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EC 1.3.5.3 Details
EC number
1.3.5.3
Accepted name
protoporphyrinogen IX dehydrogenase (quinone)
Reaction
protoporphyrinogen IX + 3 quinone = protoporphyrin IX + 3 quinol
Other name(s)
HemG,
protoporphyrinogen IX dehydrogenase (menaquinone)
Systematic name
protoporphyrinogen IX:quinone oxidoreductase
Comment
Contains FMN. The enzyme participates in heme b biosynthesis. In the bacterium Escherichia coli it interacts with either ubiquinone or menaquinone, depending on whether the organism grows aerobically or anaerobically.
History
created 2010, modified 2020
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