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. 2009 Jan 23;284(4):2053–2063. doi: 10.1074/jbc.M807718200

FIGURE 3.

FIGURE 3.

Influence of pH on the kinetic parameters of SDHWT and its substituted forms. A, plot of Km(sulfite)(app) for SDHWT and sulfite speciation versus pH; B, plot of Km(sulfite)(app) versus pH for SDHR55M (×), SDHY236F (•), and SDHH57A (⋄); C, plot of kcat(app) versus pH for SDHWT; D, plot of kcat(app) versus pH for SDHR55M (×), SDHY236F (•), and SDHH57A (⋄); E, plot of kcat/Km(sulfite) versus pH SDHWT; F, plot of kcat/Km(sulfite) versus pH for SDHR55M (×), SDHY236F (•), and SDHH57A (⋄).