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Figure 5
SF of the NaK ion channel. For clarity, only the two polypeptide chains found within the dimer of our structure are shown. Potassium ions are shown as purple spheres, with sodium ions shown as cyan spheres and water molecules are shown as red spheres. A 2Fo−Fc electron density map contoured at 1.0σ is shown as a blue mesh.

IUCrJ
Volume 8| Part 3| May 2021| Pages 421-430
ISSN: 2052-2525
https://doi.org/10.1107/S205225252100213X