fMet-tRNA F Met binding and peptidyl transferase function in free and bound ribosomes from normal and puromycin aminonucleoside-treated rats.

Chemico-biological Interactions
V T Innanen, D M Nicholls

Abstract

Treatment of rats with the aminonucleoside of puromycin, which increases the incorporation of labelled phenylalanyl-tRNA into polypeptide chains in liver ribosome preparations studied in vitro, did not change the factor-dependent binding of fMet-tRNA f Met to ribosomes nor the peptidyl transferase function of the ribosomes. Peptidyl transferase function, as measured by fMet-tRNA f Met-puromycin formation, was comparable in the free and bound ribosome preparations. Similarly, the factor-dependent binding of fMet-tRNA f Met to ribosomes was the same in free ribosome preparations obtained from rat liver as it was in bound ribosome preparations that had been freed of membranes by puromycin incubation and high salt wash.

References

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Citations

Jan 1, 1981·Chemico-biological Interactions·M J Kuliszewski, D M Nicholls
Apr 1, 1983·Journal of the Neurological Sciences·J L KennedyD M Nicholls
Jan 1, 1981·Comparative Biochemistry and Physiology. C: Comparative Pharmacology·G R GirgisD M Nicholls

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