Stability of 70S ribosomes in relation to misreading and antibacterial activity of aminoglycosides.


The anomeric aminoglycosides, RU 21886 and RU 23468, which both have a 2-deoxystreptamine residue, stabilize 70S ribosomes to similar extents at low magnesium ion concentrations. Only RU 21886, however, has marked antibacterial and bactericidal activity and gives rise to a high level of misreading in cell-free protein synthesizing systems. It would thus… (More)


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