2Q67
Crystal Structure of Nak channel D66A mutant
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 | 114 | 12785.3 | 2 | UniProt (Q81HW2) Pfam (PF07885) In PDB | Bacillus cereus | |
2 | A | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
3 | A | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
4 | water | water | 18.0 | 40 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 110 (UniProt: Q81HW2)
PDB | External Database | Details |
---|---|---|
Ala 66 | Asp 66 | engineered mutation |
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 | 25570.6 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 103.1 | |
All* | Total formula weight | 25673.7 |