https://www.selleckchem.com/pr....oducts/alkbh5-inhibi
Threose nucleic acid (TNA) has been considered a potential RNA progenitor in evolution due to its chemical simplicity and base pairing property. Catalytic TNA sequences with RNA ligase activities might have facilitated the transition to the RNA world. Here we report the isolation of RNA ligase TNA enzymes by in vitro selection. The identified TNA enzyme T8-6 catalyzes the formation of a 2'-5' phosphoester bond between a 2',3'-diol and a 5'-triphosphate group, with a kobs of 1.1 × 10-2 min-1 (40 mM Mg2+, pH 9.. For efficient
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