4HP1
Crystal structure of Tet3 in complex with a non-CpG dsDNA
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | CLSI BEAMLINE 08ID-1 |
Synchrotron site | CLSI |
Beamline | 08ID-1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2012-01-26 |
Detector | MARMOSAIC 300 mm CCD |
Wavelength(s) | 0.97949 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 71.027, 39.517, 57.634 |
Unit cell angles | 90.00, 91.03, 90.00 |
Refinement procedure
Resolution | 35.000 - 2.250 |
R-factor | 0.221 |
Rwork | 0.220 |
R-free | 0.25020 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | unpublished model of complex between same protein and DNA fragment. That structure was solved by a combination of zinc-SAD (SHELXD/E) and molecular replacement in "density" mode (MOLREP) using ideal DNA (COOT) and human MLL2 (currently unpublished) as search models. |
RMSD bond length | 0.012 |
RMSD bond angle | 1.377 |
Data reduction software | XDS |
Data scaling software | SCALA (CCP4_3.3.20) |
Phasing software | PHASER |
Refinement software | REFMAC (5.7.0027) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 35.510 | 35.510 | 2.370 |
High resolution limit [Å] | 2.250 | 7.120 | 2.250 |
Rmerge | 0.046 | 0.040 | 0.490 |
Total number of observations | 956 | 4628 | |
Number of reflections | 7738 | ||
<I/σ(I)> | 14.6771 | ||
Completeness [%] | 99.9 | 99.24 | 100 |
Redundancy | 4.12 | 3.68 | 4.17 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 291 | 30% PEG-1500, 0.2M sodium chloride, 0.1M HEPES, 5% MPD, pH 7.5, vapor diffusion, sitting drop, temperature 291K |