Molecular Cloning and Characterization of an Enzyme Hydrolyzing p-Nitrophenyl α-D-Glucoside from Bacillus stearothermophilus SA0301
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- KOBAYASHI Atsushi
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology
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- TONOZUKA Takashi
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology
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- SATO Kimihiko
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology
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- SUYAMA Mikita
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology
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- SASAKI Jun
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology
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- NYAMDAWAA Batbold
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology
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- SAKAGUCHI Masayoshi
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology
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- SAKANO Yoshiyuki
- Department of Applied Biological Science, Tokyo University of Agriculture and Technology
書誌事項
- タイトル別名
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- Molecular Cloning and Characterization of an Enzyme Hydrolyzing p-Nitrophenyl .ALPHA.-D-Glucoside from Bacillus stearothermophilus SA0301
- Molecular Cloning and Characterization of an Enzyme Hydrolyzing p Nitrophenyl アルファ D Glucoside from Bacillus stearothermophilus SA0301
- Molecular Cloning and Characterization of an Enzyme Hydrolyzing<i>p</i>-Nitrophenyl α-<scp>D</scp>-Glucoside from<i>Bacillus stearothermophilus</i>SA0301
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抄録
Bacillus stearothermophilus SA0301 produces an extracellular oligo-1,6-glucosidase (bsO16G) that also hydrolyzes p-nitrophenyl α-D-glucoside (Tonozuka et al., J. Appl. Glycosci., 45, 397–400 (1998)). We cloned a gene for an enzyme hydrolyzing p-nitrophenyl α-D-glucoside, which was different from the one mentioned above, from B. stearothermophilus SA0301. The k0⁄Km values of bsO16G for isomaltotriose and isomaltose were 13.2 and 1.39 s−1·mM−1 respectively, while the newly cloned enzyme did not hydrolyze isomaltotriose, and the k0⁄Km value for isomaltose was 0.81 s−1·mM−1. The primary structure of the cloned enzyme more closely resembled those of trehalose-6-phosphate hydrolases than those of oligo-1,6-glucosidases, and the cloned enzyme hydrolyzed trehalose 6-phosphate. An open reading frame encoding a protein homologous to the trehalose-specific IIBC component of the phopshotransferase system was also found upstream of the gene for this enzyme.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 70 (2), 495-499, 2006
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390001206475787264
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- NII論文ID
- 10018534552
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- NII書誌ID
- AA10824164
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 7833568
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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