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    • 5. 发明授权
    • Color screening assay for identifying inhibitor resistant HIV protease
mutants
    • 用于鉴定抑制剂的HIV蛋白酶突变体的彩色筛选测定
    • US5436131A
    • 1995-07-25
    • US45264
    • 1993-04-02
    • Jon H. CondraDonald J. GrahamLeah Gotlib
    • Jon H. CondraDonald J. GrahamLeah Gotlib
    • C12N9/50C12Q1/37
    • C12N9/506
    • A chromogenic assay is described for the identification and isolation of drug-resistant HIV protease mutants. Coversely, the assay is useful to screen for new inhibitors of HIV protease, e.g., inhibitors not affected by drug-resistance of the HIV protease. This color screening assay contains a vector comprising a regulatable promoter which controls the transcription of two adjacent structural sequences, one sequence coding for HIV protease or mutant thereof, the other sequence coding for beta-galactosidase with an amino acid substrate insert cleavable by HIV protease. A library of HIV proteases is also described and is isolated in the form of a collection of such vectors, which is a color screen vector library.
    • 描述了用于鉴定和分离耐药HIV蛋白酶突变体的显色测定法。 相反,该测定可用于筛选HIV蛋白酶的新抑制剂,例如不受HIV蛋白酶耐药性影响的抑制剂。 该彩色筛选测定法包含含有可调控启动子的载体,其控制两个相邻结构序列的转录,编码HIV蛋白酶或其突变体的一个序列,编码具有可被HIV蛋白酶切割的氨基酸底物插入物的β-半乳糖苷酶的其它序列。 还描述了HIV蛋白酶库,并以这样的载体的集合的形式分离,其为彩色荧光载体文库。