Aminoglycosides Interfering with the Translocation of tRNA from the A-site to the P-site

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The aminoglycosides (streptomycin, neomycin, netilmicin, tobramycin, gentamicin, amikacin, etc.) bind irreversibly to the 16S rRNA in the 30S subunit of bacterial ribosomes. It has been proposed that some aminoglycosides prevent the transfer of the peptidyl tRNA from the A-site to the P-site, thus preventing the elongation of the polypeptide chain.


Flash animation illustrating Aminoglycosides Interfering with the Translocation of tRNA from the A-site to the P-site.swf by Gary E. Kaiser, Ph.D.
Professor of Microbiology, The Community College of Baltimore County, Catonsville Campus
This work is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work at http://faculty.ccbcmd.edu/~gkaiser/index.html.

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Last updated: September, 2018
Please send comments and inquiries to Dr. Gary Kaiser