(= Michaelis constant)
A kinetic parameter used to characterize an enzyme; defined as the concentration of substrate that permits half-maximal rate of reaction. An analogous constant Ka is used to describe binding reactions, in which case it is the concentration at which half the receptors are occupied.

Dictionary of molecular biology. 2004.

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.