Canadian Medical Guide > Chemicals and Drugs > Nucleic Acids, Nucleotides, and Nucleosides > Nucleic Acids > RNA > RNA, Untranslated Terms and Definitions

RNA, Untranslated

Medical Definition:	RNA which does not code for protein but has some enzymatic, structural or regulatory function. Although ribosomal RNA; (RNA, RIBOSOMAL) and transfer RNA; (RNA, TRANSFER) are also untranslated they are not included here.
Guide Notes:	GEN: prefer specifics; do not confuse with RNA, MESSENGER, STORED

RNA, Untranslated Categories.

	Regulatory Sequences, Ribonucleic Acid - Sequences within RNA that regulate the processing, stability (RNA STABILITY) or translation (TRANSLATION, GENETIC) of RNA.
	RNA, Guide - Small kinetoplastid mitochondrial RNA that plays a major role in RNA EDITING. These molecules form perfect hybrids with edited mRNA sequences and possess nucleotide sequences at their 5'-ends that are complementary to the sequences of the mRNA's immediately downstream of the pre-edited regions.
	RNA, Small Cytoplasmic - Small RNAs found in the cytoplasm usually complexed with proteins in scRNPs (RIBONUCLEOPROTEINS, SMALL CYTOPLASMIC).
	RNA, Spliced Leader - The small RNAs which provide spliced leader sequences, SL1, SL2, SL3, SL4 and SL5 (short sequences which are joined to the 5' ends of pre-mRNAs by TRANS-SPLICING). They are found primarily in primitive eukaryotes (protozoans and nematodes).

RNA, Untranslated Medical Definitions and Terms

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