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 | DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE | polymer | 193 | 21209.2 | 2 | UniProt (P28248) Pfam (PF00692) In PDB | ESCHERICHIA COLI | DCTP DEAMINASE |
2 | A, B | DEOXYCYTIDINE DIPHOSPHATE | non-polymer | 387.2 | 2 | Chemie (YYY) | |||
3 | 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 |