1D38

INFLUENCE OF AGLYCONE MODIFICATIONS ON THE BINDING OF ANTHRACYCLINE DRUGS TO DNA: THE MOLECULAR STRUCTURE OF IDARUBICIN AND 4-O-DEMETHYL-11-DEOXYDOXORUBICIN COMPLEXED TO D(CGATCG)


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6
Temperature 298.0
Details pH 6.00, VAPOR DIFFUSION, temperature 298.00K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 28.13 α = 90
b = 28.13 β = 90
c = 53.68 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
DIFFRACTOMETER RIGAKU AFC-5R -- --
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
1.7 -- -- -- -- -- -- -- 1724 2.0 -- --

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
-- 1.7 -- -- 2.0 -- 1724 -- -- -- 0.188 -- -- --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 120
Heterogen Atoms 37
Solvent Atoms 60

Software

Computing
Computing Package Purpose
NUCLSQ Structure Refinement
Software
Software Name Purpose
NUCLSQ refinement