N6-甲基-ATP 、
Guanosine 5'-triphosphate 在
human cyclic GMP−AMP synthase 、 magnesium chloride 作用下,
以
aq. buffer 为溶剂,
反应 16.0h,
生成 2-amino-9-{(5R,7R,8R,12aR,14R,15R,15aS,16R)-2,10,15,16-tetrahydroxy-14-[6-(methylamino)-9H-purin-9-yl]-2,10-dioxidooctahydro-12H-5,8-methanofuro[3,2-l][1,3,6,9,11,2,10]pentaoxadiphosphacyclotetradecin-7-yl}-1,9-dihydro-6H-purin-6-one