6B1Q
Hydrogen Bonding Complementary, not size complementarity is key in the formation of the double helix
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 31-ID |
Synchrotron site | APS |
Beamline | 31-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2016-04-15 |
Detector | RAYONIX MX-225 |
Wavelength(s) | 0.97931 |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 55.278, 146.282, 46.941 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 44.696 - 1.900 |
R-factor | 0.206 |
Rwork | 0.204 |
R-free | 0.23740 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4xo0 |
RMSD bond length | 0.008 |
RMSD bond angle | 1.034 |
Data reduction software | MOSFLM |
Data scaling software | SCALA (3.3.22) |
Phasing software | MOLREP |
Refinement software | PHENIX (1.10.1_2155) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 146.282 | 146.282 | 2.000 |
High resolution limit [Å] | 1.896 | 5.990 | 1.900 |
Rmerge | 0.088 | 0.044 | 0.470 |
Rmeas | 0.104 | 0.053 | 0.551 |
Rpim | 0.039 | 0.021 | 0.208 |
Number of reflections | 31032 | 30353 | |
<I/σ(I)> | 14.4 | 12.1 | 1.6 |
Completeness [%] | 99.8 | 98.5 | 99.6 |
Redundancy | 7 | 6.2 | 6.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 277.15 | 6 % PEG 4000, 5 mM magnesium acetate and 50 mM ADA (pH 6.5) |