3THP
Crystal structure and RNA binding properties of the RRM/AlkB domains in human ABH8, an enzyme catalyzing tRNA hypermodification, Northeast Structural Genomics Consortium Target HR5601B
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X4C |
Synchrotron site | NSLS |
Beamline | X4C |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-11-10 |
Detector | MAR CCD 165 mm |
Wavelength(s) | 0.97885 |
Spacegroup name | I 2 2 2 |
Unit cell lengths | 68.276, 81.675, 144.720 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 35.570 - 3.200 |
R-factor | 0.217 |
Rwork | 0.217 |
R-free | 0.28300 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2CQ2 for RRM domain PDB entry 2FDI for AlkB domain. |
RMSD bond length | 0.009 |
RMSD bond angle | 1.100 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | CNS (1.2 & Xtalview) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.000 | 3.310 |
High resolution limit [Å] | 3.200 | 3.200 |
Rmerge | 0.154 | 0.437 |
Number of reflections | 12770 | |
<I/σ(I)> | 14.3 | 3.7 |
Completeness [%] | 99.9 | 99.6 |
Redundancy | 7.4 | 6.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | microbatch under oil | 7 | 293 | 30% PEG 3350 and 0.15 M D/L malic acid, 2.8 mM MnCl2, and 8.6 mM 2-oxyglutarate., pH 7, microbatch under oil, temperature 293K |