The Enzyme Database

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EC 1.14.13.240     
Accepted name: 2-polyprenylphenol 6-hydroxylase
Reaction: 2-(all-trans-polyprenyl)phenol + NADPH + H+ + O2 = 3-(all-trans-polyprenyl)benzene-1,2-diol + NADP+ + H2O
For diagram of ubiquinol biosynthesis, click here
Other name(s): ubiI (gene name); ubiM (gene name)
Systematic name: 2-(all-trans-polyprenyl)phenol,NADPH:oxygen oxidoreductase (6-hydroxylating)
Comments: Contains FAD. The enzyme from the bacterium Escherichia coli (UbiI) catalyses the first hydroxylation during the aerobic biosynthesis of ubiquinone. The enzyme from the bacterium Neisseria meningitidis (UbiM) can also catalyse the two additional hydroxylations that occur in the pathway (cf. EC 1.14.99.60, 3-demethoxyubiquinol 3-hydroxylase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Hajj Chehade, M., Loiseau, L., Lombard, M., Pecqueur, L., Ismail, A., Smadja, M., Golinelli-Pimpaneau, B., Mellot-Draznieks, C., Hamelin, O., Aussel, L., Kieffer-Jaquinod, S., Labessan, N., Barras, F., Fontecave, M. and Pierrel, F. ubiI, a new gene in Escherichia coli coenzyme Q biosynthesis, is involved in aerobic C5-hydroxylation. J. Biol. Chem. 288 (2013) 20085–20092. [PMID: 23709220]
2.  Pelosi, L., Ducluzeau, A.L., Loiseau, L., Barras, F., Schneider, D., Junier, I. and Pierrel, F. Evolution of Ubiquinone Biosynthesis: Multiple Proteobacterial Enzymes with Various Regioselectivities To Catalyze Three Contiguous Aromatic Hydroxylation Reactions. mSystems 1 (2016) . [PMID: 27822549]
[EC 1.14.13.240 created 2018]
 
 


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