3STZ
KcsA potassium channel mutant Y82C with nitroxide spin label
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | antibody Fab fragment heavy chain | polymer | 219 | 23411.2 | 1 | Mus musculus | ||
| 2 | B (B) | antibody Fab fragment light chain | polymer | 212 | 23435.7 | 1 | Mus musculus | ||
| 3 | C (C) | Voltage-gated potassium channel | polymer | 102 | 10841.6 | 1 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) | Streptomyces lividans | |
| 4 | D (C) | S-[(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl] methanesulfonothioate | non-polymer | 264.4 | 1 | Chemie (MTN) | |||
| 5 | E, F, G, H, I (C) | POTASSIUM ION | non-polymer | 39.1 | 5 | Chemie (K) | |||
| 6 | J (C) | water | water | 18.0 | 4 | Chemie (HOH) |
Sequence modifications
C: 23 - 124 (UniProt: P0A334)
| PDB | External Database | Details |
|---|---|---|
| Cys 82 | Tyr 82 | ENGINEERED MUTATION |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 57688.6 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 459.9 | |
| All* | Total formula weight | 58148.5 |
