1OMS
Structure determination by MAD: E.coli Trigger Factor binding at the ribosomal exit tunnel.
Experimental procedure
Experimental method | MAD |
Source type | SYNCHROTRON |
Source details | EMBL/DESY, HAMBURG BEAMLINE BW7A |
Synchrotron site | EMBL/DESY, Hamburg |
Beamline | BW7A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2002-11-28 |
Detector | MARRESEARCH |
Wavelength(s) | 0.9797, 0.9404 |
Spacegroup name | H 3 2 |
Unit cell lengths | 71.644, 71.644, 375.409 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 29.900 - 2.300 |
R-factor | 0.208 |
Rwork | 0.208 |
R-free | 0.23800 |
Structure solution method | MAD |
RMSD bond length | 0.008 |
RMSD bond angle | 22.900 * |
Data reduction software | MOSFLM |
Data scaling software | CCP4 ((SCALA)) |
Phasing software | SHARP |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.420 |
High resolution limit [Å] | 2.300 | 2.300 |
Rmerge | 0.059 | 0.330 |
Number of reflections | 31810 * | |
<I/σ(I)> | 33.3 | 6.6 |
Completeness [%] | 99.6 | 100 |
Redundancy | 4.2 * | 4.1 * |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 6 * | PEG 2000 MME, PEG 400, ammonium sulfate, sodium acetate, tris, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 279K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 1.5 (mg/ml) | |
2 | 1 | reservoir | PEG2000 MME | 30 (%) | |
3 | 1 | reservoir | sodium acetate | 85 (mM) | |
4 | 1 | reservoir | Tris-base | 100 (mM) | |
5 | 1 | reservoir | glycerol | 15 (%) |