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The enzymatic family of heme oxygenase (HO) is accountable for heme breakdown. Among the two isoforms characterized to date, HO-2 is poorly investigated due to the lack of potent HO-2… Click to show full abstract
The enzymatic family of heme oxygenase (HO) is accountable for heme breakdown. Among the two isoforms characterized to date, HO-2 is poorly investigated due to the lack of potent HO-2 chemical modulators and the greater attentiveness towards HO-1 isoform. In the present paper, we report the rational design and synthesis of HO-2 inhibitors achieved by modulating the volume of known HO-1 inhibitors. The inhibition preference has been moved from HO-1 to HO-2 by merely increasing the volume of the substituent in the western region of the inhibitors. Docking studies demonstrated that new derivatives soak differently in the two binding pockets, probably due to the presence of a Tyr187 residue in HO-2. These findings could be useful for the design of new selective HO-2 compounds.
Journal Title: Bioorganic chemistry
Year Published: 2020
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