The domain-swaped dimer of the HIV-1 CD4bs targeting antibody 21N13


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
D [auth B]Ferritine8d01B1 A: alpha arraysX: HTHH: HTHT: Three-helical HTHF: FerritinECOD (v295)
B [auth L]GP120e8d01L01 A: alpha arraysX: Rossmann-likeH: Rossmann-relatedT: FAD/NAD(P)-binding domainF: GP120ECOD (v295)
C [auth A]Ferritine8d01A1 A: alpha arraysX: HTHH: HTHT: Three-helical HTHF: FerritinECOD (v295)
A [auth H]GP120e8d01H01 A: alpha arraysX: Rossmann-likeH: Rossmann-relatedT: FAD/NAD(P)-binding domainF: GP120ECOD (v295)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L],
D [auth B]
Light ChainIGKV1 Kappa-SAbDab (2026-06-26)
A [auth H],
C [auth A]
Heavy ChainIGHV4 --SAbDab (2026-06-26)