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. Author manuscript; available in PMC: 2011 Nov 24.
Published in final edited form as: J Am Chem Soc. 2010 Nov 2;132(46):16393–16402. doi: 10.1021/ja1019194

Table 3.

Deuterium Kinetic Isotope Effects for N-Acetylglycine Oxidationa

Oxidizable Substrate
Parameter N-Acetylglycine [2H2]-N-Acetylglycine DKIE
VMAX (s−1) 28 ± 3.3 22 ± 1.3 1.3 ± 0.2
VMAX/KO2 (mM−1 s−1) 51 ± 7.0 19 ± 0.7 2.7 ± 0.4
KI,AG (mM) 17 ± 3.0 14 ± 0.7 1.2 ± 0.2
a

The deuterium isotope effects (DKIE) for each relevant kinetic parameter (± standard error) are included.