Endoglucanases
    3.
    发明申请
    Endoglucanases 有权
    内切葡聚糖酶

    公开(公告)号:US20050070003A1

    公开(公告)日:2005-03-31

    申请号:US10965499

    申请日:2004-10-14

    摘要: The present invention relates to enzyme preparations consisting essentially of an enzyme which has cellulytic activity and comprises a first amino acid sequence having the following sequence (SEQ ID NO: 79) ThrArgXaaXaaAspCysCysXaaXaaXaaCysXaaTrpXaa 1234567891011121314 and a second amino acid sequence having the following sequence TrpCysCysXaaCys(SEQ ID NO: 80) 12345 wherein, at position 3 of the first sequence, the amino acid is Trp, Tyr or Phe; at position 4 of the first sequence, the amino acid is Trp, Tyr or Phe; at position 8 of the first sequence, the amino acid is Arg, Lys or His; at positions 9, 10, 12 and 14, respectively, of the first sequence, and at position 4 of the second sequence, the amino acid is any of the 20 naturally occurring amino acid residues with the provisos that, in the first amino acid sequence, (i) when the amino residue at position 12 is Ser, then the amino acid residue at position 14 is not Ser, and (ii) when the amino residue at position 12 is Gly, then the amino acid residue at position 14 is not Ala, performs very well in industrial applications such as laundry compositions, for biopolishing of newly manufactured textiles, for providing an abraded look of cellulosic fabric or garment, and for treatment of paper pulp. Further, the invention relates to DNA constructs encoding such enzymes, a method for providing a gene encoding for such enzymes, a method of producing the enzymes, enzyme preparations containing such enzymes, and the use of these enzymes for a number of industrial applications.

    摘要翻译: 本发明涉及酶制剂,其基本上由具有纤维素分解活性的酶组成,并且包含具有以下序列的第一氨基酸序列和具有以下序列的第二个氨基酸序列,其中在第一序列的3位是氨基酸 是Trp,Tyr或Phe; 在第一序列的位置4处,氨基酸是Trp,Tyr或Phe; 在第一序列的位置8,氨基酸是Arg,Lys或His; 在第一序列的第9,10,12和14位,第2个序列的第4位,氨基酸是20个天然存在的氨基酸残基中的任一个,条件是在第一个氨基酸序列 ,(i)当第12位的氨基残基为Ser时,第14位的氨基酸残基不为Ser,(ii)当第12位的氨基残基为Gly时,第14位的氨基酸残基为 Ala在工业应用中表现良好,例如洗衣组合物,用于生物抛光新制造的纺织品,用于提供纤维素织物或衣服的磨损外观以及纸浆处理。 此外,本发明涉及编码这些酶的DNA构建体,提供编码这种酶的基因的方法,生产酶的方法,含有这些酶的酶制剂,以及这些酶用于许多工业应用的用途。