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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Anal Biochem. 2013 Aug 21;443(1):10.1016/j.ab.2013.08.013. doi: 10.1016/j.ab.2013.08.013

Figure 1.

Figure 1

Reduction of selenocystine catalyzed by TR. The ultimate source of reducing equivalents comes from NADPH. The reaction can be monitored by the decrease in absorbance at 340 nm.