7MDJ
The structure of KcsA in complex with a synthetic Fab
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Fab heavy chain | polymer | 229 | 24379.1 | 1 | synthetic construct | ||
| 2 | B (B) | Fab light chain | polymer | 215 | 23604.2 | 1 | synthetic construct | ||
| 3 | C (C) | pH-gated potassium channel KcsA | polymer | 124 | 13211.6 | 1 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) | Streptomyces lividans | Streptomyces lividans K+ channel,SKC1 |
| 4 | D, E, F, G (C) | POTASSIUM ION | non-polymer | 39.1 | 4 | Chemie (K) | |||
| 5 | H, I, J (A, B, C) | water | water | 18.0 | 127 | Chemie (HOH) |
Sequence modifications
C: 1 - 124 (UniProt: P0A334)
| PDB | External Database | Details |
|---|---|---|
| Ala 2 | Pro 2 | conflict |
| Cys 90 | Leu 90 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 61194.9 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 156.4 | |
| All* | Total formula weight | 61351.3 |
