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Connectivity of the water molecules at various distances around lipid oxygens. Cluster-size distribution for water molecules within 0.35 and 0.47 nm from a lipid hydrogen-bond acceptor, corresponding to first solvation shell and 1.5 water solvation shell, respectively. The nmax is the total number of water molecules within the considered water shell. (Inset) Schematic representation of the water shells considered in the cluster analysis.
