3FL9
Crystal structure of B. anthracis dihydrofolate reductase (DHFR) with trimethoprim
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | BRUKER AXS MICROSTAR |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2008-05-23 |
Detector | Bruker Platinum 135 |
Wavelength(s) | 1.54 |
Spacegroup name | P 1 2 1 |
Unit cell lengths | 67.930, 67.610, 167.000 |
Unit cell angles | 90.00, 90.12, 90.00 |
Refinement procedure
Resolution | 29.948 - 2.400 |
R-factor | 0.24 |
Rwork | 0.237 |
R-free | 0.30900 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2qk8 |
RMSD bond length | 0.004 |
RMSD bond angle | 0.836 |
Data reduction software | SAINT |
Data scaling software | SADABS |
Phasing software | PHASER |
Refinement software | PHENIX |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.500 |
High resolution limit [Å] | 2.400 | 2.400 |
Number of reflections | 53699 | |
<I/σ(I)> | 13.1 | 4.9 |
Completeness [%] | 90.1 | 72.5 |
Redundancy | 4.7 | 2.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 298 | 13 % PEG 3350, 0.2M CaCl2, 0.1M MES, 1% ethanol, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K |