3TNM | pdb_00003tnm

Crystal structure of A32 Fab, an ADCC mediating anti-HIV-1 antibody


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth L]Avidine3tnmL1 A: alpha bundlesX: Globin-likeH: Nucleoside diphosphate kinasesT: Nucleoside diphosphate kinasesF: AvidinECOD (develop294)
D [auth B]V-sete3tnmB1 A: alpha bundlesX: beta-GraspH: HTHT: winged helix domainF: V-setECOD (develop294)
A [auth H]Avidine3tnmH1 A: alpha bundlesX: Globin-likeH: Nucleoside diphosphate kinasesT: Nucleoside diphosphate kinasesF: AvidinECOD (develop294)
C [auth A]Rrf2e3tnmA1 A: alpha bundlesX: beta-GraspH: HTHT: winged helix domainF: Rrf2ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
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)
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)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
B [auth L],
D [auth B]
A32 Fab, ADCC mediating anti-HIV-1 L-LAMBDA Homo sapiens (human) IGLV2-8*01, IGLJ2*01, IGLJ3*02, IGLJ3*01, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202610-0)
A [auth H],
C [auth A]
A32 Fab, ADCC mediating anti-HIV-1 VH-CH1 Homo sapiens (human) IGHV4-30-4*01, IGHV4-31*02, IGHV4-31*03, IGHJ3*02, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L],
D [auth B]
Light ChainIGLV2 Lambda-SAbDab (2026-03-20)
A [auth H],
C [auth A]
Heavy ChainIGHV4 --SAbDab (2026-03-20)