2CCM
X-ray structure of Calexcitin from Loligo pealeii at 1.8A
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID14-1 |
Synchrotron site | ESRF |
Beamline | ID14-1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-02-14 |
Detector | ADSC CCD |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 46.635, 69.222, 134.787 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 48.300 - 1.800 |
R-factor | 0.1906 |
Rwork | 0.191 |
R-free | 0.24880 |
Structure solution method | MAD |
RMSD bond length | 0.007 |
RMSD bond angle | 1.924 |
Data reduction software | MOSFLM |
Data scaling software | SCALA |
Phasing software | SOLVE |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 48.300 | 1.900 |
High resolution limit [Å] | 1.800 | 1.800 |
Rmerge | 0.060 | 0.370 |
Number of reflections | 40926 | |
<I/σ(I)> | 22.5 | 2.3 |
Completeness [%] | 99.1 | 97.5 |
Redundancy | 9 | 3.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 5.5 | 30% PEG 4K, 0.2 M AMMONIUM ACETATE WITH 0.1 M SODIUM CITRATE AT PH 5.0 - 6.5 AND [PROTEIN]= 3 MG/ML |