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    • 10. 发明申请
    • A GENETICALLY ENCODED BORONATE AMINO ACID
    • 一种基因编码的二硼酸氨基酸
    • WO2009059056A3
    • 2009-08-20
    • PCT/US2008081868
    • 2008-10-30
    • SCRIPPS RESEARCH INSTBRUSTAD ERICBUSHEY MARK LSCHULTZ PETER G
    • BRUSTAD ERICBUSHEY MARK LSCHULTZ PETER G
    • C12N9/00
    • C12P13/222C07K17/06C12N9/93C12N15/67C12P21/02
    • Provided are compositions comprising an aminoacyl tRNA synthetase that selectively recognizes a boronic amino acid. Methods of incorporating a boronic amino acid into a target polypeptides and target polypeptides produced by the methods are also provided. Methods of producing a protein, which methods comprise site-specifically encoding a boronic amino acid residue into a mutant protein and selectively converting the boronic amino acid residue into a natural amino acid residue are provided. Also provided are compositions comprising a solid phase matrix covalently bound to a polypeptide through a boronic amino acid residue. In addition, compositions comprising a purified population of polypeptide molecules that each comprise a borono amino acid at a selected site are provided.
    • 提供了包含选择性识别硼酸氨基酸的氨酰基tRNA合成酶的组合物。 还提供了将硼酸氨基酸掺入靶多肽和通过该方法产生的靶多肽的方法。 提供了产生蛋白质的方法,该方法包括将硼酸氨基酸残基特异性编码到突变蛋白中并选择性地将硼酸氨基酸残基转化成天然氨基酸残基。 还提供了包含通过硼酸氨基酸残基与多肽共价结合的固相基质的组合物。 此外,提供了包含纯化的多肽分子群的组合物,其各自包含选定位点的硼氢氨基酸。