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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
EC Tree
1.1.3.1 created 1961, deleted 1984
1.1.3.22 created 1961 as EC 1.2.3.2, transferred 1984 to EC 1.1.3.22, modified 1989, deleted 2004
1.1.3.25 created 1986, deleted 2005
1.1.3.26 created 1989, deleted 2002
1.1.3.31 created 1992, deleted 2003
1.1.3.32 created 1999, deleted 2002
1.1.3.33 created 1999, deleted 2002
1.1.3.34 created 1999, deleted 2002
1.1.3.35 created 1999, deleted 2002
1.1.3.36 created 1999, deleted 2002
1.1.99.15 created 1978, deleted 1980
1.1.99.17 created 1982, deleted 2003