Tags: Chemical Compound, Chemical Substance.
33′-Diiodothyronine also known as T2 is a metabolite of thyroid hormone.It is formed from the breakdown of triiodothyronine. It is an allosteric regulator of the cytochrome c oxidase the complex IV of the electron transport chain. It increases its activity by preventing the interaction of adenosine triphosphate (ATP) as an allosteric inhibitor.Levels can be affected in certain disease states.