3ZJZ:
reference: Role of the C-terminal domain in the structure and function of tetrameric sodium channels., Bagneris C, Decaen PG, Hall BA, Naylor CE, Clapham DE, Kay CW, Wallace BA, Nat Commun. 2013 Sep 20;4:2465. doi: 10.1038/ncomms3465. PMID: 24051986

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