6M9W
Structure of Mg-free KRAS4b (2-169) bound to GDP with the switch-I in fully open conformation
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 | PIXEL |
Collection date | 2015-11-08 |
Detector | DECTRIS PILATUS3 S 6M |
Wavelength(s) | 0.9892 |
Spacegroup name | P 3 2 1 |
Unit cell lengths | 77.858, 77.858, 55.726 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 42.955 - 1.500 |
R-factor | 0.1449 |
Rwork | 0.142 |
R-free | 0.18130 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4obe |
Data reduction software | XDS |
Phasing software | PHASER |
Refinement software | PHENIX |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 42.959 | 42.959 | 1.590 |
High resolution limit [Å] | 1.500 | 4.480 | 1.500 |
Rmerge | 0.060 | 0.031 | 0.610 |
Rmeas | 0.065 | 0.034 | 0.657 |
Total number of observations | 226714 | ||
Number of reflections | 31540 | 1267 | 5044 |
<I/σ(I)> | 18.57 | 48.13 | 2.57 |
Completeness [%] | 99.8 | 97.6 | 99.8 |
Redundancy | 7.188 | 6.65 | 7.167 |
CC(1/2) | 0.999 | 0.999 | 0.879 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.2 | 293 | 0.056 M NaPO4.H2O, 1.344 M K2PO4, pH 8.2 |