4AS8
X-ray structure of the cyan fluorescent protein Cerulean cryoprotected with ethylene glycol
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID29 |
Synchrotron site | ESRF |
Beamline | ID29 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2011-10-20 |
Detector | DECTRIS PILATUS 6M |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 51.344, 62.662, 70.205 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 46.750 - 1.020 |
R-factor | 0.11712 |
Rwork | 0.116 |
R-free | 0.13242 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2wso |
RMSD bond length | 0.020 |
RMSD bond angle | 2.206 |
Data reduction software | XDS |
Data scaling software | SCALA |
Phasing software | REFMAC |
Refinement software | REFMAC (5.6.0116) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 46.700 | 1.080 |
High resolution limit [Å] | 1.020 | 1.020 |
Rmerge | 0.050 | 0.360 |
Number of reflections | 112014 | |
<I/σ(I)> | 14.3 | 2.1 |
Completeness [%] | 96.9 | 81.8 |
Redundancy | 3.8 | 2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 7.25 | 13 MG/ML PROTEIN, 14% PEG8000, 100 MM MGCL2, 100 MM HEPES PH 7.25 |