Article
Mutations at nucleotides G2251 and U2585 of 23 S rRNA perturb the peptidyl transferase center of the ribosome.
Journal of molecular biology - 14 Feb 1997
Green R, Samaha R R, Noller H F
Abstract excerpt
Previous experiments have shown that the phylogenetically conserved G2252 of 23 S rRNA forms a Watson-Crick base-pair with C74 of peptidyl-tRNA. In the studies presented here, site-directed mutations were introduced at two other conserved positions in 23 S rRNA, G2251 and U2585, that were previously implicated in interaction of the CCA acceptor end of tRNA with the 50 S subunit P site. The mutant 23 S rRNAs were...
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