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    • 4. 发明授权
    • Phosphatases involved in the regulation of cardiomyocyte differentiation
    • 参与调节心肌细胞分化的磷酸酶
    • US08105803B2
    • 2012-01-31
    • US12296407
    • 2007-04-12
    • Takeru ZamaMitsuru MurataYasuo Ikeda
    • Takeru ZamaMitsuru MurataYasuo Ikeda
    • C12P21/06C07K14/00
    • C12N9/99A61K38/00C07K16/40C12N5/0657C12N9/16C12N2501/70G01N2500/10
    • An object of the invention is to provide a dephosphorylation enzyme that regulates cardiomyocyte differentiation, dominant negative enzyme thereof, a gene encoding the enzyme protein and use thereof. A protein or the like consisting of any one of the following amino acid sequences (A) to (C) is used: (A) the amino acid sequence of SEQ ID NO:2; (B) an amino acid sequence wherein one or several amino acids except for cysteine at position 138 are deleted, substituted or added in the amino acid sequence of SEQ ID NO:2, wherein a protein consisting of the amino acid sequence has a dual specificity phosphatase activity; and (C) an amino acid sequence having at least 60% or more homology to the amino acid sequence of SEQ ID NO:2 and having cysteine at position 138, wherein a protein consisting of the amino acid sequence has a dual specificity phosphatase activity.
    • 本发明的目的是提供调节心肌细胞分化的脱磷酸酶,其显性失活酶,编码酶蛋白的基因及其用途。 使用由下列氨基酸序列(A)至(C)中任一项构成的蛋白质:(A)SEQ ID NO:2的氨基酸序列; (B)氨基酸序列,其中138位的半胱氨酸以外的一个或几个氨基酸被缺失,取代或加入到SEQ ID NO:2的氨基酸序列中,其中由氨基酸序列组成的蛋白具有双重特异性 磷酸酶活性; 和(C)与SEQ ID NO:2的氨基酸序列具有至少60%以上同源性并且在138位具有半胱氨酸的氨基酸序列,其中由氨基酸序列组成的蛋白具有双特异性磷酸酶活性。