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Figure 2 | BMC Evolutionary Biology

Figure 2

From: Geographic distributions of Idh-1 alleles in a cricket are linked to differential enzyme kinetic performance across thermal environments

Figure 2

Example enzyme kinetics data. Experimental Idh-1 kinetic data using homogenates from 1 cricket (2 legs; solid diamonds) and 2 crickets (4 legs; open squares). (A) Initial reaction velocity as a function of substrate concentration, showing the expected hyperbolic relationship. Reaction velocity increases linearly until approaching the saturation point. (B) Lineweaver-Burk plot, the double-reciprocal method for calculating Km, the Michaelis constant, and Vmax, the maximum reaction velocity, from kinetic assay data.

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