4F2Y

Structure of 3'-Fluoro Cyclohexenyl Nucleic Acid Decamer


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.529140 mM sodium cacodylate, 20 mM cobalt hexamine, 40 mM lithium chloride, 20 mM magnesium chloride, 10% v/v MPD, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
1.8433.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 24.775α = 90
b = 38.299β = 90
c = 47.746γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2012-04-06MSINGLE 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
11.5929.87599.450.09159.4314.2645064165
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)
11.591.6699.80.539.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)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 3EY21.5929.8755593048699.60.186940.181930.25331RANDOM20.104
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]
-0.380.240.14
RMS Deviations
KeyRefinement Restraint Deviation
r_sphericity_free22.969
r_sphericity_bonded11.461
r_rigid_bond_restr3.22
r_angle_refined_deg1.365
r_chiral_restr0.077
r_gen_planes_refined0.01
r_bond_refined_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms408
Solvent Atoms52
Heterogen Atoms2

Software

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