Annotations: 1HRB

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1hrbb_	All alpha proteins	Four-helical up-and-down bundle	Hemerythrin-like	Hemerythrin-like	Hemerythrin	(Phascolopsis gouldii ) [TaxId: 6442 ],	SCOPe (2.08)
A	d1hrba_	All alpha proteins	Four-helical up-and-down bundle	Hemerythrin-like	Hemerythrin-like	Hemerythrin	(Phascolopsis gouldii ) [TaxId: 6442 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Hemerythrin-like	8018745	3001568	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Hemerythrin-like	8018745	3001568	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Hemerythrin_1	e1hrbB1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Hemerythrin (From Topology)	T: Hemerythrin	F: Hemerythrin_1	ECOD (1.6)
A	Hemerythrin_1	e1hrbA1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Hemerythrin (From Topology)	T: Hemerythrin	F: Hemerythrin_1	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	HEMERYTHRIN B	oxygen carrier activity molecular carrier activity cation binding transition metal ion binding iron ion binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002063	Haemerythrin	Family
A, B	IPR016131	Haemerythrin, iron-binding site	Binding Site
A, B	IPR012312	Hemerythrin-like	Domain
A, B	IPR035938	Hemerythrin-like superfamily	Homologous Superfamily
A, B	IPR050669	Hemerythrin	Family
A, B	IPR012827	Hemerythrin, metal-binding domain	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.