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The results of the best substrate binding for the models generated by translation of the proto-tRNAs.
| 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 |
