2CN4 | pdb_00002cn4

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d2cn4b_	Alpha and beta proteins (a+b)	Heme-binding protein A (HasA)	Heme-binding protein A (HasA)	Heme-binding protein A (HasA)	automated matches	(Serratia marcescens ) [TaxId: 615 ],	SCOPe (2.08)
A	d2cn4a_	Alpha and beta proteins (a+b)	Heme-binding protein A (HasA)	Heme-binding protein A (HasA)	Heme-binding protein A (HasA)	automated matches	(Serratia marcescens ) [TaxId: 615 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Heme-binding protein A (HasA)	8034957	3000777	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Heme-binding protein A (HasA)	8034957	3000777	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e2cn4B1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: NTP_transf_2, PAP_NTPase	F:	ECOD (20:10:01)
A		e2cn4A1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: NTP_transf_2, PAP_NTPase	F:	ECOD (20:10:01)

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	HEMOPHORE HASA	cation binding ion binding binding metal ion binding small molecule binding	-	cellular anatomical structure extracellular region

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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