4TTJ
Crystal structure of double mutant E. Coli purine nucleoside phosphorylase with 6 FMC molecules
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 (A, B, D) | Purine nucleoside phosphorylase DeoD-type | polymer | 237 | 25591.5 | 3 | UniProt (P0ABP8) Pfam (PF01048) | Escherichia coli | PNP,Inosine phosphorylase |
| 2 | D, G, K (A, B, D) | PHOSPHATE ION | non-polymer | 95.0 | 3 | Chemie (PO4) | |||
| 3 | E, H, L (A, B, D) | (1S)-1-(7-amino-1H-pyrazolo[4,3-d]pyrimidin-3-yl)-1,4-anhydro-D-ribitol | non-polymer | 267.2 | 3 | Chemie (FMC) | |||
| 4 | F, I, J (A, B) | SULFATE ION | non-polymer | 96.1 | 3 | Chemie (SO4) | |||
| 5 | M, N, O (A, B, D) | water | water | 18.0 | 845 | Chemie (HOH) |
Sequence modifications
A, B, D: 1 - 237 (UniProt: P0ABP8)
| PDB | External Database | Details |
|---|---|---|
| Ala 204 | Asp 205 | engineered mutation |
| Ala 217 | Arg 218 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 76774.5 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 1374.8 | |
| All* | Total formula weight | 78149.3 |
