3NFS | pdb_00003nfs

Crystal structure the Fab fragment of therapeutic antibody daclizumab


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth L]e3nfsL5 A: alpha bundlesX: Subtilisin-likeH: Subtilisin-likeT: Subtilisin-likeF:ECOD (develop294)
B [auth H]e3nfsH1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF:ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B [auth H]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 L]INN name L-KAPPA Homo sapiens (human) IGKV1-5*01, IGKV1-5*03, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202610-0)
B [auth H]INN name VH-CH1 Homo sapiens (human) IGHV1-46*01, IGHV1-46*03, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*01, IGHG1*02, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A [auth L]Light ChainIGKV1 Kappa-SAbDab (2026-03-20)
B [auth H]Heavy ChainIGHV1 --SAbDab (2026-03-20)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
A [auth L] Daclizumab IL2RA/CD25Therapeutic SAbDab (2026-03-20)
B [auth H] Daclizumab IL2RA/CD25Therapeutic SAbDab (2026-03-20)