2DDW
Crystal Structure of Pyridoxal Kinase from the Escherichia coli PdxK gene complexed with pyridoxal at 3.2 A resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2004-04-09 |
Detector | RIGAKU RAXIS II |
Wavelength(s) | 1.5418 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 65.668, 75.028, 109.360 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 19.900 - 3.200 |
R-factor | 0.237 |
Rwork | 0.237 |
R-free | 0.25400 |
Structure solution method | FOURIER SYNTHESIS |
Starting model (for MR) | 2ddm |
RMSD bond length | 0.008 |
RMSD bond angle | 1.500 |
Data reduction software | bioteX |
Data scaling software | bioteX |
Phasing software | CNS |
Refinement software | CNS (1.0) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 52.300 | 3.300 |
High resolution limit [Å] | 3.200 | 3.200 |
Rmerge | 0.060 | 0.106 |
Number of reflections | 8990 | |
<I/σ(I)> | 9.3 | 3.8 |
Completeness [%] | 94.2 | 92.3 |
Redundancy | 2.8 | 2.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 298 | 21% PEG 4000, 100mM Tris-HCl, 200mM Na acetate, 40mM MgSO4, 10% glycerol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |