4F3U
Crystal structure of 5-hydroxy-2'-deoxycytidine base paired with 2'-deoxyguanosine in Dickerson Drew Dodecamer
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 19-ID |
Synchrotron site | APS |
Beamline | 19-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2012-02-05 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 0.9794 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 25.287, 40.217, 65.471 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 25.000 - 1.401 |
R-factor | 0.17555 |
Rwork | 0.172 |
R-free | 0.23170 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 436d |
RMSD bond length | 0.019 |
RMSD bond angle | 2.400 |
Data reduction software | HKL-3000 |
Data scaling software | HKL-3000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.6.0117) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 25.000 | 1.420 |
High resolution limit [Å] | 1.400 | 1.400 |
Rmerge | 0.051 | |
Number of reflections | 13485 | |
<I/σ(I)> | 35.1 | |
Completeness [%] | 98.3 | 95.4 |
Redundancy | 6.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 291 | 10% MPD, 40mM sodium cacodylate, 12 mM spermine-tetra-HCl, 80mM sodium chloride, 20mM magnesium chloride., pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K |