2-Oxoglutarate-dependent oxygenases

…, R Chowdhury, RJ Hopkinson… - Annual review of …, 2018 - annualreviews.org
2-Oxoglutarate (2OG)-dependent oxygenases (2OGXs) catalyze a remarkably diverse
range of oxidative reactions. In animals, these comprise hydroxylations and N-demethylations …

[HTML][HTML] Arginine demethylation is catalysed by a subset of JmjC histone lysine demethylases

LJ Walport, RJ Hopkinson, R Chowdhury… - Nature …, 2016 - nature.com
While the oxygen-dependent reversal of lysine N ɛ -methylation is well established, the
existence of bona fide N ω -methylarginine demethylases (RDMs) is controversial. Lysine …

[HTML][HTML] Human UTY (KDM6C) is a male-specific Nϵ-methyl lysyl demethylase

LJ Walport, RJ Hopkinson, M Vollmar… - Journal of Biological …, 2014 - ASBMB
The Jumonji C lysine demethylases (KDMs) are 2-oxoglutarate- and Fe(II)-dependent
oxygenases. KDM6A (UTX) and KDM6B (JMJD3) are KDM6 subfamily members that catalyze …

[HTML][HTML] Targeting histone lysine demethylases—progress, challenges, and the future

…, R Chowdhury, CJ Schofield, RJ Hopkinson - … et Biophysica Acta (BBA …, 2014 - Elsevier
N-Methylation of lysine and arginine residues has emerged as a major mechanism of
transcriptional regulation in eukaryotes. In humans, N ε -methyllysine residue demethylation is …

Mechanisms of human histone and nucleic acid demethylases

LJ Walport, RJ Hopkinson, CJ Schofield - Current opinion in chemical …, 2012 - Elsevier
The discovery that protein and nucleic acid demethylation is common opens up the
possibility of ‘methylation cycles’ of functional importance, including in the regulation of gene …

Recent progress in histone demethylase inhibitors

TE McAllister, KS England, RJ Hopkinson… - Journal of medicinal …, 2016 - ACS Publications
There is increasing interest in targeting histone N-methyl-lysine demethylases (KDMs) with
small molecules both for the generation of probes for target exploration and for therapeutic …

[HTML][HTML] Plant cysteine oxidases are dioxygenases that directly enable arginyl transferase-catalysed arginylation of N-end rule targets

MD White, M Klecker, RJ Hopkinson, DA Weits… - Nature …, 2017 - nature.com
Crop yield loss due to flooding is a threat to food security. Submergence-induced hypoxia in
plants results in stabilization of group VII ETHYLENE RESPONSE FACTORs (ERF-VIIs), …

5-Carboxy-8-hydroxyquinoline is a broad spectrum 2-oxoglutarate oxygenase inhibitor which causes iron translocation

RJ Hopkinson, A Tumber, C Yapp, R Chowdhury… - Chemical …, 2013 - pubs.rsc.org
2-Oxoglutarate and iron dependent oxygenases are therapeutic targets for human diseases.
Using a representative 2OG oxygenase panel, we compare the inhibitory activities of 5-…

Conserved N-terminal cysteine dioxygenases transduce responses to hypoxia in animals and plants

…, MD White, ML Puerta, P Perata, RJ Hopkinson… - Science, 2019 - science.org
Organisms must respond to hypoxia to preserve oxygen homeostasis. We identify a thiol
oxidase, previously assigned as cysteamine (2-aminoethanethiol) dioxygenase (ADO), as a low …

Plant growth regulator daminozide is a selective inhibitor of human KDM2/7 histone demethylases

…, MC Chan, AM Rydzik, RJ Hopkinson… - Journal of medicinal …, 2012 - ACS Publications
The JmjC oxygenases catalyze the N-demethylation of N ε -methyl lysine residues in
histones and are current therapeutic targets. A set of human 2-oxoglutarate analogues were …