Inhibition of the alanine tRNA aminoacylation by Ca2+

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3 Scopus citations

Abstract

The effect of Ca2+ concentration on the in vitro aminoacylation of Escherichia coli tRNA's was tested. At a Ca2+ concentration of 0.5 mM the aminoacylation of only two tRNA's, rRNAAla and tRNACys, were found to be inhibited by 56% and 18%, respectively. The aminoacylation of tRNAAla was completely inhibited at 5 mM Ca2+. The relatively high sensitivity of the aminoacylation of tRNAAla to such a low level of Ca2+ might suggest physiological role of Ca2+ in the control of protein synthesis.

Original languageEnglish (US)
Pages (from-to)349-352
Number of pages4
JournalBBA Section Nucleic Acids And Protein Synthesis
Volume246
Issue number2
DOIs
StatePublished - Aug 26 1971
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)

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