6MBU
Crystal structure of wild-type KRAS (1-169) bound to GDP and Mg (Space group P3)
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 24-ID-E |
Synchrotron site | APS |
Beamline | 24-ID-E |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2015-11-08 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 0.9792 |
Spacegroup name | P 3 |
Unit cell lengths | 84.185, 84.185, 41.916 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 42.092 - 1.450 |
R-factor | 0.136 |
Rwork | 0.134 |
R-free | 0.18150 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4lpk |
RMSD bond length | 0.003 |
RMSD bond angle | 0.666 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | MOLREP |
Refinement software | PHENIX |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 42.092 | 42.092 | 1.540 |
High resolution limit [Å] | 1.450 | 4.330 | 1.450 |
Rmerge | 0.066 | 0.050 | 0.362 |
Rmeas | 0.091 | 0.070 | 0.485 |
Total number of observations | 161904 | ||
Number of reflections | 58509 | 3966 | 17520 |
<I/σ(I)> | 6.35 | 12.97 | 1.59 |
Completeness [%] | 92.7 | 89.4 | 92 |
Redundancy | 1.482 | 1.427 | 1.504 |
CC(1/2) | 0.990 | 0.982 | 0.764 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293 | 0.2 M MgCl2, 0.1 M TRIS HCl pH 8.5, 30% PEG 4K |