In the metabolic pathways, each of the reaction needs an enzyme(protein) in order to occur successfully. Is there any quantitative measure that can be associated to this enzyme? Like synthesis rate of enzyme, degradation rate, mRNA transcription rate, enzyme activity, amount of enzyme present per unit measure of protein in the cell and if there is rate of generation of the enzyme's product, the rate of production of this enzyme in the human body, etc? I wanted to know the list of features that can quantify enzyme activity in the cell.
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- Your question already answers a fundamental point: namely that there are several distinct quantitative measures that can be associated with enzymes (the list could also be extended, and you will discover more in biochemical textbooks...).
- If experimentally or theoretically accessible, one additional important quantity is the formation of product over time divided by biomass ( e.g.: Jacob et Monod 1961)