3A0B
Crystal structure of Br-substituted Photosystem II complex
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SPRING-8 BEAMLINE BL41XU |
Synchrotron site | SPring-8 |
Beamline | BL41XU |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2007-06-15 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 0.9 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 130.589, 226.394, 307.514 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 34.700 - 3.700 |
R-factor | 0.302 |
Rwork | 0.302 |
R-free | 0.35800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2axt |
RMSD bond length | 0.033 |
RMSD bond angle | 3.600 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | CNS |
Refinement software | CNS (1.2) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 3.830 |
High resolution limit [Å] | 3.700 | 3.700 |
Rmerge | 0.076 | 0.732 |
Total number of observations | 565579 | |
Number of reflections | 89037 | |
<I/σ(I)> | 26.3 | 1.6 |
Completeness [%] | 89.4 | 54.3 |
Redundancy | 6.4 | 5.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | 20% PEG 1450, 40mM MgSO4, 10mM MgCl2, 25% glycerol, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |