申请人:DPX HOLDINGS B.V.
公开号:US20160032335A1
公开(公告)日:2016-02-04
The present invention relates to a method for the enzymatic synthesis of enantiomerically enriched (R)-amines of general formula [1][c]
from the corresponding ketones of the general formula [1][a]
by using novel transaminases.
These novel transaminases are selected from two different groups: either from a group of some 20 proteins with sequences as specified herein, or from a group of proteins having transaminase activity and isolated from a microorganism selected from the group of organisms consisting of
Rahnella aquatilis, Ochrobactrum anthropi, Ochrobactrum tritici, Sinorhizobium morelense, Curtobacterium pusiffium, Paecilomyces lilacinus, Microbacterium ginsengisoli, Microbacterium trichothecenolyticum, Pseudomonas citronellolis, Yersinia kristensenii, Achromobacter spanius, Achromobacter insolitus, Mycobacterium fortuitum, Mycobacterium frederiksbergense, Mycobacterium sacrum, Mycobacterium fluoranthenivorans, Burkhoideria
sp.,
Burkhoideria tropica, Cosmospora episphaeria
, and
Fusarium oxysporum.
本发明涉及一种利用新型转氨酶从通式[1][a]的相应酮合成对映富集的(R)-胺的方法。这些新型转氨酶从两个不同的组中选择:一组具有如本文所述序列的约20种蛋白质,或者从具有转氨酶活性并从以下由Rahnella aquatilis、Ochrobactrum anthropi、Ochrobactrum tritici、Sinorhizobium morelense、Curtobacterium pusiffium、Paecilomyces lilacinus、Microbacterium ginsengisoli、Microbacterium trichothecenolyticum、Pseudomonas citronellolis、Yersinia kristensenii、Achromobacter spanius、Achromobacter insolitus、Mycobacterium fortuitum、Mycobacterium frederiksbergense、Mycobacterium sacrum、Mycobacterium fluoranthenivorans、Burkhoideriasp.、Burkhoideria tropica、Cosmospora episphaeria和Fusarium oxysporum组成的微生物中分离出的蛋白质组中选择。