1JVM
KCSA POTASSIUM CHANNEL WITH TBA (TETRABUTYLAMMONIUM) AND RUBIDIUM
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Voltage-gated potassium channel | polymer | 125 | 13358.8 | 4 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) | Streptomyces lividans | |
| 2 | E, F, G (A) | RUBIDIUM ION | non-polymer | 85.5 | 3 | Chemie (RB) | |||
| 3 | H (A) | TETRABUTYLAMMONIUM ION | non-polymer | 242.5 | 1 | Chemie (TBA) | |||
| 4 | I (D) | water | water | 18.0 | 1 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 125 (UniProt: P0A334)
| PDB | External Database | Details |
|---|---|---|
| Ala 2 | Pro 2 | engineered mutation |
| Cys 90 | Leu 90 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 53435.0 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 498.9 | |
| All* | Total formula weight | 53933.9 |
