1BL8
POTASSIUM CHANNEL (KCSA) FROM STREPTOMYCES LIVIDANS
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005249 | molecular_function | voltage-gated potassium channel activity |
| A | 0006813 | biological_process | potassium ion transport |
| A | 0008076 | cellular_component | voltage-gated potassium channel complex |
| B | 0005249 | molecular_function | voltage-gated potassium channel activity |
| B | 0006813 | biological_process | potassium ion transport |
| B | 0008076 | cellular_component | voltage-gated potassium channel complex |
| C | 0005249 | molecular_function | voltage-gated potassium channel activity |
| C | 0006813 | biological_process | potassium ion transport |
| C | 0008076 | cellular_component | voltage-gated potassium channel complex |
| D | 0005249 | molecular_function | voltage-gated potassium channel activity |
| D | 0006813 | biological_process | potassium ion transport |
| D | 0008076 | cellular_component | voltage-gated potassium channel complex |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE K A 401 |
| Chain | Residue |
| C | TYR78 |
| D | GLY77 |
| D | TYR78 |
| A | GLY77 |
| A | TYR78 |
| B | GLY77 |
| B | TYR78 |
| C | GLY77 |
| site_id | AC2 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE K A 402 |
| Chain | Residue |
| A | THR75 |
| A | VAL76 |
| A | K403 |
| B | THR75 |
| B | VAL76 |
| C | THR75 |
| C | VAL76 |
| D | THR75 |
| D | VAL76 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE K A 403 |
| Chain | Residue |
| A | THR75 |
| A | K402 |
| B | THR75 |
| C | THR75 |
| D | THR75 |
| site_id | SEL |
| Number of Residues | 4 |
| Details | FILTER TO SELECT FOR POTASSIUM IONS OVER OTHER MONOVALENT CATIONS. |
| Chain | Residue |
| A | VAL76 |
| A | GLY77 |
| A | TYR78 |
| A | GLY79 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 180 |
| Details | Transmembrane: {"description":"Helical"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 64 |
| Details | Topological domain: {"description":"Extracellular"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 40 |
| Details | Intramembrane: {"description":"Helical; Pore-forming"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 28 |
| Details | Intramembrane: {"description":"Pore-forming"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 20 |
| Details | Motif: {"description":"Selectivity filter"} |
| Chain | Residue | Details |
