Issue 100, 2016

2′-(R)-Fluorinated mC, hmC, fC and caC triphosphates are substrates for DNA polymerases and TET-enzymes

Abstract

A deeper investigation of the chemistry that occurs on the newly discovered epigenetic DNA bases 5-hydroxymethyl-(hmdC), 5-formyl-(fdC), and 5-carboxy-deoxycytidine (cadC) requires chemical tool compounds, which are able to dissect the different potential reaction pathways in cells. Here we report that the 2′-(R)-fluorinated derivatives F-hmdC, F-fdC, and F-cadC, which are resistant to removal by base excision repair, are good substrates for DNA polymerases and TET enzymes. This result shows that the fluorinated compounds are ideal tool substances to investigate potential C–C-bond cleaving reactions in the context of active demethylation.

Graphical abstract: 2′-(R)-Fluorinated mC, hmC, fC and caC triphosphates are substrates for DNA polymerases and TET-enzymes

Supplementary files

Article information

Article type
Communication
Submitted
14 ሴፕቴ 2016
Accepted
25 ኖቬም 2016
First published
25 ኖቬም 2016

Chem. Commun., 2016,52, 14361-14364

2′-(R)-Fluorinated mC, hmC, fC and caC triphosphates are substrates for DNA polymerases and TET-enzymes

A. S. Schröder, E. Parsa, K. Iwan, F. R. Traube, M. Wallner, S. Serdjukow and T. Carell, Chem. Commun., 2016, 52, 14361 DOI: 10.1039/C6CC07517G

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