2,3-diphosphoglyceric acid


Also found in: Encyclopedia, Wikipedia.

2,3-diphosphoglyceric acid (DPG)

[dīfos′fōgliser′ik]
a substance in the erythrocyte that affects the affinity of hemoglobin for oxygen. It is a chief end product of glucose metabolism and a link in the biochemical feedback control system that regulates the release of oxygen to the tissues.