Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Zhanna Iosifovna Katashkina0
Sergei Vladimirovich Mashko0
Vera Georgievna Doroshenko0
Vitaliy Arkadyevich Livshits0
Aleksandra Yurievna Skorokhodova0
Alla Valentinovna Belareva0
Irina Vladimirovna Biryukova0
Maria Viacheslavovna Vitushkina0
Date of Patent
February 23, 2010
0Patent Application Number
103029970
Date Filed
November 25, 2002
0Patent Primary Examiner
Patent abstract
The present invention relates to a method for producing L-amino acid, such as L-phenylalanine and L-tryptophan, is provided using bacterium belonging to the genus Escherichia wherein the L-amino acid productivity of said bacterium is enhanced by enhancing an activity of protein encoded by the yddG gene from Escherichia coli, wherein said protein has an activity to make said bacterium resistant to L-phenylalanine, a phenylalanine analogue, or a tryptophan analogue. The present invention further relates to a method for producing lower alkyl ester of α-L-aspartyl-L-phenylalanine.
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