Target intelligence / Profile preview

Fungal cytochrome P450 14-α-demethylase (CYP51 (ERG11))

Target
CYP51 (ERG11)
Molecular classification
Enzyme, Cytochrome P450 superfamily, Monooxygenase
01

Overview

Fungal cytochrome P450 14-α-demethylase is an essential enzyme in ergosterol biosynthesis, serving as the principal target for azole antifungal drugs. Its inhibition compromises fungal membrane integrity and viability. Resistance arises through gene mutations and overexpression. Cell membrane phospholipids, while critical for fungal structure and function, are a molecular class—not a direct drug target.

Other names
Sterol 14-α-demethylaseLanosterol 14-α-demethylaseCYP51ERG11Erg11p
02

Mechanism of action

Inhibition of ergosterol biosynthesis by binding active site heme, disruption of membrane function

03

Biological functions

Ergosterol biosynthesisCell membrane biogenesisMembrane permeability and fluidity regulation
04

Disease associations

Infection (fungal)Antifungal resistance
05

Safety considerations

Resistance due to CYP51 alterationsCYP450 inhibition in humansDrug interactions
06

Interacting drugs

Fluconazole

6 more in the full profile.

07

Biomarkers

ERG11/CYP51 expressionErgosterol contentCYP51 mutations

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