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Cetuximab Fab in complex with MPT-Cys meditope External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) D RRM_1 e5id1D1 A: alpha arrays X: beta-propeller-like H: beta-propeller T: 9-bladed F: RRM_1 ECOD (v295.2) B RRM_1 e5id1B1 A: alpha arrays X: beta-propeller-like H: beta-propeller T: 9-bladed F: RRM_1 ECOD (v295.2) C RRM_1 e5id1C1 A: alpha arrays X: beta-propeller-like H: beta-propeller T: 9-bladed F: RRM_1 ECOD (v295.2) A RRM_1 e5id1A1 A: alpha arrays X: beta-propeller-like H: beta-propeller T: 9-bladed F: RRM_1 ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source INN name VH-CH1 Chimeric (chimeric) IGHV2-2*03, IGHJ3*01, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202637-0) INN name L-KAPPA Chimeric (chimeric) IGKV5-48*01, IGKJ5*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202637-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source Heavy Chain IGHV2 - - SAbDab (2026-09-25) Light Chain IGKV5 Kappa - SAbDab (2026-09-25)
Chain Name Target Provenance Source Ficerafusp EGFR/ERBB1/HER1, ERBB3/HER3 Therapeutic SAbDab (2026-09-25) Cetuximab EGFR/ERBB1/HER1, ERBB3/HER3 Therapeutic SAbDab (2026-09-25)