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    • 43. 发明授权
    • Mutated alkaline cellulase
    • 突变碱性纤维素酶
    • US09169458B2
    • 2015-10-27
    • US13583508
    • 2011-03-11
    • Ayako ShimazuKeiji EndoMitsuyoshi Okuda
    • Ayako ShimazuKeiji EndoMitsuyoshi Okuda
    • C12N9/42C12N1/20C12N15/00C07H21/04C11D3/386
    • C11D3/38645C12N9/2437C12Y302/01004
    • The present invention provides a mutant alkaline cellulase having enhanced anti-redeposition ability. The present invention provides a mutant alkaline cellulase having an amino acid sequence in which at least amino acid residue selected from the amino acid residues at the positions corresponding to positions 58, 45, 52, 56, 60, 64, 66, 71, 103, 119, 122, 123, 124, 125, 127, 130, 140, 161, 164, 175, 176, 178, 179, 181, 193, 194, 195, 196, 197, 199, 202, 203, 217, 225, 227, 228, 251, 267, 272, 276, 277, 280, 282, 297, 310, 312, 318, 324, 345, 354, 356, 357, 360, 363, 368, 418, 419, 420, 421, 422, 453, 454, 455, 457, 458, 459, 494, 495, 496, 500, 501, 502, 503, 504, 550, 551, 552, 604, 605, 606, 607, 608, 640, 641, 642, 644, 645, 646, 683, 684, 685, 690, 691, 692, 693, 694, 739, 740, and 741 of the amino acid sequence of an alkaline cellulase set forth in SEQ ID NO: 2 or of the amino acid sequence of an alkaline cellulase having at least 70% identity with the amino acid sequence of SEQ ID NO: 2, is substituted with other amino acid residue.
    • 本发明提供具有增强的抗再沉积能力的突变型碱性纤维素酶。 本发明提供了一种具有氨基酸序列的突变型碱性纤维素酶,其中至少选自氨基酸残基的氨基酸残基位于对应于位置58,45,52,56,66,66,61,103,60,64,66,67,60,62,68,62,62,64,68,62,62,62,67,67,69,68,62,62,67 119,122,123,124,125,127,130,140,​​161,164,175,176,178,179,181,193,194,195,196,197,199,202,203,217,225, 227,228,251,267,272,276,277,280,282,277,310,312,318,324,345,354,356,357,360,363,368,418,419,420,421,418,417,318,472,427,268,267,280,282,276,277,280,282,276,277,280,282,276,277,280,282,276,277,280,282,276,277,280,282 422,453,454,455,457,458,459,494,495,496,5500,501,502,503,504,550,551,552,604,605,606,607,608,640,641, 或SEQ ID NO:2所示的碱性纤维素酶的氨基酸序列的642,644,645,646,683,684,685,690,691,692,693,694,739,740和741,或 与SEQ ID NO:2的氨基酸序列具有至少70%同一性的碱性纤维素酶的氨基酸序列被其它氨基酸残基取代。
    • 47. 发明授权
    • Mutant bacterium belonging to the genus Bacillus
    • 属于芽孢杆菌属的突变细菌
    • US07855065B2
    • 2010-12-21
    • US10590275
    • 2005-03-04
    • Keiji EndoKatsuya Ozaki
    • Keiji EndoKatsuya Ozaki
    • C12N1/20C12N15/74C12N15/75C12P21/04
    • C12N9/2417C12N9/2437C12N9/54C12Y302/01004
    • The present invention provides a mutant Bacillus bacterium capable of enhancing productivity of proteins or polypeptides, a recombinant microorganism produced by introducing genes encoding heterologous proteins or polypeptides into the mutant Bacillus bacterium, and a method for producing proteins or polypeptides by use of the recombinant microorganism. A mutant Bacillus bacterium which has, on the genome or plasmid thereof, DNA having a promoter sequence which is recognized and transcribed specifically during the sporulation stage and which is ligated to an upstream end of a sigA gene or a gene equivalent thereto, a recombinant microorganism produced by introducing genes encoding heterologous proteins or polypeptides into the mutant Bacillus bacterium, and a method for producing proteins or polypeptides by use of the recombinant microorganism.
    • 本发明提供能够提高蛋白质或多肽生产力的突变芽孢杆菌属细菌,通过将编码异源蛋白质或多肽的基因导入突变芽孢杆菌属细菌产生的重组微生物,以及通过使用重组微生物产生蛋白质或多肽的方法。 一种突变芽孢杆菌属细菌,其在基因组或质粒上具有在孢子形成阶段中特异性识别并转录并与sigA基因或其等同基因相连的基因的上游端的启动子序列的DNA,重组微生物 通过将编码异源蛋白质或多肽的基因导入突变芽孢杆菌属细菌而产生,以及通过使用重组微生物产生蛋白质或多肽的方法。