Target intelligence / Profile preview

Cytochrome P450 Oxidoreductase (POR)

Target
POR
Molecular classification
Enzyme, Oxidoreductase, Flavoprotein
01

Overview

Cytochrome P450 oxidoreductase (POR) is a membrane-bound enzyme essential for electron transfer from NADPH to microsomal cytochromes P450 and other heme proteins. It plays a central role in drug metabolism, steroid synthesis, and other critical biological processes. Mutations can lead to severe developmental and metabolic disorders.

Other names
CPRCYPORNADPH-cytochrome P450 reductasecytochrome p450 reductase
02

Mechanism of action

Facilitates electron transfer from NADPH to cytochromes P450 and other heme-containing proteins.

03

Biological functions

Electron transferDrug metabolismSteroid hormone biosynthesisCholesterol/fatty acid homeostasisRedox reactions
04

Disease associations

Antley-Bixler syndromeCongenital malformation syndromesMetabolic disorders
05

Safety considerations

Mutations can cause severe developmental and metabolic disorders.Complete loss is embryonic lethal.

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