4XK1
Crystal Structure of a Phosphoserine/phosphohydroxythreonine Aminotransferase (PSAT) from Pseudomonas aeruginosa with cofactor Pyridoxal Phosphate and bound Glutamate
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) | Phosphoserine aminotransferase | polymer | 369 | 41249.4 | 2 | UniProt (Q9HZ66) Pfam (PF00266) | Pseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228) | Phosphohydroxythreonine aminotransferase,PSAT |
| 2 | C, D, E (A, B) | FORMIC ACID | non-polymer | 46.0 | 3 | Chemie (FMT) | |||
| 3 | F (B) | GLUTAMIC ACID | non-polymer | 147.1 | 1 | Chemie (GLU) | |||
| 4 | G, H (A, B) | water | water | 18.0 | 232 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 361 (UniProt: Q9HZ66)
| PDB | External Database | Details |
|---|---|---|
| Met -7 | - | initiating methionine |
| Ala -6 | - | expression tag |
| His -5 | - | expression tag |
| His -4 | - | expression tag |
| His -3 | - | expression tag |
| His -2 | - | expression tag |
| His -1 | - | expression tag |
| His 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 82498.7 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 285.2 | |
| All* | Total formula weight | 82783.9 |
