The molecule is an acyl-CoA oxoanion arising from deprotonation of phosphate and diphosphate functions as well as protonation of the amino group of 3-aminobutyryl-CoA; major species at pH 7.3. It is a conjugate base of a 3-aminobutyryl-CoA.
[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-2-[[[[(3R)-4-[[3-[2-(3-azaniumylbutanoylsulfanyl)ethylamino]-3-oxopropyl]amino]-3-hydroxy-2,2-dimethyl-4-oxobutoxy]-oxidophosphoryl]oxy-oxidophosphoryl]oxymethyl]-4-hydroxyoxolan-3-yl] phosphate