4QHV
Crystal structure of human dihydrofolate reductase as complex with pyridopyrimidine 22 (N~6~-METHYL-N~6~-[4-(PROPAN-2-YL)PHENYL]PYRIDO[2,3-D]PYRIMIDINE-2,4,6-TRIAMINE)
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 | 186 | 21349.5 | 1 | UniProt (P00374) Pfam (PF00186) | Homo sapiens (human) | |
| 2 | B (A) | NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE | non-polymer | 745.4 | 1 | Chemie (NDP) | |||
| 3 | C (A) | N~6~-methyl-N~6~-[4-(propan-2-yl)phenyl]pyrido[2,3-d]pyrimidine-2,4,6-triamine | non-polymer | 308.4 | 1 | Chemie (IXF) | |||
| 4 | D, E, F, G, H... (A) | SULFATE ION | non-polymer | 96.1 | 6 | Chemie (SO4) | |||
| 5 | J (A) | water | water | 18.0 | 154 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 21349.5 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 1630.2 | |
| All* | Total formula weight | 22979.7 |
