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Information on EC 1.14.14.154 - sterol 14alpha-demethylase

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IUBMB Comments
This cytochrome P-450 (heme-thiolate) enzyme acts on a range of steroids with a 14alpha-methyl group, such as obtusifoliol and lanosterol. The enzyme catalyses a hydroxylation and a reduction of the 14alpha-methyl group, followed by a second hydroxylation, resulting in the elimination of formate and formation of a 14(15) double bond.
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UNIPROT: A6ZSR0
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Word Map
The enzyme appears in viruses and cellular organisms
Synonyms
cyp51, erg11, cyp51a, cyp51a1, erg11p, cyp51b, lanosterol 14alpha-demethylase, lanosterol 14 alpha-demethylase, lanosterol demethylase, sterol 14alpha-demethylase, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
lanosterol 14alpha-demethylase
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14-demethylase
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14alpha-demethylase
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14alpha-methylsterol 14alpha-demethylase
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14alpha-sterol demethylase
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14DM
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CYP51
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CYPL1
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cytochrome CYP51
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cytochrome P 450 CYP51
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cytochrome P-450 lanosterol 14alpha-demethylase
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cytochrome P-450-dependent 14alpha-sterol demethylase
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cytochrome P-450-dependent obtusifoliol 14alpha-demethylase
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cytochrome P-450/14DM
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cytochrome P-45014DM
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cytochrome P450 14DM
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cytochrome P450 51
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cytochrome P450 CYP51
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cytochrome-P450 14alpha-demethylase
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demethylase, methylsterol 14alpha-
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eburicol 14 alpha-demethylase
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eburicol 14alpha-demethylase
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lanosterol 14 alpha-demethylase
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lanosterol 14-demethylase
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lanosterol 14alpha-demethylase
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lanosterol 14alpha-methyldemethylase
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lanosterol C-14 demethylase
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lanosterol demethylase
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LDM
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methylsterol 14alpha-demethylase (P 450 CYP51)
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Obtusifoliol 14-alpha demethylase
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obtusifoliol 14-demethylase
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obtusifoliol 14alpha-demethylase
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obtusifoliol-metabolizing 14alpha-demethylase
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obtusufoliol 14-demethylase
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P 450 lanosterol C-14 demethylase
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P-450 lanosterol demethylase
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P-45014DM
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P-45014DM-containing monooxygenase system
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P-450OBT 14DM
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P450(14DM)
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P450-14DM
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P450-L1A1
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P45014DM
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sterol 14-demethylase
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sterol 14-demethylase P450
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sterol 14alpha-demethylase
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sterol 14alpha-demethylase (CYP51)
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sterol C14 demethylase
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
oxygenation
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redox reaction
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oxidation
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reduction
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hydroxylation
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monooxygenation
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PATHWAY SOURCE
PATHWAYS
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-, -, -, -, -, -, -, -
SYSTEMATIC NAME
IUBMB Comments
sterol,[reduced NADPH-hemoprotein reductase]:oxygen oxidoreductase (14-methyl cleaving)
This cytochrome P-450 (heme-thiolate) enzyme acts on a range of steroids with a 14alpha-methyl group, such as obtusifoliol and lanosterol. The enzyme catalyses a hydroxylation and a reduction of the 14alpha-methyl group, followed by a second hydroxylation, resulting in the elimination of formate and formation of a 14(15) double bond.
CAS REGISTRY NUMBER
COMMENTARY hide
138674-19-8
deleted registry number
341989-59-1
deleted registry number
60063-87-8
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90463-45-9
deleted registry number
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
difenoconazole
whole-cell antifungal activity of both the R- and S-enantiomers of tebuconazole, prothioconazole, prothioconazole-desthio, and oxo-prothioconazole as well as for fluquinconazole, prochloraz and a racemic mixture of difenoconazole are determined. In vitro binding studies with the affinity purified enzyme are used to show tight type II binding to the yeast enzyme for all compounds tested except prothioconazole and oxo-prothioconazole. Comparison with CYP51 structures from fungal pathogens including Candida albicans, Candida glabrata and Aspergillus fumigatus provides strong evidence for a highly conserved CYP51 structure including the drug binding site
fluquinconazole
whole-cell antifungal activity of both the R- and S-enantiomers of tebuconazole, prothioconazole, prothioconazole-desthio, and oxo-prothioconazole as well as for fluquinconazole, prochloraz and a racemic mixture of difenoconazole are determined. In vitro binding studies with the affinity purified enzyme are used to show tight type II binding to the yeast enzyme for all compounds tested except prothioconazole and oxo-prothioconazole. Comparison with CYP51 structures from fungal pathogens including Candida albicans, Candida glabrata and Aspergillus fumigatus provides strong evidence for a highly conserved CYP51 structure including the drug binding site
oxo-prothioconazole
whole-cell antifungal activity of both the R- and S-enantiomers of tebuconazole, prothioconazole, prothioconazole-desthio, and oxo-prothioconazole as well as for fluquinconazole, prochloraz and a racemic mixture of difenoconazole are determined. In vitro binding studies with the affinity purified enzyme are used to show tight type II binding to the yeast enzyme for all compounds tested except prothioconazole and oxo-prothioconazole. Comparison with CYP51 structures from fungal pathogens including Candida albicans, Candida glabrata and Aspergillus fumigatus provides strong evidence for a highly conserved CYP51 structure including the drug binding site
Prochloraz
whole-cell antifungal activity of both the R- and S-enantiomers of tebuconazole, prothioconazole, prothioconazole-desthio, and oxo-prothioconazole as well as for fluquinconazole, prochloraz and a racemic mixture of difenoconazole are determined. In vitro binding studies with the affinity purified enzyme are used to show tight type II binding to the yeast enzyme for all compounds tested except prothioconazole and oxo-prothioconazole. Comparison with CYP51 structures from fungal pathogens including Candida albicans, Candida glabrata and Aspergillus fumigatus provides strong evidence for a highly conserved CYP51 structure including the drug binding site
prothioconazole
whole-cell antifungal activity of both the R- and S-enantiomers of tebuconazole, prothioconazole, prothioconazole-desthio, and oxo-prothioconazole as well as for fluquinconazole, prochloraz and a racemic mixture of difenoconazole are determined. In vitro binding studies with the affinity purified enzyme are used to show tight type II binding to the yeast enzyme for all compounds tested except prothioconazole and oxo-prothioconazole. Comparison with CYP51 structures from fungal pathogens including Candida albicans, Candida glabrata and Aspergillus fumigatus provides strong evidence for a highly conserved CYP51 structure including the drug binding site
prothioconazole-desthio
whole-cell antifungal activity of both the R- and S-enantiomers of tebuconazole, prothioconazole, prothioconazole-desthio, and oxo-prothioconazole as well as for fluquinconazole, prochloraz and a racemic mixture of difenoconazole are determined. In vitro binding studies with the affinity purified enzyme are used to show tight type II binding to the yeast enzyme for all compounds tested except prothioconazole and oxo-prothioconazole. Comparison with CYP51 structures from fungal pathogens including Candida albicans, Candida glabrata and Aspergillus fumigatus provides strong evidence for a highly conserved CYP51 structure including the drug binding site
tebuconazole
whole-cell antifungal activity of both the R- and S-enantiomers of tebuconazole, prothioconazole, prothioconazole-desthio, and oxo-prothioconazole as well as for fluquinconazole, prochloraz and a racemic mixture of difenoconazole are determined. In vitro binding studies with the affinity purified enzyme are used to show tight type II binding to the yeast enzyme for all compounds tested except prothioconazole and oxo-prothioconazole. Comparison with CYP51 structures from fungal pathogens including Candida albicans, Candida glabrata and Aspergillus fumigatus provides strong evidence for a highly conserved CYP51 structure including the drug binding site
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
A6ZSR0_YEAS7
Saccharomyces cerevisiae (strain YJM789)
530
0
60706
TrEMBL
-
CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
X-ray crystal structures of hexahistidine-tagged Saccharomyces cerevisiae lanosterol 14alpha-demethylase in complex with its substrate lanosterol, the pseudosubstrate estriol and the triazole drugs itraconazole, posaconazole, fluconazole and voriconazole
PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Y140F
3.3fold reduction in susceptibility to S-prothioconazole
Y140H
4.3fold reduction in susceptibility to S-prothioconazole
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
recombinant hexahistidine-tagged enzyme is overexpresssed in a yeast membrane protein expression system
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Tyndall, J.D.; Sabherwal, M.; Sagatova, A.A.; Keniya, M.V.; Negroni, J.; Wilson, R.K.; Woods, M.A.; Tietjen, K.; Monk, B.C.
Structural and functional elucidation of yeast lanosterol 14alpha-demethylase in complex with agrochemical antifungals
PLoS ONE
11
e0167485
2016
Saccharomyces cerevisiae (A6ZSR0), Saccharomyces cerevisiae, Saccharomyces cerevisiae YJM789 (A6ZSR0)
Manually annotated by BRENDA team