2JI3
X-ray structure of the iron-peroxide intermediate of superoxide reductase (E114A mutant) from Desulfoarculus baarsii
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID14-4 |
Synchrotron site | ESRF |
Beamline | ID14-4 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2006-04-08 |
Detector | ADSC CCD |
Spacegroup name | I 2 2 2 |
Unit cell lengths | 69.450, 82.900, 202.660 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 47.130 - 1.950 |
R-factor | 0.217 |
Rwork | 0.217 |
R-free | 0.24900 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1vzi |
RMSD bond length | 0.007 |
RMSD bond angle | 1.500 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | PHASER |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 47.100 | 2.060 |
High resolution limit [Å] | 1.950 | 1.940 |
Rmerge | 0.090 | 0.600 |
Number of reflections | 42838 | |
<I/σ(I)> | 10.27 | 2.09 |
Completeness [%] | 97.8 | 94.7 |
Redundancy | 4 | 3.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 9 | 293 | 16 % PEG 4000, 100 MM TRIS/HNO3 PH9.0, 0.2 M CA(NO3)2 AND 25 MG/ML PROTEIN MIXED 1:1, HANGING DROP VAPOUR DIFFUSION, 20C, pH 9.00 |