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    • 1. 发明申请
    • A MONOCLONAL ANTIBODY AGAINST THE GAG PROTEIN PRECURSOR p55 OF HUMAN IMMUNODEFICIENCY VIRUS
    • 抗人类免疫缺陷病毒的GAG蛋白前体p55的单克隆抗体
    • WO1991019000A1
    • 1991-12-12
    • PCT/EP1991000947
    • 1991-05-21
    • GRUPPO LEPETIT S.P.A.NOLLI, Maria, Luisa, CesiraSARUBBI, Edoardo, Giacomo
    • GRUPPO LEPETIT S.P.A.
    • C12P21/08
    • C07K14/005C07K16/1054C12N2740/16222
    • A monoclonal antibody showing specific reactivity against the precursor protein named p55 which is cleaved by HIV-1 protease into smaller structural protein. The antibody of this invention shows specific reactivity against an epitope of the p55 protein which corresponds to the cleavage site by HIV-1 protease which generates the p24 and p17 structural proteins. The specific antibody is an IgG1 protein with a molecular weight of the order of 150,000 Dalton produced by a hybridoma deriving from the fusion of spleen cells of animals immunized with a cloned fused protein containing a p55 fragment which includes the p24/p17 cleavage site and a myeloma cell line. The specific antibody is useful for monitoring HIV-1 exposure, for isolation and purification of natural or synthetic peptides containing the p55 sequence or a fragment thereof which include the p24/p17 cleavage site and for screening substances for HIV-1 protease inhibitory activity.
    • 显示出与HIV-1蛋白酶切割成较小结构蛋白的名为p55的前体蛋白的特异性反应性的单克隆抗体。 本发明的抗体显示出对应于产生p24和p17结构蛋白的HIV-1蛋白酶的切割位点的p55蛋白表位的特异性反应性。 特异性抗体是IgG1蛋白,其分子量为150,000道尔顿产生的杂交瘤,该杂交瘤来源于用包含p24 / p17切割位点的p55片段的克隆融合蛋白免疫的动物的脾细胞融合, 骨髓瘤细胞系。 特异性抗体可用于监测HIV-1暴露,用于分离和纯化含有p55序列或其片段的天然或合成肽,其包括p24 / p17切割位点和用于筛选HIV-1蛋白酶抑制活性的物质。