申请人:Taylor Paul P.
公开号:US20110059503A1
公开(公告)日:2011-03-10
A composition of variant biocatalysts, specifically variants of
D
-amino acid oxidases, with improved biocatalytic activity towards
D
-amino acid substrates such as, but not limited to,
D
-tert-leucine,
D
-norvaline,
D
-2-aminobutyrate,
D
-alanine,
D
-isoleucine,
D
-valine,
D
-methionine,
D
-hydroxyadamantlyglycine,
D
-penicillamine, or
D
-norleucine is disclosed. Further disclosed is a method of preparing enantioselective amino acids using variant
D
-amino acid oxidases of the present invention.
本发明涉及一种多种生物催化剂的组合物,特别是D-氨基酸氧化酶的变异体,其对D-氨基酸底物具有改进的生物催化活性,例如但不限于D-叔亮氨酸、D-异戊氨酸、D-2-氨基丁酸、D-丙氨酸、D-异亮氨酸、D-缬氨酸、D-蛋氨酸、D-羟基金刚烷甘氨酸、D-青霉胺酸或D-正癸氨酸。本发明还公开了使用本发明的变异D-氨基酸氧化酶制备对映选择性氨基酸的方法。