3NZA
Structural Analysis of Pneumocystis carinii and Human DHFR Complexes with NADPH and a Series of Five Potent 5-(omega-Carboxy(alkyloxy)pyrido[2,3-d]pyrimidine Derivatives
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (X) | Dihydrofolate reductase | polymer | 206 | 23918.5 | 1 | UniProt (P16184) Pfam (PF00186) | Pneumocystis carinii | |
| 2 | B (X) | NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE | non-polymer | 745.4 | 1 | Chemie (NDP) | |||
| 3 | C (X) | ethyl 4-{3-[(2,4-diamino-5-methylpyrido[2,3-d]pyrimidin-6-yl)methyl]-4-methoxyphenoxy}butanoate | non-polymer | 425.5 | 1 | Chemie (D2K) | |||
| 4 | D (X) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 5 | E (X) | water | water | 18.0 | 117 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 23918.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 1206.4 | |
| All* | Total formula weight | 25124.9 |
