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. Author manuscript; available in PMC: 2015 Apr 9.
Published in final edited form as: Chem Rev. 2014 Mar 3;114(7):3659–3853. doi: 10.1021/cr400327t

Table 20.

Dioxygen 18O isotope effects with primary proteo- and deterio- substrate.

Enzyme (Substrate) 18(V/K)H
(kcat/Km(O2))		 18(V/K)D
(kcat/Km(O2))
PHM (hippuric acid)578 1.0173 1.0212
DβM (dopamine)587 1.0197 1.0256