3Q6G | pdb_00003q6g

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D [auth I]	d3q6gi_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Macaca mulatta ) [TaxId: 9544 ],	SCOPe (2.08)
B [auth H]	d3q6gh_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Macaca mulatta ) [TaxId: 9544 ],	SCOPe (2.08)
C [auth M]	d3q6gm2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Macaca mulatta ) [TaxId: 9544 ],	SCOPe (2.08)
C [auth M]	d3q6gm1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Macaca mulatta ) [TaxId: 9544 ],	SCOPe (2.08)
A [auth L]	d3q6gl2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Macaca mulatta ) [TaxId: 9544 ],	SCOPe (2.08)
A [auth L]	d3q6gl1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Macaca mulatta ) [TaxId: 9544 ],	SCOPe (2.08)

Chains	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth I]	e3q6gI1	A: Alpha-beta plaits	X: Phage tail protein-like	H: Transmembrane protein 14A	T: PQQ_2	F:	ECOD (20:10:01)
B [auth H]	e3q6gH1	A: EF-hand	X: Insect pheromone/odorant-binding proteins	H: Insect pheromone/odorant-binding proteins	T: PH	F:	ECOD (20:10:01)
C [auth M]	e3q6gM1	A: Alpha-beta plaits	X: Phage tail protein-like	H: Transmembrane protein 14A	T: PQQ_2	F:	ECOD (20:10:01)
A [auth L]	e3q6gL1	A: Thioredoxin-like	X: Thioredoxin-like	H: Thioredoxin-like	T: Rubrerythrin	F:	ECOD (20:10:01)

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

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B [auth H], D [auth I]	2.5B mAb, anti-gp120 [HIV-1]	VH-CH1	Homo sapiens (human)	IGHV4-5901, IGHV4-5908, IGHJ601, IGHJ602, IGHG101, IGHG102, IGHG1*03	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_LAMBDA	IMGT (202609-0)
A [auth L], C [auth M]	2.5B mAb, anti-gp120 [HIV-1]	L-LAMBDA	Homo sapiens (human)	IGLV3-2102, IGLJ201, IGLJ301, IGLC601	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-1_LAMBDA	IMGT (202609-0)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H], D [auth I]	Heavy Chain	IGHV4	-	-	SAbDab (2026-03-13)
A [auth L], C [auth M]	Light Chain	IGLV3	Lambda	-	SAbDab (2026-03-13)

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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