How do you calculate free magnesium in the prescence of ATP. Is it as simple as subtraction the ATP concentration from the magnesium concentration?
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ascacioc
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Posted 04 September 2012 - 05:51 AM
Not it is not. There is an equilibrium, and this does not imply that all the ATP has one Mg2+ bound to it. But if [Mg2+] >> [ATP], yours is a good approximation.
