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Crystal Structure of therapeutic antibody MORAb-009 External Resource: Annotation Chains Domain Info Class Fold Superfamily Family Domain Species Provenance Source (Version) H d4f33h_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) F d4f33f_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) D d4f33d_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) B d4f33b_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) G d4f33g2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) G d4f33g1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) E d4f33e2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) E d4f33e1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) C d4f33c2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) C d4f33c1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) A d4f33a2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) A d4f33a1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) H ABC_tran e4f33H1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: ABC_tran ECOD (v295.2) F ABC_tran e4f33F1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: ABC_tran ECOD (v295.2) D ABC_tran e4f33D1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: ABC_tran ECOD (v295.2) B SusD-like e4f33B1 A: alpha arrays X: Flavodoxin-like H: SH3 T: SH3 F: SusD-like ECOD (v295.2) G ABC_tran e4f33G1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: ABC_tran ECOD (v295.2) E ABC_tran e4f33E1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: ABC_tran ECOD (v295.2) C ABC_tran e4f33C1 A: alpha arrays X: beta-Grasp H: Ubiquitin-related T: Ubiquitin-like F: ABC_tran ECOD (v295.2) A SusD-like e4f33A1 A: alpha arrays X: Flavodoxin-like H: SH3 T: SH3 F: SusD-like ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source MORAb-009 Fab VH-CH1 Chimeric (chimeric) IGHV1-37*01, IGHJ2*01, IGHJ2*02, IGHJ2*03, IGHG1*01, IGHG1*02, IGHG1*04 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202636-0) MORAb-009 Fab L-KAPPA Chimeric (chimeric) IGKV4-59*01, IGKJ4*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202636-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source Heavy Chain IGHV1 - - SAbDab (2026-09-18) Light Chain IGKV4 Kappa - SAbDab (2026-09-18)
Chain Name Target Provenance Source Amatuximab MSLN Therapeutic SAbDab (2026-09-18) Amatuximab MSLN Therapeutic SAbDab (2026-09-18)
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