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THREE-DIMENSIONAL STRUCTURE OF A HUMAN IMMUNOGLOBULIN WITH A HINGE DELETION External Resource: Annotation Chains Domain Info Class Fold Superfamily Family Domain Species Provenance Source (Version) A [auth L] d1mcol1 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 [auth L] d1mcol2 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) B [auth H] d1mcoh1 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 [auth H] d1mcoh2 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 [auth H] d1mcoh3 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 2, CH2-gamma Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08) B [auth H] d1mcoh4 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 3, CH3-gamma Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) A [auth L] Copper-bind e1mcoL1 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 [auth H] Copper-bind e1mcoH1 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 A [auth L] Mcg L-LAMBDA Homo sapiens (human) IGLV2-8*01, IGLJ1*01, IGLC1*02 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG H-GAMMA-1_LAMBDA IMGT (202636-0) B [auth H] Mcg H-GAMMA-1 Homo sapiens (human) IGHV4-30-4*01, IGHV4-30-4*02, IGHV4-59*01, IGHV4-59*08, IGHJ5*02, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1, C-DOMAIN CH2, C-DOMAIN CH3 IG H-GAMMA-1_LAMBDA IMGT (202636-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source A [auth L] Light Chain IGLV2 Lambda - SAbDab (2026-09-18) B [auth H] Heavy Chain IGHV4 - - SAbDab (2026-09-18)