http://home.wxs.nl/~pvsanten/mmp/mmptot.gif or alternatively http://home.wxs.nl/~pvsanten/mmp/mmp2.htm will give you a main metabolic chart by Pieter van Stanten, did not have time to start counting all of them myself. Hope it helps, Good luck
Thanks! I actually found a publication by JB Kirkland (2011) that states that "the NAD/NADH redox couple participate in around 400 Rns, while that of NADP/NADPH participates in around 30 more" ("Present knowledge in nutrition" 10 ed. 2012).