Chemicals and Drugs

Polycomb Repressive Complex 1

A multisubunit polycomb protein complex with affinity for CHROMATIN that contains methylated HISTONE H3. It contains an E3 ubiquitin ligase activity that is specific for HISTONE H2A and works in conjunction with POLYCOMB REPRESSIVE COMPLEX 2 to effect EPIGENETIC REPRESSION.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A multisubunit polycomb protein complex with affinity for CHROMATIN that contains methylated HISTONE H3. It contains an E3 ubiquitin ligase activity that is specific for HISTONE H2A and works in conjunction with POLYCOMB REPRESSIVE COMPLEX 2 to effect EPIGENETIC REPRESSION.

MeSH Record

Classification

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MeSH Record

Aspects Covered

30 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

History Note

2013

MeSH Record

Previous Indexing

  • Repressor Proteins (1998-2012)
  • Transcription Factors (1997)

MeSH Hierarchy

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AMA Style

References

  1. National Library of Medicine. Polycomb Repressive Complex 1. Medical Subject Headings (MeSH). 2026. Unique ID D063150. http://id.nlm.nih.gov/mesh/2026/D063150
  2. Polycomb Repressive Complex 1. In: Wikipedia. https://en.wikipedia.org/wiki/Polycomb_repressive_complex_1
  3. Polycomb Repressive Complex 1. In: Wikidata. https://www.wikidata.org/wiki/Q21102175