate is a monophosphorylated derivative of glucose with the phosphate group attached to C-6. | 1 |
| GO:0015154 | disaccharide transmembrane transporter activity | Catalysis of the transfer of disaccharide from one side of the membrane to the other. | 1 |
| GO:0015077 | monovalent inorganic cation transmembrane transporter activity | Catalysis of the transfer of a inorganic cations with a valency of one from one side of a membrane to the other. Inorganic cations are atoms or small molecules with a positive charge that do not contain carbon in covalent linkage. | 1 |
| GO:0015101 | organic cation transmembrane transporter activity | Catalysis of the transfer of organic cations from one side of a membrane to the other. Organic cations are atoms or small molecules with a positive charge that contain carbon in covalent linkage. | 1 |
| GO:0015277 | kainate selective glutamate receptor activity | An ionotropic glutamate receptor activity that exhibits fast gating by glutamate, acts by opening a cation channel permeable to sodium and potassium, and for which kainate is an agonist. | 1 |
| GO:0015205 | nucleobase transmembrane transporter activity | Catalysis of the transfer of a nucleobase, any nitrogenous base that is a constituent of a nucleoside, nucleotide, or nucleic acidfrom one side of a membrane to the other. | 1 |
| GO:0008262 | importin-alpha export receptor activity | Interacting selectively and non-covalently with importin-alpha to mediate its transfer through the nuclear pore to the cytoplasm. | 1 |
| GO:0005333 | norepinephrine transmembrane transporter activity | Catalysis of the transfer of norepinephrine from one side of the membrane to the other. Norepinephrine (3,4-dihydroxyphenyl-2-aminoethanol) is 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. | 1 |
| GO:0035673 | oligopeptide transmembrane transporter activity | Catalysis of the transfer of oligopeptides from one side of the membrane to the other. | 1 |
| GO:0015266 | protein channel activity | Catalysis of energy-independent facilitated diffusion, mediated by passage of proteins through a transmembrane aqueous pore or channel. | 1 |
| GO:0008513 | secondary active organic cation transmembrane transporter activity | Catalysis of the transfer of organic cations from one side of the membrane to the other, up the solute's concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction. | 1 |
| GO:0015292 | uniporter activity | Catalysis of the transport of a single molecular species across a membrane; transport is independent of the movement of any other molecular species. | 1 |