3HPL:
reference: Structural basis for the coupling between activation and inactivation gates in K(+) channels., Cuello LG, Jogini V, Cortes DM, Pan AC, Gagnon DG, Dalmas O, Cordero-Morales JF, Chakrapani S, Roux B, Perozo E, Nature. 2010 Jul 8;466(7303):272-5. PMID: 20613845

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