1QVI
Crystal structure of scallop myosin S1 in the pre-power stroke state to 2.6 Angstrom resolution: flexibility and function in the head
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | CHESS BEAMLINE A1 |
Synchrotron site | CHESS |
Beamline | A1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2001-04-28 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.93 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 51.375, 285.623, 59.831 |
Unit cell angles | 90.00, 114.50, 90.00 |
Refinement procedure
Resolution | 50.000 * - 2.540 |
R-factor | 0.212 |
Rwork | 0.212 |
R-free | 0.26600 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1dfl |
RMSD bond length | 0.007 * |
RMSD bond angle | 1.300 * |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | CNS (1.0) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.640 |
High resolution limit [Å] | 2.540 | 2.550 |
Rmerge | 0.083 * | 0.180 * |
Number of reflections | 42849 * | |
<I/σ(I)> | 18.6 | 5 |
Completeness [%] | 82.3 | 32.8 * |
Redundancy | 3.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 298 | MES, MgCl2, ADP, Na3VO4, polyethylene glycol 8K, glycerol, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | MES | 40 (mM) | pH6.0 |
2 | 1 | drop | 5 (mM) | ||
3 | 1 | drop | MgADP | 30000 (nM) | |
4 | 1 | drop | 15000 (nM) | ||
5 | 1 | drop | PEG8000 | 6-6.5 (%) | |
6 | 1 | drop | glycerol | 3-3.5 (%) | |
7 | 1 | reservoir | 80 (mM) |