The molecule is a synthetic RNA fragment comprised of five adenosine, one guanosine, four uridine and three cytidine residues connected by 3'->5' phosphodiester linkages in the sequence U-G-G-G-A-A-G-A-C-A.
[(2R,3S,4R,5R)-3-[[(2R,3S,4R,5R)-3-[[(2R,3S,4R,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-3-[[(2R,3S,4R,5R)-3-[[(2R,3S,4R,5R)-3-[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3-[[(2R,3S,4R,5R)-3-[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3-[[(2R,3S,4R,5R)-3-[[(2R,3S,4R,5R)-3-[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3-[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(2,4-dioxopyrimidin-1-yl)-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(2,4-dioxopyrimidin-1-yl)-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(2,4-dioxopyrimidin-1-yl)-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-5-(6-aminopurin-9-yl)-4-hydroxyoxolan-2-yl]methyl [(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] hydrogen phosphate