Annotations: 3D2O

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	GCHY-1_C	e3d2oA2	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GCHY-1_C	ECOD (1.6)
A	GCHY-1_N	e3d2oA1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GCHY-1_N	ECOD (1.6)
B	GCHY-1_C	e3d2oB2	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GCHY-1_C	ECOD (1.6)
B	GCHY-1_N	e3d2oB1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GCHY-1_N	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.270.10	Alpha Beta	Roll	Urate Oxidase	Urate Oxidase	CATH (4.3.0)
B	3.10.270.10	Alpha Beta	Roll	Urate Oxidase	Urate Oxidase	CATH (4.3.0)

Chains	Accession	Name	Description	Comments	Source
A, B	PF02649	Type I GTP cyclohydrolase folE2 (GCHY-1)	Type I GTP cyclohydrolase folE2	-	Family

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	UPF0343 protein NGO0387	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines GTP cyclohydrolase activity cyclohydrolase activity hydrolase activity GTP cyclohydrolase I activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	-	-