1DLR
METHOTREXATE-RESISTANT VARIANTS OF HUMAN DIHYDROFOLATE REDUCTASE WITH SUBSTITUTION OF LEUCINE 22: KINETICS, CRYSTALLOGRAPHY AND POTENTIAL AS SELECTABLE MARKERS
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | DIHYDROFOLATE REDUCTASE | polymer | 186 | 21383.5 | 1 | UniProt (P00374) Pfam (PF00186) In PDB | Homo sapiens (human) | |
| 2 | A | NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE | non-polymer | 745.4 | 1 | Chemie (NDP) | |||
| 3 | A | 6-(2,5-DIMETHOXY-BENZYL)-5-METHYL-PYRIDO[2,3-D]PYRIMIDINE-2,4-DIAMINE | non-polymer | 325.4 | 1 | Chemie (MXA) | |||
| 4 | water | water | 18.0 | 69 | Chemie (HOH) |
Sequence modifications
A: 1 - 186 (UniProt: P00374)
| PDB | External Database | Details |
|---|---|---|
| Phe 22 | Leu 22 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 21383.5 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 1070.8 | |
| All* | Total formula weight | 22454.3 |
