9PWK
P21A Mutant of E. coli Dihydrofolate Reductase Complexed with Folate and Nicotinamide Adenine Dinucleotide Phosphate (oxidized form)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Dihydrofolate reductase | polymer | 159 | 17993.3 | 1 | UniProt (P0ABQ4) | Escherichia coli | |
| 2 | B (A) | FOLIC ACID | non-polymer | 441.4 | 1 | Chemie (FOL) | |||
| 3 | C (A) | NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE | non-polymer | 743.4 | 1 | Chemie (NAP) | |||
| 4 | D (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 5 | E (A) | water | water | 18.0 | 166 | Chemie (HOH) |
Sequence modifications
A: 1 - 159 (UniProt: P0ABQ4)
| PDB | External Database | Details |
|---|---|---|
| Ala 21 | Pro 21 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 17993.3 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 1224.9 | |
| All* | Total formula weight | 19218.2 |
