Annotations: 6VLW

Crystal Structure of 426cOD in Complex with VRC01 Fab

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth G]	LRR_1,LRR_8	e6vlwG1	A: beta barrels	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F: LRR_1,LRR_8	ECOD (v294.2)
B [auth L]	LRR_1,LRR_8	e6vlwL1	A: beta barrels	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F: LRR_1,LRR_8	ECOD (v294.2)
A [auth H]	LRR_1,LRR_8	e6vlwH1	A: beta barrels	X: cradle loop barrel	H: N-terminal domain of poxin	T: N-terminal domain of poxin	F: LRR_1,LRR_8	ECOD (v294.2)

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 (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]	Fab VRC01, anti-gp120 CD4-binding site (CD4bs) [HIV-1], broadly	L-KAPPA	Homo sapiens (human)	IGKV3-2001, IGKJ101, IGKC*01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202618-0)
A [auth H]	Fab VRC01, anti-gp120 CD4-binding site (CD4bs) [HIV-1], broadly	H-GAMMA-1	Homo sapiens (human)	IGHV1-1801, IGHV1-1804, IGHJ301, IGHJ302, IGHJ601, IGHJ604, IGHG103, IGHG108, IGHG1*06	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202618-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L]	Light Chain	IGKV3	Kappa	426cod	SAbDab (2026-05-15)

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A [auth H]	PCA	Parent Component: GLN : AA0031 : 2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420

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