Two novel extracellular cholesterol oxidases designated CO1 and CO2, from Bacillus sp. SFF34, were purified 5.6 and 5.9-fold giving Mr values of 36 and 37 kDa. The optimum temperature for the activity was 60 °C (CO1) and 40 °C (CO2), and the optimum pH was 6.25 (CO1) and 6 (CO2) over 30 min reaction time. The apparent Km values for cholesterol were 6.76 mM (CO1) and 4.50 mM (CO2). Both the enzymes could oxidize 5α-cholestane, 5α-cholestane-3β-ol-7-one, coprostane, dihydrocholesterol, hecogenin, β-sitosterol and stigmasterol.
机构:
Department of Zoology and Biotechnology, HNB Garhwal University, Srinagar (Garhwal), UttarakhandDepartment of Zoology and Biotechnology, HNB Garhwal University, Srinagar (Garhwal), Uttarakhand
Jugran J.
Joshi G.K.
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Department of Zoology and Biotechnology, HNB Garhwal University, Srinagar (Garhwal), UttarakhandDepartment of Zoology and Biotechnology, HNB Garhwal University, Srinagar (Garhwal), Uttarakhand
Joshi G.K.
Bhatt J.P.
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Department of Zoology and Biotechnology, HNB Garhwal University, Srinagar (Garhwal), UttarakhandDepartment of Zoology and Biotechnology, HNB Garhwal University, Srinagar (Garhwal), Uttarakhand
Bhatt J.P.
Shanker A.
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Department of Biosciences and Biotechnology, Banasthali Vidyapith, Vanasthali, RajasthanDepartment of Zoology and Biotechnology, HNB Garhwal University, Srinagar (Garhwal), Uttarakhand
机构:
ARS, Crop Bioprotect Res Unit, Natl Ctr Agr Utilizat Res, USDA, Peoria, IL 61604 USAARS, Crop Bioprotect Res Unit, Natl Ctr Agr Utilizat Res, USDA, Peoria, IL 61604 USA
Dunlap, Christopher A.
Kwon, Soon-Wo
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Natl Acad Agr Sci, Rural Dev Adm, Agr Microbiol Div, Korean Agr Culture Collect, Wanju Gun, Jeollabuk Do, South KoreaARS, Crop Bioprotect Res Unit, Natl Ctr Agr Utilizat Res, USDA, Peoria, IL 61604 USA
Kwon, Soon-Wo
Rooney, Alejandro P.
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ARS, Crop Bioprotect Res Unit, Natl Ctr Agr Utilizat Res, USDA, Peoria, IL 61604 USAARS, Crop Bioprotect Res Unit, Natl Ctr Agr Utilizat Res, USDA, Peoria, IL 61604 USA
Rooney, Alejandro P.
Kim, Soo-Jin
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ARS, Crop Bioprotect Res Unit, Natl Ctr Agr Utilizat Res, USDA, Peoria, IL 61604 USA
Natl Acad Agr Sci, Rural Dev Adm, Agr Microbiol Div, Korean Agr Culture Collect, Wanju Gun, Jeollabuk Do, South KoreaARS, Crop Bioprotect Res Unit, Natl Ctr Agr Utilizat Res, USDA, Peoria, IL 61604 USA
机构:Chinese Academy of Sciences,National Engineering Laboratory for Industrial Enzymes and Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology
Zhanping Zhou
Shuangzhi Zhao
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机构:Chinese Academy of Sciences,National Engineering Laboratory for Industrial Enzymes and Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology
Shuangzhi Zhao
Shouquan Wang
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机构:Chinese Academy of Sciences,National Engineering Laboratory for Industrial Enzymes and Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology
Shouquan Wang
Xiaoman Li
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机构:Chinese Academy of Sciences,National Engineering Laboratory for Industrial Enzymes and Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology
Xiaoman Li
Li Su
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机构:Chinese Academy of Sciences,National Engineering Laboratory for Industrial Enzymes and Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology
Li Su
Yanhe Ma
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机构:Chinese Academy of Sciences,National Engineering Laboratory for Industrial Enzymes and Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology
Yanhe Ma
Jian Li
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机构:Chinese Academy of Sciences,National Engineering Laboratory for Industrial Enzymes and Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology
Jian Li
Jiangning Song
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机构:Chinese Academy of Sciences,National Engineering Laboratory for Industrial Enzymes and Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology
Jiangning Song
Applied Biochemistry and Biotechnology,
2015,
175
: 3271
-
3286
机构:
Pukyong Natl Univ, Dept Biotechnol, Busan 48513, South KoreaKorea Res Inst Biosci & Biotechnol, Ind Biomat Res Ctr, Daejeon 34141, South Korea
Hasan, Md Tawheed
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Lee, Bong-Joo
Kim, Kang Woong
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机构:
Natl Inst Fisheries Sci, Aquafeed Res Ctr, Pohang 37517, South KoreaKorea Res Inst Biosci & Biotechnol, Ind Biomat Res Ctr, Daejeon 34141, South Korea
Kim, Kang Woong
Lim, Sang Gu
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Natl Inst Fisheries Sci, Aquafeed Res Ctr, Pohang 37517, South KoreaKorea Res Inst Biosci & Biotechnol, Ind Biomat Res Ctr, Daejeon 34141, South Korea
Lim, Sang Gu
Han, Hyon-Sob
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机构:
Kunsan Natl Univ, Fac Marine Appl Biosci, Kunsan 54150, South KoreaKorea Res Inst Biosci & Biotechnol, Ind Biomat Res Ctr, Daejeon 34141, South Korea