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Calculating free Magnesium


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#1 jerseysurfer66

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Posted 04 September 2012 - 05:41 AM

How do you calculate free magnesium in the prescence of ATP. Is it as simple as subtraction the ATP concentration from the magnesium concentration?

#2 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.




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