1D8G

ULTRAHIGH RESOLUTION CRYSTAL STRUCTURE OF B-DNA DECAMER D(CCAGTACTGG)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8277MPD, CALCIUM ACETATE, TRIS(HYDROXYAMINOMETHANE) BUFFER, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 277.0K
Crystal Properties
Matthews coefficientSolvent content
2.0439.81

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 31.735α = 90
b = 25.703β = 116.9
c = 34.215γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IVMSINGLE WAVELENGTH
21x-ray100IMAGE PLATEMARRESEARCHDOUBLE FOCUSSING MIRRORSMSINGLE WAVELENGTH
31x-ray100IMAGE PLATEMARRESEARCHDOUBLE FOCUSSING MIRRORSMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU
2SYNCHROTRONSSRL BEAMLINE BL9-1SSRLBL9-1
3SYNCHROTRONSSRL BEAMLINE BL9-1SSRLBL9-1

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
1,2,30.7416900.05626.74.32999129991
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)
1,2,30.740.7571.10.239

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 DIFFRACTIONTHROUGHOUT0.741629991299911783900.1050.1050.131RANDOM
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms202
Solvent Atoms119
Heterogen Atoms4

Software

Software
Software NamePurpose
AMoREphasing
SHELXL-97refinement
DENZOdata reduction
SCALEPACKdata scaling