7MJT
KcsA open gate E71V mutant with Barium
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 | 96 | 10133.9 | 1 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) | Streptomyces lividans | Streptomyces lividans K+ channel,SKC1 |
| 4 | D (C) | BARIUM ION | non-polymer | 137.3 | 1 | Chemie (BA) |
Sequence modifications
C: 26 - 121 (UniProt: P0A334)
| PDB | External Database | Details |
|---|---|---|
| Cys 28 | Ala 28 | engineered mutation |
| Val 71 | Glu 71 | engineered mutation |
| Cys 90 | Leu 90 | engineered mutation |
| Gln 117 | Arg 117 | engineered mutation |
| Cys 118 | Glu 118 | engineered mutation |
| Gln 120 | Glu 120 | engineered mutation |
| Gln 121 | Arg 121 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 58117.2 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 137.3 | |
| All* | Total formula weight | 58254.5 |
