Stable and efficient immobilization of bi-enzymatic NADPH cofactor recycling system under consecutive microwave irradiation

PLoS One. 2020 Nov 18;15(11):e0242564. doi: 10.1371/journal.pone.0242564. eCollection 2020.

Abstract

One of the challenges in biocatalysis is the development of stable and efficient bi-enzymatic cascades for bio-redox reactions coupled to the recycling of soluble cofactors. Aldo-keto reductase (LEK) and glucose dehydrogenase (GDH) can be utilized as the NADPH recycling system for economic and efficient biocatalysis of (R)-4-chloro-3-hydroxybutanoate ((R)-CHBE), an important chiral pharmaceutical intermediate. The LEK and GDH was efficiently co-immobilized in mesocellular siliceous foams (MCFs) under microwave irradiation (CoLG-MIA). while they were also co-immobilized by entrapment in calcium alginate without MIA as control (CoLG-CA). The relative activity of CoLG-MIA was increased to 140% compared with that of free LEK. The CoLG-MIA exhibited a wider range of pH and temperature stabilities compared with other preparations. The thermal, storage and batch operational stabilities of microwave-assisted immobilized LEK-GDH were also improved. The NADPH recycling system exhibited the potential as the stable and efficient catalyst for the industrial preparation of (R)-CHBE.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aldo-Keto Reductases / metabolism*
  • Biocatalysis
  • Butyrates
  • Catalysis
  • Coenzymes / metabolism
  • Enzymes, Immobilized / metabolism
  • Glucose 1-Dehydrogenase / metabolism*
  • Hydroxybutyrates / chemical synthesis*
  • Hydroxybutyrates / chemistry
  • Microwaves
  • NADP / metabolism
  • Oxidation-Reduction
  • Temperature

Substances

  • 4-chloro-3-hydroxybutyric acid
  • Butyrates
  • Coenzymes
  • Enzymes, Immobilized
  • Hydroxybutyrates
  • NADP
  • Aldo-Keto Reductases
  • Glucose 1-Dehydrogenase

Grants and funding

This work was supported by the Natural Science Foundation of Zhejiang Province (LY21C050004, LQ15C020003, LQ19C020002 and LY15B060012), National Natural Science Foundation of China (21606062, 81803417), Key projects of National Natural Science Foundation of China (81730108) and the start-up research program from HZNU (2018QDL054).