Aspartate Dehydrogenase in Vitamin B12-Producing Klebsiella pneumoniae IFO 13541
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概要
- 論文の詳細を見る
We found a new reaction of aspartic acid dehydrogenation, catalyzed by NADP+ -dependent aspartate dehydrogenase, in vitamin B12-producing Klebsiella pneumoniae IFO 13541. The enzyme, which was purified from a crude extract of K. pneumoniae IFO 13541, catalyzes the oxidative deamination of aspartic acid to form oxaloacetic acid. This enzyme had a molecular mass of about 124 kDa consisting of two identical subunits. L-Aspartic acid was a substrate, although D-aspartic acid and L-glutamic acid were inactive. The enzyme showed maximal activity at about pH 7.0-8.0 for the oxidative deamination of L-aspartic acid, and it required NADP+ as a coenzyme, while NAD+ was inactive.
- 財団法人 学会誌刊行センターの論文
著者
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Noda H
Department Of Food Science And Nutrition School Of Human Environmental Sciences Mukogawa Women'
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Noda Hiroko
Department Of Food Science And Nutrition Mukogawa Women's University
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Fukuda Shoko
Department Of Food Science And Nutrition School Of Human Environmental Sciences Mukogawa Women'
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Okamura Tokumitsu
Department Of Food Science And Nutrition School Of Home Life And Environmental Science Mukogawa Wome
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Okamura Tokumitsu
Department Of Food Science And Nutrition School Of Human Environmental Sciences Mukogawa Women'
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Ohsugi Masahiro
Department Of Food Science And Nutrition School Of Human Environmental Sciences Mukogawa Women'
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Ohsugi Masahiro
Department of Food Science and Nutrition, School of Human Environmental Sciences, Mukogawa Women's University
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OKAMURA Tokumitsu
Department of Food Science and Nutrition, School of Human Environmental Sciences, Mukogawa Women's University
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Fukuda Shoko
Department of Food Science and Nutrition, School of Human Environmental Sciences, Mukogawa Women's University
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NODA HIROKO
Department of Biochemistry, School of Medicine Nagoya University
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OHSUGI Masahiro
Department of Domestic Science, Mukogawa Womens University
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