Adenosine triphosphate (ATP) Upon hydrolysis within a cell, ATP gives rise to adenosine diphosphate and adenosine monophosphate with the liberation of energy (AG is about – 12 kcal/mol).
Faraday constant F Has a value of 96,485 coulombs per mole.
Guanosine 3 ,5 -cyclic monophosphate (cGMP) Is converted to 5′ guanosine monophosphate by an enzyme, cGMP phosphodiesterase.
Universal gas constant R Has a value of 8.314 joules K-1 mol-1 (K is degrees Kelvin).