2-Oxoglutarate derivatives can selectively enhance or inhibit the activity of human oxygenases

Yu Nakashima, Lennart Brewitz, Anthony Tumber, Eidarus Salah and Christopher J. Schofield ()
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Yu Nakashima: University of Oxford
Lennart Brewitz: University of Oxford
Anthony Tumber: University of Oxford
Eidarus Salah: University of Oxford
Christopher J. Schofield: University of Oxford

Nature Communications, 2021, vol. 12, issue 1, 1-17

Abstract: Abstract 2-Oxoglutarate (2OG) oxygenases are validated agrochemical and human drug targets. The potential for modulating their activity with 2OG derivatives has not been explored, possibly due to concerns regarding selectivity. We report proof-of-principle studies demonstrating selective enhancement or inhibition of 2OG oxygenase activity by 2-oxo acids. The human 2OG oxygenases studied, factor inhibiting hypoxia-inducible transcription factor HIF-α (FIH) and aspartate/asparagine-β-hydroxylase (AspH), catalyze C3 hydroxylations of Asp/Asn-residues. Of 35 tested 2OG derivatives, 10 enhance and 17 inhibit FIH activity. Comparison with results for AspH reveals that 2OG derivatives selectively enhance or inhibit FIH or AspH. Comparison of FIH structures complexed with 2OG derivatives to those for AspH provides insight into the basis of the observed selectivity. 2-Oxo acid derivatives have potential as drugs, for use in biomimetic catalysis, and in functional studies. The results suggest that the in vivo activity of 2OG oxygenases may be regulated by natural 2-oxo acids other than 2OG.

Date: 2021
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DOI: 10.1038/s41467-021-26673-2

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