2J4H
Crystal structure of a H121A Escherichia coli dCTP deaminase mutant enzyme
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) | DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE | polymer | 193 | 21209.2 | 2 | UniProt (P28248) Pfam (PF22769) | ESCHERICHIA COLI | DCTP DEAMINASE |
| 2 | C, F (A, B) | DEOXYCYTIDINE DIPHOSPHATE | non-polymer | 387.2 | 2 | Chemie (YYY) | |||
| 3 | D, E, G, H (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) |
Sequence modifications
A, B: 1 - 193 (UniProt: P28248)
| PDB | External Database | Details |
|---|---|---|
| Ala 121 | His 121 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 42418.4 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 871.6 | |
| All* | Total formula weight | 43289.9 |
