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Riboswitch

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In molecular biology, a riboswitch is a regulatory segment of a messenger RNA molecule that binds a small molecule, resulting in a change in production of the proteins encoded by the mRNA. Thus, an mRNA that contains a riboswitch is directly involved in regulating its own activity, in response to the concentrations of its effector molecule. The discovery that modern organisms use RNA to bind small molecules, and discriminate against closely related analogs, expanded the known natural capabilities of RNA beyond its ability to code for proteins, catalyze reactions, or to bind other RNA or protein macromolecules.

Riboswitch - Wikipedia Jump to content From Wikipedia, the free encyclopedia Part of a messenger RNA molecule A 3D representation of the lysine riboswitch ( PDB code:3DIL, orange and blue tubes) bound to lysine (shown as grey, red and blue spheres in the upper middle of the structure) In molecular biology , a riboswitch is a regulatory segment of a messenger RNA molecule that binds a small molecule , resulting in a change in production of the proteins encoded by the mRNA. [ 1 ] [ 2 ] [ 3 ] [ 4 ] Thus, an mRNA that contains a riboswitch is directly involved in regulating its own activity, in re

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