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    • 2. 发明授权
    • Protein complex having activity catalyzing asymmetric oxidation reaction and process for producing the same
    • 具有催化不对称氧化反应的活性的蛋白质复合物及其制备方法
    • US08852904B2
    • 2014-10-07
    • US13321520
    • 2010-05-20
    • Hiroyuki Nagaoka
    • Hiroyuki Nagaoka
    • C12P7/02A61L33/00C12P7/26C12N11/04C12P41/00C12N9/96C12N9/02
    • C12P7/02C12N9/0004C12N9/96C12N11/04C12P7/26C12P41/002Y02P20/52Y02P20/588
    • A process for producing a cross-linked crystallized protein complex, which comprises: a first step of concentrating a crude protein derived from an animal or plant; a second step of encapsulating the protein in a gel, to thereby allow the protein to undergo air oxidation, and then extracting a protein complex from the gel; a third step of allowing the extracted protein complex to undergo crystallization and precipitation; and a fourth step of cross-linking the precipitated protein complex. Alternatively, by use of a fifth step of drying (FD) the obtained crosslinked crystallized protein complex, to thereby form a powder. As a result, there is provided an enzyme which is stable at room temperature storage, and has an activity in catalyzing an asymmetric oxidation reaction. That is, there is provided a useful material which enables an efficient enzyme-mimetic reaction under a mild condition.
    • 一种生产交联结晶蛋白复合物的方法,其包括:浓缩源自动物或植物的粗蛋白质的第一步骤; 将蛋白质包封在凝胶中的第二步骤,从而使蛋白质经历空气氧化,然后从凝胶中提取蛋白质复合物; 第三步,使提取的蛋白质复合物进行结晶析出; 以及交联沉淀的蛋白质复合物的第四步骤。 或者,通过使用所获得的交联结晶蛋白复合物的干燥(FD)的第五步骤,从而形成粉末。 结果,提供了一种在室温下稳定的酶,并且具有催化不对称氧化反应的活性。 也就是说,提供了在温和条件下能够进行有效的酶模拟反应的有用材料。
    • 3. 发明授权
    • Process of producing optically active alcohol
    • 制备光学活性醇的方法
    • US06218581B1
    • 2001-04-17
    • US09367137
    • 1999-08-06
    • Hiroyuki Nagaoka
    • Hiroyuki Nagaoka
    • C07C2909
    • C12P41/00C12P7/02C12P41/002C12P41/004
    • The present invention relates to a process of producing optically active alcohol having high optical purity by performing an enzyme conversion reaction on a raw material serving as the substrate, examples of which include racemic alcohol, ketone and the acylated form of a racemic alcohol, followed by hydrolysis as necessary, using as an optical separation catalyst a immobilized water-soluble protein extracted from inexpensive and safe grains or beans in order to solve the problems of the reaction process consisting of low yield due to the occurrence of side reactions, detrimental effects on the ecosystem and their accompanying cost burden, the need for aseptic procedures and the extended amount of time of subculturing, all of which are problems associated with production processes of optically active alcohols of the prior art that use microorganisms, microorganism enzymes, animal tissue enzymes and cultured plant cells.
    • 本发明涉及通过对作为底物的原料进行酶转化反应来制造光学纯度高的光学活性醇的方法,其实例包括外消旋醇,酮和酰化形式的外消旋醇,然后是 根据需要进行水解,使用从廉价且安全的谷物或豆提取的固定化的水溶性蛋白质作为光学分离催化剂,以解决由于副反应的产生而产生的低产率的反应过程的问题,对副产物的不利影响 生态系统及其伴随的成本负担,无菌程序的需要和延长的传代时间,所有这些都是与使用微生物,微生物酶,动物组织酶和培养的现有技术的光学活性醇的生产方法相关的问题 植物细胞。
    • 4. 发明申请
    • PROTEIN COMPLEX HAVING ACTIVITY CATALYZING ASYMMETRIC OXIDATION REACTION AND PROCESS FOR PRODUCING THE SAME
    • 具有活性催化不对称氧化反应的蛋白复合物及其生产方法
    • US20120064588A1
    • 2012-03-15
    • US13321520
    • 2010-05-20
    • Hiroyuki Nagaoka
    • Hiroyuki Nagaoka
    • C12P7/02C12N9/02
    • C12P7/02C12N9/0004C12N9/96C12N11/04C12P7/26C12P41/002Y02P20/52Y02P20/588
    • A process for producing a cross-linked crystallized protein complex, which comprises: a first step of concentrating a crude protein derived from an animal or plant; a second step of encapsulating the protein in a gel, to thereby allow the protein to undergo air oxidation, and then extracting a protein complex from the gel; a third step of allowing the extracted protein complex to undergo crystallization and precipitation; and a fourth step of cross-linking the precipitated protein complex. Alternatively, by use of a fifth step of drying (FD) the obtained crosslinked crystallized protein complex, to thereby form a powder. As a result, there is provided an enzyme which is stable at room temperature storage, and has an activity in catalyzing an asymmetric oxidation reaction. That is, there is provided a useful material which enables an efficient enzyme-mimetic reaction under a mild condition.
    • 一种生产交联结晶蛋白复合物的方法,其包括:浓缩源自动物或植物的粗蛋白质的第一步骤; 将蛋白质包封在凝胶中的第二步骤,从而使蛋白质经历空气氧化,然后从凝胶中提取蛋白质复合物; 第三步,使提取的蛋白质复合物进行结晶析出; 以及交联沉淀的蛋白质复合物的第四步骤。 或者,通过使用所获得的交联结晶蛋白复合物的干燥(FD)的第五步骤,从而形成粉末。 结果,提供了一种在室温下稳定的酶,并且具有催化不对称氧化反应的活性。 也就是说,提供了在温和条件下能够进行有效的酶模拟反应的有用材料。