1SZC
Structural basis for nicotinamide cleavage and ADP-ribose transfer by NAD+-dependent Sir2 histone/protein deacetylases
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X12B |
| Synchrotron site | NSLS |
| Beamline | X12B |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2003-11-06 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 0.95 |
| Spacegroup name | P 32 2 1 |
| Unit cell lengths | 105.267, 105.267, 66.609 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 26.890 - 1.750 |
| R-factor | 0.21 |
| Rwork | 0.210 |
| R-free | 0.23900 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1q1a |
| RMSD bond length | 0.006 |
| RMSD bond angle | 1.200 |
| Data reduction software | HKL-2000 |
| Data scaling software | SCALEPACK |
| Phasing software | X-PLOR |
| Refinement software | CNS (1.1) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 1.760 |
| High resolution limit [Å] | 1.700 | 1.700 |
| Rmerge | 0.048 | 0.420 |
| Number of reflections | 46623 | |
| <I/σ(I)> | 38 | 5.4 |
| Completeness [%] | 99.0 | 97.2 |
| Redundancy | 12.8 | 4.2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION | 6.5 | 293 | Ammonium Sulfate, Bis-tris, pH 6.5, VAPOR DIFFUSION, temperature 293K |
