Improving enzymes by using them in organic solvents

AM Klibanov - nature, 2001 - nature.com
The technological utility of enzymes can be enhanced greatly by using them in organic
solvents rather than their natural aqueous reaction media. Studies over the past 15 years …

Why are enzymes less active in organic solvents than in water?

AM Klibanov - Trends in biotechnology, 1997 - cell.com
In order to exploit fully the biotechnological opportunities afforded by nonaqueous
enzymology, the issue of often drastically diminished enzymatic activity in organic solvents …

Lipase mediated synthesis of sugar fatty acid esters

AM Gumel, MSM Annuar, T Heidelberg, Y Chisti - Process Biochemistry, 2011 - Elsevier
This review is concerned with lipase catalyzed synthesis of sugar fatty acid esters in water
immiscible organic solvents. Sugar esters are widely used nonionic and nontoxic …

Enzyme hydration determines resistance in organic cosolvents

H Cui, L Zhang, L Eltoukhy, Q Jiang, SK Korkunç… - ACS …, 2020 - ACS Publications
Biocatalysis in organic solvents (OSs) has found various important applications, particularly
in organic synthesis and for the production of pharmaceuticals, flavors, and fragrances …

Less unfavorable salt bridges on the enzyme surface result in more organic cosolvent resistance

H Cui, L Eltoukhy, L Zhang, U Markel… - Angewandte Chemie …, 2021 - Wiley Online Library
Biocatalysis for the synthesis of fine chemicals is highly attractive but usually requires
organic (co‐) solvents (OSs). However, native enzymes often have low activity and …

How to engineer organic solvent resistant enzymes: Insights from combined molecular dynamics and directed evolution study

H Cui, THJ Stadtmüller, Q Jiang, KE Jaeger… - …, 2020 - Wiley Online Library
Expanding synthetic capabilities to routinely employ enzymes in organic solvents (OSs) is a
dream for protein engineers and synthetic chemists. Despite significant advances in the field …

Lipase-catalyzed enantioselective esterification of ibuprofen in organic solvents under controlled water activity

A Ducret, M Trani, R Lortie - Enzyme and Microbial Technology, 1998 - Elsevier
The enantioselective esterification of ibuprofen (2-(4-iso-butylphenyl) propionic acid),
catalyzed by Candida antarctica lipase (type B), was performed in various organic solvents …

The mechanistic dissection of the plunge in enzymatic activity upon transition from water to anhydrous solvents

JL Schmitke, CR Wescott… - Journal of the American …, 1996 - ACS Publications
Subtilisin Carlsberg dissolved in aqueous solution is several orders of magnitude more
active than the enzyme suspended in anhydrous acetonitrile. In order to ascertain why, we …

Polar substitutions on the surface of a lipase substantially improve tolerance in organic solvents

H Cui, M Vedder, L Zhang, KE Jaeger… - …, 2022 - Wiley Online Library
Biocatalysis in organic solvents (OSs) enables more efficient routes to the synthesis of
various valuable chemicals. However, OSs often reduce enzymatic activity, which limits the …

Evolving robust and interpretable enzymes for the bioethanol industry

J Qiao, Y Sheng, M Wang, A Li, X Li… - Angewandte …, 2023 - Wiley Online Library
Obtaining a robust and applicable enzyme for bioethanol production is a dream for
biorefinery engineers. Herein, we describe a general method to evolve an all‐round and …