Journal article
Room-temperature solid phase ionic liquid (RTSPIL) coated Ω-transaminases: Development and application in organic solvents
Graz University of Technology1
Technical University of Denmark2
Department of Chemical and Biochemical Engineering, Technical University of Denmark3
PROSYS - Process and Systems Engineering Centre, Department of Chemical and Biochemical Engineering, Technical University of Denmark4
Solvionic SA5
KT Consortium, Department of Chemical and Biochemical Engineering, Technical University of Denmark6
ω-Transaminases ATA-40, ATA-47 and ATA-82P were coated with room-temperature solid phase ionic liquids (RTSPILs) by means of three methods, melt coating, precipitation coating, and co‐lyophilization, and showed increased stability in all of the five tested organic solvents. Co‐lyophilization and melt coating were further found to have an activating effect on the enzymes.
The former led to an up to 8‐fold increase of reaction rate and excellent recyclability. The coating also protected the cofactor pyridoxal 5′‐phosphate (PLP), which is essential for transaminase activity, from degradation, leading to a reaction proceeding for 27 days. With this method the sparingly water soluble substrate 5‐bromo-1-indenone could be processed enzymatically in cyclohexane as solvent.
| Language: | English |
|---|---|
| Year: | 2018 |
| Pages: | 11-19 |
| ISSN: | 24688231 |
| Types: | Journal article |
| DOI: | 10.1016/j.mcat.2018.03.012 |
| ORCIDs: | Gundersen, M. T. and Woodley, J. M. |
