3B9X
Crystal structure of the E. coli pyrimidine nucleoside hydrolase YeiK in complex with inosine
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D | Pyrimidine-specific ribonucleoside hydrolase rihB | polymer | 333 | 35933.2 | 4 | UniProt (P33022) Pfam (PF01156) In PDB | Escherichia coli | Cytidine/uridine-specific hydrolase |
| 2 | A, B, C, D | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 3 | A, B, C, D | INOSINE | non-polymer | 268.2 | 4 | Chemie (NOS) | |||
| 4 | D | TRIS(HYDROXYETHYL)AMINOMETHANE | non-polymer | 163.2 | 1 | Chemie (TAM) | |||
| 5 | water | water | 18.0 | 331 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 313 (UniProt: P33022)
| PDB | External Database | Details |
|---|---|---|
| Met -19 | - | initiating methionine |
| Gly -18 | - | expression tag |
| Ser -17 | - | expression tag |
| Ser -16 | - | expression tag |
| His -15 | - | expression tag |
| His -14 | - | expression tag |
| His -13 | - | expression tag |
| His -12 | - | expression tag |
| His -11 | - | expression tag |
| His -10 | - | expression tag |
| Ser -9 | - | expression tag |
| Ser -8 | - | expression tag |
| Gly -7 | - | expression tag |
| Leu -6 | - | expression tag |
| Val -5 | - | expression tag |
| Pro -4 | - | expression tag |
| Arg -3 | - | expression tag |
| Gly -2 | - | expression tag |
| Ser -1 | - | expression tag |
| His 0 | - | expression tag |
| Asp 84 | Glu 84 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 143732.8 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 1396.4 | |
| All* | Total formula weight | 145129.2 |
