Serine protease variants and polynucleotides encoding same

    公开(公告)号:US11447763B2

    公开(公告)日:2022-09-20

    申请号:US17148790

    申请日:2021-01-14

    申请人: NOVOZYMES A/S

    IPC分类号: C12N9/58 C12P7/06

    摘要: The present invention relates to protease variants, having improved properties compared to the parent protease, in particular variants of a serine protease belonging to family 53 derived from a strain of Meripilus giganteus. The variants according to the invention have in particular increased thermo-stability, e.g., increased residual activity after 30 min at a temperature in the range from 55 to 60° C. and/or increased thermal denaturation temperature, compared to the parent Meripilus giganteus protease. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.

    Methods for producing polypeptides in protease-deficient mutants of Trichoderma

    公开(公告)号:US11078510B2

    公开(公告)日:2021-08-03

    申请号:US16996168

    申请日:2020-08-18

    申请人: Novozymes, Inc.

    摘要: The present invention relates to mutants of a parent Trichoderma strain, comprising a polynucleotide encoding a polypeptide and one or more (several) genes selected from the group consisting of a first subtilisin-like serine protease gene, a first aspartic protease gene, a trypsin-like serine protease gene, a second subtilisin-like serine protease gene, and a second aspartic protease gene, wherein the one or more (several) genes are modified rendering the mutant strain deficient in the production of one or more (several) enzymes selected from the group consisting of a first subtilisin-like serine protease, a first aspartic protease, a trypsin-like serine protease, a second subtilisin-like serine protease, and a second aspartic protease, respectively, compared to the parent Trichoderma strain when cultivated under identical conditions. The present invention also relates to methods of producing a polypeptide in such mutants and methods for producing such mutants.

    SERINE PROTEASE VARIANTS AND POLYNUCLEOTIDES ENCODING SAME

    公开(公告)号:US20210139876A1

    公开(公告)日:2021-05-13

    申请号:US17148790

    申请日:2021-01-14

    申请人: NOVOZYMES A/S

    IPC分类号: C12N9/58 C12P7/06

    摘要: The present invention relates to protease variants, having improved properties compared to the parent protease, in particular variants of a serine protease belonging to family 53 derived from a strain of Meripilus giganteus. The variants according to the invention have in particular increased thermo-stability, e.g., increased residual activity after 30 min at a temperature in the range from 55 to 60° C. and/or increased thermal denaturation temperature, compared to the parent Meripilus giganteus protease. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.