Protease-catalyzed esterification of amino acid in water-miscible ionic liquid.

Protease-catalyzed esterification of amino acid in water-miscible ionic liquid. Research Abstract Details 

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Protease-catalyzed esterification of amino acid in water-miscible ionic liquid. Abstract Text:

Hidetaka Noritomi,Sachiko Nishida,Satoru Kato,Hidetaka Noritomi,Sachiko Nishida,Satoru Kato,

The activity of two proteases in the esterification of N-acetyl-L-phenylalanine with ethanol was examined in the water-miscible ionic liquid, 1-ethyl-3-methylimidazolium trifluoromethanesulfonate ([emim][Tf]). The activity of subtilisin was not only improved 9-fold by changing from a water-miscible organic solvent, acetonitrile, to [emim][Tf], but also was about three times greater than that in a water-immiscible organic solvent, octane. Likewise, the activity of alpha-chymotrypsin in [emim][Tf] was more effectively enhanced compared with that in a water-miscible or a water-immiscible organic solvent. The water content in [emim][Tf] affected the activity of subtilisin.

Protease-catalyzed esterification of amino acid in water-miscible ionic liquid. Publishing Authors By Initials

H Noritomi,S Nishida,S Kato,H Noritomi,S Nishida,S Kato,

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Protease-catalyzed esterification of amino acid in water-miscible ionic liquid. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Biotechnology letters

VOLUME: 29

Page Numbers: 1509-12

Journal Abbreviation: Biotechnol. Lett.

ISSN: 0141-5492

DAY: 7

MONTH: 08

YEAR: 2007

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LANGUAGE: eng

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AFFILIATION: Division of Applied Chemistry, Tokyo Metropolitan University, Minami-Ohsawa, Hachioji, Tokyo, 192-0397, Japan. noritomi@ecomp.metro-u.ac.jp

Country: Netherlands

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MEDLINETA: Biotechnol Lett

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