User:Nfebrina/Methylcrotonyl-CoA

Lead
It is the precursor to the fourth step in the metabolic pathway of leucine

It is found in mitochondria, where "It is formed from isovaleryl-coenzyme A by isovaleryl coenzyme A dehydrogenase." It then reacts with CO2 to yield 3-Methylcrotonyl-CoA carboxylase.