期刊
BIOTECHNOLOGY ADVANCES
卷 59, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biotechadv.2022.107985
关键词
Mycobacterium smegmatis acyltransferase (MsAcT); Perhydrolysis reaction; Condensation reaction; Flow chemistry; Enzyme engineering; Enzyme immobilization; Green and sustainable chemistry
资金
- Cariplo Foundation [CAR_RIC21DROMA_01]
This review article summarizes the extraordinary activity of the acyltransferase from Mycobacterium smegmatis (MsAcT) for various reactions and its ability to produce interesting compounds. The article focuses on the mechanism, engineering, and different process types (batch and flow) using MsAct as either free or immobilized form. It also presents the author's personal view on the unexplored reaction possibilities using MsAcT as a glimpse into the future of the topic.
After several decades during which proteases and after lipases took the biotransformation world scene as the predominant biocatalysts, a new, promising enzyme was discovered and characterized. The acyltransferase from Mycobacterium smegmatis (MsAcT) has in fact an extraordinary activity for a wide array of reactions, such as trans-esterification, amidation, trans-amidation and perhydrolysis, both in water and solvent media, giving rise to a series of interesting compounds including APIs (i.e., active pharmaceutical ingredients), natural flavors and fragrances, monomers for polymer synthesis, and peracids employed as disinfectants or antimicrobials. Although the most used acylating agent has been ethyl acetate (EtOAc), depending on the reaction type also acetamide, dimethyl carbonate and a variety of other esters, have been reported. The best yields were reached using very reactive donors such as vinyl or isopropenyl esters (almost complete conversion in rapid reaction times and water media for condensation reactions). In this review article the most innovative scientific advances on MsAcT, its mechanism and engineering are summarized, putting a particular focus on the different kind of processes (batch and flow) that it is possible to carry out using this enzyme as free or immobilized form. In conclusion, the author personal view on the unexplored reaction possibilities using MsAcT is reported as a window on the future of the topic.
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