Go terms map to parent GO term: GO:0030234   enzyme regulator activity
GOID
Link to GO
 Functional Category Description Protein Count
link to
protein list
GO:0004857 enzyme inhibitor activity Stops, prevents or reduces the activity of an enzyme. 181
GO:0001671 ATPase activator activity Functions to increase the rate of ATP hydrolysis. 127
GO:0008047 enzyme activator activity Increases the activity of an enzyme. 86
GO:0030235 nitric-oxide synthase regulator activity Modulates the activity of nitric oxide synthase. 70
GO:0030295 protein kinase activator activity Increases the activity of a protein kinase, an enzyme which phosphorylates a protein. 66
GO:0019208 phosphatase regulator activity Modulates the activity of a phosphatase, an enzyme which catalyzes of the removal of a phosphate group from a substrate molecule. 47
GO:0008601 protein phosphatase type 2A regulator activity Modulation of the activity of the enzyme protein phosphatase type 2A. 45
GO:0004864 protein phosphatase inhibitor activity Stops, prevents or reduces the activity of a protein phosphatase, an enzyme that hydrolyzes phosphate groups from phosphorylated proteins. 39
GO:0005085 guanyl-nucleotide exchange factor activity Stimulates the exchange of guanyl nucleotides associated with a GTPase. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase. 35
GO:0090353 polygalacturonase inhibitor activity Stops, prevents or reduces the activity of a polygalacturonase. Polygalacturonases catalyze the random hydrolysis of 1,4-alpha-D-galactosiduronic linkages in pectate and other galacturonans. 33
GO:0005095 GTPase inhibitor activity Stops, prevents or reduces the activity of any enzyme that catalyzes the hydrolysis of GTP to GDP and orthophosphate. 33
GO:0016004 phospholipase activator activity Increases the activity of a phospholipase, an enzyme that catalyzes of the hydrolysis of a glycerophospholipid. 32
GO:0005099 Ras GTPase activator activity Increases the rate of GTP hydrolysis by a GTPase of the Ras superfamily. 31
GO:0008426 protein kinase C inhibitor activity Stops, prevents or reduces the activity of protein kinase C, an enzyme which phosphorylates a protein. 30
GO:0072542 protein phosphatase activator activity Increases the activity of a protein phosphatase, an enzyme which catalyzes of the removal of a phosphate group from a protein substrate molecule. 29
GO:0005097 Rab GTPase activator activity Increases the rate of GTP hydrolysis by a GTPase of the Rab family. 28
GO:0035033 histone deacetylase regulator activity Modulates the activity of histone deacetylase. 25
GO:0016505 apoptotic protease activator activity Increases the activity of a peptidase that is involved in the activation of apoptosis. 25
GO:0043027 cysteine-type endopeptidase inhibitor activity involved in apoptotic process Stops, prevents or reduces the activity of a cysteine-type endopeptidase involved in the apoptotic process. 23
GO:0008060 ARF GTPase activator activity Increases the rate of GTP hydrolysis by the GTPase ARF. 22
GO:0005087 Ran guanyl-nucleotide exchange factor activity Stimulates the exchange of guanyl nucleotides associated with a GTPase of the Ran family. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase. 21
GO:0043539 protein serine/threonine kinase activator activity Increases the activity of a protein serine/threonine kinase. 21
GO:0016483 tryptophan hydroxylase activator activity Increases the activity of the enzyme tryptophase hydroxylase. 19
GO:0016538 cyclin-dependent protein serine/threonine kinase regulator activity Modulates the activity of a cyclin-dependent protein serine/threonine kinase, enzymes of the protein kinase family that are regulated through association with cyclins and other proteins. 18
GO:0005096 GTPase activator activity Increases the activity of a GTPase, an enzyme that catalyzes the hydrolysis of GTP. 17
GO:0019834 phospholipase A2 inhibitor activity Stops, prevents or reduces the activity of the enzyme phospholipase A2. 16
GO:0042349 guiding stereospecific synthesis activity The orientation of free radical substrates in such a way that only a particular stereoisomer is synthesized by an enzyme. Best characterized as a function during lignan biosynthesis. 15
GO:0046863 ribulose-1,5-bisphosphate carboxylase/oxygenase activator activity Increases the activity of rubisco by the removal of otherwise inhibitory sugar phosphates: RuBP, and in some plants, 2-carboxyarabinitol 1-phosphate. 15
GO:0004867 serine-type endopeptidase inhibitor activity Stops, prevents or reduces the activity of serine-type endopeptidases, enzymes that catalyze the hydrolysis of nonterminal peptide bonds in a polypeptide chain; a serine residue (and a histidine residue) are at the active center of the enzyme. 14
GO:0000774 adenyl-nucleotide exchange factor activity Stimulates the hydrolysis and exchange of adenyl nucleotides by other proteins. 14
GO:0046910 pectinesterase inhibitor activity Stops, prevents or reduces the activity of any pectinesterase enzyme. 14
GO:0004869 cysteine-type endopeptidase inhibitor activity Stops, prevents or reduces the activity of a cysteine-type endopeptidase, any enzyme that hydrolyzes peptide bonds in polypeptides by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile. 14
GO:0019888 protein phosphatase regulator activity Modulates the activity of a protein phosphatase, an enzyme which catalyzes of the removal of a phosphate group from a protein substrate molecule. 13
GO:0008428 ribonuclease inhibitor activity Stops, prevents or reduces the activity of a ribonuclease, any enzyme that catalyzes the hydrolysis of phosphodiester bonds in chains of RNA. 12
GO:0005083 small GTPase regulator activity Modulates the rate of GTP hydrolysis by a small monomeric GTPase. 11
GO:0019210 kinase inhibitor activity Stops, prevents or reduces the activity of a kinase, an enzyme which catalyzes of the transfer of a phosphate group, usually from ATP, to a substrate molecule. 10
GO:0019887 protein kinase regulator activity Modulates the activity of a protein kinase, an enzyme which phosphorylates a protein. 10
GO:0005100 Rho GTPase activator activity Increases the rate of GTP hydrolysis by a GTPase of the Rho family. 10
GO:0030291 protein serine/threonine kinase inhibitor activity Stops, prevents or reduces the activity of a protein serine/threonine kinase. 8
GO:0061133 endopeptidase activator activity Increases the activity of an endopeptidase, any enzyme that hydrolyzes nonterminal peptide bonds in polypeptides. 8
GO:0019912 cyclin-dependent protein kinase activating kinase activity Catalysis of the reaction: ATP + a protein = ADP + a phosphoprotein; increases the activity of a cyclin-dependent protein kinase (CDK). 8
GO:0005093 Rab GDP-dissociation inhibitor activity Prevents the dissociation of GDP from the small GTPase Rab, thereby preventing GTP from binding. 8
GO:0017112 Rab guanyl-nucleotide exchange factor activity Stimulates the exchange of guanyl nucleotides associated with a GTPase of the Rab family. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase. 7
GO:0005086 ARF guanyl-nucleotide exchange factor activity Stimulates the exchange of guanyl nucleotides associated with the GTPase ARF. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase. 7
GO:0016504 peptidase activator activity Increases the activity of a peptidase, any enzyme that catalyzes the hydrolysis peptide bonds. 6
GO:0030675 Rac GTPase activator activity Increases the rate of GTP hydrolysis by a GTPase of the Rac family. 6
GO:0008603 cAMP-dependent protein kinase regulator activity Modulation of the activity of the enzyme cAMP-dependent protein kinase. 5
GO:0005089 Rho guanyl-nucleotide exchange factor activity Stimulates the exchange of guanyl nucleotides associated with a GTPase of the Rho family. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase. 5
GO:0060589 nucleoside-triphosphatase regulator activity Modulates the rate of NTP hydrolysis by a NTPase. 5
GO:0004866 endopeptidase inhibitor activity Stops, prevents or reduces the activity of an endopeptidase, any enzyme that hydrolyzes nonterminal peptide bonds in polypeptides. 5
GO:0005094 Rho GDP-dissociation inhibitor activity Prevents the dissociation of GDP from the small GTPase Rho, thereby preventing GTP from binding. 5
GO:0005092 GDP-dissociation inhibitor activity Prevents the dissociation of GDP from a GTPase, thereby preventing GTP from binding. 5
GO:0008656 cysteine-type endopeptidase activator activity involved in apoptotic process Increases the rate of proteolysis catalyzed by a cysteine-type endopeptidase involved in the apoptotic process. 4
GO:0005098 Ran GTPase activator activity Increases the rate of GTP hydrolysis by a GTPase of the Ran family. 4
GO:0005088 Ras guanyl-nucleotide exchange factor activity Stimulates the exchange of guanyl nucleotides associated with a GTPase of the Ras superfamily. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase. 4
GO:0030292 protein tyrosine kinase inhibitor activity Stops, prevents or reduces the activity of a protein tyrosine kinase. 4
GO:0019209 kinase activator activity Increases the activity of a kinase, an enzyme which catalyzes of the transfer of a phosphate group, usually from ATP, to a substrate molecule. 4
GO:0010858 calcium-dependent protein kinase regulator activity Modulates the activity of a calcium-dependent protein kinase, an enzyme which phosphorylates a protein in a calcium-dependent manner. 3
GO:0004859 phospholipase inhibitor activity Stops, prevents or reduces the activity of a phospholipase, an enzyme that catalyzes of the hydrolysis of a phospholipid. 2
GO:0097027 ubiquitin-protein ligase activator activity Increases the activity of a ubiquitin-protein ligase, an enzyme that catalyzes the covalent attachment of ubiquitin to lysine in a substrate protein. 2
GO:0016005 phospholipase A2 activator activity Increases the activity of the enzyme phospholipase A2. 2
GO:0071862 protein phosphatase type 1 activator activity Increases the activity of the enzyme protein phosphatase type 1. 2
GO:0010307 acetylglutamate kinase regulator activity Modulates the enzyme activity of acetylglutamate kinase. 2
GO:0008073 ornithine decarboxylase inhibitor activity The stopping, prevention or reduction of the activity of the enzyme ornithine decarboxylase. 2
GO:0004861 cyclin-dependent protein serine/threonine kinase inhibitor activity Stops, prevents or reduces the activity of a cyclin-dependent protein serine/threonine kinase. 2
GO:0042978 ornithine decarboxylase activator activity Upregulation of the activity of the enzyme ornithine decarboxylase. 2
GO:0008160 protein tyrosine phosphatase activator activity Increases the activity of a phosphatase, an enzyme which catalyzes of the removal of a phosphate group from a tyrosyl phenolic group of a protein. 1
GO:0042030 ATPase inhibitor activity Stops, prevents or reduces the activity of any enzyme that catalyzes the hydrolysis of ATP to ADP and orthophosphate. 1
GO:0017020 myosin phosphatase regulator activity Modulation of the activity of the enzyme myosin phosphatase. 1
GO:0008607 phosphorylase kinase regulator activity Modulation of the activity of the enzyme phosphorylase kinase. 1
GO:0048270 methionine adenosyltransferase regulator activity Modulates the activity of methionine adenosyltransferase. 1
GO:0030337 DNA polymerase processivity factor activity An enzyme regulator activity that increases the processivity of polymerization by DNA polymerase, by allowing the polymerase to move rapidly along DNA while remaining topologically bound to it. 1
GO:0019828 aspartic-type endopeptidase inhibitor activity Stops, prevents or reduces the activity of aspartic-type endopeptidases, enzymes that catalyze the hydrolysis of nonterminal peptide bonds in a polypeptide chain; the optimum reaction pH is below 5 due to an aspartic residue involved in the catalytic process. 1
GO:0008048 calcium sensitive guanylate cyclase activator activity Increases the activity of guanylate cyclase in response to a change in calcium ion concentration. 1
GO:0030359 protein phosphatase type 2B regulator activity Modulation of the activity of the enzyme protein phosphatase type 2B. 1