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Crystal structure of an anti-SARS-CoV-2 human neutralizing antibody Fab fragment, C102 External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) B C2 e7k8nB1 A: alpha arrays X: putative RnfG subunit of electron transport complex H: putative RnfG subunit of electron transport complex T: Aspartate/ornithine carbamoyltransferase F: C2 ECOD (v295.2) A C2 e7k8nA1 A: alpha arrays X: putative RnfG subunit of electron transport complex H: putative RnfG subunit of electron transport complex T: Aspartate/ornithine carbamoyltransferase F: C2 ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source Fab C102, anti-SARS-CoV-2 S RBD, neutralizing L-KAPPA Homo sapiens (human) IGKV3-20*01, IGKJ1*01, IGKJ4*01, IGKJ2*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202637-0) Fab C102, anti-SARS-CoV-2 S RBD, neutralizing VH-CH1 Homo sapiens (human) IGHV3-53*01, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*03, IGHG1*08, IGHG1*06 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202637-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source Light Chain IGKV3 Kappa - SAbDab (2026-09-25) Heavy Chain IGHV3 - - SAbDab (2026-09-25)