2FZH
New Insights into Dihydrofolate Reductase Interactions: Analysis of Pneumocystis carinii and Mouse DHFR Complexes with NADPH and Two Highly Potent Trimethoprim Derivatives
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU RU200 |
| Temperature [K] | 200 |
| Detector technology | IMAGE PLATE |
| Collection date | 2003-09-12 |
| Detector | RIGAKU RAXIS IV |
| Wavelength(s) | 1.5418 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 36.871, 42.924, 60.925 |
| Unit cell angles | 90.00, 95.18, 90.00 |
Refinement procedure
| Resolution | 25.000 - 2.100 |
| R-factor | 0.246 |
| Rwork | 0.246 |
| R-free | 0.29500 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 2cd2 |
| RMSD bond length | 0.008 |
| RMSD bond angle | 1.270 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | CNS |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 25.000 | 2.070 |
| High resolution limit [Å] | 2.000 | 2.000 |
| Rmerge | 0.111 | |
| Number of reflections | 11273 | |
| <I/σ(I)> | 16.5 | |
| Completeness [%] | 98.4 | 87.2 |
| Redundancy | 3.2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6 | 298 | 33% PEG 2K, 46 mM MES, 100 mM KCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
