Abstract
Extensive research has focused on genetic code reprogramming using flexizymes (Fxs), ribozymes enabling diverse tRNA acylation. Here we describe a nucleoside-modification strategy for the preparation of flexizyme variants derived from 2'-OMe, 2'-F, and 2'-MOE modifications with unique and versatile activities, enabling the charging of tRNAs with a broad range of substrates. This innovative strategy holds promise for synthetic biology applications, offering a robust pathway to expand the genetic code for diverse substrate incorporation.
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