4XSN

Copper(II) bound to the Z-DNA form of d(CGCGCG)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7296cacodylate, MPD, calcium lactate, potassium chloride
Crystal Properties
Matthews coefficientSolvent content
1.5947.66

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 18.799α = 90
b = 29.077β = 90
c = 43.278γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray183IMAGE PLATESTOE2005-12-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODECu FINE FOCUS1.54

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
11.45217.3591000.052614.46176574
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)
11.451.5587.90.32644.34.3

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.45217.359765776573781000.1210.120.157RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
1341
RMS Deviations
KeyRefinement Restraint Deviation
s_angle_d0.367
s_non_zero_chiral_vol0.04
s_similar_adp_cmpnt0.0216
s_anti_bump_dis_restr0.0186
s_bond_d0.0131
s_rigid_bond_adp_cmpnt0.0089
s_from_restr_planes0.003
s_similar_dist
s_zero_chiral_vol
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms248
Solvent Atoms98
Heterogen Atoms

Software

Software
Software NamePurpose
SHELXphasing
X-Areadata reduction
XSCALEdata scaling
SHELXL-97refinement