Crystal structure of the Fab fragment of anti-osteocalcin C-terminal peptide antibody KTM219


Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth L]V-sete5x5xL1 A: beta barrelsX: FAD-linked reductases, C-terminal domain-likeH: FAD-linked reductases-CT: FAD-linked reductases-CF: V-setECOD (v294.2)
A [auth H]V-sete5x5xH1 A: beta barrelsX: FAD-linked reductases, C-terminal domain-likeH: FAD-linked reductases-CT: FAD-linked reductases-CF: V-setECOD (v294.2)

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 KTM219 L-KAPPA Mus musculus (house mouse) IGKV1-110*01, IGKJ2*01, IGKC*03 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202617-0)
A [auth H]Fab KTM219 VH-CH1 Mus musculus (house mouse) IGHV1-69*02, IGHJ1*01, IGHJ1*02, IGHJ1*03, IGHJ2*01, IGHJ4*01, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L]Light ChainIGKV1 Kappa-SAbDab (2026-05-08)
A [auth H]Heavy ChainIGHV1 --SAbDab (2026-05-08)