Untranslated region

In molecular genetics, an untranslated region (or UTR) refers to either of two sections on each side of a coding sequence on a strand of mRNA. If it is found on the 5' side, it is called the 5' UTR (or leader sequence), or if it is found on the 3' side, it is called the 3' UTR (or trailer sequence).

See also

• Five prime untranslated region
• Three prime untranslated region

References

• UTResource
• Atlas of UTR Regulatory Activity
• Mignone F, Gissi C, Liuni S, Pesole G (2002) "Untranslated regions of mRNAs." Genome Biol. 3(3):REVIEWS0004. [1]