1P6O
The crystal structure of yeast cytosine deaminase bound to 4(R)-hydroxyl-3,4-dihydropyrimidine at 1.14 angstroms.
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Cytosine deaminase | polymer | 161 | 17761.2 | 2 | UniProt (Q12178) Pfam (PF00383) In PDB | Saccharomyces cerevisiae (baker's yeast) | Cytosine aminohydrolase |
2 | A, B | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
3 | A, B | 4-HYDROXY-3,4-DIHYDRO-1H-PYRIMIDIN-2-ONE | non-polymer | 114.1 | 2 | Chemie (HPY) | |||
4 | A, B | ACETIC ACID | non-polymer | 60.1 | 3 | Chemie (ACY) | |||
5 | B | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
6 | water | water | 18.0 | 438 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 158 (UniProt: Q12178)
PDB | External Database | Details |
---|---|---|
Gly -2 | - | cloning artifact |
Ser -1 | - | cloning artifact |
Ser 0 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 35522.5 | |
Non-Polymers* | Number of molecules | 9 |
Total formula weight | 619.3 | |
All* | Total formula weight | 36141.8 |