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. Author manuscript; available in PMC: 2009 Apr 2.
Published in final edited form as: Biochemistry. 2007 Jan 23;46(3):871–882. doi: 10.1021/bi061980o

Table 3.

pH Dependence of Primary Deuterium Kinetic Isotope Effect for SDH.

DV2 D(V2/KLys)
pH 5.6 1.20 ± 0.07 1.66 ± 0.12
pH 6.1 1.44 ± 0.13 1.76 ± 0.10
pH 7.1 1.45 ± 0.07 1.56 ± 0.05
pH 7.9 1.3 ± 0.05 1.20 ± 0.08
pH 8.4 1.16 ± 0.03 1.03 ± 0.04