4PHM
The Structural Basis of Differential Inhibition of Human Calpain by Indole and Phenyl alpha-Mercaptoacrylic Acids
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | DIAMOND BEAMLINE I03 |
Synchrotron site | Diamond |
Beamline | I03 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2013-03-23 |
Detector | DECTRIS PILATUS 2M |
Wavelength(s) | 0.9673 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 49.410, 79.340, 57.260 |
Unit cell angles | 90.00, 91.23, 90.00 |
Refinement procedure
Resolution | 41.930 - 2.030 |
R-factor | 0.19987 |
Rwork | 0.197 |
R-free | 0.25094 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4phj |
RMSD bond length | 0.019 |
RMSD bond angle | 2.007 |
Data reduction software | XDS |
Data scaling software | Aimless |
Phasing software | PHASER |
Refinement software | REFMAC (5.8.0049) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 41.930 | 2.080 |
High resolution limit [Å] | 2.030 | 2.030 |
Rmerge | 0.038 | 0.655 |
Number of reflections | 27196 | |
<I/σ(I)> | 17.9 | 2.4 |
Completeness [%] | 95.0 | 78.4 |
Redundancy | 3.5 | 2.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 50 mM sodium cacodylate, 12.5% PEG6000, 20 mM calcium chloride and 10 mM DTT at pH 7.0 |