Ontologies
BIPON
Bacterial interlocked Process ONtology (BIPON)
OWL
Last submission date April 3, 2024
ID http://purl.obolibrary.org/obo/BiPON_00003008
http://purl.obolibrary.org/obo/BiPON_00003008
https://agroportal.lirmm.fr/ontologies/BIPON/BiPON_00003008
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Preferred name

tmRNA

Synonyms
10Sa RNA ssrA
Definitions
A tmRNA liberates a mRNA from a stalled ribosome. To accomplish this part of the tmRNA is used as a reading frame that ends in a translation stop signal. The broken mRNA is replaced in the ribosome by the tmRNA and translation of the tmRNA leads to addition of a proteolysis tag to the incomplete protein enabling recognition by a protease. Recently a number of permuted tmRNAs genes have been found encoded in two parts. TmRNAs have been identified in eubacteria and some chloroplasts but are absent from archeal and Eukaryote nuclear genomes.
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