3ZQ5
Structure of the Y263F mutant of the cyanobacterial phytochrome Cph1
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | PHYTOCHROME-LIKE PROTEIN CPH1 | polymer | 520 | 58749.5 | 1 | UniProt (Q55168) Pfam (PF08446) Pfam (PF01590) Pfam (PF00360) | SYNECHOCYSTIS SP. PCC 6803 | LIGHT-REGULATED HISTIDINE KINASE 1, BACTERIOPHYTOCHROME CPH1 |
| 2 | B (A) | PHYCOCYANOBILIN | non-polymer | 588.7 | 1 | Chemie (CYC) | |||
| 3 | C, K (A) | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
| 4 | D (A) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 5 | E, F, G, H (A) | ACETATE ION | non-polymer | 59.0 | 4 | Chemie (ACT) | |||
| 6 | I, J (A) | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
| 7 | L (A) | water | water | 18.0 | 328 | Chemie (HOH) |
Sequence modifications
A: 1 - 514 (UniProt: Q55168)
| PDB | External Database | Details |
|---|---|---|
| His 515 | - | expression tag |
| His 516 | - | expression tag |
| His 517 | - | expression tag |
| His 518 | - | expression tag |
| His 519 | - | expression tag |
| His 520 | - | expression tag |
| Phe 263 | Tyr 263 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 58749.5 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 1150.0 | |
| All* | Total formula weight | 59899.5 |
