5-Iodotubercidin

5-IOdotubercidin (NSC 113939), an ATP analogue, is a potent inhibitor of adenosine kinase with an IC50 value of 26 nM. 5-IOdotubercidin (NSC 113939) initiates glycogen synthesis in isolated hepatocytes by activating phosphorylase and glycogen synthase. 5-IOdotubercidin (NSC 113939) also inhibits CK1, insulin receptor tyrosine kinase, phosphorylase kinase, PKA, CK2, PKC, and Haspin inhibitors.