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Crystal structure of chimeric antibody X836 External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) B [auth H] Cytochrome_CBB3 e3mbxH1 A: alpha arrays X: Alpha-beta plaits H: Phage tail protein-like T: Transmembrane protein 14A F: Cytochrome_CBB3 ECOD (v295.2) A [auth L] Chitin_bind_1 e3mbxL1 A: alpha arrays X: HTH H: HTH T: tetra-helical, lambda repressor-like F: Chitin_bind_1 ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source B [auth H] Fab X836 VH-CH1 Chimeric (chimeric) IGHV8-8*01, IGHJ3*01, IGHG1*01, IGHG1*02, IGHG1*04 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202638-0) A [auth L] Fab X836 L-KAPPA Chimeric (chimeric) IGKV8-30*01, IGKJ4*01, IGKC*03 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202638-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source B [auth H] Heavy Chain IGHV8 - - SAbDab (2026-10-02) A [auth L] Light Chain IGKV8 Kappa - SAbDab (2026-10-02)
Protein Modification Annotation Modified Residue(s) Chain Residue(s) Description B [auth H] PCA Parent Component: GLN RESID :  AA0031 PSI-MOD :  2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420