1SY9:
reference: Structure of calmodulin complexed with an olfactory CNG channel fragment and role of the central linker: residual dipolar couplings to evaluate calmodulin binding modes outside the kinase family., Contessa GM, Orsale M, Melino S, Torre V, Paci M, Desideri A, Cicero DO, J Biomol NMR. 2005 Mar;31(3):185-99. PMID: 15803393

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