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    • 13. 发明申请
    • BIOSYNTHETIC PROLINE/ALANINE RANDOM COIL POLYPEPTIDES AND THEIR USES
    • 生物活性聚氨酯/芳香族线圈多糖及其用途
    • WO2011144756A1
    • 2011-11-24
    • PCT/EP2011/058307
    • 2011-05-20
    • XL-PROTEIN GMBHTECHNISCHE UNIVERSITÄT MÜNCHENSKERRA, ArneBINDER, UliSCHLAPSCHY, Martin
    • SKERRA, ArneBINDER, UliSCHLAPSCHY, Martin
    • A61K38/00C07K7/00
    • C07K14/00A61K38/00A61K47/645A61K2039/505C07K7/08C07K14/001C07K14/56C07K14/615C07K16/00C07K2317/55C07K2319/31
    • The present invention relates to a biosynthetic random coil polypeptide or a biosynthetic random coil polypeptide segment or biosynthetic conjugate, wherein said biosynthetic random coil polypeptide, said biosynthetic random coil polypeptide segment or said biosynthetic conjugate comprises an amino acid sequence consisting solely of proline and alanine amino acid residues, wherein said amino acid sequence consists of at least about 50 proline (Pro) and alanine (Ala) amino acid residues. Said at least about 50 proline (Pro) and alanine (Ala) amino acid residues may be (a) constituent(s) of a heterologous polypeptide or an heterologous polypeptide construct. Also uses and methods of use of these biosynthetic random coil polypeptides or polypeptide segments or said conjugates are described. The uses may, inter alia, comprise medical uses, diagnostic uses or uses in the food industry as well as other industrial applications, like in the paper industry, in oil recovery, etc. In particular, a drug conjugate is provided that comprises (i) a biosynthetic random coil polypeptide or polypeptide segment comprising an amino acid sequence consisting solely of proline and alanine amino acid residues, wherein said amino acid sequence consists of at least 50 proline (Pro) and alanine (Ala) amino acid residues, and (ii) a drug selected from the group consisting of (a) a biologically active protein or a polypeptide that comprises or that is an amino acid sequence that has or mediates a biological activity and (b) a small molecule drug. Furthermore, nucleic acid molecules encoding the biosynthetic random coil polypeptide or polypeptide segment and/or the biologically active, heterologous proteins as well as vectors and cells comprising said nucleic acid molecules are disclosed. In addition, the present invention provides compositions comprising the compounds of the invention as well as specific uses of the random coil polypeptide or polypeptide segment, the biologically active proteins, the drug conjugates or the nucleic acid molecules, vectors and cells of the invention. Also methods of producing and/or obtaining the inventive biosynthetic random coil polypeptides or polypeptide segments as well as of producing and/or obtaining the inventive biologically active, heterologous proteins, and/or polypeptide constructs or conjugates, like drug conjugates are provided.
    • 本发明涉及生物合成无规卷曲多肽或生物合成无规卷曲多肽片段或生物合成缀合物,其中所述生物合成无规卷曲多肽,所述生物合成无规卷曲多肽片段或所述生物合成缀合物包含仅由脯氨酸和丙氨酸氨基酸组成的氨基酸序列 酸残基,其中所述氨基酸序列由至少约50个脯氨酸(Pro)和丙氨酸(Ala)氨基酸残基组成。 所述至少约50个脯氨酸(Pro)和丙氨酸(Ala)氨基酸残基可以是(a)异源多肽或异源多肽构建体的组成。 还描述了使用这些生物合成无规卷曲多肽或多肽片段或所述缀合物的用途和方法。 用途可以包括食品工业中的医疗用途,诊断用途或用途以及其它工业应用,如造纸工业,油回收等。特别地,提供药物缀合物,其包含(i )生物合成无规卷曲多肽或多肽片段,其包含仅由脯氨酸和丙氨酸氨基酸残基组成的氨基酸序列,其中所述氨基酸序列由至少50个脯氨酸(Pro)和丙氨酸(Ala)氨基酸残基组成,和(ii )选自由以下组成的组的药物:(a)生物活性蛋白质或包含或具有或介导生物活性的氨基酸序列的多肽,和(b)小分子药物。 此外,公开了编码生物合成无规卷曲多肽或多肽片段和/或生物活性异源蛋白质的核酸分子以及包含所述核酸分子的载体和细胞。 此外,本发明提供包含本发明化合物的组合物以及本发明的无规卷曲多肽或多肽片段,生物活性蛋白质,药物缀合物或核酸分子,载体和细胞的具体用途。 还提供了生产和/或获得本发明生物合成无规卷曲多肽或多肽片段以及产生和/或获得本发明的生物活性异源蛋白质和/或多肽构建体或缀合物如药物缀合物的方法。