Fig. 2

Distribution of robustness of HBs by bond’s charge. Histograms presenting distribution of WQB values in the set of HBs from Iridium DS, divided into salt bridges, neutral and mixed (ion-neutral) interactions

Distribution of robustness of HBs by bond’s charge. Histograms presenting distribution of WQB values in the set of HBs from Iridium DS, divided into salt bridges, neutral and mixed (ion-neutral) interactions