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. 1978 Sep;27(3):826-30.
doi: 10.1128/JVI.27.3.826-830.1978.

Analysis of translational products of Friend strain of spleen focus-forming virus

M Barbacid, D H Troxler, E M Scolnick, S A Aaronson

Analysis of translational products of Friend strain of spleen focus-forming virus

M Barbacid et al. J Virol. 1978 Sep.

Abstract

We have analyzed normal rat kidney cells nonproductively infected with the Friend strain of spleen focus-forming virus (SFFV) for the presence of murine leukemia virus-specific type C viral proteins. SFFV was found to code for the p15 and p12 proteins of Friend-murine leukemia virus as determined by immunological typing of their antigenic determinants. Molecular-size analysis of p15 and p12 proteins in SFFV nonproductively infected normal rat kidney cells indicated that these proteins are translated as parts of polyprotein molecules. The apparent molecular weights of the polypeptides bearing p12 antigenic determinants revealed the presence of translational products of the SFFV genome that could not be accounted for by know type C virus helper structural proteins.

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