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5DI4

Two divalent metal ions and conformational changes play roles in the hammerhead ribozyme cleavage reaction-WT ribozyme in Mn2+ at low pH

Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsAPS BEAMLINE 21-ID-D
Synchrotron siteAPS
Beamline21-ID-D
Temperature [K]100
Detector technologyCCD
Collection date2013-11-12
DetectorMARMOSAIC 300 mm CCD
Wavelength(s)1.5011
Spacegroup nameC 2 2 21
Unit cell lengths80.169, 85.923, 104.258
Unit cell angles90.00, 90.00, 90.00
Refinement procedure
Resolution28.215 - 2.948
R-factor0.2118
Rwork0.209
R-free0.23300
RMSD bond length0.001
RMSD bond angle0.388
Data reduction softwareHKL-2000
Data scaling softwareHKL-2000
Phasing softwarePHENIX
Refinement softwarePHENIX (1.9_1692)
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]50.0002.990
High resolution limit [Å]2.9402.940
Rmerge0.076
Number of reflections14606
<I/σ(I)>36.97.7
Completeness [%]99.8100
Redundancy14.237.9
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION, HANGING DROP29333 % MPD, 0.4 M potassium chloride, 50 mM potassium acetate pH 5.0, 10 mM MgCl2 and 0.5mM spermine

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