Enzyme efficiency (kcat/KM)

Definition:

Enzyme efficiency (kcat/KM) is the second-order rate constant that determines the reaction rate when the enzyme is mostly free at a very low concentration of the substrate.

References:

[1]. Eisenthal R, et al. Catalytic efficiency and kcat/KM: a useful comparator? Trends Biotechnol. 2007 Jun;25(6):247-9. doi: 10.1016/j.tibtech.2007.03.010. Epub 2007 Apr 12. [Content Brief]

Biomedical Dictionary

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