8C59
CpG specific M.MpeI methyltransferase crystallized in the presence of 5-bromocytosine (converted to 5mC) and 5-methylcytosine containing dsDNA
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1) |
Synchrotron site | PETRA III, EMBL c/o DESY |
Beamline | P13 (MX1) |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2016-09-05 |
Detector | DECTRIS PILATUS 6M-F |
Wavelength(s) | 0.91160 |
Spacegroup name | P 41 21 2 |
Unit cell lengths | 84.511, 84.511, 173.115 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 19.950 - 1.700 |
R-factor | 0.16782 |
Rwork | 0.167 |
R-free | 0.19278 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4dkj |
RMSD bond length | 0.006 |
RMSD bond angle | 1.140 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | REFMAC |
Refinement software | REFMAC (5.8.0258) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 1.800 |
High resolution limit [Å] | 1.700 | 1.700 |
Rmeas | 0.041 | 0.980 |
Number of reflections | 69838 | 11063 |
<I/σ(I)> | 27.87 | 2.15 |
Completeness [%] | 99.8 | 99.8 |
Redundancy | 8.78 | 8.52 |
CC(1/2) | 1.000 | 0.822 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | 294 | 10% PEG 3350, 150 mM NaCl, 50 mM sodium citrate (final pH, 5.6). For cryoprotection glycerol was added to 25% v/v |