In the Cori cycle, this compound is created in the liver from lactate.
Over 90% of patients with primary biliary cirrhosis have antibodies against an enzyme that breaks
 down this compound. In the Cori cycle, this compound is created in the liver from lactate. One enzyme that
 breaks down this compound contains E1, E2, and E3 subunits and uses lipoic acid and thiamine
 pyrophosphate as cofactors. Transamination of this compound produces alanine. A namesake carboxylase
 converts this compound to oxaloacetate in gluconeogenesis, and a namesake dehydrogenase converts it to
 Acetyl CoA for entrance into the Krebs Cycle. For 10 points, name this three-carbon compound, two
 molecules of which are the final products of glycolysis.
Over 90% of patients with primary biliary cirrhosis have antibodies against an enzyme that breaks
 down this compound.
{pyruvate} [or {pyruvic} acid]