1D8X

CRYSTAL STRUCTURE OF DNA SHEARED TANDEM G A BASE PAIRS


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7.5298MPD, COBALT HEXAMMINE, MGCL2, TRIS, pH 7.5, VAPOR DIFFUSION, temperature 298K
Crystal Properties
Matthew coefficientSolvent content
1.8333

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.784α = 90
b = 35.685β = 104.38
c = 22.466γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray123IMAGE PLATERIGAKU RAXIS IIC1998-02-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

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
11.22081.70.04516.51.6125501255031.9
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)
1.21.2446.80.393.71.25

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTA POSTERIORI1.2201255063381.70.1880.1880.246RANDOM
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]
RMS Deviations
KeyRefinement Restraint Deviation
s_from_restr_planes0.073
s_similar_adp_cmpnt0.044
s_angle_d0.029
s_bond_d0.01
s_anti_bump_dis_restr0.007
s_rigid_bond_adp_cmpnt0.004
s_similar_dist
s_zero_chiral_vol
s_non_zero_chiral_vol
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms412
Solvent Atoms128
Heterogen Atoms19

Software

Software
Software NamePurpose
X-PLORmodel building
SHELXL-97refinement
d*TREKdata scaling
X-PLORphasing