3SPJ: Apo Inward Rectifier Potassium Channel Kir2.2 I223l Mutant
reference: Structural basis of PIP(2) activation of the classical inward rectifier K(+) channel Kir2.2., Hansen SB, Tao X, Mackinnon R, Nature. 2011 Aug 28. doi: 10.1038/nature10370. PMID: 21874019

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