3M8S
Crystal structure of the large fragment of DNA polymerase I from Thermus aquaticus in a closed ternary complex with trapped 4'-methylated dTTP
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SLS BEAMLINE X06SA |
Synchrotron site | SLS |
Beamline | X06SA |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2009-05-23 |
Detector | PSI PILATUS 6M |
Wavelength(s) | 1.0000 |
Spacegroup name | P 31 2 1 |
Unit cell lengths | 108.742, 108.742, 90.755 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 47.093 - 2.200 |
R-factor | 0.173 |
Rwork | 0.170 |
R-free | 0.22360 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3ktq |
RMSD bond length | 0.012 |
RMSD bond angle | 0.970 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | PHENIX |
Refinement software | PHENIX ((phenix.refine: 1.6_289)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 47.100 | 2.330 |
High resolution limit [Å] | 2.200 | 2.200 |
Rmerge | 0.115 | 0.011 |
Number of reflections | 32046 | |
<I/σ(I)> | 12.9 | 1.94 |
Completeness [%] | 99.8 | 98.3 |
Redundancy | 9.76 | 9.25 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 291 | 30% (w/v) PEG 8000, 0.2M ammonium acetate, 0.02M magnesium acetate, 0.05M sodium cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K |
Crystallization Reagents
ID | crystal ID | solution ID | reagent name | concentration | details |
1 | 1 | 1 | PEG 8000 | ||
2 | 1 | 1 | ammonium acetate | ||
3 | 1 | 1 | magnesium acetate | ||
4 | 1 | 1 | sodium cacodylate | ||
5 | 1 | 2 | PEG 8000 | ||
6 | 1 | 2 | ammonium acetate | ||
7 | 1 | 2 | magnesium acetate | ||
8 | 1 | 2 | sodium cacodylate |