4RQ9
Crystal structure of the chromophore-binding domain of Stigmatella aurantiaca bacteriophytochrome (Thr289His mutant) in the Pr state
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 19-ID |
Synchrotron site | APS |
Beamline | 19-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2011-07-01 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 0.97926 |
Spacegroup name | P 32 2 1 |
Unit cell lengths | 131.813, 131.813, 97.218 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 29.960 - 2.500 |
R-factor | 0.1566 |
Rwork | 0.155 |
R-free | 0.17776 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4RPW |
RMSD bond length | 0.011 |
RMSD bond angle | 1.858 |
Data reduction software | HKL-3000 |
Data scaling software | HKL-3000 |
Phasing software | HKL-3000 |
Refinement software | REFMAC (5.7.0029) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.540 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.085 | 0.543 |
Number of reflections | 33975 | |
<I/σ(I)> | 19.3 | 3.7 |
Completeness [%] | 99.9 | 100 |
Redundancy | 7 | 7.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 289 | protein: 25-28 mg ml-1 in 10 mM Tris HCl (pH 8.0) and 10 mM NaCl. crystallization conditions: 260 mM potassium sodium tartrate tetrahydrate, 35% (v/v) glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 289K |