Annotations: 1GKQ

D-Hydantoinase (Dihydropyrimidinase) from Thermus sp. in space group P212121

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d1gkqd1	All beta proteins	Composite domain of metallo-dependent hydrolases	Composite domain of metallo-dependent hydrolases	Hydantoinase (dihydropyrimidinase)	D-hydantoinase	(Thermus sp. ) [TaxId: 275 ],	SCOPe (2.08)
D	d1gkqd2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Metallo-dependent hydrolases	Hydantoinase (dihydropyrimidinase), catalytic domain	D-hydantoinase	(Thermus sp. ) [TaxId: 275 ],	SCOPe (2.08)
C	d1gkqc1	All beta proteins	Composite domain of metallo-dependent hydrolases	Composite domain of metallo-dependent hydrolases	Hydantoinase (dihydropyrimidinase)	D-hydantoinase	(Thermus sp. ) [TaxId: 275 ],	SCOPe (2.08)
C	d1gkqc2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Metallo-dependent hydrolases	Hydantoinase (dihydropyrimidinase), catalytic domain	D-hydantoinase	(Thermus sp. ) [TaxId: 275 ],	SCOPe (2.08)
B	d1gkqb1	All beta proteins	Composite domain of metallo-dependent hydrolases	Composite domain of metallo-dependent hydrolases	Hydantoinase (dihydropyrimidinase)	D-hydantoinase	(Thermus sp. ) [TaxId: 275 ],	SCOPe (2.08)
B	d1gkqb2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Metallo-dependent hydrolases	Hydantoinase (dihydropyrimidinase), catalytic domain	D-hydantoinase	(Thermus sp. ) [TaxId: 275 ],	SCOPe (2.08)
A	d1gkqa1	All beta proteins	Composite domain of metallo-dependent hydrolases	Composite domain of metallo-dependent hydrolases	Hydantoinase (dihydropyrimidinase)	D-hydantoinase	(Thermus sp. ) [TaxId: 275 ],	SCOPe (2.08)
A	d1gkqa2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Metallo-dependent hydrolases	Hydantoinase (dihydropyrimidinase), catalytic domain	D-hydantoinase	(Thermus sp. ) [TaxId: 275 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Rhv	e1gkqD1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Rhv	ECOD (v295.2)
D	NAD_binding_3	e1gkqD2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: NAD_binding_3	ECOD (v295.2)
C	Rhv	e1gkqC1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Rhv	ECOD (v295.2)
C	NAD_binding_3	e1gkqC2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: NAD_binding_3	ECOD (v295.2)
B	Rhv	e1gkqB1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Rhv	ECOD (v295.2)
B	NAD_binding_3	e1gkqB2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: NAD_binding_3	ECOD (v295.2)
A	Rhv	e1gkqA1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Rhv	ECOD (v295.2)
A	NAD_binding_3	e1gkqA2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: NAD_binding_3	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	2.30.40.10	Mainly Beta	Roll	Urease, subunit C	domain 1	CATH (4.3.0)
D	3.20.20.140	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Metal-dependent hydrolases	CATH (4.3.0)
C	2.30.40.10	Mainly Beta	Roll	Urease, subunit C	domain 1	CATH (4.3.0)
C	3.20.20.140	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Metal-dependent hydrolases	CATH (4.3.0)
B	2.30.40.10	Mainly Beta	Roll	Urease, subunit C	domain 1	CATH (4.3.0)
B	3.20.20.140	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Metal-dependent hydrolases	CATH (4.3.0)
A	2.30.40.10	Mainly Beta	Roll	Urease, subunit C	domain 1	CATH (4.3.0)
A	3.20.20.140	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Metal-dependent hydrolases	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	HYDANTOINASE	hydrolase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amides catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	-	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR050378	Metallo-dependent Hydrolases Superfamily	Family
A, B, C, D	IPR006680	Amidohydrolase-related	Domain
A, B, C, D	IPR011059	Metal-dependent hydrolase, composite domain superfamily	Homologous Superfamily
A, B, C, D	IPR011778	D-phenylhydantoinase/dihydropyrimidinase	Family
A, B, C, D	IPR032466	Metal-dependent hydrolase	Homologous Superfamily

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.