3V06

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


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP729140 mM sodium cacodylate, 40 mM lithium chloride, 80 mM strontium chloride, 20 mM magnesium chloride, 12 mM spermine tetrahydrochloride, 10% v/v MPD, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.1241.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 24.879α = 90
b = 45.222β = 90
c = 46.598γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2010-07-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-F0.9787APS21-ID-F

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
11.5332.4598.650.0746.38.482688157
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)
11.531.5770.20.4465.78.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTPDB ENTRY 3EY21.5332.45778037797.030.169970.167150.22693RANDOM18.482
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]
0.31-10.69
RMS Deviations
KeyRefinement Restraint Deviation
r_scangle_it4.422
r_scbond_it3.588
r_rigid_bond_restr2.724
r_angle_refined_deg2.493
r_chiral_restr0.115
r_gen_planes_refined0.025
r_bond_refined_d0.022
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms410
Solvent Atoms77
Heterogen Atoms1

Software

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