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Gross et al., 1990 - Google Patents

Production of L-tryptophan from D, L-5-indolylmethylhydantoin by resting cells of a mutant of Arthrobacter species (DSM 3747)

Gross et al., 1990

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Document ID
4757221378778077977
Author
Gross C
Syldatk C
Mackowiak V
Wagner F
Publication year
Publication venue
Journal of biotechnology

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Snippet

The reaction parameters and the stereospecificity of the enzymatic cleavage of D, L-5- indolylmethylhydantoin in producing L-tryptophan with resting cells of Arthrobacter sp. DSM 3747 were studied. When intact cells were tested, the optimal pH was between 8.5 and 9.0 …
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    • C12P13/00—Preparation of nitrogen-containing organic compounds
    • C12P13/04—Alpha- or beta- amino acids
    • C12P13/22—Tryptophan; Tyrosine; Phenylalanine; 3,4-Dihydroxyphenylalanine
    • C12P13/222—Phenylalanine
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    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/24—Preparation of oxygen-containing organic compounds containing a carbonyl group
    • C12P7/26—Ketones
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    • C12P41/00—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture
    • C12P41/006—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by reactions involving C-N bonds, e.g. nitriles, amides, hydantoins, carbamates, lactames, transamination reactions, or keto group formation from racemic mixtures
    • C12P41/007—Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by reactions involving C-N bonds, e.g. nitriles, amides, hydantoins, carbamates, lactames, transamination reactions, or keto group formation from racemic mixtures by reactions involving acyl derivatives of racemic amines
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    • C12N9/14—Hydrolases (3)
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    • C12P13/00—Preparation of nitrogen-containing organic compounds
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