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. 2021 Dec 18;298(1):101513. doi: 10.1016/j.jbc.2021.101513

Figure 5.

Figure 5

Temperature dependence of formate/formic acid transport. By FocA wildtype (A) and two mutants with single-point mutations in the periplasmic constriction (B and C) using yeast cells (W303IA Δjen1 Δady2). D, Arrhenius activation energies were derived from the slopes of the graphs. Error bars denote SEM from three independent experiments, each with triplicate data points. FocA, FNT-type formate transporter from Escherichia coli.