8SKQ | pdb_00008skq

RNA oligonucleotide containing an alpha-(L)-threofuranosyl nucleic acid (TNA)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7293.151 mM RNA, 1 mM HoCl3, 5 mM spermine 4 HCl, 20 mM sodium cacodylate equilibrated against 40% MPD
Crystal Properties
Matthews coefficientSolvent content
1.9938.24

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 32.659α = 90
b = 39.775β = 107.85
c = 25.728γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 9M2019-08-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-D0.9184APS21-ID-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
11.34719.8998.370.99915.519.2692216.72
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.3471.3950.851

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONSADFREE R-VALUE1.3519.891.41688036398.370.24150.23980.23940.27140.271518.68
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d21.6515
f_angle_d1.6367
f_chiral_restr0.0788
f_bond_d0.009
f_plane_restr0.0073
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms936
Solvent Atoms9
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
autoPROCdata reduction
Aimlessdata scaling
HKL2Mapphasing