4ZKU
P22 Tail Needle Gp26 crystallized at pH 10.0
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Tail needle protein gp26 | polymer | 237 | 25075.7 | 2 | UniProt (P35837) | Enterobacteria phage P22 | Head completion protein,Packaged DNA stabilization protein,Tail accessory factor gp26 |
| 2 | C, E (A, B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 3 | D, F (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | G, H (A, B) | water | water | 18.0 | 466 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 233 (UniProt: P35837)
| PDB | External Database | Details |
|---|---|---|
| Gly -3 | - | expression tag |
| Pro -2 | - | expression tag |
| Gly -1 | - | expression tag |
| Ser 0 | - | expression tag |
| Met 222 | Leu 222 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 50151.5 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 151.1 | |
| All* | Total formula weight | 50302.5 |
