The molecule is a 2,3-trans-enoyl CoA(4-) arising from deprotonation of the phosphate and diphosphate functions of trans-2-nonenoyl-CoA; major species at pH 7.3. It is a conjugate base of a trans-2-nonenoyl-CoA.
[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-2-[[[[(3R)-3-hydroxy-2,2-dimethyl-4-[[3-[2-[(E)-non-2-enoyl]sulfanylethylamino]-3-oxopropyl]amino]-4-oxobutoxy]-oxidophosphoryl]oxy-oxidophosphoryl]oxymethyl]oxolan-3-yl] phosphate