Luciferase

[Kyle Legate]

Han wrote:
> 
> Making a cell lysate has the "problem" of mixing all cellular 
> compartments, both those with ATP and those with nucleotidases and 
> phosphatases.  Therefore, again time is of the essence.  The luciferase 
> has to see the ATP before the other metabolizing enzymes, AND the 
> luciferase signal has to be recorded before either luciferase or other 
> enzymes have consumed all the ATP.
> 
> 
It sounds like using luciferase to measure ATP production is a little 
problematic. How about coupling it to a more stable, colourimetric 
reaction? It might be less sensitive, but more reproducible.