Inosine is a nucleoside that occurs naturally in transfer RNAs (tRNAs) and is essential for proper RNA translation. It is commonly found at the wobble position of anticodons, allowing for greater ...

The paper S.C. Kim et al., “Inosine, but none of the 8-oxo-purines, is a plausible component of a primordial version of RNA,” PNAS, 115:13318–23, 2018. Proponents of the RNA world theory argue that ...