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. Author manuscript; available in PMC: 2011 Mar 9.
Published in final edited form as: Biochemistry. 2010 Mar 9;49(9):2075–2085. doi: 10.1021/bi902222s

FIGURE 5.

FIGURE 5

Dithionite titrations of wild type, CIS and HRR-Erv forms of TbQSOX. WT TbQSOX in 50 mM phosphate buffer, pH 7.5, containing 1 mM EDTA, was made anaerobic, and titrated at 25 °C with a standardized solution of sodium dithionite yielding curves 1–7. The inset plots the reduction of the oxidase as a function of electron equivalents added per flavin (■) together with comparable titrations with CIS (○) and HRR-Erv (□) proteins.