An Organic Solvent Resistant Tyrosinase from<i>Streptomyces</i>sp. REN-21: Purification and Characterization
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- ITO Masaaki
- Central Laboratory, Rengo Co., Ltd.
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- ODA Kohei
- Department of Applied Biology, Faculty of Textile Science, Kyoto Institute of Technology
書誌事項
- タイトル別名
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- An Organic Solvent Resistant Tyrosinase from Streptomyces sp. REN-21: Purification and Characterization.
- Organic Solvent Resistant Tyrosinase from Streptomyces sp REN 21 Purification and Characterization
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抄録
We found a tyrosinase, which has high activity in the presence of organic solvents, in the culture filtrate of Streptomyces sp. REN-21. The organic solvent resistant tyrosinase (OSRT) was purified from the culture filtrate by three column chromatographies. About 1.2 mg of purified OSRT was obtained from 5.6 liters of the culture filtrate with a yield of 26.0%. The purified enzyme had a single polypeptide chain with a molecular mass of about 32,000 Da. The optimum pH and temperature of OSRT were pH 7.0 and 35°C using L-β-(3,4-dihydroxyphenyl)alanine (L-DOPA) as substrate. OSRT showed stereospecificity toward L-, DL-, and D-enantiomers of DOPA or tyrosine. OSRT had 44% of the activity of the control even in the presence of 50% ethanol, while a mushroom tyrosinase showed only 6% activity under the same conditions. Moreover, OSRT retained its original activity even after 20 h of incubation at 30°C in the presence of 30% ethanol.<br>
収録刊行物
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- Ｂｉｏｓｃｉｅｎｃｅ， Ｂｉｏｔｅｃｈｎｏｌｏｇｙ， ａｎｄ Ｂｉｏｃｈｅｍｉｓｔｒｙ
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Ｂｉｏｓｃｉｅｎｃｅ， Ｂｉｏｔｅｃｈｎｏｌｏｇｙ， ａｎｄ Ｂｉｏｃｈｅｍｉｓｔｒｙ 64 (2), 261-267, 2000
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
- 1390001206473241344
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- NII論文ID
- 110002679903
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- NII書誌ID
- AA10824164
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- COI
- 1:CAS:528:DC%2BD3cXhvVCjtr8%3D
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 5296331
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- PubMed
- 10737179
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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
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
