3GCY

Crystal studies of d(CACGCG).d(CGCGTG) grown in presence of calcium chloride


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.99293Sodium Cacodylate 50mM, Calcium chloride 140mM, Spermine 1mM, pH 6.99, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.64

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 17.388α = 90
b = 30.618β = 90
c = 44.488γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plateMirrors2009-02-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR1.54

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.83095.90.10260.08884.24.12431233427.37
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.81.8699.10.34160.29051.34.27226

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 REPLACEMENTTHROUGHOUTZ-DNA FIBER MODEL BUILT WITH INSIGHT-II1.815.122309221611495.960.228450.228120.23339RANDOM19.708
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]
-0.010.01
RMS Deviations
KeyRefinement Restraint Deviation
r_scangle_it2.196
r_scbond_it2.172
r_angle_refined_deg2.087
r_nbtor_refined0.287
r_xyhbond_nbd_refined0.263
r_symmetry_vdw_refined0.247
r_nbd_refined0.18
r_symmetry_hbond_refined0.179
r_chiral_restr0.067
r_bond_refined_d0.01
RMS Deviations
KeyRefinement Restraint Deviation
r_scangle_it2.196
r_scbond_it2.172
r_angle_refined_deg2.087
r_nbtor_refined0.287
r_xyhbond_nbd_refined0.263
r_symmetry_vdw_refined0.247
r_nbd_refined0.18
r_symmetry_hbond_refined0.179
r_chiral_restr0.067
r_bond_refined_d0.01
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms246
Solvent Atoms36
Heterogen Atoms

Software

Software
Software NamePurpose
MAR345dtbdata collection
PHASERphasing
REFMACrefinement
AUTOMARdata reduction
SCALEPACKdata scaling