1PD9
Analysis of Three Crystal Structure Determinations of a 5-Methyl-6-N-Methylanilino Pyridopyrimidine antifolate Complex with Human Dihydrofolate Reductase
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, C (A) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 3 | D (A) | 2,4-DIAMINO-5-METHYL-6-[(3,4,5-TRIMETHOXY-N-METHYLANILINO)METHYL]PYRIDO[2,3-D]PYRIMIDINE | non-polymer | 384.4 | 1 | Chemie (CO4) | |||
| 4 | E (A) | water | water | 18.0 | 69 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 21349.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 576.6 | |
| All* | Total formula weight | 21926.1 |
