1D53

CRYSTAL STRUCTURE AT 1.5 ANGSTROMS RESOLUTION OF D(CGCICICG), AN OCTANUCLEOTIDE CONTAINING INOSINE, AND ITS COMPARISON WITH D(CGCG) AND D(CGCGCG) STRUCTURES


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
Details VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 31 α = 90
b = 31 β = 90
c = 43.7 γ = 120
Symmetry
Space Group P 65

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
1.5 10 -- -- -- -- -- 9882 1971 -- -- --

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
-- 1.5 5.0 -- 3.0 -- 2503 -- -- -- 0.225 0.225 -- --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 234
Heterogen Atoms 0
Solvent Atoms 69

Software

Computing
Computing Package Purpose
X-PLOR, NUCLSQ Structure Refinement
Software
Software Name Purpose
NUCLSQ refinement
X-PLOR refinement