X-RAY DIFFRACTION

Crystallization Details
Method pH Temprature Details
X-RAY DIFFRACTION 5.9 294 150 nL 2A-RNA complex (7.5 mg/mL, 693 uM) in 10 mM HEPES pH 7.4, 100 mM NaCl, 1 mM MgCl2, 1 mM DTT was mixed with 150 nL 0.2 M ammonium acetate, 0.1 M Bis-Tris pH 5.9, 19% (w/v) PEG 3350.
Unit Cell:
a: 104.191 Å b: 45.931 Å c: 65.720 Å α: 90.000° β: 127.340° γ: 90.000°
Symmetry:
Space Group: C 1 2 1
Crystal Properties:
Matthew's Coefficient: 3.26 Solvent Content: 62.30
Refinement Statistics
Diffraction ID Structure Solution Method Cross Validation Method Resolution Limit (High) Resolution Limit (Low) Number of Reflections (Observed) Number of Reflections (R-free) Percent Reflections (Observed) R-Work R-Free Mean Isotropic
X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1.90 52.25 19410 894 98.59 0.1948 0.2295 33.20
Data Collection
Overall
Resolution Limit (High) Resolution Limit (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.90 52.25 98.7 0.152 ? 7.1 6.5 ? 19441 ? ? 20.15
Highest Resolution Shell
# Resolution Limits (Low) Resolution Limits (High) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1 1.90 1.94 98.3 ? ? 3.3 6.7 ?
Diffraction
Diffraction experiment
Crystal ID Scattering Type Data Collection Temprature Detector Detector Type Details Collection Date Monochromator Protocol
1 100 K ?
Radiation Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON DIAMOND BEAMLINE I04 0.9537 Diamond I04
Software
Software Name Purpose Version
GDA data collection .
xia2 data reduction .
XDS data reduction .
Aimless data scaling .
PHASER phasing .
PHENIX refinement 1.20.1_4487
Coot model building .
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