6BWJ:
reference: Conformational plasticity in the selectivity filter of the TRPV2 ion channel., Zubcevic L, Le S, Yang H, Lee SY, Nat Struct Mol Biol. 2018 May;25(5):405-415. doi: 10.1038/s41594-018-0059-z. Epub, 2018 Apr 30. PMID: 29728656

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