1UBS
TRYPTOPHAN SYNTHASE (E.C.4.2.1.20) WITH A MUTATION OF LYS 87->THR IN THE B SUBUNIT AND IN THE PRESENCE OF LIGAND L-SERINE
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | TRYPTOPHAN SYNTHASE | polymer | 268 | 28698.8 | 1 | UniProt (P00929) Pfam (PF00290) | Salmonella typhimurium | |
| 2 | B (B) | TRYPTOPHAN SYNTHASE | polymer | 397 | 42945.0 | 1 | UniProt (P00933) Pfam (PF00291) UniProt (by SIFTS) (P0A2K1) | Salmonella typhimurium | |
| 3 | C (B) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 4 | D (B) | SERINE | non-polymer | 105.1 | 1 | Chemie (SER) | |||
| 5 | E (B) | PYRIDOXAL-5'-PHOSPHATE | non-polymer | 247.1 | 1 | Chemie (PLP) | |||
| 6 | F, G (A, B) | water | water | 18.0 | 254 | Chemie (HOH) |
Sequence modifications
B: 2 - 397 (UniProt: P00933)
| PDB | External Database | Details |
|---|---|---|
| Thr 87 | Lys 86 | engineered mutation |
| Leu 396 | Glu 395 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 71643.8 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 375.2 | |
| All* | Total formula weight | 72019.0 |
