X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.8
Temperature 295.0
Details OLIGONUCLEOTIDE, SPERMINE, MAGNESIUM ACETATE, SODIUM CACODYLATE BUFFER, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 25.28 α = 90
b = 40.55 β = 90
c = 65.13 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-06-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 5ID-B -- APS 5ID-B

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.43 20 99.9 0.065 -- -- 8.5 13592 13592 -- -3.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.43 1.48 99.2 0.188 -- -- 6.6 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
-- 1.43 17.0 0.0 0.0 12720 12716 1296 98.2 -- 0.198 0.198 0.211 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -6.795
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.823
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.972
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.01
c_angle_deg 1.55
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 498
Heterogen Atoms 15
Solvent Atoms 154

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
AMORE model building