1M74
Crystal structure of Mg-ADP-bound SecA from Bacillus subtilis
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ESRF BEAMLINE ID2 |
| Synchrotron site | ESRF |
| Beamline | ID2 |
| Temperature [K] | 100 |
| Detector technology | AREA DETECTOR |
| Collection date | 1997-12-15 |
| Detector | MARRESEARCH |
| Wavelength(s) | 0.986 |
| Spacegroup name | P 31 1 2 |
| Unit cell lengths | 131.245, 131.245, 150.453 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 50.000 * - 3.000 |
| R-factor | 0.217 |
| Rwork | 0.217 |
| R-free | 0.29400 * |
| Structure solution method | FOURIER SYNTHESIS |
| Starting model (for MR) | 1m6n |
| RMSD bond length | 0.013 |
| RMSD bond angle | 1.840 * |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Refinement software | X-PLOR (3.851) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 3.050 |
| High resolution limit [Å] | 3.000 | 3.000 |
| Rmerge | 0.074 | |
| Number of reflections | 29652 | |
| <I/σ(I)> | 20.6 | 1.38 |
| Completeness [%] | 99.8 | 99.8 |
| Redundancy | 7.2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 | 299 | Weinkauf, S., (2001) Acta Crystallogr., Sect.D, 57, 559. * |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 15-20 (mg/ml) | |
| 2 | 1 | drop | ammonium sulfate | 300 (mM) | |
| 3 | 1 | drop | dithiothreitol | 1 (mM) | |
| 4 | 1 | drop | BES | 20 (mM) | pH7.0 |
| 5 | 1 | reservoir | ammonium sulfate | 46-52 (%sat) | |
| 6 | 1 | reservoir | glycerol | 28-32 (%(v/v)) | |
| 7 | 1 | reservoir | BES | 20-100 (mM) | pH7.0 |
