Monoclonal antibodies to two glycoproteins of herpes simplex virus type 2.
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Monoclonal antibodies to herpes simplex virus type 2 were found to precipitate different numbers of radiolabeled polypeptides from lysates of virus-infected cells. Antibodies directed against two viral glycoproteins were characterized. Antibodies from hybridoma 17 alpha A2 precipitated a 60,000-molecular-weight polypeptide which chased into a 66,000- and 79,000-molecular-weight polypeptide. All three polypeptides labeled in the presence of [3H]glucosamine and had similar tryptic digest maps. The 60,000-molecular-weight polypeptide also chased into a 31,000-molecular-weight species which did not label with [3H]glucosamine. Antibodies from hybridoma 17 beta C2 precipitated a 50,000-molecular-weight polypeptide which chased into a 56,000- and 80,000-molecular weight polypeptide. These polypeptides also shared a similar tryptic digest map and labeled with [3H]glucosamine. Both monoclonal antibodies were herpes simplex virus type 2 specific. The viral proteins precipitated by 17 alpha A2 antibodies had characteristics similar to those reported for glycoprotein E, whereas the proteins precipitated by 17 beta C2 antibodies appeared to represent a glycoprotein not previously described. This glycoprotein should be tentatively designated glycoprotein F.
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