4JAM | pdb_00004jam

Crystal structure of broadly neutralizing anti-hiv-1 antibody ch103


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth H]Rhve4jamH1 A: alpha bundlesX: HTHH: HTHT: winged helix domainF: RhvECOD (develop294)
C [auth A]SmpA_OmlAe4jamA1 A: alpha bundlesX: beta-GraspH: HTHT: winged helix domainF: SmpA_OmlAECOD (develop294)
B [auth L]Ig_2e4jamL3 A: alpha bundlesX: Subtilisin-likeH: Subtilisin-likeT: Subtilisin-likeF: Ig_2ECOD (develop294)
D [auth B]Ig_2e4jamB3 A: alpha bundlesX: Subtilisin-likeH: Subtilisin-likeT: Subtilisin-likeF: Ig_2ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C [auth A]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
D [auth B]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
A [auth H],
C [auth A]
CH103 mAb, anti-gp120 [HIV-1], broadly neutralizing VH-CH1 Homo sapiens (human) IGHV4-61*08, IGHJ2*01, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202610-0)
B [auth L],
D [auth B]
CH103 mAb, anti-gp120 [HIV-1], broadly neutralizing L-LAMBDA Homo sapiens (human) IGLV3-1*01, IGLJ6*01, IGLC1*02, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A [auth H],
C [auth A]
Heavy ChainIGHV4 --SAbDab (2026-03-20)
B [auth L],
D [auth B]
Light ChainIGLV3 Lambda-SAbDab (2026-03-20)