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Crystal structure of the antibody-binding region of Protein M (Protein M TD) in complex with anti-HIV antibody PGT135 Fab External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) A [auth H] V-set_8 e4nzrH2 A: beta sandwiches X: Immunoglobulin-like beta-sandwich H: Immunoglobulin-related T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like F: V-set_8 ECOD (1.6) A [auth H] C1-set_1 e4nzrH1 A: beta sandwiches X: Immunoglobulin-like beta-sandwich H: Immunoglobulin-related T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like F: C1-set_1 ECOD (1.6) B [auth L] C1-set_4 e4nzrL1 A: beta sandwiches X: Immunoglobulin-like beta-sandwich H: Immunoglobulin-related T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like F: C1-set_4 ECOD (1.6) B [auth L] V-set e4nzrL2 A: beta sandwiches X: Immunoglobulin-like beta-sandwich H: Immunoglobulin-related T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like F: V-set ECOD (1.6) C [auth M] prot_M_MG281 e4nzrM1 A: beta duplicates or obligate multimers X: Single-stranded right-handed beta-helix H: Protein M antibody-binding region (From Topology) T: Protein M antibody-binding region F: prot_M_MG281 ECOD (1.6)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source A [auth H] PGT135 mAb, anti-gp120 [HIV-1], broadly neutralizing VH-CH1 Homo sapiens (human) IGHV4-39*01, IGHV4-39*02, IGHV4-39*07, IGHV4-38-2*02, IGHJ5*01, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202415-0) B [auth L] PGT135 mAb, anti-gp120 [HIV-1], broadly neutralizing L-KAPPA Homo sapiens (human) IGKV3-15*01, IGKV3D-15*01, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202415-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source A [auth H] Heavy Chain IGHV4 - protein m td SAbDab (2024-04-19) B [auth L] Light Chain IGKV3 Kappa protein m td SAbDab (2024-04-19)
Chains Accession Name Description Comments Source C [auth M] PF20757 Protein M antibody-binding region (M_Ab-bd) Protein M antibody-binding region This domain is found in proteins from Mycoplasmaceae, including Uncharacterized protein MG281 from Mycoplasma genitalium, also known as protein M. This virulence protein consists of two domains. The larger one (this entry) binds the IgG light chain t ... This domain is found in proteins from Mycoplasmaceae, including Uncharacterized protein MG281 from Mycoplasma genitalium, also known as protein M. This virulence protein consists of two domains. The larger one (this entry) binds the IgG light chain to block the binding of antibody to antigen. It includes a leucine-rich repeat (LRR)-like subdomain, which faces away from the antibody molecule [1]. Less Domain
Chains Polymer Molecular Function Biological Process Cellular Component A [auth H] PGT135 heavy chain - - - B [auth L] PGT135 light chain - - - C [auth M] Protein M TD - -