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Increasing Thermostability by Introduction of Arginine and Proline onto Catalytic Domain of Family 9 Endoglucanase Z from Mesophilic Clostridium cellulovorans

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저자정보
(Korea University) (Korea University) (Korea University)
저널정보
한국생물공학회 한국생물공학회 학술대회 2013 춘계학술대회
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212 - 212 (1page)
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Increasing Thermostability by Introduction of Arginine and Proline onto Catalytic Domain of Family 9 Endoglucanase Z from Mesophilic Clostridium cellulovorans
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    초록·키워드

    Enhanced thermostability of endoglucanase is potentially useful for the bioconversion of cellulose including improved reaction rates and reduced risk of microbial contamination in industry. To increase the thermostability of endoglucanase Z (EngZ) from Clostridium cellulovorans. Sequences of several glycoside hydrolase family 9 endoglucanase from thermophilic and mesophilic bacterium was alignedmented. We performed site-directed mutagenesis from Lys94, Lys334 and Ser390 of EngZ to Arg94, Arg334 and Pro390. We measured thermostabilities of mutant K94R, K334R and S390P after exposure to 70 °C for 30 min as 39, 23 and 23 % residual ... 전체 초록 보기

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