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UCA Fab (unbound) from CH65-CH67 Lineage External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) D 14-3-3 e4hk0D1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: 14-3-3 ECOD (v295.2) B PK_Tyr_Ser-Thr e4hk0B1 A: alpha arrays X: GIY-YIG endonuclease H: GIY-YIG endonuclease T: GIY-YIG endonuclease F: PK_Tyr_Ser-Thr ECOD (v295.2) C BT_3987-like_N e4hk0C3 A: alpha arrays X: Fusion glycoprotein F2 H: Fusion glycoprotein F2 T: Fusion glycoprotein F2 F: BT_3987-like_N ECOD (v295.2) A V-set e4hk0A3 A: alpha arrays X: Subtilisin-like H: Subtilisin-like T: Subtilisin-like F: V-set ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source UCA FAB L-LAMBDA Homo sapiens (human) IGLV3-21*02, IGLJ2*01, IGLJ3*02, IGLJ3*01, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202640-0) UCA FAB VH-CH1 Homo sapiens (human) IGHV1-2*04, IGHJ6*01, IGHJ6*02, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202640-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source Light Chain IGLV3 Lambda - SAbDab (2026-10-16) Heavy Chain IGHV1 - - SAbDab (2026-10-16)