Annotations: 3NPE

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Retinoid isomerase RPE65-like	8051042	4007172	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	RPE65-like	8092355	3002594	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	RPE65	e3npeA1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 7-bladed	F: RPE65	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF03055	Retinal pigment epithelial membrane protein (RPE65)	Retinal pigment epithelial membrane protein	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	9-cis-epoxycarotenoid dioxygenase 1, chloroplastic	oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity carotenoid dioxygenase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity 9-cis-epoxycarotenoid dioxygenase activity cation binding ion binding binding metal ion binding small molecule binding	isoprenoid catabolic process lipid catabolic process catabolic process carotene catabolic process hydrocarbon catabolic process cellular metabolic process terpene metabolic process primary metabolic process cellular lipid catabolic process hydrocarbon metabolic process carotene metabolic process cellular catabolic process cellular lipid metabolic process metabolic process isoprenoid catabolic process lipid catabolic process catabolic process carotene catabolic process hydrocarbon catabolic process cellular metabolic process terpene metabolic process primary metabolic process cellular lipid catabolic process hydrocarbon metabolic process carotene metabolic process cellular catabolic process cellular lipid metabolic process metabolic process cellular process terpene catabolic process isoprenoid metabolic process lipid metabolic process oxoacid metabolic process cellular biosynthetic process organic hydroxy compound metabolic process lipid biosynthetic process alcohol metabolic process terpenoid biosynthetic process organic acid biosynthetic process organic acid metabolic process abscisic acid metabolic process carboxylic acid biosynthetic process apocarotenoid metabolic process abscisic acid biosynthetic process apocarotenoid biosynthetic process small molecule metabolic process sesquiterpenoid biosynthetic process tertiary alcohol metabolic process monocarboxylic acid biosynthetic process isoprenoid biosynthetic process small molecule biosynthetic process olefinic compound biosynthetic process sesquiterpenoid metabolic process carboxylic acid metabolic process biosynthetic process organic hydroxy compound biosynthetic process alcohol biosynthetic process tertiary alcohol biosynthetic process olefinic compound metabolic process monocarboxylic acid metabolic process terpenoid metabolic process	membrane-bounded organelle intracellular anatomical structure plastid cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle plastid stroma organelle chloroplast stroma cytoplasm chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004294	Carotenoid oxygenase	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM				Retinal pigment epithelial membrane protein

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.