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HAMAP rule MF_00705

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General rule information [?]

PURL https://purl.expasy.org/hamap/rule/MF_00705
Accession MF_00705
Dates 28-FEB-2005 (Created)
02-SEP-2024 (Last updated, Version 23)
Name IMP_cyclohydrol
Scope(s) Archaea
Template(s) Q58043; [ Recover all ]
Triggered by HAMAP; MF_00705 (Get profile general information and statistics)

Propagated annotation [?]

Identifier, protein and gene names [?]

Identifier PURO
Protein name RecName: Full=IMP cyclohydrolase;
                 EC=3.5.4.10;
AltName: Full=IMP synthase;
AltName: Full=Inosinicase;
Gene name Name=purO;

Comments [?]

FUNCTIONCatalyzes the cyclization of 5-formylamidoimidazole-4- carboxamide ribonucleotide to IMP.
CATALYTIC ACTIVITY Reaction=IMP + H2O = 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4- carboxamide; Xref=Rhea:RHEA:18445, ChEBI:CHEBI:15377, ChEBI:CHEBI:58053, ChEBI:CHEBI:58467; EC=3.5.4.10;
PATHWAYPurine metabolism; IMP biosynthesis via de novo pathway; IMP from 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide: step 1/1.
SIMILARITYBelongs to the archaeal IMP cyclohydrolase family.

Keywords [?]


Gene Ontology [?]

GO:0003937; Molecular function:IMP cyclohydrolase activity
GO:0006189; Biological process:'de novo' IMP biosynthetic process

Cross-references [?]

Pfam PF07826; IMP_cyclohyd; 1;
PIRSF PIRSF004866; IMP_cclhdr_arch; 1;
NCBIfam TIGR01922; PurO_arch; 1;

Features [?]


Additional information [?]

Size range 190-230 amino acids
Related rules None
Fusion Nter: None Cter: None



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