5WQU
Crystal structure of Sweet Potato Beta-Amylase complexed with Maltotetraose
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 22-ID |
Synchrotron site | APS |
Beamline | 22-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2016-01-05 |
Detector | MARMOSAIC 300 mm CCD |
Wavelength(s) | 1.0 |
Spacegroup name | P 42 21 2 |
Unit cell lengths | 128.547, 128.547, 66.207 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 90.900 - 2.490 |
R-factor | 0.1704 |
Rwork | 0.166 |
R-free | 0.24504 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 5wqs |
RMSD bond length | 0.014 |
RMSD bond angle | 1.811 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.8.0155) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 90.900 | 50.000 | 2.590 |
High resolution limit [Å] | 2.490 | 5.380 | 2.500 |
Rmerge | 0.144 | 0.108 | 0.722 |
Number of reflections | 19723 | ||
<I/σ(I)> | 6.7 | ||
Completeness [%] | 98.7 | 96.6 | 99.5 |
Redundancy | 4.6 | 4.4 | 4.5 |
CC(1/2) | 0.977 | 0.687 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | EVAPORATION | 7.5 | 293 | 0.1M Na Acetate (pH 5.5), 0.05M Tris (pH 7.5), 0.01M NaCl, 2% Isopropanol and 18% PEG 4000 |