| annotate_tRF | Annotate a tRF sequence | 
| deseqs | Decode license-plates | 
| enseqs | Encode sequences | 
| exclusive | Determine whether the tRFs are exclusive to tRNA space | 
| source_tRNA | Obtain the tRNA source of a tRF | 
| source_tRNA2 | Obtain the tRNA sources of tRFs | 
| tRFtype | Obtain the type of tRFs |