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Literature summary for 1.14.14.154 extracted from

  • Troesken, E.R.; Adamska, M.; Arand, M.; Zarn, J.A.; Patten, C.; Voelkel, W.; Lutz, W.K.
    Comparison of lanosterol-14 alpha-demethylase (CYP51) of human and Candida albicans for inhibition by different antifungal azoles (2006), Toxicology, 228, 24-32.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Spodoptera frugiperda Sf9 cell membranes under control of the p10 promoter using the baculovirus transfection system Candida albicans

Inhibitors

Inhibitors Comment Organism Structure
bifonazole IC50: 300 nM Candida albicans
bifonazole IC50: 0.0008 mM Homo sapiens
bitertanol IC50: 59 nM Candida albicans
bitertanol IC50: 0.0013 mM Homo sapiens
clotrimazole IC50: 91 nM Candida albicans
clotrimazole IC50: 0.0009 mM Homo sapiens
cyproconazole IC50: 100 nM Candida albicans
cyproconazole IC50: 0.0228 mM Homo sapiens
epoxiconazole IC50: 220 nM Candida albicans
epoxiconazole IC50: 0.0020 mM Homo sapiens
fadrozole IC50: 0.0322 mM, above Candida albicans
fadrozole IC50: 0.10 mM, above Homo sapiens
fluconazole IC50: 51 nM, above Candida albicans
fluconazole IC50: 0.030 mM, above Homo sapiens
flusilazole IC50: 85 nM Candida albicans
flusilazole IC50: 0.0034 mM Homo sapiens
hexaconazole IC50: 66 nM Candida albicans
hexaconazole IC50: 0.0156 mM Homo sapiens
imazalil IC50: 82 nM Candida albicans
imazalil IC50: 0.0361 mM Homo sapiens
itraconazole IC50: 39 nM Candida albicans
itraconazole IC50: 0.030 mM Homo sapiens
ketoconazole IC50: 64 nM Candida albicans
ketoconazole IC50: 0.0004 mM Homo sapiens
letrozole IC50: 0.0133 mM, above Candida albicans
letrozole IC50: 0.10 mM, above Homo sapiens
miconazole IC50: 72 nM Candida albicans
miconazole IC50: 0.00006 mM Homo sapiens
additional information inhibitory potency of fungicides, antifungal drugs, and cytostatic drugs, overview Candida albicans
additional information inhibitory potency of fungicides, antifungal drugs, and cytostatic drugs, overview Homo sapiens
myclobutanil IC50: 140 nM Candida albicans
myclobutanil IC50: 0.0290 mM Homo sapiens
penconazole IC50: 76 nM Candida albicans
penconazole IC50: 0.0193 mM Homo sapiens
Prochloraz IC50: 98 nM Candida albicans
Prochloraz IC50: 0.0050 mM Homo sapiens
Propiconazole IC50: 150 nM Candida albicans
Propiconazole IC50: 0.0083 mM Homo sapiens
tebuconazole IC50: 350 nM Candida albicans
tebuconazole IC50: 0.0036 mM Homo sapiens
triadimefon IC50: 130 nM Candida albicans
triadimefon IC50: 0.010 mM Homo sapiens
triadimenol IC50: 330 nM Candida albicans
triadimenol IC50: 0.0372 mM Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0017
-
lanosterol pH 7.4, 37°C Homo sapiens
0.0074
-
lanosterol pH 7.4, 37°C Candida albicans

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+
-
Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
lanosterol + [reduced NADPH-hemoprotein reductase] + O2 Homo sapiens
-
? production of follicular fluid-meiosis activating steroid by lanosterol demethylation ?
lanosterol + [reduced NADPH-hemoprotein reductase] + O2 Candida albicans
-
? production of follicular fluid-meiosis activating steroid by lanosterol demethylation ?
additional information Homo sapiens enzyme inhibition may result in endocrine disruption since follicular fluid-meiosis activating steroid, the direct product of lanosterol demethylation, is involved in the control of meiosis ?
-
?

Organism

Organism UniProt Comment Textmining
Candida albicans
-
-
-
Homo sapiens
-
-
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Homo sapiens
additional information
-
-
Candida albicans

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
lanosterol + [reduced NADPH-hemoprotein reductase] + O2
-
Homo sapiens ? production of follicular fluid-meiosis activating steroid by lanosterol demethylation ?
lanosterol + [reduced NADPH-hemoprotein reductase] + O2
-
Candida albicans ? production of follicular fluid-meiosis activating steroid by lanosterol demethylation ?
additional information enzyme inhibition may result in endocrine disruption since follicular fluid-meiosis activating steroid, the direct product of lanosterol demethylation, is involved in the control of meiosis Homo sapiens ?
-
?

Synonyms

Synonyms Comment Organism
CYP51
-
Homo sapiens
CYP51
-
Candida albicans
lanosterol-14alpha-demethylase
-
Homo sapiens
lanosterol-14alpha-demethylase
-
Candida albicans

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Homo sapiens
37
-
assay at Candida albicans

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.4
-
assay at Homo sapiens
7.4
-
assay at Candida albicans

IC50 Value

IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
0.0000091
-
IC50: 91 nM Candida albicans clotrimazole
0.000039
-
IC50: 39 nM Candida albicans itraconazole
0.000051
-
IC50: 51 nM, above Candida albicans fluconazole
0.000059
-
IC50: 59 nM Candida albicans bitertanol
0.00006
-
IC50: 0.00006 mM Homo sapiens miconazole
0.000064
-
IC50: 64 nM Candida albicans ketoconazole
0.000066
-
IC50: 66 nM Candida albicans hexaconazole
0.000072
-
IC50: 72 nM Candida albicans miconazole
0.000076
-
IC50: 76 nM Candida albicans penconazole
0.000082
-
IC50: 82 nM Candida albicans imazalil
0.000085
-
IC50: 85 nM Candida albicans flusilazole
0.000098
-
IC50: 98 nM Candida albicans Prochloraz
0.0001
-
IC50: 100 nM Candida albicans cyproconazole
0.00013
-
IC50: 130 nM Candida albicans triadimefon
0.00014
-
IC50: 140 nM Candida albicans myclobutanil
0.00015
-
IC50: 150 nM Candida albicans Propiconazole
0.00022
-
IC50: 220 nM Candida albicans epoxiconazole
0.0003
-
IC50: 300 nM Candida albicans bifonazole
0.00033
-
IC50: 330 nM Candida albicans triadimenol
0.00035
-
IC50: 350 nM Candida albicans tebuconazole
0.0004
-
IC50: 0.0004 mM Homo sapiens ketoconazole
0.0008
-
IC50: 0.0008 mM Homo sapiens bifonazole
0.0009
-
IC50: 0.0009 mM Homo sapiens clotrimazole
0.0013
-
IC50: 0.0013 mM Homo sapiens bitertanol
0.002
-
IC50: 0.0020 mM Homo sapiens epoxiconazole
0.0034
-
IC50: 0.0034 mM Homo sapiens flusilazole
0.0036
-
IC50: 0.0036 mM Homo sapiens tebuconazole
0.005
-
IC50: 0.0050 mM Homo sapiens Prochloraz
0.0083
-
IC50: 0.0083 mM Homo sapiens Propiconazole
0.01
-
IC50: 0.010 mM Homo sapiens triadimefon
0.0133
-
IC50: 0.0133 mM, above Candida albicans letrozole
0.0156
-
IC50: 0.0156 mM Homo sapiens hexaconazole
0.0193
-
IC50: 0.0193 mM Homo sapiens penconazole
0.0228
-
IC50: 0.0228 mM Homo sapiens cyproconazole
0.029
-
IC50: 0.0290 mM Homo sapiens myclobutanil
0.03
-
IC50: 0.030 mM Homo sapiens itraconazole
0.03
-
IC50: 0.030 mM, above Homo sapiens fluconazole
0.0322
-
IC50: 0.0322 mM, above Candida albicans fadrozole
0.0361
-
IC50: 0.0361 mM Homo sapiens imazalil
0.0372
-
IC50: 0.0372 mM Homo sapiens triadimenol
0.1
-
IC50: 0.10 mM, above Homo sapiens fadrozole
0.1
-
IC50: 0.10 mM, above Homo sapiens letrozole