3N0R
Structure of the PhyR stress response regulator at 1.25 Angstrom resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 21-ID-D |
Synchrotron site | APS |
Beamline | 21-ID-D |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-04-05 |
Detector | MARMOSAIC 300 mm CCD |
Wavelength(s) | 1.078 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 45.182, 61.198, 53.025 |
Unit cell angles | 90.00, 108.73, 90.00 |
Refinement procedure
Resolution | 28.380 - 1.251 |
R-factor | 0.1544 |
Rwork | 0.154 |
R-free | 0.17350 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | an unpublished model of Caulobacter crescentus PhyR solved by SAD to 1.6 Angstrom resolution. |
RMSD bond length | 0.005 |
RMSD bond angle | 1.080 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | PHENIX ((phenix.refine: 1.6.1_357)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 28.600 | 1.270 |
High resolution limit [Å] | 1.250 | 1.250 |
Rmerge | 0.060 | 0.450 |
Number of reflections | 73384 | |
<I/σ(I)> | 56.8 | 2.2 |
Completeness [%] | 98.8 | 92.3 |
Redundancy | 5.4 | 3.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 287 | 70 mM sodium acetate (pH 4.6), 20% glycerol (w/v), 16% PEG 600, 40 mM potassium phosphate , VAPOR DIFFUSION, HANGING DROP, temperature 287K |