Reports

Protein Components in the 40S Ribonucleoprotein Particles in Escherichia coli

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Science  22 Sep 1967:
Vol. 157, Issue 3795, pp. 1452-1454
DOI: 10.1126/science.157.3795.1452

Abstract

The 40S ribonucleoprotein particle in Escherichia coli cells, accumulated in the presence of a low concentration of chloramphenicol, lacks at least four ribosomal structural protein components which are present in the mature 50S ribosomal subunit. The 40S ribonucleoprotein prepared by exposing the 50S ribosomal subunit to a concentrated lithium chloride solution may also be deficient in the same protein components.

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