Fig. 5
From: Mycoplasma genitalium adhesin P110 binds sialic-acid human receptors
Binding of Potassium to P110. a Overall views of the potassium binding site (indicated by a rectangle) in the C-terminal domain of erP110. Detail of the potassium binding site in the presence (b) and in the absence (c) of potassium. Electron density corresponding to the potassium is shown with a sigma weighted (Fo–Fc) omit map at four sigma
