3OA5
The structure of chi1, a chitinase from Yersinia entomophaga
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | AUSTRALIAN SYNCHROTRON BEAMLINE MX2 |
Synchrotron site | Australian Synchrotron |
Beamline | MX2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2009-11-25 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 1.03317 |
Spacegroup name | P 1 |
Unit cell lengths | 57.012, 67.172, 81.679 |
Unit cell angles | 102.85, 108.06, 92.10 |
Refinement procedure
Resolution | 75.270 - 1.740 |
R-factor | 0.16678 |
Rwork | 0.165 |
R-free | 0.20989 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1itx |
RMSD bond length | 0.017 |
RMSD bond angle | 1.628 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | PHASER |
Refinement software | REFMAC (5.5.0109) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 75.270 | 1.840 |
High resolution limit [Å] | 1.740 | 1.740 |
Rmerge | 0.093 | 0.491 |
Number of reflections | 110418 | |
<I/σ(I)> | 7.7 | 2 |
Completeness [%] | 96.9 | 95.7 |
Redundancy | 3.8 | 3.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 291 | 7% PEG 1000, 6% PEG 8000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K |