4IXG
pcDHFR-268-K37S-N69F variant
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | SSRL BEAMLINE BL9-2 |
| Synchrotron site | SSRL |
| Beamline | BL9-2 |
| Temperature [K] | 113 |
| Detector technology | IMAGE PLATE |
| Collection date | 2011-04-19 |
| Detector | MAR scanner 345 mm plate |
| Wavelength(s) | 0.975 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 37.211, 42.603, 60.534 |
| Unit cell angles | 90.00, 94.82, 90.00 |
Refinement procedure
| Resolution | 34.800 - 1.700 |
| R-factor | 0.23034 |
| Rwork | 0.228 |
| R-free | 0.28025 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 3cd2 |
| RMSD bond length | 0.019 |
| RMSD bond angle | 2.264 |
| Data reduction software | MOSFLM |
| Data scaling software | SCALEPACK |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.6.0117) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 35.000 | 1.790 |
| High resolution limit [Å] | 1.700 | 1.700 |
| Rmerge | 0.068 | 0.390 |
| Number of reflections | 20874 | |
| <I/σ(I)> | 6.3 | 1.6 |
| Completeness [%] | 98.1 | 98.1 |
| Redundancy | 2.5 | 2.4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6 | 287 | 35% PEG2000, 49 mM MES, 100 mM KCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 287K |
