The molecule is an omega-carboxyacyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the least hindered carboxy group of mesaconic acid. It derives from a mesaconic acid. It is a conjugate acid of a 3-methylfumaryl-CoA(5-).
(E)-4-[2-[3-[[(2R)-4-[[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-3-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl]oxy-2-hydroxy-3,3-dimethylbutanoyl]amino]propanoylamino]ethylsulfanyl]-2-methyl-4-oxobut-2-enoic acid