Journal
CURRENT OPINION IN STRUCTURAL BIOLOGY
Volume 22, Issue 6, Pages 691-700Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.sbi.2012.10.001
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Funding
- Biotechnology and Biological Sciences Research Council
- Wellcome Trust
- British Heart Foundation
- European Research Council
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2-Oxoglutarate (2OG) and ferrous iron dependent oxygenases catalyze two-electron oxidations of a range of small and large molecule substrates, including proteins/peptides/amino acids, nucleic acids/bases, and lipids, as well as natural products including antibiotics and signaling molecules. 2OG oxygenases employ variations of a core double-stranded beta-helix (DSBH; a.k.a. jelly-roll, cupin or jumonji C (JmjC)) fold to enable binding of Fe(II) and 2OG in a subfamily conserved manner. The topology of the DSBH limits regions directly involved in substrate binding: commonly the first, second and eighth strands, loops between the second/third and fourth/fifth DSBH strands, and the N-terminal and C-terminal regions are involved in primary substrate, co-substrate and cofactor binding. Insights into substrate recognition by 2OG oxygenases will help to enable selective inhibition and bioengineering studies.
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