tokens: We have cloned the single-copy gene for the trans -spliceosomal U5 snRNA from the trypanosomatid species Leptomonas seymouri , using U5 RNA affinity selection and cDNA cloning .
folded_tokens: we have clone the single-copy gene for the trans -spliceosomal u5 snrna from the trypanosomatid species Leptomonas seymourus , use u5 rna affinity selection and cdna cloning .