Annotations: 2VHH

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	HCV_NS2	e2vhhD1	A: a/b three-layered sandwiches	X: Tautomerase/MIF-like	H: Tautomerase/MIF	T: Catalytic domain of hepatitis C virus NS2-3 protease	F: HCV_NS2	ECOD (v294.1)
C	HCV_NS2	e2vhhC1	A: a/b three-layered sandwiches	X: Tautomerase/MIF-like	H: Tautomerase/MIF	T: Catalytic domain of hepatitis C virus NS2-3 protease	F: HCV_NS2	ECOD (v294.1)
B	HCV_NS2	e2vhhB1	A: a/b three-layered sandwiches	X: Tautomerase/MIF-like	H: Tautomerase/MIF	T: Catalytic domain of hepatitis C virus NS2-3 protease	F: HCV_NS2	ECOD (v294.1)
A	ECH_1	e2vhhA1	A: a/b three-layered sandwiches	X: Ribonuclease H-like	H: HUP domains	T: Thiamin diphosphate-binding fold (THDP-binding)	F: ECH_1	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.60.110.10	Alpha Beta	4-Layer Sandwich	Nitrilase/N-carbamoyl-D-aminoacid amidohydrolase	Carbon-nitrogen hydrolase	CATH (4.3.0)
C	3.60.110.10	Alpha Beta	4-Layer Sandwich	Nitrilase/N-carbamoyl-D-aminoacid amidohydrolase	Carbon-nitrogen hydrolase	CATH (4.3.0)
B	3.60.110.10	Alpha Beta	4-Layer Sandwich	Nitrilase/N-carbamoyl-D-aminoacid amidohydrolase	Carbon-nitrogen hydrolase	CATH (4.3.0)
A	3.60.110.10	Alpha Beta	4-Layer Sandwich	Nitrilase/N-carbamoyl-D-aminoacid amidohydrolase	Carbon-nitrogen hydrolase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00795	Carbon-nitrogen hydrolase (CN_hydrolase)	Carbon-nitrogen hydrolase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	CG3027-PA	beta-ureidopropionase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	pyrimidine-containing compound metabolic process nucleobase biosynthetic process pyrimidine nucleobase biosynthetic process primary metabolic process nucleobase-containing compound metabolic process pyrimidine nucleobase metabolic process biosynthetic process nucleobase-containing small molecule metabolic process nucleobase metabolic process 'de novo' pyrimidine nucleobase biosynthetic process small molecule metabolic process metabolic process cellular process pyrimidine-containing compound biosynthetic process pyrimidine-containing compound metabolic process nucleobase biosynthetic process pyrimidine nucleobase biosynthetic process primary metabolic process nucleobase-containing compound metabolic process pyrimidine nucleobase metabolic process biosynthetic process nucleobase-containing small molecule metabolic process nucleobase metabolic process 'de novo' pyrimidine nucleobase biosynthetic process small molecule metabolic process metabolic process cellular process pyrimidine-containing compound biosynthetic process catabolic process pyrimidine-containing compound catabolic process pyrimidine nucleobase catabolic process nucleobase catabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036526	Carbon-nitrogen hydrolase superfamily	Homologous Superfamily
A, B, C, D	IPR050345	Aliphatic Amidase/Beta-Ureidopropionase	Family
A, B, C, D	IPR003010	Carbon-nitrogen hydrolase	Domain

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.