Cloning and Expression of Fructosyl-amino Acid Oxidase Gene from Corynebacterium sp. 2-4-1 in Escherichia coli(Biochemistry & Molecular Biology)
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概要
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The gene encoding the fructosyl-amino acid oxidase (fructosyl-α-L-amino acid : oxygen oxidoreductase (defructosylating) ; EC 1. 5. 3) of Corynebacterium sp. 2-4-1 was cloned and expressed in Escherichia coli. The gene consists of 1,116 nucleotides and encodes a protein of 372 amino acids with a predicted molecular mass of 39,042. The open reading frame was confirmed as the gene of the fructosyl-amino acid oxidase by comparison with the N-terminal amino acid sequence of the purified fructosyl-amino acid oxidase from Corynebacterium sp. 2-4-1. The sequence of the AMP-binding motif, GXGXXG, was found in the deduced N-terminal region. The amino acid sequence of the fructosyl-amino acid oxidase showed no similarity to that of fungal fructosyl-amino acid oxidases. In addition, substrate specificities of this fructosyl-amino acid oxidase were different from those of other fructosyl-amino acid oxidases. The fructosyl-amino acid oxidase of Corynebacterium sp. 2-4-1 is an enzyme that has unique substrate specificity and primary structure in comparison with fungal fructosyl-amino acid oxidases.
- 社団法人日本農芸化学会の論文
- 2002-06-23
著者
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Koyama Yasuji
Research And Development Division Kikkoman Corporation
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Kajiyama Naoki
Research And Development Division Kikkoman Corporation
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SAKAUE Ryoichi
Research and Development Division, Kikkoman Corporation
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HIRUMA Minoru
Research and Development Division, Kikkoman Corporation
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Sakaue Ryoichi
Research And Development Division Kikkoman Corporation
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