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  • Title: A simian virus 40-encoded protein of Mr 74,000 daltons is structurally related to the capsid proteins of the virus.
    Author: Krippl B, Dreiseikelmann B, Werchau H.
    Journal: J Cell Biochem; 1983; 22(4):197-207. PubMed ID: 6323496.
    Abstract:
    We have demonstrated the synthesis of a 74,000-dalton protein (74K protein) in African green monkey kidney cells infected with simian virus (SV)40. The 74K protein was detected late during the lytic cycle. Its synthesis was inhibited by arabinosyl cytosine as was the synthesis of the capsid proteins. Monospecific antibodies raised against VP1 and VP3 precipitated the structural proteins and the 74K protein. The 74K protein was not found in purified virions. Tryptic peptide analysis demonstrated that the 74K protein shares methionine- and serine-containing peptides with VP1 and VP3 and thus is structurally related to the capsid proteins.
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