1H7K
Formation of a tyrosyl radical intermediate in Proteus mirabilis catalase by directed mutagenesis and consequences for nucleotide reactivity
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 | IMAGE PLATE |
Collection date | 1998-07-15 |
Detector | MARRESEARCH |
Spacegroup name | P 62 2 2 |
Unit cell lengths | 110.000, 110.000, 251.200 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 15.000 * - 2.400 |
R-factor | 0.237 |
Rwork | 0.237 |
R-free | 0.24000 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1CAE |
RMSD bond length | 0.008 |
RMSD bond angle | 1.500 * |
Data reduction software | MOSFLM |
Data scaling software | SCALA |
Phasing software | CNS |
Refinement software | CNS (1.0) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 29.260 | 2.050 |
High resolution limit [Å] | 2.400 | 2.000 |
Rmerge | 0.080 * | 0.251 * |
Number of reflections | 35932 | |
Completeness [%] | 99.7 | 99.9 * |
Redundancy | 15.8 | 4.8 * |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 * | 4-5 * | Jouve, H.M., (1991) J.Mol.Biol., 221, 1075. * |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 27 (mg/ml) | |
2 | 1 | drop | Tris-HCl | 100 (mM) | |
3 | 1 | drop | glycerol | 2.5 (%(v/v)) | |
4 | 1 | drop | ammonium sulfate | 1 (M) | |
5 | 1 | drop | 25 (mM) | ||
6 | 1 | reservoir | ammonium sulfate | 2 (M) | |
7 | 1 | reservoir | 50 (mM) | ||
8 | 1 | reservoir | Tris-HCl | 100 (mM) |