3JW5
Crystal structure of Bacillus anthracis (Y102F) dihydrofolate reductase complexed with NADPH and Trimethoprim
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X29A |
Synchrotron site | NSLS |
Beamline | X29A |
Temperature [K] | 77.2 |
Detector technology | CCD |
Collection date | 2009-01-30 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 1.080900 |
Spacegroup name | P 42 |
Unit cell lengths | 74.991, 74.991, 67.410 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 37.500 - 2.890 |
R-factor | 0.21422 |
Rwork | 0.212 |
R-free | 0.26047 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3eob |
RMSD bond length | 0.008 |
RMSD bond angle | 1.294 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 37.500 | 2.970 |
High resolution limit [Å] | 2.890 | 2.890 |
Rmerge | 0.179 | 0.443 |
Number of reflections | 7952 | |
<I/σ(I)> | 11.6 | 2.3 |
Completeness [%] | 98.2 | 85.98 |
Redundancy | 6.6 | 3.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.75 | 298 | Initially grown in 25% PEG 10000, 0.1 M MES. Macroseeding in 10% PEG 10000, 0.1 M MES. Trimethoprim soaked into seeds, pH 6.75, VAPOR DIFFUSION, HANGING DROP, temperature 298K |