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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Exp Biol Med (Maywood). 2015 Feb 7;240(3):361–374. doi: 10.1177/1535370214561586

Figure 8.

Figure 8

A catalytic scheme proposed for the reduction and oxidation of retinal(ol) by the SDR domain of WWOX. The arrows indicate the direction of flow of a pair of electrons (2e). Additionally, both the reductive and oxidative reactions are facilitated by virtue of the ability of Y293/K297 catalytic dyad, located within the RXXXK active site motif of WWOX, to mediate acid/base catalysis.