Article
Metal-ion binding and metal-ion induced folding of the adenine-sensing riboswitch aptamer domain.
Nucleic acids research - 1 Jan 2007
Noeske Jonas, Schwalbe Harald, Wöhnert Jens
Abstract excerpt
Divalent cations are important in the folding and stabilization of complex RNA structures. The adenine-sensing riboswitch controls the expression of mRNAs for proteins involved in purine metabolism by directly sensing intracellular adenine levels. Adenine binds with high affinity and specificity to the ligand binding or aptamer domain of the adenine-sensing riboswitch. The X-ray structure of this domain in...
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