Annotations: 6P3B

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth L]	d6p3bl1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	Rhesus macaque (Macaca mulatta ) [TaxId: 9544 ],	SCOPe (2.08)
B [auth L]	d6p3bl2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Rhesus macaque (Macaca mulatta ) [TaxId: 9544 ],	SCOPe (2.08)
A [auth H]	d6p3bh_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Rhesus macaque (Macaca mulatta ) [TaxId: 9544 ],	SCOPe (2.08)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth L]	ATP-synt	e6p3bL1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: DUF1107-like	T: DUF1107-like	F: ATP-synt	ECOD (v294.1)
A [auth H]	ATP-synt	e6p3bH1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: DUF1107-like	T: DUF1107-like	F: ATP-synt	ECOD (v294.1)

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

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B [auth L]	Fab DH501, anti-gp120 (V3-glycan) [HIV-1], broadly neutralizing	L-LAMBDA	Macaca mulatta (Rhesus monkey)	IGLV1S301, IGLV1-1401, IGLJ301, IGLJ201, IGLC1*01	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-1_LAMBDA	IMGT (202612-0)
A [auth H]	Fab DH501, anti-gp120 (V3-glycan) [HIV-1], broadly neutralizing	VH-CH1	Macaca mulatta (Rhesus monkey)	IGHJ401, IGHG101	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_LAMBDA	IMGT (202612-0)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L]	Light Chain	IGLV1	Lambda	-	SAbDab (2026-03-27)
A [auth H]	Heavy Chain	IGHV2	-	-	SAbDab (2026-03-27)

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.

6P3B | pdb_00006p3b