4RTQ
Complex of Escherichia coli DNA Adenine Methyltransferase (DAM) with AdoHcy and a 5-bp non-canonical site (GTTTA )
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 22-ID |
Synchrotron site | APS |
Beamline | 22-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2007-06-14 |
Detector | MARMOSAIC 300 mm CCD |
Wavelength(s) | 1.00000 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 44.009, 62.918, 136.642 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 30.020 - 1.997 |
R-factor | 0.1623 |
Rwork | 0.161 |
R-free | 0.19560 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2g1p |
RMSD bond length | 0.003 |
RMSD bond angle | 0.760 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | GLRF |
Refinement software | PHENIX ((phenix.refine: 1.9_1692)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.021 | 2.060 |
High resolution limit [Å] | 1.990 | 1.990 |
Rmerge | 0.111 | 0.220 |
Number of reflections | 26232 | |
<I/σ(I)> | 15.9 | 9.8 |
Completeness [%] | 99.4 | 98.3 |
Redundancy | 7.6 | 7.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.6 | 289 | 28% PEG 4000, 80mM Magnesium acetate, 50mM sodium cacodylate, pH 6.6, VAPOR DIFFUSION, SITTING DROP, temperature 289K |