6S2J
Square conformation of KtrA R16K mutant ring with bound ATP
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Ktr system potassium uptake protein A | polymer | 222 | 24888.7 | 2 | UniProt (O32080) Pfam (PF02254) Pfam (PF02080) | Bacillus subtilis (strain 168) | K(+)-uptake protein KtrA |
| 2 | C, D (A) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 2 | Chemie (ATP) | |||
| 3 | E (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | F (A) | water | water | 18.0 | 2 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 222 (UniProt: O32080)
| PDB | External Database | Details |
|---|---|---|
| Lys 16 | Arg 16 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 49777.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 1038.7 | |
| All* | Total formula weight | 50816.2 |
