This document discusses several metabolic diseases and enzymes. Fabry's disease is caused by alpha galactosidase A deficiency and results in foam cells in the kidneys and extremities, fevers, and renal failure. Phenylketonuria is caused by a deficiency of phenylalanine hydroxylase. Pompe's disease is a lysosomal storage disease caused by a deficiency of alpha 1,4 glucosidase. Complete oxidation of pyruvate yields 4 NADH, FADH2, 3 CO2, and 1 GTP.