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 (A, B, C, D) | Pyrimidine-specific ribonucleoside hydrolase rihB | polymer | 333 | 35933.2 | 4 | UniProt (P33022) Pfam (PF01156) | Escherichia coli | Cytidine/uridine-specific hydrolase |
| 2 | E, G, I, K (A, B, C, D) | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) PubChem (271) | |||
| 3 | F, H, J, L (A, B, C, D) | INOSINE | non-polymer | 268.2 | 4 | Chemie (NOS) PubChem (136164996) PubChem (135398641) PubChem (135402037) PubChem (135403801) PubChem (135410268) PubChem (135440076) PubChem (135522261) PubChem (135530787) PubChem (135600705) PubChem (135604773) PubChem (135768163) PubChem (135768164) PubChem (135768165) PubChem (135828043) PubChem (135885678) PubChem (135905199) PubChem (135914512) PubChem (135920954) PubChem (135928013) PubChem (135956386) PubChem (135992491) PubChem (136026711) PubChem (136162269) PubChem (136265389) PubChem (136500363) PubChem (136590533) PubChem (136614026) PubChem (136623569) PubChem (136624672) PubChem (136663976) PubChem (136704542) PubChem (137295291) PubChem (165413019) PubChem (168265884) PubChem (172873408) PubChem (175577437) | |||
| 4 | M (D) | TRIS(HYDROXYETHYL)AMINOMETHANE | non-polymer | 163.2 | 1 | Chemie (TAM) PubChem (448009) | |||
| 5 | N, O, P, Q (A, B, C, D) | 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 |
