4EPV
Discovery of Small Molecules that Bind to K-Ras and Inhibit Sos-mediated Activation
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | BRUKER AXS MICROSTAR |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-01-15 |
Detector | Bruker Platinum 135 |
Wavelength(s) | 1.5418 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 39.140, 41.066, 91.955 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 45.980 - 1.350 |
R-factor | 0.16544 |
Rwork | 0.164 |
R-free | 0.19385 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4ept |
RMSD bond length | 0.029 |
RMSD bond angle | 2.354 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.6.0119) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 45.980 | 1.370 |
High resolution limit [Å] | 1.350 | 1.350 |
Rmerge | 0.092 | 0.200 |
Number of reflections | 32293 | |
<I/σ(I)> | 14.2 | 4.1 |
Completeness [%] | 96.9 | 72.4 |
Redundancy | 4.1 | 2.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4 | 291 | 25% PEG1500, 0.1 M MMT, pH 4, VAPOR DIFFUSION, HANGING DROP, temperature 291K |