Term Information

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Accession
GO:0003934
Name
GTP cyclohydrolase I activity
Ontology
molecular_function
Synonyms
GTP 7,8-8,9-dihydrolase activity, GTP 8-formylhydrolase activity, dihydroneopterin triphosphate synthase activity, guanosine triphosphate 8-deformylase activity, guanosine triphosphate cyclohydrolase activity
Alternate IDs
None
Definition
Catalysis of the reaction: GTP + H2O = 7,8-dihydroneopterin 3'-triphosphate + formate + H+. Source: EC:3.5.4.16
Comment
None
History
See term history for GO:0003934 at QuickGO
Chem. react.
has participant formate
has participant water
has participant hydron
has participant 7,8-dihydroneopterin 3'-triphosphate(4-)
has participant GTP(4-)
Subset
None
Include "regulates"
For more information, please see the ontology relation documentation.

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Graph of GO:0003934 from QuickGO

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Parents of GTP cyclohydrolase I activity (GO:0003934)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
GTP cyclohydrolase I activity [RO:0000057 relation] RO:0000057  formate (CHEBI:15740)
GTP cyclohydrolase I activity [RO:0000057 relation] RO:0000057  water (CHEBI:15377)
GTP cyclohydrolase I activity [RO:0000057 relation] RO:0000057  hydron (CHEBI:15378)
GTP cyclohydrolase I activity [RO:0000057 relation] RO:0000057  7,8-dihydroneopterin 3'-triphosphate(4-) (CHEBI:58462)
GTP cyclohydrolase I activity [is_a relation] is_a  GTP cyclohydrolase activity (GO:0003933)
GTP cyclohydrolase I activity [RO:0000057 relation] RO:0000057  GTP(4-) (CHEBI:37565)
Children of GTP cyclohydrolase I activity (GO:0003934)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
regulation of GTP cyclohydrolase I activity (GO:0043095) [RO:0002211 relation] RO:0002211  GTP cyclohydrolase I activity
positive regulation of GTP cyclohydrolase I activity (GO:0043104) [RO:0002213 relation] RO:0002213  GTP cyclohydrolase I activity
GTP cyclohydrolase I regulator activity (GO:0060308) [RO:0002578 relation] RO:0002578  GTP cyclohydrolase I activity
negative regulation of GTP cyclohydrolase I activity (GO:0043105) [RO:0002212 relation] RO:0002212  GTP cyclohydrolase I activity
GCH1 complex (GO:0034615) [RO:0002215 relation] RO:0002215  GTP cyclohydrolase I activity
EC
3.5.4.16
KEGG_REACTION
R00424
MetaCyc
GTP-CYCLOHYDRO-I-RXN
Reactome
R-HSA-1474146
RHEA
17473