4DSK
Crystal structure of fragment DNA polymerase I from Bacillus stearothermophilus with duplex DNA, PPi and Calcium
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 | 2011-06-27 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 1.0000 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 86.692, 93.339, 106.363 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 70.160 - 2.180 |
R-factor | 0.1909 |
Rwork | 0.185 |
R-free | 0.24275 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3ht3 |
RMSD bond length | 0.018 |
RMSD bond angle | 1.758 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASES |
Refinement software | REFMAC (5.5.0109) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 70.160 | 2.260 |
High resolution limit [Å] | 2.180 | 2.180 |
Number of reflections | 44295 | |
<I/σ(I)> | 19.8 | 2.2 |
Completeness [%] | 96.9 | 78.5 |
Redundancy | 5.6 | 2.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 0.2 M calcium acetate, 0.1 M sodium cacodylate (pH 6.5), 18% v/v PEG8000, VAPOR DIFFUSION, SITTING DROP |