The molecule is an adenosine bisphosphate having monophosphate groups at the 2'- and 5'-positions and a sulfo group attached to the phosphate at position 5'. It derives from an adenosine 2',5'-bisphosphate and a 5'-adenylyl sulfate.
[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3-hydroxy-4-phosphonooxyoxolan-2-yl]methyl sulfo hydrogen phosphate