3GDA

Crystal study of d(CACGCG).d(CGCGTG) grwon in presence of stannous chloride


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.99293Sodium cacodylate 50mM, SnCl2 0.5mM, Spermine 10mM, Methyl pentane diol 33%, pH 6.99, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 17.552α = 90
b = 30.207β = 90
c = 43.682γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm platemirrors2008-11-15MSINGLE 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
11.871299.10.05790.05016.74.052132211338.47
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)
11.871.9498.60.3320.28381.14.18206

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-II1.8810.921999199210799.620.242190.2410.26596RANDOM25.051
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]
0.09-0.110.02
RMS Deviations
KeyRefinement Restraint Deviation
r_scbond_it2.676
r_scangle_it2.675
r_angle_refined_deg2.015
r_nbtor_refined0.282
r_symmetry_vdw_refined0.277
r_symmetry_hbond_refined0.203
r_nbd_refined0.162
r_xyhbond_nbd_refined0.158
r_chiral_restr0.073
r_bond_refined_d0.011
RMS Deviations
KeyRefinement Restraint Deviation
r_scbond_it2.676
r_scangle_it2.675
r_angle_refined_deg2.015
r_nbtor_refined0.282
r_symmetry_vdw_refined0.277
r_symmetry_hbond_refined0.203
r_nbd_refined0.162
r_xyhbond_nbd_refined0.158
r_chiral_restr0.073
r_bond_refined_d0.011
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms240
Solvent Atoms19
Heterogen Atoms

Software

Software
Software NamePurpose
MAR345dtbdata collection
AMoREphasing
REFMACrefinement
AUTOMARdata reduction
SCALEPACKdata scaling