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Crystal Structure of Monoclonal Antibody 2D12.5 Fab Complexed with Gd-DOTA External Resource: Annotation Chains Domain Info Class Fold Superfamily Family Domain Species Provenance Source (Version) D d1nc4d1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin heavy chain variable domain, VH Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) D d1nc4d2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) B d1nc4b1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin heavy chain variable domain, VH Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) B d1nc4b2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) C d1nc4c1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin light chain lambda variable domain, VL-lambda Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) C d1nc4c2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin light chain lambda constant domain, CL-lambda Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) A d1nc4a1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin light chain lambda variable domain, VL-lambda Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) A d1nc4a2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin light chain lambda constant domain, CL-lambda Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) D Copper-bind e1nc4D1 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 e1nc4B1 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 e1nc4C1 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 e1nc4A1 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 2D12.5 VH-CH1 Mus musculus (house mouse) IGHV2-2*02, IGHJ1*01, IGHJ1*02, IGHJ1*03, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202637-0) 2D12.5 VH-CH1 Mus musculus (house mouse) IGHV2-2*02, IGHJ1*01, IGHJ1*02, IGHJ1*03, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202637-0) 2D12.5 L-LAMBDA Mus musculus (house mouse) IGLV1*01, IGLJ1*01, IGLC1*01 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 IGHV2 - (S)-2-(4-NITROBENZYL)-1,4,7,10-TETRAAZACYCLODODECANE-N,N',N'',N'''-TETRAACETATE SAbDab (2026-09-25) Heavy Chain IGHV2 - (S)-2-(4-NITROBENZYL)-1,4,7,10-TETRAAZACYCLODODECANE-N,N',N'',N'''-TETRAACETATE SAbDab (2026-09-25) Light Chain IGLV1 Lambda (S)-2-(4-NITROBENZYL)-1,4,7,10-TETRAAZACYCLODODECANE-N,N',N'',N'''-TETRAACETATE SAbDab (2026-09-25)
Protein Modification Annotation Modified Residue(s) Chain Residue(s) Description PCA Parent Component: GLN RESID AA0031 PSI-MOD MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420