RNA GG x UU motif binds K+ but not Mg2+.

Abstract

A hairpin model of the group I intron P5b loop was synthesized with [8-13C-7-15N]-guanosine in the GG.UU metal binding site, [7-15N]-guanosine at a nonbinding site, and [3-15N]-uridine. 15N NMR showed specific binding for Co(NH3)63+ and K+, but not for Zn2+, Cd2+, or Mg2+. 

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Cite this paper

@article{Fan2005RNAGX, title={RNA GG x UU motif binds K+ but not Mg2+.}, author={Yupeng Fan and Barbara L. Gaffney and R Christopher Jones}, journal={Journal of the American Chemical Society}, year={2005}, volume={127 50}, pages={17588-9} }