3LDE
High resolution open MthK pore structure crystallized in 100 mM K+ and further soaked in 100 mM Na+.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Calcium-gated potassium channel mthK | polymer | 82 | 9034.6 | 1 | UniProt (O27564) Pfam (PF07885) | Methanothermobacter thermautotrophicus | |
| 2 | B, C, D, E (A) | SODIUM ION | non-polymer | 23.0 | 4 | Chemie (NA) | |||
| 3 | F (A) | water | water | 18.0 | 27 | Chemie (HOH) |
Sequence modifications
A: 18 - 99 (UniProt: O27564)
| PDB | External Database | Details |
|---|---|---|
| His 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 | 9034.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 92.0 | |
| All* | Total formula weight | 9126.5 |
