3FQB

Barium interactions with Z-DNA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.9929350mM Sodium cacoldylate, 10mM Barium chloride, 0.5mM Spermine, 30% (v/v) Methyl pentane diol , pH 6.99, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.6324.75

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 17.544α = 90
b = 30.512β = 90
c = 44.21γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHmirrors2008-09-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR1.5418

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
11.673091.90.08820.06356.14.543037279126.6
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)
1.671.7389.60.27110.2331.74.37183

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT1.6713.742427242714586.050.21730.216890.22312RANDOM16.177
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]
-0.050.05
RMS Deviations
KeyRefinement Restraint Deviation
r_scangle_it2.583
r_angle_refined_deg2.247
r_scbond_it1.925
r_metal_ion_refined0.4
r_nbtor_refined0.274
r_xyhbond_nbd_refined0.257
r_symmetry_hbond_refined0.214
r_nbd_refined0.212
r_symmetry_vdw_refined0.167
r_chiral_restr0.094
RMS Deviations
KeyRefinement Restraint Deviation
r_scangle_it2.583
r_angle_refined_deg2.247
r_scbond_it1.925
r_metal_ion_refined0.4
r_nbtor_refined0.274
r_xyhbond_nbd_refined0.257
r_symmetry_hbond_refined0.214
r_nbd_refined0.212
r_symmetry_vdw_refined0.167
r_chiral_restr0.094
r_bond_refined_d0.016
r_gen_planes_refined0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms249
Solvent Atoms39
Heterogen Atoms2

Software

Software
Software NamePurpose
MAR345dtbdata collection
PHASERphasing
REFMACrefinement
AUTOMARdata reduction
SCALEPACKdata scaling