FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

pyrimidodiazepine synthase activity

ID (Ontology)

GO:0004734 (Gene Ontology)

Definition

Catalysis of the reaction: a pyrimidodiazepine + oxidized glutathione = 6-pyruvoyltetrahydropterin + 2 glutathione.[ EC:1 ]

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_MOLECULAR_FUNCTION

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Genes
pyrimidodiazepine synthase activity (all annotations which use CV term, excluding "NOT" statements)
enables \| pyrimidodiazepine synthase activity
NOT \| enables \| pyrimidodiazepine synthase activity

Spanning Tree (Parents/Children)

  oxidoreductase activity, acting on the CH-NH group of donors
   |__oxidoreductase activity, acting on the CH-NH group of donors, disulfide as acceptor
       |__pyrimidodiazepine synthase activity  1 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	oxidoreductase activity, acting on the CH-NH group of donors, disulfide as acceptor
Part of
Synonyms & Secondary IDs
Synonyms
	"PDA synthase activity" RELATED[ EC:1 ] "pyrimidodiazepine:glutathione-disulfide oxidoreductase (ring-opening, cyclizing)" RELATED[ EC:1 ]
Secondary IDs

External Crossreferences & Linkouts
	EC:1.5.4.1 MetaCyc:1.5.4.1-RXN RHEA:10720