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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Methods Mol Biol. 2018;1705:45–72. doi: 10.1007/978-1-4939-7465-8_3

Figure 1.

Figure 1

Figure 1

Structures of ligands described in the text for the: A) AR and B) P2YR families. The native agonists are adenosine (1) and inosine (2), to a lesser extent, for ARs and ADP (26), ATP (27), UDP-glucose (30), and UDP and UTP (not shown) for the P2YRs.