Annotations: 5CE9

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d5ce9a_	All alpha proteins	Di-copper centre-containing domain	Di-copper centre-containing domain	Catechol oxidase	automated matches	(Juglans regia ) [TaxId: 51240 ],	SCOPe (2.08)
B	d5ce9b_	All alpha proteins	Di-copper centre-containing domain	Di-copper centre-containing domain	Catechol oxidase	automated matches	(Juglans regia ) [TaxId: 51240 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e5ce9A1	A: P-loop domains-like	X: P-loop domains-related	H: P-loop containing nucleoside triphosphate hydrolases	T: RNA_ligase	F:	ECOD (20:10:01)
B		e5ce9B1	A: P-loop domains-like	X: P-loop domains-related	H: P-loop containing nucleoside triphosphate hydrolases	T: RNA_ligase	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Polyphenol 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 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, another compound as one donor, and incorporation of one atom of oxygen tyrosinase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen cation binding ion binding binding metal ion binding small molecule binding	pigment metabolic process pigment biosynthetic process metabolic process cellular process	membrane-bounded organelle intracellular anatomical structure plastid intracellular membraneless organelle intracellular membrane-bounded organelle plastid thylakoid plastid thylakoid lumen intracellular organelle chloroplast thylakoid lumen cellular anatomical structure organelle chloroplast thylakoid membraneless organelle cytoplasm membrane-bounded organelle intracellular anatomical structure plastid intracellular membraneless organelle intracellular membrane-bounded organelle plastid thylakoid plastid thylakoid lumen intracellular organelle chloroplast thylakoid lumen cellular anatomical structure organelle chloroplast thylakoid membraneless organelle cytoplasm thylakoid lumen thylakoid chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR022739	Polyphenol oxidase, central domain	Domain
A, B	IPR008922	Di-copper centre-containing domain superfamily	Homologous Superfamily
A, B	IPR016213	Polyphenol oxidase	Family
A, B	IPR022740	Polyphenol oxidase, C-terminal	Domain
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.