The molecule is an acyl-CoA oxoanion that is the pentaanion of trans-2-octenedioyl-CoA, arising from deprotonation of phosphate, diphosphate and carboxylic acid functions; major species at pH 7.3. It is a conjugate base of a trans-2-octenedioyl-CoA.
(E)-8-[2-[3-[[(2R)-4-[[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-3-phosphonatooxyoxolan-2-yl]methoxy-oxidophosphoryl]oxy-oxidophosphoryl]oxy-2-hydroxy-3,3-dimethylbutanoyl]amino]propanoylamino]ethylsulfanyl]-8-oxooct-6-enoate