RNA Precursors
| Medical Definition: |
RNA transcripts of the DNA that are in some unfinished stage of post-transcriptional processing (RNA PROCESSING, POST-TRANSCRIPTIONAL) required for function. RNA precursors may undergo several steps of RNA SPLICING during which the phosphodiester bonds at exon-intron boundaries are cleaved and the introns are excised. Consequently a new bond is formed between the ends of the exons. Resulting mature RNAs can then be used; for example, mature mRNA (RNA, MESSENGER) is used as a template for protein production. |
| Guide Notes: |
coord with specific RNA |
| Also Called: |
Primary RNA Transcript,RNA Precursor,RNA, Messenger, Precursors,RNA, Ribosomal, Precursors,RNA, Small Nuclear, Precursors,RNA, Transfer, Precursors |
| Previously Indexed: |
Nucleic Acid Precursors (1975-1987),Nucleic Acids (1966-1974) |
RNA Precursors Medical Definitions and Terms
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