... Norwegian Structural Biology Centre, Faculty of Science, University of Tromsø, Norway2 Department of Molecular Biotechnology, Faculty of Medicine, University of Tromsø, NorwayThe marine and estuarine ... Lonhienne et al. [37]. Activation energy, Ea,was extracted from the slope of the linear regression curveobtained from an Arrhenius plot of 1 ⁄ T versus lnkcat.Stability measurementsDSC measurements ... measurementsFixed amounts of enzyme were incubated at seven differentsubstrate concentrations ranging from 23 to 1470 nm at 5,15, 25, 30 and 37 °C in a total reaction volume of 100 lL.The amounts of VsEndA...