2A9H
NMR structural studies of a potassium channel / charybdotoxin complex
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 |
| E | 0005576 | cellular_component | extracellular region |
| E | 0008200 | molecular_function | ion channel inhibitor activity |
| E | 0015459 | molecular_function | potassium channel regulator activity |
| E | 0031640 | biological_process | killing of cells of another organism |
| E | 0035821 | biological_process | modulation of process of another organism |
| E | 0042742 | biological_process | defense response to bacterium |
| E | 0050832 | biological_process | defense response to fungus |
| E | 0090729 | molecular_function | toxin activity |
| E | 0099106 | molecular_function | ion channel regulator activity |
Functional Information from PROSITE/UniProt
| site_id | PS01138 |
| Number of Residues | 23 |
| Details | SCORP_SHORT_TOXIN Scorpion short toxins signature. CwsvCqrlhntsr.GKCMnkkCrC |
| Chain | Residue | Details |
| E | CYS813-CYS835 |
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 |
| site_id | SWS_FT_FI6 |
| Number of Residues | 7 |
| Details | Region: {"description":"Interaction with Ca(2+)-activated K(+) channels","evidences":[{"evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 1 |
| Details | Site: {"description":"Basic residue of the functional dyad","evidences":[{"evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
