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