Translation and Regulation
Which binding is inhibited by pactamycin?

Formation of peptide bond in P site
Initiator-tRNA to 30S/40S initiation complexes
Peptidyl t-RNA to the 50S subunit
Aminoacyl-tRNA to the A-site of 30S subunit

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Translation and Regulation
A quorum sensing system

consists of a sensor component that phosphorylates a regulatory protein
senses a compound produced by the bacterium itself
detects a signal from the external environment
controls the activity of ribosomes directly

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