Tailor-made β-glucosidase with increased activity at lower temperature without loss of stability and glucose tolerance
Florian Lenz, Paul Jannis Zurek, Martina Umlauf, Iasson E. P. Tozakidis, Joachim Jose
Abstract
We evolved the thermophilic β-glucosidase <italic>Cs</italic>BglA to 150% improvement of <italic>k</italic><sub>cat</sub>/<italic>K</italic><sub>M</sub> at 55 °C, exerting a specific activity of 504 U mg<sup>−1</sup> and a <italic>K</italic><sub>M</sub>-value of 37.1 mM, making it the bacterial β-glucosidase with highest activity known so far.
Topics & Concepts
ChemistryEnzyme Production and CharacterizationEnzyme Catalysis and ImmobilizationPancreatic function and diabetes