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    • 3. 发明申请
    • ENGINEERED SECRETED PROTEINS AND METHODS
    • 工程分泌蛋白质和方法
    • WO2014081884A1
    • 2014-05-30
    • PCT/US2013071091
    • 2013-11-20
    • PRONUTRIA INC
    • BASU SUBHAYUGORA KATHERINE GCHEN YING-JAYOUNG DAVID MSILVER NATHANIEL WHAMILL MICHAELBERRY DAVID A
    • A23L1/305A23L1/29
    • C07K14/32A23L33/18A23L33/30A23V2002/00A61K38/16A61K38/1709C07K14/195C07K14/37C12N9/00C12N9/2428C12N9/2437C12N9/2445C12N9/2482C12P21/02
    • Nutritive proteins are provided herein. Also provided are various other embodiments including nucleic acids encoding the proteins, recombinant microorganisms that make the proteins, vectors for expressing the proteins, methods of making the proteins using recombinant microorganisms, compositions that comprise the proteins, and methods of using the proteins. Nutritive proteins include engineered proteins, wherein the engineered proteins comprise a sequence of at least 20 amino acids that comprise an altered amino acid sequence compared to the amino acid sequence of a reference secreted protein and a ratio of essential amino acids to total amino acids present in the engineered protein higher than the ratio of essential amino acids to total amino acids present in the reference secreted protein. In some embodiments, the engineered protein comprises at least one essential amino acid residue substitution of a non-essential amino acid residue in the reference secreted protein.
    • 营养蛋白质在本文中提供。 还提供了各种其它实施方案,包括编码蛋白质的核酸,制备蛋白质的重组微生物,用于表达蛋白质的载体,使用重组微生物制备蛋白质的方法,包含蛋白质的组合物以及使用蛋白质的方法。 营养蛋白包括工程蛋白质,其中工程改造的蛋白质包含至少20个氨基酸的序列,其包含改变的氨基酸序列,与参考分泌蛋白质的氨基酸序列相比,必需氨基酸与总氨基酸的比例存在于 工程蛋白质高于参考分泌蛋白质中存在的必需氨基酸与总氨基酸的比例。 在一些实施方案中,工程改造的蛋白质包含参考分泌蛋白质中非必需氨基酸残基的至少一个必需氨基酸残基取代。