1N5C

Crystal Structure Analysis of the B-DNA Dodecamer CGCGAATT(ethenoC)GCG


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17277Drop: MPD, potassium chloride, spermine tetrahydrochloride, cacodylate; Reservoir: MPD, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K, pH 7.00
Crystal Properties
Matthews coefficientSolvent content
2.3447.11

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 26.723α = 90
b = 26.723β = 90
c = 101.544γ = 120
Symmetry
Space GroupP 32 1 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42000-06-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X26CNSLSX26C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.795099.40.06122441135
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.791.851000.18724

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONISOMORPHOUS REPLACEMENTTHROUGHOUTNDB ENTRY BD00321.7920391320099.60.1640.1610.219RANDOM
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
137303.75
RMS Deviations
KeyRefinement Restraint Deviation
s_angle_d2.6
s_similar_adp_cmpnt0.143
s_anti_bump_dis_restr0.065
s_from_restr_planes0.025
s_bond_d0.02
s_non_zero_chiral_vol0.007
s_similar_dist
s_zero_chiral_vol
s_rigid_bond_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms245
Solvent Atoms73
Heterogen Atoms1

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
SHELXL-97refinement
X-PLORphasing