turnover number

(redirected from Catalytic turnover number)
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turn·o·ver num·ber (kcat),

the number of substrate molecules converted into product in an enzyme-catalyzed reaction under saturating conditions per unit time per unit quantity of enzyme; for example, kcat = Vmax/[Etotal].
Farlex Partner Medical Dictionary © Farlex 2012

turn·o·ver num·ber

(tŭrn'ō-vĕr nŭm'bĕr)
The number of substrate molecules converted into product in an enzyme-catalyzed reaction under saturating conditions per unit time per unit quantity of enzyme; e.g., kcat = Vmax/[Etotal].
Medical Dictionary for the Health Professions and Nursing © Farlex 2012