2H0N

Structure of the fully modified left-handed cyclohexene nucleic acid sequence GTGTACAC


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7289CRYSTALS WERE OBTAINED FROM A SOLUTION THAT CONTAINED CACODYLATE BUFFER, LICL, SRCL2, MGCL2, SPERMINE TETRACHLORIDE, AND MPD, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 41.455α = 90
b = 41.455β = 90
c = 65.58γ = 120
Symmetry
Space GroupH 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2005-03-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X110.8126EMBL/DESY, HAMBURGX11

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
11.532098.60.1089.8153416339611.5667
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)
1.531.580.3765.58333

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1.60A P 32 1 2 STRUCTURE OF H(GTGTACAC) (NDB CODE HD0001) WAS USED AS MODEL1.53203396339698.50.20040.20040.158120.21
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
80201.67
RMS Deviations
KeyRefinement Restraint Deviation
s_angle_d0.025
s_bond_d0.019
s_anti_bump_dis_restr0.005
s_from_restr_planes0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms336
Solvent Atoms62
Heterogen Atoms8

Software

Software
Software NamePurpose
SHELXL-97refinement
MAR345data collection
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing