2OD9
Structural Basis for Nicotinamide Inhibition and Base Exchange in Sir2 Enzymes
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | CHESS BEAMLINE A1 |
Synchrotron site | CHESS |
Beamline | A1 |
Temperature [K] | 93 |
Detector technology | CCD |
Collection date | 2005-07-15 |
Detector | ADSC QUANTUM 210 |
Wavelength(s) | 0.9777 |
Spacegroup name | P 32 2 1 |
Unit cell lengths | 105.940, 105.940, 67.100 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 28.340 - 2.050 |
R-factor | 0.245 |
Rwork | 0.218 |
R-free | 0.24500 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1szd |
RMSD bond length | 0.006 |
RMSD bond angle | 1.200 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.120 |
High resolution limit [Å] | 2.050 | 2.050 |
Rmerge | 0.111 | 0.320 |
Number of reflections | 27580 | |
<I/σ(I)> | 13.4 | 5.5 |
Completeness [%] | 99.9 | 99.6 |
Redundancy | 6.1 | 5.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 298 | 2.0 M Ammonium Sulfate, 0.1 M sodium citrate, 0.2 M potassium/sodium tartrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |