TRNA_DB_URL             Importing information from the tRNA db as
                        GRanges object
istRNAdbGRanges         tRNAdb compatibility check
open_tdbID              Open a tRNA db entry in a browser
tRNAdbImport            tRNAdbImport: Importing from to tRNAdb and
                        mitotRNAdb as GRanges
