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The expected taxonomic range for this enzyme is: Evernia prunastri
Synonyms
L-usnic acid dehydrogenase,
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L-usnic acid dehydrogenase
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(6R)-2-acetyl-6-(3-acetyl-2,4,6-trihydroxy-5-methylphenyl)-3-hydroxy-6-methyl-2,4-cyclohexadien-1-one + NAD+ = (S)-usnate + NADH + H+
in the reverse direction, (S)-usnate is reduced by NADH with cleavage of the ether bond to form a 7-hydroxy group
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reduced-(S)-usnate:NAD+ oxidoreductase (ether-bond-forming)
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L-usnic acid + NADH
NAD+ + 2-acetyl-6-(3-acetyl-2,4,6-trihydroxy-5-methyl-phenyl)-3-hydroxy-6-methyl-cyclohexa-2,4-dienone
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L-usnic acid + NADH
NAD+ + 2-acetyl-6-(3-acetyl-2,4,6-trihydroxy-5-methyl-phenyl)-3-hydroxy-6-methyl-cyclohexa-2,4-dienone
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NADH
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strict requirement for NADH, not replaceable by NADPH
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6.8
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about 20% of maximal activity
9.2
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about 50% of maximal activity
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22
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about 30% of maximal activity
37
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about 35% of maximal activity
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brenda
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brenda
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Estevez, M.P.; Legaz, E.; Olmeda, L.; Perez, F.J.; Vicente, C.
Purification and properties of a new enzyme from Evernia prunastri, which reduces L-usnic acid
Z. Naturforsch. C
36
35-39
1981
Evernia prunastri
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brenda
Avalos, A.; Vicente, C.
Equivalence between Pfr and cyclic AMP in the induction of D-usnic acid dehydrogenase in the lichen Evernia prunastri
Plant Physiol.
84
803-807
1987
Evernia prunastri
brenda
Avalos, A.; Vicente, C.
Action of filipin on phytochrome-modulated D-usnic acid: NAD+(H) oxidoreductase activity in the lichen Evernia prunastri
J. Plant Physiol.
135
478-482
1989
Evernia prunastri
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brenda
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