3ZRS
X-ray crystal structure of a KirBac potassium channel highlights a mechanism of channel opening at the bundle-crossing gate.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | ATP-SENSITIVE INWARD RECTIFIER POTASSIUM CHANNEL 10 | polymer | 301 | 33852.9 | 1 | UniProt (D9N164) Pfam (PF01007) Pfam (PF07885) Pfam (PF17655) | MAGNETOSPIRILLUM MAGNETOTACTICUM | KIRBAC 3.1, KIRBAC3.1 POTASSIUM CHANNEL, POTASSIUM CHANNEL |
| 2 | B, C (A) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 3 | D, E, F, G, H (A) | POTASSIUM ION | non-polymer | 39.1 | 5 | Chemie (K) | |||
| 4 | I (A) | water | water | 18.0 | 19 | Chemie (HOH) |
Sequence modifications
A: 1 - 301 (UniProt: D9N164)
| PDB | External Database | Details |
|---|---|---|
| Arg 129 | Ser 129 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 33852.9 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 266.4 | |
| All* | Total formula weight | 34119.3 |
