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Comparison of numbers of tRNA modifications and associated genes in three model organisms.
| Organism | Modifications at Specific Positions in tRNAs | Modification Genes |
|---|---|---|
| Bacillus subtilis subsp. subtilis str. 168 | 35 | 41 + 2 missing |
| Mycoplasma capricolum | 17 | 22 |
| Escherichia coli K12 MG1655 | 45 | 59 |
