3HI5 | pdb_00003hi5

Crystal structure of Fab fragment of AL-57


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth L]HTH_3e3hi5L1 A: a/b three-layered sandwichesX: HTHH: HTHT: tetra-helical, lambda repressor-likeF: HTH_3ECOD (v294.1)
A [auth H]HD,HD_assoc_2e3hi5H1 A: a/b three-layered sandwichesX: Spectrin repeat-likeH: SH3T: SH3F: HD,HD_assoc_2ECOD (v294.1)

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)
A [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
B [auth L]Fab AL-57 L-KAPPA Homo sapiens (human) IGKV1-39*01, IGKV1D-39*01, IGKJ1*01, IGKJ2*03, IGKJ2*04, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-4_KAPPA IMGT (202611-0)
A [auth H]Fab AL-57 VH-CH1 Homo sapiens (human) IGHV3-23*01, IGHJ3*02, IGHG4*01, IGHG4*04 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-4_KAPPA IMGT (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L]Light ChainIGKV1 Kappa-SAbDab (2026-03-27)
A [auth H]Heavy ChainIGHV3 --SAbDab (2026-03-27)