2CAX
STRUCTURAL BASIS FOR COOPERATIVE BINDING OF RIBBON-HELIX-HELIX REPRESSOR OMEGA TO MUTATED DIRECT DNA HEPTAD REPEATS
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | BESSY BEAMLINE 14.1 |
Synchrotron site | BESSY |
Beamline | 14.1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2004-11-07 |
Detector | MARRESEARCH |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 219.957, 44.655, 76.136 |
Unit cell angles | 90.00, 109.26, 90.00 |
Refinement procedure
Resolution | 30.000 - 2.900 |
R-factor | 0.21 |
Rwork | 0.208 |
R-free | 0.24700 |
Structure solution method | OTHER |
RMSD bond length | 0.012 |
RMSD bond angle | 1.454 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.970 |
High resolution limit [Å] | 2.900 | 2.900 |
Rmerge | 0.100 | 0.370 |
Number of reflections | 14144 | |
<I/σ(I)> | 12.1 | 2.5 |
Completeness [%] | 88.6 | 68.8 |
Redundancy | 2.6 | 2.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 7.5 | 150 MM NA/KPO4, PH 7.0, 2.4 M NA2MALONATE, PH 7.5, 2% AMINOCAPROIC ACID |