3MOM | pdb_00003mom

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Heme-binding protein A (HasA)	8085666	3000777	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Heme-binding protein A (HasA)	8085666	3000777	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Cytochrome_CBB3	e3momB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Cytochrome_CBB3	ECOD (v294.1)
A	Cytochrome_CBB3	e3momA1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Cytochrome_CBB3	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.1500.10	Alpha Beta	2-Layer Sandwich	Heme-binding Protein A	Chain: A	CATH (4.3.0)
A	3.30.1500.10	Alpha Beta	2-Layer Sandwich	Heme-binding Protein A	Chain: A	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Heme acquisition protein HasAp	cation binding ion binding binding metal ion binding small molecule binding	-	-

Chains	Accession	Name	Type
A, B	IPR010495	Haem-binding HasA	Family
A, B	IPR036912	Haem-binding HasA superfamily	Homologous Superfamily

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.

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