6K7Z
Crystal structure of a GH18 chitinase from Pseudoalteromonas aurantia
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SSRF BEAMLINE BL18U1 |
Synchrotron site | SSRF |
Beamline | BL18U1 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2017-04-16 |
Detector | DECTRIS PILATUS 6M |
Wavelength(s) | 0.9791 |
Spacegroup name | P 1 2 1 |
Unit cell lengths | 68.618, 87.486, 88.836 |
Unit cell angles | 90.00, 95.30, 90.00 |
Refinement procedure
Resolution | 33.019 - 1.799 |
R-factor | 0.2133 |
Rwork | 0.212 |
R-free | 0.23720 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2gsj |
RMSD bond length | 0.006 |
RMSD bond angle | 0.843 |
Data reduction software | HKL-3000 |
Data scaling software | HKL-3000 |
Phasing software | PHENIX |
Refinement software | PHENIX ((1.10.1_2155: ???)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.863 |
High resolution limit [Å] | 1.799 | 1.799 |
Rmerge | 0.128 | 0.316 |
Number of reflections | 96262 | 9086 |
<I/σ(I)> | 30.3 | 10.2 |
Completeness [%] | 99.9 | |
Redundancy | 6.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 291 | 20% (w/v) PEG 8000, 0.05 M KH2PO4 |