3KGD
Crystal structure of E. coli RNA 3' cyclase
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X29A |
Synchrotron site | NSLS |
Beamline | X29A |
Temperature [K] | 130 |
Detector technology | CCD |
Collection date | 2009-07-11 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 1.10000 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 83.728, 81.932, 105.176 |
Unit cell angles | 90.00, 103.44, 90.00 |
Refinement procedure
Resolution | 35.137 - 1.680 |
R-factor | 0.17 |
Rwork | 0.168 |
R-free | 0.20700 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1qmh |
RMSD bond length | 0.012 |
RMSD bond angle | 1.461 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | PHENIX (1.4_125) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.000 | 1.700 |
High resolution limit [Å] | 1.680 | 1.680 |
Rmerge | 0.074 | 0.551 |
Number of reflections | 155565 | |
<I/σ(I)> | 10.5 | 2.13 |
Completeness [%] | 93.9 | 96.7 |
Redundancy | 6.1 | 4.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 300 | 100 mM Na MES pH 6.5, 200 mM Ammonium sulfate, 20% w/v PEG 5000 MME, VAPOR DIFFUSION, HANGING DROP, temperature 300K |