4MB4
Crystal structure of E153Q mutant of cold-adapted chitinase from Moritella complex with Nag4
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | BESSY BEAMLINE 14.2 |
Synchrotron site | BESSY |
Beamline | 14.2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2012-04-21 |
Detector | RAYONIX MX-225 |
Wavelength(s) | 0.91841 |
Spacegroup name | P 31 1 2 |
Unit cell lengths | 67.318, 67.318, 255.764 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 33.371 - 1.481 |
R-factor | 0.1344 |
Rwork | 0.134 |
R-free | 0.17020 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4hmc |
RMSD bond length | 0.020 |
RMSD bond angle | 1.763 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | PHASER |
Refinement software | PHENIX (1.8.1_1168) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 33.371 | 1.570 |
High resolution limit [Å] | 1.480 | 1.480 |
Rmerge | 0.054 | 0.853 |
Number of reflections | 110794 | |
<I/σ(I)> | 20.52 | 2.02 |
Completeness [%] | 99.8 | 99.4 |
Redundancy | 6.9 | 6.77 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 292 | 12.5% w/v PEG 1000, 12.5% w/v PEG 3350, 12.5% v/v MPD, 0.02M Na-L-glutamate, 0.02M alanine (racemic), 0.02M glycine, 0.02M lysine HCl (racemic), 0.02M serine (racemic), 0.1M MES/imidazole pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K |