4M21
Crystal Structure of small molecule acrylamide 11 covalently bound to K-Ras G12C
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ALS BEAMLINE 8.2.1 |
| Synchrotron site | ALS |
| Beamline | 8.2.1 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2011-12-06 |
| Detector | ADSC QUANTUM 315r |
| Wavelength(s) | 1.0700 |
| Spacegroup name | C 1 2 1 |
| Unit cell lengths | 68.561, 83.931, 87.056 |
| Unit cell angles | 90.00, 111.24, 90.00 |
Refinement procedure
| Resolution | 23.479 - 1.940 |
| R-factor | 0.1923 |
| Rwork | 0.190 |
| R-free | 0.22580 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 3gft |
| RMSD bond length | 0.005 |
| RMSD bond angle | 0.973 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | PHASER (2.4.0) |
| Refinement software | PHENIX (dev_1402) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 25.000 | 1.970 |
| High resolution limit [Å] | 1.940 | 1.940 |
| Rmerge | 0.064 | 0.407 |
| Number of reflections | 34110 | |
| <I/σ(I)> | 17.621 | 3.493 |
| Completeness [%] | 99.9 | 100 |
| Redundancy | 4.1 | 4.1 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 293 | 29% PEG4000, 0.2M NH4CH3COO, 0.1M Na-citrate, pH 5.6, vapor diffusion, hanging drop, temperature 293K |
