1R3K
potassium channel KcsA-Fab complex in low concentration of Tl+
Summary for 1R3K
| Entry DOI | 10.2210/pdb1r3k/pdb |
| Related | 1K4C 1K4D 1R3I 1R3J 1R3L |
| Descriptor | Antibody Fab fragment light chain, Antibody Fab fragment heavy chain, Voltage-gated potassium channel, ... (5 entities in total) |
| Functional Keywords | membrane protein, potassium channel, kcsa-fab complex, thallium |
| Biological source | Streptomyces lividans More |
| Cellular location | Cell membrane; Multi-pass membrane protein: P0A334 |
| Total number of polymer chains | 3 |
| Total formula weight | 61296.73 |
| Authors | Zhou, Y.,MacKinnon, R. (deposition date: 2003-10-02, release date: 2003-11-25, Last modification date: 2023-08-23) |
| Primary citation | Zhou, Y.,MacKinnon, R. The occupancy of ions in the K+ selectivity filter: Charge balance and coupling of ion binding to a protein conformational change underlie high conduction rates J.Mol.Biol., 333:965-975, 2003 Cited by PubMed: 14583193DOI: 10.1016/j.jmb.2003.09.022 PDB entries with the same primary citation |
| Experimental method | X-RAY DIFFRACTION (2.8 Å) |
Structure validation
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