4NX7
single cryogenic temperature model of DHFR
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 | 18019.3 | 1 | UniProt (P0ABQ4) Pfam (PF00186) | Escherichia coli | |
| 2 | B (A) | MANGANESE (II) ION | non-polymer | 54.9 | 1 | Chemie (MN) | |||
| 3 | C (A) | FOLIC ACID | non-polymer | 441.4 | 1 | Chemie (FOL) | |||
| 4 | D (A) | BETA-MERCAPTOETHANOL | non-polymer | 78.1 | 1 | Chemie (BME) | |||
| 5 | E (A) | NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE | non-polymer | 743.4 | 1 | Chemie (NAP) | |||
| 6 | F (A) | water | water | 18.0 | 378 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 18019.3 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 1317.9 | |
| All* | Total formula weight | 19337.2 |
