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    • 3. 发明授权
    • Isomerases, nucleic acids encoding them and methods for making and using them
    • 异构酶,编码它们的核酸和制备和使用它们的方法
    • US08541220B2
    • 2013-09-24
    • US12810067
    • 2008-12-22
    • David P. WeinerEllen G. BurkePeter LuginbuhlAnalia BuenoJoslin M. CuencaMervyn L. De SouzaSherry Kollmann
    • David P. WeinerEllen G. BurkePeter LuginbuhlAnalia BuenoJoslin M. CuencaMervyn L. De SouzaSherry Kollmann
    • C12N9/90C12N9/88C12N9/48C12N9/42C12N9/16C02F3/34A62D3/00C07H21/04C07K1/00A21D2/00A23L1/10D21C3/20
    • C12N9/90A01K67/0275A01K2217/05A01K2227/10A23G3/366A23G4/123A23G4/14A23K20/189A23L29/06A23V2002/00A61K38/00A61K38/52C12Q1/533C12Y501/00C12Y501/01
    • This invention relates generally to enzymes, polynucleotides encoding the enzymes, the use of such polynucleotides and polypeptides and more specifically to enzymes having isomerase activity, e.g., racemase activity, e.g., amino acid racemase activity, alanine racemase activity, and/or epimerase activity, and/or catalyze the re-arrangement of atoms within a molecule, catalyze the conversion of one isomer into another, catalyze the conversion of an optically active substrate into a raceme, which is optically inactive, catalyze the interconversion of substrate enantiomers, catalyze the stereochemical inversion around the asymmetric carbon atom in a substrate having only one center of asymmetry, catalyze the stereochemical inversion of the configuration around an asymmetric carbon atom in a substrate having more than one asymmetric center, and/or catalyze the racemization of amino acids. Thus, the invention provides enzymes, compositions, methods for production of pharmaceutical compositions, pharmaceutical intermediates, antibiotics, sweeteners, peptide enzymes, peptide hormones, fuel and fuel additive compositions, foods and food additives, beverage and beverage additives, feeds and feed additives, drugs and drug additives, dietary supplements, textiles, wood, paper, pulp, and detergents comprising the polypeptides or polynucleotides in accordance with the invention.
    • 本发明一般涉及酶,编码酶的多核苷酸,这种多核苷酸和多肽的用途,更具体地涉及具有异构酶活性的酶,例如消旋酶活性,例如氨基酸消旋酶活性,丙氨酸消旋酶活性和/或差向异构酶活性, 和/或催化分子内原子的重新排列,催化一种异构体转化为另一种异构体,催化光学活性底物转化为光学无活性的外消旋体,催化底物对映异构体的相互转化,催化立体化学 在仅具有一个不对称中心的底物中的不对称碳原子周围反转,催化具有多于一个不对称中心的底物中不对称碳原子周围的构型的立体化学反转,和/或催化氨基酸的外消旋化。 因此,本发明提供了用于生产药物组合物,药物中间体,抗生素,甜味剂,肽酶,肽激素,燃料和燃料添加剂组合物,食品和食品添加剂,饮料和饮料添加剂,饲料和饲料添加剂的酶,组合物, 药物和药物添加剂,膳食补充剂,纺织品,木材,纸,纸浆和洗涤剂,其包含根据本发明的多肽或多核苷酸。
    • 10. 发明授权
    • Variant CBH I polypeptides
    • 变体CBH I多肽
    • US09234216B2
    • 2016-01-12
    • US13824315
    • 2011-10-06
    • Justin T. StegeAlexander VarvakJohn PolandChris S. LyonShaun HealeyPeter Luginbuhl
    • Justin T. StegeAlexander VarvakJohn PolandChris S. LyonShaun HealeyPeter Luginbuhl
    • C12P7/14C12N9/42C12P19/02C12P19/14
    • C12P7/14C12N9/2437C12P7/10C12P19/02C12P19/14C12Y302/01091Y02E50/16Y02E50/17
    • In alternative embodiments, the invention provides polypeptides having a lignocellulolytic (lignocellulosic) activity, e.g., a ligninolytic and cellulolytic activity, including, e.g., a glycosyl hydrolase, a cellulase, an endoglucanase, a cellobiohydrolase (cbhl) (e.g., an exo-cellobiohydrolase, e.g., having an “exo” activity that can processively release cellobiose units β-1,4 glucose-glucose disaccharide), a beta-glucosidase, a xylanase, a mannanse, a xylosidase (e.g., a (β-xylosidase) and/or an arabinofuranosidase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In one embodiment, the invention provides thermostable and thermotolerant forms of polypeptides of the invention. The polypeptides and nucleic acids of the invention are used in a variety of pharmaceutical, agricultural and industrial contexts; for example, as enzymes for the bioconversion of a biomass, e.g., lignocellulosic residues, into fermentable sugars, where in one aspect these sugars are used as a chemical feedstock for the production of ethanol and fuels, e.g., biofuels, e.g., synthetic liquid or gas fuels, including ethanol, methanol and the like.
    • 在替代实施方案中,本发明提供具有木质纤维素分解(木质纤维素)活性的多肽,例如木质素分解和纤维素分解活性,包括例如糖基水解酶,纤维素酶,内切葡聚糖酶,纤维二糖水解酶(cbhl)(例如,外切纤维二糖水解酶 例如具有可以逐步释放纤维二糖单元和-1,4葡萄糖 - 葡萄糖二糖的“外显子”活性,β-葡糖苷酶,木聚糖酶,甘露聚糖,木糖苷酶(例如,(β-谷氨酸) 和/或阿拉伯呋喃糖苷酶活性,编码这些多肽的多核苷酸,以及制备和使用这些多核苷酸和多肽的方法在一个实施方案中,本发明提供了本发明的多肽的热稳定性和耐热性形式,使用本发明的多肽和核酸 在各种制药,农业和工业环境中;例如,作为生物质生物转化的酶,例如木质纤维素残基,i 在一方面,这些糖用作生产乙醇和燃料的化学原料,例如生物燃料,例如合成液体或气体燃料,包括乙醇,甲醇等。