1RD6
Crystal Structure of S. Marcescens Chitinase A Mutant W167A
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 19-BM |
Synchrotron site | APS |
Beamline | 19-BM |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2002-07-10 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 1.0088 |
Spacegroup name | I 2 2 2 |
Unit cell lengths | 77.588, 134.065, 187.904 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 19.790 - 2.600 |
R-factor | 0.195 |
Rwork | 0.195 |
R-free | 0.23500 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1edq |
RMSD bond length | 0.006 |
RMSD bond angle | 1.200 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS (1.0) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.690 |
High resolution limit [Å] | 2.600 | 2.600 |
Rmerge | 0.086 | 0.413 |
Number of reflections | 30623 | |
<I/σ(I)> | 8.7 | 3.8 |
Completeness [%] | 99.4 | |
Redundancy | 5.9 | 5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 298 | Tris,PEG 3350, (NH4)2HPO4, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |