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KcsA with V76ester+G77dA mutations External Resource: Annotation Chains Domain Info Class Fold Superfamily Family Domain Species Provenance Source (Version) C d5ec2c_ Membrane and cell surface proteins and peptides Gated ion channels Voltage-gated ion channels Voltage-gated potassium channels Potassium channel protein Streptomyces lividans ) [TaxId: 1916 ], SCOPe (2.08) B d5ec2b1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin light chain kappa variable domain, VL-kappa house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) B d5ec2b2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin light chain kappa constant domain, CL-kappa house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) A d5ec2a1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) Immunoglobulin heavy chain variable domain, VH house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) A d5ec2a2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08) A d5ec2a3 Artifacts Tags Tags Tags N-terminal Tags house mouse (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
Chains Type Family Name Domain Identifier Family Identifier Provenance Source (Version) C SCOP2B Superfamily Voltage-gated potassium channels 8003437 3000023 SCOP2B (2022-06-29)
Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) C Transthyretin e5ec2C1 A: alpha arrays X: Inserted helical domain in fatty acid synthase subunit beta H: Voltage-gated ion channels T: Voltage-gated ion channels F: Transthyretin ECOD (v295.2) B Transthyretin e5ec2B1 A: alpha arrays X: Inserted helical domain in fatty acid synthase subunit beta H: Voltage-gated ion channels T: Voltage-gated ion channels F: Transthyretin ECOD (v295.2) A Transthyretin e5ec2A1 A: alpha arrays X: Inserted helical domain in fatty acid synthase subunit beta H: Voltage-gated ion channels T: Voltage-gated ion channels F: Transthyretin ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source Fab L-KAPPA Mus musculus (house mouse) IGKV5-48*01, IGKJ4*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202636-0) Fab VH-CH1 Mus musculus (house mouse) IGHV1S81*02, IGHJ1*01, IGHJ1*02, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202636-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source Light Chain IGKV5 Kappa ph-gated potassium channel kcsa SAbDab (2026-09-18) Heavy Chain IGHV1 - ph-gated potassium channel kcsa SAbDab (2026-09-18)
Chains Polymer Molecular Function Biological Process Cellular Component pH-gated potassium channel KcsA Antibody Fab Fragment Light Chain - - - Antibody Fab Fragment Light Chain - - -
Protein Modification Annotation