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Fig. 4 | BMC Plant Biology

Fig. 4

From: An extracellular cation coordination site influences ion conduction of OsHKT2;2

Fig. 4

K504 can form salt bridges with D75 and D501. a Representation of potential salt bridges between K504 and D75 and D501. The median oxygen-nitrogen distance is stated. b Exemplary plot of oxygen-nitrogen distances throughout one complete simulation. The formation of salt bridges is considered possible when oxygen-nitrogen distances are below the threshold of 3.2 Å. The red line in each plot indicates this threshold. c Distance distribution of indicated oxygen-nitrogen distances over all three simulations. The median is stated in each box plot. Outliers are not drawn. For each of the two D501 oxygen atoms only those time spans where the respective oxygen atom was orientated towards K504’s nitrogen atom were used

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