3-Hydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione monooxygenase
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Template:Short description Template:Infobox enzyme 3-hydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione monooxygenase (Template:EC number, HsaA) is an enzyme with systematic name Template:Chem name.[1] This enzyme catalyses the following chemical reaction:
- 3-hydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione + FMNH2 + O2 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione + FMN + H2O
This bacterial enzyme participates in the degradation of several steroids, including cholesterol and testosterone.