Synonyms : 5' UTR, 5' UTRs, 5' Untranslated Region, 5'UTRs, Leader Sequence, mRNA, Leader mRNA Sequence, Region, 5' Untranslated, Regions, 5' Untranslated, Sequence, Leader mRNA, Sequence, mRNA Leader, Sequences, Leader mRNA, Sequences, mRNA Leader, UTR, 5', UTRs, 5'