2OQX
Crystal Structure of the apo form of E. coli tryptophanase at 1.9 A resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Tryptophanase | polymer | 467 | 52464.9 | 1 | UniProt (P0A853) Pfam (PF01212) UniProt (by SIFTS) (Q5UES8) In PDB | Escherichia coli | L-tryptophan indole-lyase, TNase |
| 2 | A | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 3 | A | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | A | 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID | non-polymer | 238.3 | 1 | Chemie (EPE) | |||
| 5 | water | water | 18.0 | 364 | Chemie (HOH) |
Sequence modifications
A: 5 - 471 (UniProt: P0A853)
| PDB | External Database | Details |
|---|---|---|
| Cme 298 | Cys 298 | modified residue |
| Cme 352 | Cys 352 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 52464.9 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 298.1 | |
| All* | Total formula weight | 52763.0 |
