| Definition of 'rna 5' terminal oligopyrimidine sequence' |
U.S. National Library of Medicine |
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1. rna 5' terminal oligopyrimidine sequence
A regulatory sequence found in the 5' terminal regions of a variety of RNA species. The sequence starts with a CYTIDINE, which is followed by a stretch of 5 to 15 PYRIMIDINE NUCLEOTIDES. Messenger RNA that contains the 5' Terminal Oligo Pyrimidine tract is often referred to as 5' TOP mRNA. The sequence acts as a translational regulator and has been found in mRNAs for PEPTIDE ELONGATION FACTORS and RIBOSOMAL PROTEINS.
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Definitions of rna 5' terminal oligopyrimidine sequence
