期刊
JOURNAL OF FLUORINE CHEMISTRY
卷 247, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jfluchem.2021.109804
关键词
2-Oxoglutarate / alpha-ketoglutarate dependent oxygenase; Pyridine-2,4-dicarboxylic acid / 2,4-PDCA; JmjC lysine demethylase / KDM; Aspartate/asparagine-beta-hydroxylase / AspH / BAH / HAAH; Ribosomal oxygenase 2 / RIOX2 / Mina53; Fluorinated hydroxylase inhibitor
资金
- Wellcome Trust [106244/Z/14/Z]
- Cancer Research UK [C8717/A18245]
- Biotechnology and Biological Sciences Research Council [BB/J003018/1, BB/R000344/1]
- Deutsche Forschungsgemeinschaft [BR 5486/2-1]
- JSPS [2020060219]
- Diamond Light Source
- BBSRC [BB/R000344/1, BB/J003018/1] Funding Source: UKRI
The synthesis of F- and CF(3-)substituted derivatives of the broad-spectrum 2OG oxygenase inhibitor pyridine-2,4-dicarboxylate (2,4-PDCA) was reported, showing that the introduction of F- or CF3-substituent at the C5 position can substantially increase selectivity for AspH over KDM4E. Crystallographic studies provided insights into the structural basis of this observation, demonstrating how a small change in a 2OG analogue can have a significant impact on 2OG oxygenase inhibition efficacy.
2-Oxoglutarate (2OG) oxygenases have important roles in human biology and are validated medicinal chemistry targets. Improving the selectivity profile of broad-spectrum 2OG oxygenase inhibitors may help enable the identification of selective inhibitors for use in functional assignment work. We report the synthesis of F- and CF(3-)substituted derivatives of the broad-spectrum 2OG oxygenase inhibitor pyridine-2,4-dicarboxylate (2,4-PDCA). Their inhibition selectivity profile against selected functionally distinct human 2OG oxygenases was determined using mass spectrometry-based assays. F-substituted 2,4-PDCA derivatives efficiently inhibit the 2OG oxygenases aspartate/asparagine-beta-hydroxylase (AspH) and the JmjC lysine-specific N-epsilon-demethylase 4E (KDM4E); The F- and CF3-substituted 2,4-PDCA derivatives were all less efficient inhibitors of the tested 2OG oxygenases than 2,4-PDCA itself, except for the C5 F-substituted 2,4-PDCA derivative which inhibited AspH with a similar efficiency as 2,4-PDCA. Notably, the introduction of a F- or CF3-substituent at the C5 position of 2,4-PDCA results in a substantial increase in selectivity for AspH over KDM4E compared to 2,4-PDCA. Crystallographic studies inform on the structural basis of our observations, which exemplifies how a small change on a 2OG analogue can make a substantial difference in the potency of 2OG oxygenase inhibition.
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