4XQ4
X-ray structure analysis of xylanase - N44D
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU MICROMAX-007 HF |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2012-08-20 |
Detector | RIGAKU RAXIS IV++ |
Wavelength(s) | 1.54 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 80.940, 69.750, 78.281 |
Unit cell angles | 90.00, 117.45, 90.00 |
Refinement procedure
Resolution | 27.200 - 1.250 |
R-factor | 0.143 |
Rwork | 0.141 |
R-free | 0.16800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2dfb |
RMSD bond length | 0.008 |
RMSD bond angle | 1.302 |
Data reduction software | DENZO |
Data scaling software | HKL-2000 (3.15) |
Phasing software | PHASER |
Refinement software | PHENIX |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 27.200 | 1.290 |
High resolution limit [Å] | 1.220 | 1.220 |
Rmerge | 0.421 | |
Number of reflections | 114048 | |
<I/σ(I)> | 4.7 | 1.8 |
Completeness [%] | 99.6 | 99.7 |
Redundancy | 3.3 | 3.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 291 | 22% PEG8000, 0.2 M NaI, 0.1 M NaOAc at pH 4.6 |