Nitrilases, nucleic acids encoding them and methods for making and using them
申请人:Diversa Corporation
公开号:US20040014195A1
公开(公告)日:2004-01-22
The invention relates to nitrilases and to nucleic acids encoding the nitrilases. In addition methods of designing new nitrilases and method of use thereof are also provided. The nitrilases have increased activity and stability at increased pH and temperature.
An environmentally benign catalyst, the N,N′-dioxide–FeCl3 complex, has been developed for the asymmetric intramolecular Cannizzaro reaction with high yields and enantioselectivities.
Methods for producing enantiomerically pure alpha-substituted carboxylic acids
申请人:——
公开号:US20020012974A1
公开(公告)日:2002-01-31
In accordance with the present invention there are provided methods for producing enantiomerically pure &agr;-substituted carboxylic acids, such as, for example, &agr;-amino acids and &agr;-hydroxy acids, said method comprising combining an aldehyde or ketone with a cyanide and ammonia or an ammonium salt or an amine, in the presence of a nitrilase or a polypeptide having nitrilase activity which stereoselectively hydrolyzes the amino nitrile or cyanohydrin intermediate under conditions sufficient to produce the carboxylic acid.
Taxoid anti-tumor agents and pharmaceutical compositions thereof
申请人:——
公开号:US20020022651A1
公开(公告)日:2002-02-21
Pharmaceutical compositions, methods of administration, and methods of treatment of cancer with new generation taxoids, of formulas (I) and (II), and derivatives thereof, are described:
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本文描述了使用新一代紫杉醇(I)和(II)及其衍生物的药物组合物、给药方法和治疗癌症的方法。
Nitrilases, Nucleic Acids Encoding Them and Methods for Making and Using Them
申请人:DeSantis Grace
公开号:US20100009426A1
公开(公告)日:2010-01-14
The invention relates to nitrilases and to nucleic acids encoding the nitrilases. In addition methods of designing new nitrilases and method of use thereof are also provided. The nitrilases have increased activity and stability at increased pH and temperature.