3V07

Crystal structure of R-6'-Me-3'-fluoro hexitol nucleic acid


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP629140 mM sodium cacodylate, 80 mM sodium chloride, 12 mM spermine tetrahydrochloride, 10% v/v MPD, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.1943.73

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 27.302α = 90
b = 43.481β = 90
c = 45.53γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2010-07-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-G0.9785APS21-ID-G

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
11.2431.4597.90.05476.81594415617
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.241.2788.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 3EY21.2431.45159441484177698.170.161690.159410.20723RANDOM18.337
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]
1.61-1.03-0.58
RMS Deviations
KeyRefinement Restraint Deviation
r_scangle_it3.896
r_scbond_it3.11
r_rigid_bond_restr2.778
r_angle_refined_deg2.608
r_chiral_restr0.411
r_bond_refined_d0.036
r_gen_planes_refined0.035
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms410
Solvent Atoms80
Heterogen Atoms

Software

Software
Software NamePurpose
MD2data collection
CCP4model building
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
CCP4phasing