Article
Selection for active E. coli tRNA(Phe) variants from a randomized library using two proteins.
The EMBO journal - 1 Jul 1993
Peterson E T, Blank J, Sprinzl M, Uhlenbeck O C
Abstract excerpt
In vitro selection was used to isolate active Escherichia coli tRNA(Phe) variants from randomized libraries. Functional tRNAs were first selected by multiple rounds of binding to Escherichia coli phenylalanyl-tRNA synthetase. These variants were then aminoacylated and selected for affinity to elongation factor-Tu. By randomizing potential recognition nucleotides, the importance of residues U20, G34, A35, A36 and...
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