Annotations: 3MMR

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Arginase	e3mmrA1	A: a/b three-layered sandwiches	X: HAD domain-like	H: HAD domain-related	T: Arginase/deacetylase	F: Arginase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.800.10	Alpha Beta	3-Layer(aba) Sandwich	Arginase	Chain A	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Arginase	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amidines hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds arginase activity cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding identical protein binding protein binding	ornithine metabolic process arginine catabolic process to ornithine catabolic process oxoacid metabolic process glutamine family amino acid catabolic process amino acid metabolic process arginine catabolic process organic acid metabolic process organic acid catabolic process alpha-amino acid metabolic process glutamine family amino acid metabolic process cellular catabolic process arginine metabolic process non-proteinogenic amino acid metabolic process carboxylic acid catabolic process ornithine metabolic process arginine catabolic process to ornithine catabolic process oxoacid metabolic process glutamine family amino acid catabolic process amino acid metabolic process arginine catabolic process organic acid metabolic process organic acid catabolic process alpha-amino acid metabolic process glutamine family amino acid metabolic process cellular catabolic process arginine metabolic process non-proteinogenic amino acid metabolic process carboxylic acid catabolic process small molecule metabolic process amino acid catabolic process carboxylic acid metabolic process L-amino acid catabolic process primary metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process metabolic process cellular process small molecule catabolic process nitrogen cycle metabolic process biosynthetic process urea cycle amide biosynthetic process amide metabolic process urea metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR023696	Ureohydrolase domain superfamily	Homologous Superfamily
A	IPR006035	Ureohydrolase	Family

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.