Annotations: 4J3Q

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	POTRA	e4j3qB1	A: alpha bundles	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: POTRA	ECOD (develop294)
A	POTRA	e4j3qA1	A: alpha bundles	X: CCHHC domain	H: CCHHC domain	T: CCHHC domain	F: POTRA	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.1280.10	Mainly Alpha	Orthogonal Bundle	di-copper center containing domain from catechol oxidase	Di-copper center containing domain from catechol oxidase	CATH (4.3.0)
A	1.10.1280.10	Mainly Alpha	Orthogonal Bundle	di-copper center containing domain from catechol oxidase	Di-copper center containing domain from catechol oxidase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00264	Common central domain of tyrosinase (Tyrosinase)	Common central domain of tyrosinase	This family also contains polyphenol oxidases and some hemocyanins. Binds two copper ions via two sets of three histidines. This family is related to Pfam:PF00372.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	catechol oxidase	oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor oxidoreductase activity monooxygenase activity oxidoreductase activity, acting on diphenols and related substances as donors catechol oxidase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR008922	Di-copper centre-containing domain superfamily	Homologous Superfamily
A, B	IPR050316	Tyrosinase and Hemocyanin	Family
A, B	IPR002227	Tyrosinase copper-binding domain	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.