6WEK:
reference: Mechanism of ligand activation of a eukaryotic cyclic nucleotide-gated channel., Zheng X, Fu Z, Su D, Zhang Y, Li M, Pan Y, Li H, Li S, Grassucci RA, Ren Z, Hu Z, Li X, Zhou M, Li G, Frank J, Yang J, Nat Struct Mol Biol. 2020 Jun 1. pii: 10.1038/s41594-020-0433-5. doi:, 10.1038/s41594-020-0433-5. PMID: 32483338

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