1R86
Crystal structure of the extracellular xylanase from Geobacillus stearothermophilus T-6 (XT6, monoclinic form): The E159A/E265A mutant at 1.8A resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2001-10-25 |
Detector | RIGAKU RAXIS IV++ |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 121.244, 61.251, 89.463 |
Unit cell angles | 90.00, 119.28, 90.00 |
Refinement procedure
Resolution | 40.000 - 1.800 |
R-factor | 0.181 |
Rwork | 0.181 |
R-free | 0.21500 |
Structure solution method | AB INITIO PHASING |
Starting model (for MR) | PDB code 1R85 |
RMSD bond length | 0.020 |
RMSD bond angle | 1.900 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS (1.0) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.000 | 1.830 |
High resolution limit [Å] | 1.800 | 1.800 |
Rmerge | 0.050 | 0.481 |
Number of reflections | 48254 | |
<I/σ(I)> | 13.3 | |
Completeness [%] | 90.9 | 90.5 |
Redundancy | 2.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | 14% PEG 4000, MES buffer pH 6.5, 10mM ZnSO4, VAPOR DIFFUSION, HANGING DROP, temperature 293K |