Sandbox Reserved 1578: Difference between revisions

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==SAM Riboswith (2GIS)==
==SAM Riboswith (2GIS)==
<StructureSection load=2gis' size='340' side='right' caption='SAM riboswitch' scene=''>
<StructureSection load=2gis' size='340' side='right' caption='SAM riboswitch' scene=''>
S-adenosylmethionine (SMA) is a riboswitch with the ability for gene regulation. The genetic regulation is driven by the binding of SAM to mRNA often in the location of the 5'-untranslated regions of mRNA in bacteria.  Stable binding of SAM to mRNA causes transcriptional termination, which results in the gene at the site of binding not being expressed.
S-adenosylmethionine (SMA) is a riboswitch, which are are structured noncoding RNA domains that selectively bind metabolites and control gene expression. Nearly all examples of the known riboswitches reside in noncoding regions of messenger RNAs where they control transcription or translation.




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