In echinoderm mitochondria, the codon AAA encodes asparagine instead of lysine. A newly identified nucleoside modification, hydroxy-N6-threonylcarbamoyladenosine (ht6A), is found adjacent to the anticodon in mt-tRNALys and prevents mt-tRNALys from misreading AAA as lysine.
- Asuteka Nagao
- Mitsuhiro Ohara
- Tsutomu Suzuki