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. 1977 Jun;22(3):711–719. doi: 10.1128/jvi.22.3.711-719.1977

In vitro translation of Harvey murine sarcoma virus RNA.

W P Parks, E M Scolnick
PMCID: PMC515770  PMID: 195086

Abstract

The viral RNA of the Harvey strain of murine sarcoma virus (Ha-SV), which does not encode for any known viral structural polypeptides, has been translated in a nuclease-digested, cell-free system. The major protein product of the in vitro translation reaction has a molecular weight of 21,000 and is initiated faithfully with [35S]formylmethionine from formyl-[35S]methionyl-tRNAFMET. This polypeptide is clearly distinct from the RNA of the Moloney strain of type C helper virus used to pseudotype the Ha-SV. The intensity of the 21,000-dalton polypeptide on gels correlates well to the concentration of Ha-SV RNA in different viral RNA preparations. These experiments indicate that a polypeptide marker for Ha-SV is now available for the first time. The possibility that this protein is the product of the rat portion of the Ha-SV genome is discussed.

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Selected References

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