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Crystal structure of monoclonal anti-CD4 antibody Q425 External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) B Copper-bind e2adgB1 A: alpha arrays X: Phage tail fiber protein trimerization domain H: Phage tail fiber protein trimerization domain T: Phage tail fiber protein trimerization domain F: Copper-bind ECOD (v295.2) B Sigma_1_2 e2adgB2 A: alpha arrays X: Globin-like H: Globin-like T: Globin-like F: Sigma_1_2 ECOD (v295.2) A Ig_2 e2adgA7 A: alpha arrays X: Subtilisin-like H: Subtilisin-like T: Subtilisin-like F: Ig_2 ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source Q425 VH-CH1 Mus musculus (house mouse) IGHV5-6-1*01, IGHV5-6*01, IGHJ2*01, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202636-0) Q425 L-KAPPA Mus musculus (house mouse) IGKV17-121*01, IGKJ2*03, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202636-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source Heavy Chain IGHV5 - - SAbDab (2026-09-18) Light Chain IGKV17 Kappa - SAbDab (2026-09-18)