4E5C

Crystal Structure of 19mer double-helical RNA containing CUG/CGG-repeats


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP62911.8 mM ammonium sulfate, 0.1 M MES, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.4950.54

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.154α = 90
b = 45.154β = 90
c = 104.036γ = 120
Symmetry
Space GroupP 3 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2010-12-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-10.9724ESRFID23-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.72094.80.04121.23.2142821350522
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.71.7680.40.0982.11124

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.7151349866694.780.2140.21250.2444RANDOM28.382
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]
0.490.250.49-0.74
RMS Deviations
KeyRefinement Restraint Deviation
r_angle_refined_deg1.865
r_scangle_it1.828
r_scbond_it1.353
r_angle_other_deg1.083
r_symmetry_hbond_refined0.273
r_nbd_other0.26
r_nbtor_refined0.242
r_xyhbond_nbd_refined0.162
r_symmetry_vdw_other0.129
r_nbd_refined0.109
RMS Deviations
KeyRefinement Restraint Deviation
r_angle_refined_deg1.865
r_scangle_it1.828
r_scbond_it1.353
r_angle_other_deg1.083
r_symmetry_hbond_refined0.273
r_nbd_other0.26
r_nbtor_refined0.242
r_xyhbond_nbd_refined0.162
r_symmetry_vdw_other0.129
r_nbd_refined0.109
r_chiral_restr0.074
r_symmetry_vdw_refined0.063
r_nbtor_other0.059
r_bond_refined_d0.011
r_gen_planes_refined0.009
r_bond_other_d0.003
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms822
Solvent Atoms164
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
REFMACrefinement
PDB_EXTRACTdata extraction
ADSCdata collection