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. Author manuscript; available in PMC: 2011 Mar 21.
Published in final edited form as: J Mol Biol. 2009 Oct 23;395(4):844–859. doi: 10.1016/j.jmb.2009.10.042

Figure 1. Calculated pKa and sulfur atom exposure of known NO-Cys sites.

Figure 1

The model index number (X-axis) follows the order of proteins listed in the text and detailed in Table S1, given as Supplementary Information. Sulfur atom exposure (related numerical values in the Y-axis, in Å2) is shown by red circles and pKa values (in pK units) by blue circles. In the right panel, the calculated average pKa for NO-Cys (with standard deviation) is compared with those of catalytic Cys in thiol oxidoreductases (ThiolOxR) and other enzymes containing catalytic Cys (Other OxR).