6CBV | pdb_00006cbv

Crystal structure of BRIL bound to an affinity matured synthetic antibody.

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: mpstruc

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth L]	d6cbvl2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth L]	d6cbvl1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth B]	d6cbvb_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome b562	Cytochrome b562	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A [auth H]	d6cbvh_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth B]	SCOP2B Superfamily	Cytochromes	8057879	3001526	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 [auth L]	C1-set	e6cbvL1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: C1-set	ECOD (develop294)
C [auth B]	C1-set	e6cbvB1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: C1-set	ECOD (develop294)
A [auth H]	C1-set	e6cbvH1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: C1-set	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B [auth L]	Synthetic antibody	L-KAPPA	Homo sapiens (human)	IGKV1-3901, IGKV1D-3901, IGKJ101, IGKC01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)
A [auth H]	Synthetic antibody	VH-CH1	Homo sapiens (human)	IGHV3-6601, IGHV3-6602, IGHV3-6604, IGHJ401, IGHJ402, IGHJ403, IGHG101, IGHG102, IGHG104, IGHG105, IGHG112, IGHG114, IGHG113, IGHG109, IGHG110, IGHG107, IGHG1*11	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L]	Light Chain	IGKV1	Kappa	bril	SAbDab (2026-03-20)
A [auth H]	Heavy Chain	IGHV3	-	bril	SAbDab (2026-03-20)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth L]	Light Chain, Fab fragment	-	-	-
C [auth B]	BRIL	binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	electron transport chain metabolic process cellular process generation of precursor metabolites and energy	cellular anatomical structure periplasmic space
A [auth H]	Heavy chain, Fab fragment	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth B]	IPR010980	Cytochrome c/b562	Homologous Superfamily
C [auth B]	IPR009155	Cytochrome b562	Family

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
C [auth B]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Cys-Loop Receptor Family	Nicotinic Acetylcholine α4β2 Receptor with varenicline in complex with anti-BRIL synthetic antibody BAK5

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.