The molecule is a cyclic purine dinucleotide that is the 3',5'-cyclic dimer of AMP. It has a role as a Mycoplasma genitalium metabolite. It is a cyclic purine dinucleotide and an adenyl ribonucleotide. It is a conjugate acid of a cyclic di-AMP(2-).
(1S,6R,8R,9R,10S,15R,17R,18R)-8,17-bis(6-aminopurin-9-yl)-3,12-dihydroxy-3,12-dioxo-2,4,7,11,13,16-hexaoxa-3lambda5,12lambda5-diphosphatricyclo[13.3.0.06,10]octadecane-9,18-diol