Fab fragment of HIV vaccine-elicited CD4bs-directed antibody, GE356, from a non-human primate


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
C [auth A]V-sete4q2zA1 A: a/b three-layered sandwichesX: DP domainH: DP domainT: DP domainF: V-setECOD (v294.1)
A [auth H]V-sete4q2zH1 A: a/b three-layered sandwichesX: DP domainH: DP domainT: DP domainF: V-setECOD (v294.1)
D [auth B]V-sete4q2zB1 A: a/b three-layered sandwichesX: DP domainH: DP domainT: DP domainF: V-setECOD (v294.1)
B [auth L]V-sete4q2zL1 A: a/b three-layered sandwichesX: DP domainH: DP domainT: DP domainF: V-setECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
C [auth A]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)
D [auth B]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)

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]
Vaccine-elicited CD4BS Fab, anti-HIV1 VH-CH1 Homo sapiens (human) IGHV1-2*02, IGHV1-46*01, IGHV1-46*03, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202615-0)
B [auth L],
D [auth B]
Vaccine-elicited CD4BS Fab, anti-HIV1 L-LAMBDA Homo sapiens (human) IGLV1-40*01, IGLJ3*02, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202615-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A [auth H],
C [auth A]
Heavy ChainIGHV1 --SAbDab (2026-04-24)
B [auth L],
D [auth B]
Light ChainIGLV1 Lambda-SAbDab (2026-04-24)