3-Hydroxy-3-Methylglutaryl-Coa Lyase Deficiency, also known as hydroxymethylglutaric aciduria, is related to 3-hydroxy-3-methylglutaryl-coa synthase-2 deficiency and 3-hydroxy-3-methylglutaryl-coa synthase deficiency, and has symptoms including angina pectoris An important gene associated with 3-Hydroxy-3-Methylglutaryl-Coa Lyase Deficiency is HMGCL (3-Hydroxy-3-Methylglutaryl-CoA Lyase). Affiliated tissues include liver and cortex, and related phenotypes are hyperammonemia and metabolic acidosis