Target intelligence / Profile preview

Polycomb Repressive Complex 2 (PRC2)

Target
PRC2
Molecular classification
Multi-protein complex, Histone modification, Histone methyltransferase
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Overview

Polycomb Repressive Complex 2 (PRC2) is a multi-protein complex that mediates gene silencing through the methylation of histone H3 at lysine 27 (H3K27me3). It plays crucial roles in development, cell differentiation, and disease. The core complex comprises EZH1/EZH2 (catalytic subunit), SUZ12, and EED. Accessory proteins like RBBP4/7, AEBP2, and JARID2 modulate its activity. PRC2 dysregulation is implicated in cancer and neurodegenerative disorders.

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Mechanism of action

Inhibition of H3K27 methylation

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Biological functions

Gene silencingEpigenetic regulationDevelopmental regulationStem cell maintenanceX chromosome inactivationGenomic imprintingDNA damage response
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Disease associations

CancerNeurodegenerative disease (e.g., Alzheimer's disease)
05

Safety considerations

Potential for off-target effects due to widespread gene regulationDevelopmental toxicity
06

Biomarkers

H3K27me3 levels

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