1.17.2.2: lupanine 17-hydroxylase (cytochrome c)
This is an abbreviated version!
For detailed information about lupanine 17-hydroxylase (cytochrome c), go to the full flat file.
Reaction
+ + = + 2 ferrocytochrome c + 2 H+
Synonyms
lupanine dehydrogenase (cytochrome c), lupanine hydroxylase
ECTree
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Cofactor
Cofactor on EC 1.17.2.2 - lupanine 17-hydroxylase (cytochrome c)
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cytochrome c
a quinohaemoprotein, contains one covalently bound haem per molecule, the C-terminal domain contains characteristics of a cytochrome c. The heme accepts only one electron, for the two-electron dehydrogenase reaction, a second electron acceptor must be present (pyrroloquinoline quinone)
heme
-
the midpoint redox potential of the heme in the purified enzyme is + 193 mV
pyrroloquinoline quinone
-
contains one molecule of pyrroloquinoline quinone per molecule of enzyme
pyrroloquinoline quinone
quinohaemoprotein, contains a molecule of pyrroloquinoline quinone. The heme accepts only one electron, for the two-electron dehydrogenase reaction, a second electron acceptor must be present (pyrroloquinoline quinone)
pyrroloquinoline quinone
-
removed from the enzyme by isoelectric focusing to give inactive apoenzyme