Target intelligence / Profile preview

Nitroreductase (NTR)

Target: NTR
Molecular classification: Enzyme, Oxidoreductase

Overview

Nitroreductases (NTRs) are a family of oxidoreductase enzymes, primarily found in bacteria, that catalyze the reduction of nitroaromatic and nitroheterocyclic compounds. These enzymes use NAD(P)H as an electron donor to reduce nitro groups on substrates, often resulting in the activation of prodrugs or the detoxification/biotransformation of environmental pollutants. Engineered forms of NTRs are used in cancer gene therapy to selectively activate chemotherapeutics within tumor microenvironments.

Mechanism of action

Catalyzes the reduction of nitroaromatic and nitroheterocyclic compounds, activating prodrugs into cytotoxic metabolites.

Biological functions

Prodrug activationBiotransformationReduction of nitro compoundsEnvironmental remediation

Disease associations

Cancer

Safety considerations

Potential for off-target effects if NTR expression is not tightly controlled.Immunogenicity of bacterial NTR in mammalian systems.

Interacting drugs

Metronidazole

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