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Crystal structure of the Fab fragment of B5209B, a murine monoclonal antibody specific for the fifth immunoglobulin domain (Ig5) of human ROBO1 External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) B [auth H] C1-set e6a76H1 A: alpha arrays X: PriB N-terminal domain-like H: Ubiquitin-related T: Ubiquitin-like F: C1-set ECOD (v295.2) A [auth L] C1-set e6a76L1 A: alpha arrays X: PriB N-terminal domain-like H: Ubiquitin-related T: Ubiquitin-like F: C1-set ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source B [auth H] Fab B5209B VH-CH1 Mus musculus (house mouse) IGHV5-6-3*01, IGHJ4*01, IGHG2B*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-2B_KAPPA IMGT (202642-0) A [auth L] Fab B5209B L-KAPPA Mus musculus (house mouse) IGKV12-89*01, IGKJ4*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-2B_KAPPA IMGT (202642-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source B [auth H] Heavy Chain IGHV5 - GLYCEROL SAbDab (2026-10-30) A [auth L] Light Chain IGKV12 Kappa GLYCEROL SAbDab (2026-10-30)