8CU3
Structure of a K+ selective NaK mutant (NaK2K, Laue diffraction) in the presence of an electric field of ~0.8MV/cm along the crystallographic z axis, 200ns, with eightfold extrapolation of structure factor differences
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Potassium channel protein | polymer | 96 | 10640.5 | 2 | UniProt (B7HBV5) Pfam (PF07885) In PDB | Bacillus cereus m1550 | |
| 2 | D | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 1 | In PDB GlyTouCan (G07411ON) | |||
| 3 | A, B | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 16 | Chemie (MPD) | |||
| 4 | B, A | POTASSIUM ION | non-polymer | 39.1 | 11 | Chemie (K) | |||
| 5 | water | water | 18.0 | 50 | Chemie (HOH) |
Sequence modifications
A, B: 20 - 110 (UniProt: B7HBV5)
| PDB | External Database | Details |
|---|---|---|
| Ala 19 | - | expression tag |
| Tyr 66 | Asp 66 | conflict |
| Asp 68 | Asn 68 | conflict |
| Leu 111 | - | expression tag |
| Val 112 | - | expression tag |
| Pro 113 | - | expression tag |
| Arg 114 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 21281.0 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 342.3 | |
| Non-Polymers* | Number of molecules | 27 |
| Total formula weight | 2320.9 | |
| All* | Total formula weight | 23944.1 |
