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Information on EC - tetracenomycin A2 monooxygenase-dioxygenase

for references in articles please use BRENDA:EC1.14.13.200
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IUBMB Comments
Isolated from the bacterium Streptomyces glaucescens. The enzyme was also isolated from the bacterium Streptomyces olivaceus, where it acts on 8-demethyltetracenomycin A2 (tetracenomycin B2) as part of elloramycin biosynthesis. The reaction involves a monooxygenase reaction which is followed by a dioxygenase reaction giving a gem-diol and an epoxide. Water opens the epoxide giving two hydroxy groups. The gem-diol eliminates water to give a ketone which is then reduced to a hydroxy group.
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The expected taxonomic range for this enzyme is: Bacteria, Eukaryota
ElmG, Tcm A2 oxygenase, Tcm B2 oxygenase, TcmG, tetracenomycin A2 oxygenase, more
tetracenomycin A2 + 2 O2 + 2 NAD(P)H + 2 H+ = tetracenomycin C + 2 NAD(P)+ + H2O
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