Anemia due to disorders of glycolytic enzymes is a group of red cell disorders caused by inherited abnormality of glycolytic enzymes. Neurological phenotypes have been found to be associated only with specific mutations affecting TPI, PGK and, in rare cases, GPI. The symptoms of TPI deficiency are generally much more severe than those of any other glycolytic enzyme deficiency.
A single amino acid substitution (157 Gly----Val) in a phosphoglycerate kinase variant (PGK Shizuoka) associated with chronic hemolysis and myoglobinuria.