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Zinc-dependent cleavage in the catalytic core of the hammerhead ribozyme: evidence for a pH-dependent conformational change

We have characterized a novel Zn(2+)-catalyzed cleavage site between nucleotides C3 and U4 in the catalytic core of the hammerhead ribozyme. In contrast to previously described divalent metal-ion-dependent cleavage of RNA, U4 cleavage is only observed in the presence of Zn(2+). This new cleavage sit...

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Bibliographic Details
Main Authors: Borda, Emily J., Markley, John C., Sigurdsson, Snorri Th.
Format: Artigo
Language:Inglês
Published: Oxford University Press 2003
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Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC156031/
https://ncbi.nlm.nih.gov/pubmed/12736309
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