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J Virol. 1982 May; 42(2): 530-537

Identification of proteins encoded by a fragment of herpes simplex virus type 2 DNA that has transforming activity.

D A Galloway, L C Goldstein and J B Lewis

ABSTRACT

Cloned BglII fragment N (map units 0.58 to 0.625) of herpes simplex virus type 2 DNA has been shown to transform rodent cells to an oncogenic phenotype (Galloway and McDougall, J. Virol. 38: 749-760, 1981). RNA homologous to this fragment directs the synthesis of five polypeptides in a cell-free translation system. The approximate molecular weights of these proteins are 140,000, 61,000, 56,000, 35,000, and 23,500. The 35,000-dalton protein is the major species late in infection and is the only species detected before the onset of viral DNA replication. The arrangement of the sequences encoding these proteins along the herpes simplex virus type 2 genome was determined by hybridization of the RNA to cloned PstI fragment of BglII-N and to single-stranded DNA segments cloned into M13mp7. Both the hybridization experiments and immunoprecipitation with monoclonal antibodies suggested that the 140,000- and 35,000-dalton proteins are at least partially colinear and share antigenic determinants.

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J Virol. 1982 May; 42(2): 530-537