turnover number


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Related to turnover number: specific activity

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].

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].

turnover

the total of movement of an element or other body constituent in a given time, regardless of the gain or loss of the component.

iron turnover
much of the body's iron store is fixed in intracellular sites and is not available metabolically. The portion of the iron store that is available for mobilization into new sites is called the labile iron pool and may undergo a good deal of metabolic activity.
turnover number
References in periodicals archive ?
Toms doesn't worry about the turnover numbers because she's learned that's typical for Anchor Point, which is considered a resort town.
Her turnover numbers are high - she's coughed up the ball 159 times this season - but Canyons coach Greg Herrick pointed out that Price's assist-to-turnover ratio has improved dramatically since her abysmal start and attributes the high turnover numbers in part to his team's vaunted fast-break offense.
For near-term support of that "inherent-demand" thesis, we've got the continued strength of the housing turnover numbers, both new-build and resales, which increased approximately 2.