2E8Z
Crystal structure of pullulanase type I from Bacillus subtilis str. 168 complexed with alpha-cyclodextrin
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SPRING-8 BEAMLINE BL38B1 |
Synchrotron site | SPring-8 |
Beamline | BL38B1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-07-16 |
Detector | RIGAKU JUPITER 210 |
Wavelength(s) | 1.000 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 70.327, 127.780, 189.274 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 14.970 - 2.200 |
R-factor | 0.196 |
Rwork | 0.196 |
R-free | 0.23700 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2fgz |
RMSD bond length | 0.006 |
RMSD bond angle | 1.300 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | CNS |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.000 | 2.280 |
High resolution limit [Å] | 2.200 | 2.200 |
Rmerge | 0.092 | 0.424 |
Number of reflections | 87392 | |
<I/σ(I)> | 5.9 | |
Completeness [%] | 99.8 | 99.3 |
Redundancy | 4.7 | 4.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION | 5.2 | 293 | 10% PEG 4000, 0.1M sodium acetate buffer, 0.2M magnesium acetate, 20mM alpha-cyclodextrin, pH 5.2, VAPOR DIFFUSION, temperature 293K |