6M84:
reference: Atomistic basis of opening and conduction in mammalian inward rectifier potassium (Kir2.2) channels., Zangerl-Plessl EM, Lee SJ, Maksaev G, Bernsteiner H, Ren F, Yuan P, Stary-Weinzinger A, Nichols CG, J Gen Physiol. 2020 Jan 6;152(1). pii: jgp.201912422. doi: 10.1085/jgp.201912422. PMID: 31744859

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