Biology / Bio 1333 · Atom · ~20 seconds
Translational Regulation
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Translational regulation controls how efficiently an mRNA already delivered to the ribosome is actually translated into protein.
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A regulatory protein binding an mRNA's start codon or untranslated region blocks ribosome access, reducing how much protein that mRNA produces.
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This level acts on an mRNA that already exists and is otherwise ready — it changes translation efficiency, not the mRNA's sequence or abundance.