Annotations: 3HF4

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3hf4a_	All alpha proteins	Globin-like	Globin-like	Globins	automated matches	(Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
C [auth E]	d3hf4e_	All alpha proteins	Globin-like	Globin-like	Globins	automated matches	(Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
B	d3hf4b_	All alpha proteins	Globin-like	Globin-like	Globins	automated matches	(Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
D [auth F]	d3hf4f_	All alpha proteins	Globin-like	Globin-like	Globins	automated matches	(Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Globins	8060979	4000551	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Globin-like	8060980	3000554	SCOP2 (2022-06-29)
C [auth E]	SCOP2B Superfamily	Globin-like	8060980	3000554	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Globin-like	8061030	3000554	SCOP2B (2022-06-29)
D [auth F]	SCOP2 Family	Globins	8061029	4000551	SCOP2 (2022-06-29)
D [auth F]	SCOP2 Superfamily	Globin-like	8061030	3000554	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	PF00042	e3hf4A1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: PF00042	ECOD (1.6)
C [auth E]	PF00042	e3hf4E1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: PF00042	ECOD (1.6)
B	PF00042	e3hf4B1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: PF00042	ECOD (1.6)
D [auth F]	PF00042	e3hf4F1	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 (4.3.0)
C [auth E]	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
B	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
D [auth F]	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C [auth E]	PF00042	Globin (Globin)	Globin	-	Domain
B, D [auth F]	PF00042	Globin (Globin)	Globin	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C [auth E]	Hemoglobin subunit alpha-1/2	oxygen binding binding small molecule binding amide binding amyloid-beta binding peptide binding oxygen carrier activity molecular carrier activity organic cyclic compound binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding oxygen binding binding small molecule binding amide binding amyloid-beta binding peptide binding oxygen carrier activity molecular carrier activity organic cyclic compound binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding organic acid binding	cellular catabolic process catabolic process cellular metabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process oxygen transport localization transport gas transport establishment of localization response to organic substance cellular catabolic process catabolic process cellular metabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process oxygen transport localization transport gas transport establishment of localization response to organic substance response to stimulus response to chemical response to stilbenoid response to organic cyclic compound one-carbon compound transport organic substance transport carbon dioxide transport nitric oxide transport nitrogen compound transport developmental process multicellular organismal process erythrocyte development cellular developmental process homeostatic process hemopoiesis cell development erythrocyte differentiation multicellular organismal-level homeostasis myeloid cell differentiation immune system process cell differentiation anatomical structure development myeloid cell development homeostasis of number of cells myeloid cell homeostasis erythrocyte homeostasis biological process involved in interspecies interaction between organisms response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus cellular response to stimulus cellular detoxification cellular response to chemical stimulus detoxification cellular oxidant detoxification cellular response to toxic substance response to toxic substance multicellular organism development embryo development ending in birth or egg hatching chordate embryonic development embryo development in utero embryonic development system process circulatory system process regulation of blood pressure biological regulation regulation of biological quality negative regulation of blood pressure blood circulation	protein-containing complex intracellular anatomical structure hemoglobin complex cytoplasm cellular anatomical entity cytosol haptoglobin-hemoglobin complex
B, D [auth F]	Hemoglobin subunit beta-1	hemoglobin binding protein binding binding oxygen binding small molecule binding hemoglobin alpha binding protein-containing complex binding oxygen carrier activity molecular carrier activity organic cyclic compound binding tetrapyrrole binding heme binding hemoglobin beta binding organic acid binding hemoglobin binding protein binding binding oxygen binding small molecule binding hemoglobin alpha binding protein-containing complex binding oxygen carrier activity molecular carrier activity organic cyclic compound binding tetrapyrrole binding heme binding hemoglobin beta binding organic acid binding cation binding ion binding metal ion binding	cellular catabolic process catabolic process cellular metabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process cellular response to stimulus regulation of cellular process response to stimulus regulation of cellular response to stress organonitrogen compound biosynthetic process regulation of translational initiation by eIF2 alpha phosphorylation cellular catabolic process catabolic process cellular metabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process cellular response to stimulus regulation of cellular process response to stimulus regulation of cellular response to stress organonitrogen compound biosynthetic process regulation of translational initiation by eIF2 alpha phosphorylation regulation of primary metabolic process post-transcriptional regulation of gene expression regulation of phosphate metabolic process phosphate-containing compound metabolic process organic substance biosynthetic process translational initiation protein modification process phosphorus metabolic process regulation of biological process protein phosphorylation phosphorylation regulation of translational initiation regulation of protein metabolic process primary metabolic process regulation of cellular metabolic process regulation of gene expression biosynthetic process regulation of response to stimulus macromolecule modification regulation of phosphorus metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process regulation of protein modification process regulation of eIF2 alpha phosphorylation by heme regulation of protein phosphorylation cellular biosynthetic process organic substance metabolic process regulation of translation in response to stress cellular response to stress regulation of response to stress response to stress protein metabolic process regulation of biosynthetic process organonitrogen compound metabolic process biological regulation regulation of macromolecule metabolic process gene expression translation macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of translation regulation of translational initiation in response to stress regulation of phosphorylation developmental process multicellular organismal process erythrocyte development cellular developmental process homeostatic process hemopoiesis cell development erythrocyte differentiation multicellular organismal-level homeostasis myeloid cell differentiation immune system process cell differentiation anatomical structure development myeloid cell development homeostasis of number of cells myeloid cell homeostasis erythrocyte homeostasis glutathione metabolic process sulfur compound metabolic process amide metabolic process cellular modified amino acid metabolic process oxygen transport localization transport gas transport establishment of localization one-carbon compound transport organic substance transport carbon dioxide transport renal system process system process renal absorption nitric oxide transport nitrogen compound transport response to hydrogen peroxide response to oxidative stress response to chemical response to oxygen-containing compound response to reactive oxygen species response to inorganic substance cellular detoxification cellular response to chemical stimulus detoxification cellular oxidant detoxification cellular response to toxic substance response to toxic substance	protein-containing complex intracellular anatomical structure hemoglobin complex cytoplasm cellular anatomical entity cytosol haptoglobin-hemoglobin complex extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C [auth E]	IPR002338	Hemoglobin, alpha-type	Family
A, C [auth E]	IPR002339	Hemoglobin, pi	Family
A, C [auth E]	IPR009050	Globin-like superfamily	Homologous Superfamily
A, C [auth E]	IPR012292	Globin/Protoglobin	Homologous Superfamily
A, C [auth E]	IPR000971	Globin	Domain
B, D [auth F]	IPR009050	Globin-like superfamily	Homologous Superfamily
B, D [auth F]	IPR012292	Globin/Protoglobin	Homologous Superfamily
B, D [auth F]	IPR000971	Globin	Domain
B, D [auth F]	IPR002337	Hemoglobin, beta-type	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 R01GM133198.