Catalysis of the reaction: GTP + H2O = 7,8-dihydro-D-neopterin 2',3'-cyclic phosphate + diphosphate +formate + H+. This activity is part of the biosynthesis of methanopterin in Archaea, and requires Fe2+.
Source:
GOC:mengo_curators,
PMID:17497938
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to all annotated objects annotated to archaeal-specific GTP cyclohydrolase activity.
Link
to all direct and indirect annotations
to archaeal-specific GTP cyclohydrolase activity.
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for archaeal-specific GTP cyclohydrolase activity.
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