3B31

Crystal structure of domain III of the Cricket Paralysis Virus IRES RNA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.53031.4 M lithium sulfate, 40 mM magnesium acetate, 50 mM HEPES-NaOH, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 303K
Crystal Properties
Matthews coefficientSolvent content
3.160.34

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.724α = 90
b = 58.724β = 90
c = 98.989γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayIMAGE PLATERIGAKU RAXIS IV++MSINGLE WAVELENGTH
21x-rayCCDADSC QUANTUM 315MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.5418
2SYNCHROTRONALS BEAMLINE 12.3.11.1055, 1.1053ALS12.3.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
1,22.423.299.70.090.0927.231.97247722522
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.42.4999.7218.3696

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMAD2.423.2227247722577499.70.23930.2686
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-2.917-2.9175.834
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_deg1.35
c_bond_d0.0053
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms913
Solvent Atoms146
Heterogen Atoms25

Software

Software
Software NamePurpose
Blu-Icedata collection
PHENIXmodel building
CNSrefinement
ELVESdata reduction
MOSFLMdata reduction
CCP4data scaling
PHENIXphasing