Annotations: 8W9H

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth B]		e8w9hB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
B [auth H]	Cytochrom_B559a	e8w9hH01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Cytochrom_B559a	ECOD (v295)
C [auth A]		e8w9hA1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
A [auth L]	Cytochrom_B559a	e8w9hL01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Cytochrom_B559a	ECOD (v295)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H], D [auth B]	Heavy Chain	IGHV1	-	-	SAbDab (2026-06-26)
A [auth L], C [auth A]	Light Chain	IGKV3	Kappa	-	SAbDab (2026-06-26)

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.

8W9H | pdb_00008w9h