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. Author manuscript; available in PMC: 2014 Feb 27.
Published in final edited form as: Biochemistry. 2013 Feb 6;52(7):1179–1191. doi: 10.1021/bi3013609

Scheme 1.

Scheme 1

Kinetic mechanism for random-ordered binding of substrate and O2. The rate constants k5 and k4′ refer to the C–H bond cleavage step and release of bound tyramine, respectively. The rate constant k7 is a lumped constant that contains the rate constant for enzyme reduction/recycling by ascorbate, the loss of product and long-range ET, kET. E represents enzyme that is reduced at Cu, whereas E′ is oxidized.