Cyclic oxyphosphoranes as model intermediates during splicing and cleavage of RNA: ab initio molecular orbital calculations on the conformational analysis.


Ab initio molecular orbital calculations have been carried out on hydrated adducts of methyl ethylene phosphate as a model intermediate during cleavage of RNA. Upon rotating the apical methoxyl group two kinds of stable conformers and two kinds of rotational transition states are located, the most stable conformation being gs-G where the dihedral angle… (More)


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