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CRYSTAL STRUCTURE OF THE FAB FRAGMENT FROM THE HUMAN MYELOMA IMMUNOGLOBULIN IGG HIL AT 1.8 ANGSTROMS RESOLUTION External Resource: Annotation Chains Domain Info Class Fold Superfamily Family Domain Species Provenance Source (Version) D d8fabd1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin heavy chain variable domain, VH Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08) D d8fabd2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08) B d8fabb1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin heavy chain variable domain, VH Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08) B d8fabb2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08) C d8fabc1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin light chain lambda variable domain, VL-lambda Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08) C d8fabc2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin light chain lambda constant domain, CL-lambda Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08) A d8faba1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin light chain lambda variable domain, VL-lambda Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08) A d8faba2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin light chain lambda constant domain, CL-lambda Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) D Copper-bind e8fabD1 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 Copper-bind e8fabB1 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) C Copper-bind e8fabC1 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) A Copper-bind e8fabA1 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)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source Hil VH-CH1 Homo sapiens (human) IGHV3-33*01, IGHV3-33*04, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*01, IGHG1*02, IGHG1*04 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202637-0) Hil L-LAMBDA Homo sapiens (human) IGLV3-25*03, 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 (202637-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source Heavy Chain IGHV3 - - SAbDab (2026-09-25) Light Chain IGLV3 Lambda - SAbDab (2026-09-25)