Annotations: 5YCH

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d5ycha_	All alpha proteins	Globin-like	Globin-like	Globins	automated matches	(Physeter catodon ) [TaxId: 9755 ],	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	PF00042	e5ychA1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: PF00042	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00042	Globin (Globin)	Globin	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ancestral myoglobin aMbWb of Basilosaurus relative (monophyly)	oxygen binding binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on other nitrogenous compounds as donors nitrite reductase activity catalytic activity oxygen carrier activity molecular carrier activity peroxidase activity antioxidant activity oxidoreductase activity, acting on peroxide as acceptor organic cyclic compound binding tetrapyrrole binding oxygen binding binding small molecule binding oxidoreductase activity oxidoreductase activity, acting on other nitrogenous compounds as donors nitrite reductase activity catalytic activity oxygen carrier activity molecular carrier activity peroxidase activity antioxidant activity oxidoreductase activity, acting on peroxide as acceptor organic cyclic compound binding tetrapyrrole binding heme binding cation binding ion binding metal ion binding	cellular response to stimulus response to stimulus cellular response to oxidative stress detoxification reactive oxygen species metabolic process cellular response to chemical stress response to superoxide cellular oxidant detoxification cellular response to oxygen radical cellular response to reactive oxygen species cellular response to stress response to stress cellular detoxification cellular metabolic process cellular response to stimulus response to stimulus cellular response to oxidative stress detoxification reactive oxygen species metabolic process cellular response to chemical stress response to superoxide cellular oxidant detoxification cellular response to oxygen radical cellular response to reactive oxygen species cellular response to stress response to stress cellular detoxification cellular metabolic process response to oxygen-containing compound cellular response to oxygen-containing compound response to reactive oxygen species response to toxic substance removal of superoxide radicals superoxide metabolic process response to oxidative stress cellular response to chemical stimulus response to chemical cellular response to superoxide metabolic process cellular process cellular response to toxic substance response to oxygen radical	sarcoplasm intracellular anatomical structure cytoplasm cellular anatomical entity extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002335	Myoglobin	Family
A	IPR009050	Globin-like superfamily	Homologous Superfamily
A	IPR000971	Globin	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 R01GM133198.