1973 Volume 37 Issue 3 Pages 587-591
Microbial transaminase which catalyzes the reaction between 3, 4-disubstituted phenyl pyruvate and certain amino acids to produce 3, 4-disubstituted phenyl-L-alanine was investigated. Wide distribution of this enzyme among the various kinds of microorganisms was confirmed.
3, 4-Dihydroxyphenyl-L-alanine (L-Dopa) or 3, 4-dimethoxyphenyl-L-alanine was isolated from corresponding keto acids using three strains of selected microorganisms.
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