Stereochemistry of Decarboxylation Reactions Catalyzed by a Constitutive Aromatic L-Amino Acid Decarboxylase
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概要
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The stereochemistry of the decarboxylation reaction catalyzed by an aromatic L-amino acid decarboxylase, purified from Micrococcus percitreus, was studied using stereospecifically deuterium labelled phenylalanine (Phe). The 1H NMR spectrum of [1, 2-2H2]-β-phenethylamine enzymatically derived from (2S, 3R)-[3-2H]-Phe in 2H2O was compared with that of [l-2H]- β-phenethylamine from unlabelled Phe in 2H2O. The results clearly indicate that the decarboxylation reaction of this enzyme proceeds exclusively through a course in which the configuration at C-2 of Phe is retained.
- 社団法人 日本農芸化学会の論文
著者
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Sawada Seiji
Department Of Chemistry Kyoto University Of Education
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Nakazawa Hidetsugu
Central Research Laboratories, Ajinomoto Co., Inc.
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Kainosho Masatsune
Department Of Chemistry Faculty Of Science Tokyo Metropolitan University
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Yamada Hideaki
Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto University
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YAMADA HIDEAKI
Department of Agricultural Chemistry, Faculty of Agriculture, Kyoto University
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AJISAKA Katsumi
Central Research Laboratories, Ajinomoto Co., Inc.
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NAKAZAWA Hidetsugu
Central Research Laboratories of Ajinomoto Co., Inc.
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