Table 1.
tRNA gene ancestors | Coach | TM-site | S-site |
---|---|---|---|
tRNA 1 | NAD, potassium | Magnesium, potassium, calcium | Magnesium, AMP, calcium |
tRNA 2 | Calcium | Zinc, calcium | Magnesium, AMP, calcium |
tRNA 3 | Magnesium | Magnesium, ribonucleic acids, calcium | Chlorophyll, D-manose |
tRNA 4 | Iodine | Magnesium, zinc, calcium | FAD, zinc, ATP |