1D76

CRYSTAL AND MOLECULAR STRUCTURE OF A DNA FRAGMENT CONTAINING A 2-AMINO ADENINE MODIFICATION: THE RELATIONSHIP BETWEEN CONFORMATION, PACKING, AND HYDRATION IN Z-DNA HEXAMERS


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 7
Temperature 277.0
Details pH 7.00, VAPOR DIFFUSION, temperature 277.00K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 17.94 α = 90
b = 31.28 β = 90
c = 44.7 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
DIFFRACTOMETER ENRAF-NONIUS CAD4 -- --
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE -- -- -- --

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
1.02 45 -- -- -- -- -- 13324 5790 -- 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
-- 1.3 8.0 -- 4.0 -- 4588 -- -- -- 0.138 -- -- --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 240
Heterogen Atoms 0
Solvent Atoms 84

Software

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