4HTF
Crystal structure of S-adenosylmethionine-dependent methyltransferase from Escherichia coli in complex with S-adenosylmethionine.
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 21-ID-F |
| Synchrotron site | APS |
| Beamline | 21-ID-F |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2012-10-04 |
| Detector | MARMOSAIC 225 mm CCD |
| Wavelength(s) | 0.97872 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 60.537, 63.466, 136.881 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 28.810 - 1.600 |
| R-factor | 0.18025 |
| Rwork | 0.179 |
| R-free | 0.20144 |
| Structure solution method | SAD |
| RMSD bond length | 0.014 |
| RMSD bond angle | 1.861 |
| Data reduction software | HKL-3000 |
| Data scaling software | HKL-3000 |
| Phasing software | HKL-3000 |
| Refinement software | REFMAC (5.7.0029) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 1.630 |
| High resolution limit [Å] | 1.600 | 1.600 |
| Rmerge | 0.092 | 0.580 |
| Number of reflections | 70394 | |
| <I/σ(I)> | 21.9 | 3.3 |
| Completeness [%] | 99.9 | 100 |
| Redundancy | 7.3 | 7.3 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 0.2 M Ammonium sulfate, 0.1 M Bis-Tris, 25% PEG 3350, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
