Base 2661 in Escherichia coli 23S rRNA influences the binding of elongation factor Tu during protein synthesis in vivo.

Abstract excerpt

The binding of the EF-Tu.GTP.aminoacyl-tRNA ternary complex (EF, elongation factor) to the ribosome is known to be strengthened by a 2661G-to-C mutation in 23S ribosomal RNA, whereas the binding to normal ribosomes is weakened if the factor is in an appropriate mutant form (Aa). In this report we describe the mutual effects by the 2661C alteration in 23S rRNA and EF-Tu(Aa) on bacterial viability and translation...

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