Annotations: 7CKA

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Heme_oxygenase	e7ckaA1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: Heme_oxygenase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.910.10	Mainly Alpha	Up-down Bundle	Heme Oxygenase	Chain A	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01126	Heme oxygenase (Heme_oxygenase)	Heme oxygenase		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Heme oxygenase 1	oxidoreductase activity monooxygenase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen heme oxygenase (decyclizing) activity catalytic activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen cation binding ion binding binding metal ion binding small molecule binding	heme metabolic process pigment metabolic process catabolic process heme oxidation tetrapyrrole metabolic process porphyrin-containing compound catabolic process metabolic process cellular process porphyrin-containing compound metabolic process tetrapyrrole catabolic process photosynthesis	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016951	Haem oxygenase (decyclizing), plant	Family
A	IPR002051	Haem oxygenase	Family
A	IPR016084	Haem oxygenase-like, multi-helical	Homologous Superfamily
A	IPR016053	Haem oxygenase-like	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.