7O2L
Yeast 20S proteasome in complex with the covalently bound inhibitor b-lactone (2R,3S)-3-isopropyl-4-oxo-2-oxetane-carboxylate (IOC)
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SLS BEAMLINE X06SA |
Synchrotron site | SLS |
Beamline | X06SA |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2021-03-28 |
Detector | PSI JUNGFRAU 16M |
Wavelength(s) | 1.0 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 135.120, 301.500, 144.250 |
Unit cell angles | 90.00, 112.93, 90.00 |
Refinement procedure
Resolution | 30.000 - 3.000 |
R-factor | 0.1798 |
Rwork | 0.178 |
R-free | 0.21580 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 5cz4 |
RMSD bond length | 0.002 |
RMSD bond angle | 1.188 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | REFMAC |
Refinement software | REFMAC (5.8.0258) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 3.100 |
High resolution limit [Å] | 3.000 | 3.000 |
Rmerge | 0.085 | 0.577 |
Number of reflections | 203690 | 19450 |
<I/σ(I)> | 9.1 | 2 |
Completeness [%] | 96.2 | |
Redundancy | 3.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.8 | 293 | 20 mM MgAC2, 13% MPD, 0.1 M MES |