 These enzymes are inhibited by acetyl-CoA and ADP.Membrane bound oxaloacetate decarboxylase was the first enzyme of the Na+ transport decarboxylase family demonstrated to act as primary Na+ pump.This enzyme family includes methylmalonyl-CoA decarboxylase, malonate decarboxylase, and glutanoyl-CoA decarboxylase, all of which are found exclusively in anaerobic bacteria.