| 摘要 |
A substantially pure polypeptide having at least one antigenic determinant that is substantially identical to an antigenic determinant of a protein from a cell line infected with a specified virus that has been deposited with the ATCC, the protein being selected from: a) a glycoprotein having a molecular weight (m.w.) of about 160,000 daltons; a glycoprotein having a m.w. of about 120,000 daltons; a gag protein having a m.w. of about 55,000 daltons; a gag protein having a m.w. of about 24,000 daltons; and a glycoprotein having a m.w. of about 32,000 daltons. Also disclosed are various methods of immunoassay using that peptide or antibodies raised to it. Finally, immunoassays for simian specimens are disclosed using peptides that are immunologically cross-reactive with the above-described peptide, or antibodies thereto.
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