Lack of discrimination against non-proteinogenic amino acid norvaline by elongation factor Tu from Escherichia coli
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The GTP-bound form of elongation factor Tu (EF-Tu) brings aminoacylated tRNAs (aa-tRNA) to the A-site of the ribosome. EF-Tu binds all cognate elongator aa-tRNAs with highly similar affinities, and its weaker or tighter binding of misacylated tRNAs may discour... ...
