3SN4
Crystal structure of putative L-alanine-DL-glutamate epimerase from Burkholderia xenovorans strain LB400 bound to magnesium and alpha-ketoglutarate
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X29A |
Synchrotron site | NSLS |
Beamline | X29A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-08-08 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 0.97958 |
Spacegroup name | I 4 2 2 |
Unit cell lengths | 105.040, 105.040, 144.363 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.860 |
R-factor | 0.1619 |
Rwork | 0.161 |
R-free | 0.20130 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3go2 |
RMSD bond length | 0.013 |
RMSD bond angle | 1.326 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | MOLREP |
Refinement software | REFMAC |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 1.890 |
High resolution limit [Å] | 1.860 | 5.050 | 1.860 |
Rmerge | 0.084 | 0.031 | |
Number of reflections | 34226 | ||
<I/σ(I)> | 29.5 | 1.4 | |
Completeness [%] | 99.7 | 98.2 | 100 |
Redundancy | 15.2 | 14.9 | 13.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION | 4.8 | 294 | 100mM sodium acetate pH 4.8, 2.4M sodium formate; pH adjusted to 7.0; soaked with 100mM MgCl2 and 100mM alpha-ketoglutarate, VAPOR DIFFUSION, temperature 294K |