Annotations: 9RXG

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Globin-like	8036374	3000554	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Globin-like	8036374	3000554	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Globin-like	8036375	3000554	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Globin-like	8036375	3000554	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF00042	Globin (Globin)	Globin		Domain
B, D	PF00042	Globin (Globin)	Globin		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C	Hemoglobin subunit alpha	oxygen binding binding small molecule binding oxygen carrier activity molecular carrier activity tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding	catabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process cellular response to stimulus cellular detoxification cellular response to chemical stimulus response to stimulus response to chemical detoxification cellular oxidant detoxification cellular response to toxic substance catabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process cellular response to stimulus cellular detoxification cellular response to chemical stimulus response to stimulus response to chemical detoxification cellular oxidant detoxification cellular response to toxic substance response to toxic substance	protein-containing complex cellular anatomical structure intracellular anatomical structure hemoglobin complex cytoplasm cytosol haptoglobin-hemoglobin complex
B, D	Hemoglobin subunit beta	oxygen binding binding small molecule binding hemoglobin binding protein binding hemoglobin alpha binding oxygen carrier activity molecular carrier activity tetrapyrrole binding heme binding cation binding ion binding metal ion binding	catabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process cellular response to stimulus cellular detoxification cellular response to chemical stimulus response to stimulus response to chemical detoxification cellular oxidant detoxification cellular response to toxic substance catabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process cellular response to stimulus cellular detoxification cellular response to chemical stimulus response to stimulus response to chemical detoxification cellular oxidant detoxification cellular response to toxic substance response to toxic substance	protein-containing complex cellular anatomical structure intracellular anatomical structure hemoglobin complex cytoplasm cytosol haptoglobin-hemoglobin complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR050056	Hemoglobin and related oxygen transporters	Family
A, C	IPR002338	Hemoglobin, alpha-type	Family
A, C	IPR002339	Hemoglobin, pi	Family
A, C	IPR009050	Globin-like superfamily	Homologous Superfamily
A, C	IPR012292	Globin/Protoglobin	Homologous Superfamily
A, C	IPR000971	Globin	Domain
B, D	IPR050056	Hemoglobin and related oxygen transporters	Family
B, D	IPR009050	Globin-like superfamily	Homologous Superfamily
B, D	IPR012292	Globin/Protoglobin	Homologous Superfamily
B, D	IPR002337	Hemoglobin, beta-type	Family
B, D	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 R01GM157729.