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. 2014 Dec 8;6(2):1433–1443. doi: 10.1039/c4sc03223c

Fig. 6. The mechanism proposed for migration of a proton from His229 to S3 in the RED state of the proximal cluster, with core [4Fe3S]3+. Numbers on the arrows are potential energy changes (kcal mol–1). Some atoms of the proximal cluster, and His229 in the last three intermediates, are not drawn.

Fig. 6