3THT
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 X4A |
Synchrotron site | NSLS |
Beamline | X4A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-09-14 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.97912 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 150.166, 73.279, 149.814 |
Unit cell angles | 90.00, 112.73, 90.00 |
Refinement procedure
Resolution | 39.060 - 3.010 |
R-factor | 0.22 |
Rwork | 0.220 |
R-free | 0.27700 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3thp |
RMSD bond length | 0.009 |
RMSD bond angle | 1.200 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | MOLREP |
Refinement software | CNS (1.2 & Xtalview) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.000 | 3.110 |
High resolution limit [Å] | 3.000 | 3.000 |
Rmerge | 0.082 | 0.304 |
Number of reflections | 29876 | |
<I/σ(I)> | 16.4 | 3.7 |
Completeness [%] | 99.5 | 98.6 |
Redundancy | 3.5 | 3.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | microbatch under oil | 5.6 | 293 | 2.8 mM Mn2Cl and 8.6 mM 2OG and a precipitant containing 28.5-30.5% (w/v) PEG 4K, 15% (v/v) glycerol, 170 mM NH4(CH3COO), 85 mM Na-citrate, pH 5.6, microbatch under oil, temperature 293K |