1RX6
DIHYDROFOLATE REDUCTASE (E.C.1.5.1.3) COMPLEXED WITH 5,10-DIDEAZATETRAHYDROFOLATE AND NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE (REDUCED FORM)
Experimental procedure
| Source type | ROTATING ANODE |
| Source details | RIGAKU RUH2R |
| Temperature [K] | 293 |
| Detector technology | AREA DETECTOR |
| Collection date | 1996 |
| Detector | XUONG-HAMLIN MULTIWIRE |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 34.908, 45.289, 101.070 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 20.000 - 2.000 |
| Rwork | 0.184 |
| Structure solution method | DIFFERENCE FOURIER |
| Starting model (for MR) | DHFR-DDTHF-ATP-RIBOSE COMPLEX |
| RMSD bond length | 0.021 |
| RMSD bond angle | 3.000 |
| Data reduction software | UCSD |
| Data scaling software | UCSD |
| Phasing software | TNT |
| Refinement software | TNT |
Data quality characteristics
| Overall | |
| Low resolution limit [Å] | 20.000 |
| High resolution limit [Å] | 2.000 * |
| Rmerge | 0.113 * |
| Total number of observations | 40855 * |
| Number of reflections | 10505 |
| Completeness [%] | 92.0 |
| Redundancy | 3.9 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion, sitting drop * | 7 * | 4 * | macroseeding * |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | ecDHFR-ddTHF-NADPH | ||
| 2 | 1 | drop | imidazole | 20 (mM) | |
| 3 | 1 | reservoir | PEG3350 | 20 (%(w/v)) | |
| 4 | 1 | reservoir | 300 (mM) | ||
| 5 | 1 | reservoir | imidazole | 100 (mM) |
