3LDD
High resolution open MthK pore structure crystallized in 100 mM K+ and further soaked in 99 mM Na+/1 mM K+.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Calcium-gated potassium channel mthK | polymer | 82 | 9053.6 | 1 | UniProt (O27564) Pfam (PF07885) In PDB | Methanothermobacter thermautotrophicus | |
| 2 | A | POTASSIUM ION | non-polymer | 39.1 | 5 | Chemie (K) | |||
| 3 | water | water | 18.0 | 56 | Chemie (HOH) |
Sequence modifications
A: 18 - 99 (UniProt: O27564)
| PDB | External Database | Details |
|---|---|---|
| Arg 68 | Ser 68 | engineered mutation |
| Cys 77 | Val 77 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 9053.6 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 195.5 | |
| All* | Total formula weight | 9249.1 |
