7M2H
Structural Snapshots of Intermediates in the Gating of a K+ Channel
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, D | Fab heavy chain | polymer | 219 | 23411.2 | 2 | Mus musculus (Mouse) | ||
| 2 | B, E | Fab light chain | polymer | 212 | 23435.7 | 2 | Mus musculus (Mouse) | ||
| 3 | C, F | pH-gated potassium channel KcsA | polymer | 125 | 13329.7 | 2 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) In PDB | Streptomyces lividans | Streptomyces lividans K+ channel,SKC1 |
| 4 | A, D | NONAN-1-OL | non-polymer | 144.3 | 2 | Chemie (F09) | |||
| 5 | C, F | POTASSIUM ION | non-polymer | 39.1 | 12 | Chemie (K) | |||
| 6 | C, F | DIACYL GLYCEROL | non-polymer | 625.0 | 2 | Chemie (DGA) | |||
| 7 | C, F | TETRABUTYLAMMONIUM ION | non-polymer | 242.5 | 2 | Chemie (TBA) | |||
| 8 | water | water | 18.0 | 127 | Chemie (HOH) |
Sequence modifications
C, F: 3 - 125 (UniProt: P0A334)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | initiating methionine |
| Ala 2 | - | expression tag |
| Phe 67 | Trp 67 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 120353.4 | |
| Non-Polymers* | Number of molecules | 18 |
| Total formula weight | 2492.6 | |
| All* | Total formula weight | 122846.1 |
