362D

THE STRUCTURE OF D(TGCGCA)2 AND A COMPARISON TO OTHER Z-DNA HEXAMERS


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16pH 6.00
Crystal Properties
Matthews coefficientSolvent content
238

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 21.162α = 90
b = 28.67β = 90
c = 44.335γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120IMAGE PLATEMARRESEARCH1995-09-01M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX9.6SRSPX9.6

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
11.32499.20.0432047024
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)
1.31.3287.40.07823.64

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 REPLACEMENTMODIFIED NDB ENTRY ZDF002 (PDB ENTRY 1DCG)1.3107005700570050.120.1170.173
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
1138332
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.065
s_similar_adp_cmpnt0.022
s_anti_bump_dis_restr0.016
s_rigid_bond_adp_cmpnt0.005
s_bond_d
s_angle_d
s_similar_dist
s_from_restr_planes
s_zero_chiral_vol
s_non_zero_chiral_vol
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms243
Solvent Atoms78
Heterogen Atoms14

Software

Software
Software NamePurpose
AMoREphasing
SHELXL-96refinement
DENZOdata reduction
SCALEPACKdata scaling