5KEZ
Selective and potent inhibition of the glycosidase human amylase by the short and extremely compact peptide piHA from mRNA display
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SSRL BEAMLINE BL12-2 |
Synchrotron site | SSRL |
Beamline | BL12-2 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2016-02-05 |
Detector | DECTRIS PILATUS 6M |
Wavelength(s) | 1.03317 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 52.800, 75.840, 137.260 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 39.176 - 1.830 |
R-factor | 0.179 |
Rwork | 0.177 |
R-free | 0.20800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4x9y |
RMSD bond length | 0.007 |
RMSD bond angle | 0.915 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | PHASER |
Refinement software | PHENIX (1.10.1_2155) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 39.176 | 1.900 |
High resolution limit [Å] | 1.830 | 1.830 |
Rmerge | 0.094 | 0.790 |
Number of reflections | 49017 | |
<I/σ(I)> | 14.5 | 1.94 |
Completeness [%] | 99.0 | 99 |
Redundancy | 5.7 | 4.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | EVAPORATION | 7.5 | 293 | 53%-57% MPD, 0.1 M Na Cacodylate, pH 7.5 |