Article
G350 of Escherichia coli RNase P RNA contributes to Mg2+ binding near the active site of the enzyme.
Gene - 10 Jul 2002
Rasmussen Terri A, Nolan James M
Abstract excerpt
G350 of Escherichia coli RNase P RNA is a highly conserved residue among all bacteria and lies near the known magnesium binding site for the RNase P ribozyme, helix P4. Mutations at G350 have a dramatic effect on substrate cleavage activity for both RNA alone and holoenzyme; the G350C mutation has the most severe phenotype. The G350C mutation also inhibits growth of cells that express the mutant RNA in vivo under...
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