The molecule is a 5'-phospho-(3'->5')-dinucleotide composed from two AMP residues. It has a role as a Mycoplasma genitalium metabolite. It is a conjugate acid of a pApA(3-).
[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl [(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-2-(phosphonooxymethyl)oxolan-3-yl] hydrogen phosphate