4KEB
Human dihydrofolate reductase complexed with NADPH and 5-{3-[3-methoxy-5-(isoquin-5-yl)phenyl]but-1-yn-1-yl}6-ethylpyrimidine-2,4-diamine
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Dihydrofolate reductase | polymer | 186 | 21349.5 | 2 | UniProt (P00374) Pfam (PF00186) | Homo sapiens (human) | |
| 2 | C, E (A, B) | NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE | non-polymer | 745.4 | 2 | Chemie (NDP) | |||
| 3 | D (A) | 6-ethyl-5-{(3S)-3-[3-(isoquinolin-5-yl)-5-methoxyphenyl]but-1-yn-1-yl}pyrimidine-2,4-diamine | non-polymer | 423.5 | 1 | Chemie (1QZ) | |||
| 4 | F (B) | FOLIC ACID | non-polymer | 441.4 | 1 | Chemie (FOL) | |||
| 5 | G, H (A, B) | water | water | 18.0 | 427 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 42699.1 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 2355.7 | |
| All* | Total formula weight | 45054.8 |
