269D

STRUCTURAL STUDIES ON NUCLEIC ACIDS


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.1pH 7.10
Crystal Properties
Matthew coefficientSolvent content
2.2344.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 25.032α = 90
b = 40.369β = 90
c = 64.953γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IIC1995-07-23M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

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
12.1534.30.06568997

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMIR2.154337870.30.156
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]
RMS Deviations
KeyRefinement Restraint Deviation
n_phos_bond_it14.347
n_phos_angle_it13.259
n_sugar_angle_it13.036
n_sugar_bond_it12.193
n_multtor_nbd0.256
n_singtor_nbd0.176
n_phos_bond_angle_d0.062
n_chiral_restr0.06
n_plane_restr0.032
n_phos_bond_d0.029
RMS Deviations
KeyRefinement Restraint Deviation
n_phos_bond_it14.347
n_phos_angle_it13.259
n_sugar_angle_it13.036
n_sugar_bond_it12.193
n_multtor_nbd0.256
n_singtor_nbd0.176
n_phos_bond_angle_d0.062
n_chiral_restr0.06
n_plane_restr0.032
n_phos_bond_d0.029
n_impr_tor
n_sugar_bond_d
n_sugar_bond_angle_d
n_planar_d
n_hb_or_metal_coord
n_bond_d
n_bond_angle_restr
n_dihedral_angle_restr
n_angle_d
n_xhyhbond_nbd
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms488
Solvent Atoms95
Heterogen Atoms33

Software

Software
Software NamePurpose
NUCLSQrefinement
RIGAKUdata reduction
RIGAKUdata scaling