4FZE | pdb_00004fze

Crystal structure of N26_i1 Fab, an ADCC mediating anti-HIV-1 antibody.


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth H]V-sete4fzeH3 A: a/b three-layered sandwichesX: Subtilisin-likeH: Subtilisin-likeT: Subtilisin-likeF: V-setECOD (v294.1)
A [auth L]V-sete4fzeL1 A: a/b three-layered sandwichesX: PBZ domainH: PBZ domainT: PBZ domainF: V-setECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A [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
B [auth H]N26_I1 FAB VH-CH1 Homo sapiens (human) IGHV1-69*06, IGHV1-69*08, IGHV1-69*10, IGHV1-69*14, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202612-0)
A [auth L]N26_I1 FAB L-LAMBDA Homo sapiens (human) IGLV3-1*01, IGLJ2*01, IGLJ3*01, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202612-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H]Heavy ChainIGHV1 --SAbDab (2026-03-27)
A [auth L]Light ChainIGLV3 Lambda-SAbDab (2026-03-27)