4Q5U
Structure of calmodulin bound to its recognition site from calcineurin
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 | 2011-08-17 |
Detector | MARMOSAIC 300 mm CCD |
Wavelength(s) | 1.0000 |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 105.499, 111.033, 39.448 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 19.120 - 1.950 |
R-factor | 0.2165 |
Rwork | 0.215 |
R-free | 0.24840 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2w73 |
RMSD bond length | 0.006 |
RMSD bond angle | 0.972 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | PHENIX ((phenix.refine: 1.8_1069)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 19.120 | 2.020 |
High resolution limit [Å] | 1.950 | 1.950 |
Rmerge | 0.098 | 0.375 |
Number of reflections | 15779 | |
<I/σ(I)> | 14.4 | 3.4 |
Completeness [%] | 91.1 | 69.6 |
Redundancy | 5.5 | 3.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 298 | 3:1 10 mg/ml protein to mother liquor (24% PEG1000, 20% glycerol), final volume 200 nL, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K |