The main control over ATP production is allosteric inhibition, by ATP, of the enzyme that facilitates the formation of :
1. Glocose from glycogen
2. Fructose 1,6 biphosphate from Fructose 6 phosphate
3. Acetyl coenzyme A from pyruvic acid
4. Citric acid from Acetyl coenzyme A and oxaloacetic acid.