145D

Structure and thermodynamics of nonalternating C/G base pairs in Z-DNA: the 1.3 angstroms crystal structure of the asymmetric hexanucleotide D(M(5)CGGGM(5) CG)/D(M(5)CGCCM(5)CG)


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 7
Details pH 7.00, VAPOR DIFFUSION

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 17.86 α = 90
b = 30.82 β = 90
c = 44.8 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

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

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
-- 1.25 8.0 -- 1.5 -- 5029 -- -- -- 0.193 -- -- --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 488
Heterogen Atoms 0
Solvent Atoms 48

Software

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