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Gene Ontology Browser
Term Detail
GO term:GTPase activator activity
Synonym: GAP activity
GO id:GO:0005096
Definition:Increases the activity of a GTPase, an enzyme that catalyzes the hydrolysis of GTP.
Number of paths to term: 2

is-adenotes an 'is-a' relationship
part-ofdenotes a 'part-of' relationship
regulatesdenotes a 'regulates' relationship
positively-regulatesdenotes a 'positively-regulates' relationship
negatively-regulatesdenotes a 'negatively-regulates' relationship


Gene_Ontology
        is-amolecular_function
                is-aenzyme regulator activity
                        is-aenzyme activator activity
                                is-aacetyltransferase activator activity
                                is-aATPase activator activity +
                                is-aexoribonuclease activator activity
                                is-aGTPase activator activity [GO:0005096] (218 genes, 343 annotations)
                                        is-aARF GTPase activator activity
                                        is-aRas GTPase activator activity +
                                        is-aSar GTPase activator activity
                                is-aguanylate cyclase activator activity +
                                is-akinase activator activity +
                                is-aL-dopa decarboxylase activator activity
                                is-alipase activator activity +
                                is-ametalloenzyme activator activity
                                is-aornithine decarboxylase activator activity
                                is-apeptidase activator activity +
                                is-aphosphatase activator activity +
                                is-aphosphatidylcholine-sterol O-acyltransferase activator activity
                                is-aribulose-1,5-bisphosphate carboxylase/oxygenase activator activity
                                is-aRNA lariat debranching enzyme activator activity
                                is-asphingolipid activator protein activity
                                is-asuperoxide dismutase copper chaperone activity
                                is-asuperoxide-generating NADPH oxidase activator activity
                                is-atryptophan hydroxylase activator activity
                                is-atyrosine 3-monooxygenase activator activity
                                is-aurease activator activity


Gene_Ontology
        is-amolecular_function
                is-aenzyme regulator activity
                        is-anucleoside-triphosphatase regulator activity
                                is-aGTPase regulator activity
                                        is-aGTPase activator activity [GO:0005096] (218 genes, 343 annotations)
                                                is-aARF GTPase activator activity
                                                is-aRas GTPase activator activity +
                                                is-aSar GTPase activator activity
                                        is-aGTPase inhibitor activity
                                        is-asmall GTPase regulator activity +


Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Tumor Biology (MTB), Gene Ontology (GO), MouseCyc
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last database update
10/08/2014
MGI 5.20
The Jackson Laboratory