Phenomena and Processes

BTB-POZ Domain

A homodimerization protein interaction domain occurring at the N terminus of proteins that contain multiple copies of either CYS2-HIS2 ZINC FINGERS or KELCH REPEATS. It is characterized by a tightly intertwined dimer with an extensive hydrophobic interface. A surface-exposed groove lined with conserved amino acids is formed at the dimer interface, suggesting a peptide-binding site. Many BTB proteins are transcriptional regulators that are thought to regulate CHROMATIN structure.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A homodimerization protein interaction domain occurring at the N terminus of proteins that contain multiple copies of either CYS2-HIS2 ZINC FINGERS or KELCH REPEATS. It is characterized by a tightly intertwined dimer with an extensive hydrophobic interface. A surface-exposed groove lined with conserved amino acids is formed at the dimer interface, suggesting a peptide-binding site. Many BTB proteins are transcriptional regulators that are thought to regulate CHROMATIN structure.

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Classification

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MeSH Record

Synonyms

10 entry terms
  • BTB (POZ) Domain
  • BTB Domain
  • Broad-Complex, Tramtrack and Bric a Brac Domain
  • POZ Domain
  • POxvirus and Zinc Finger Domain
  • BTB Domains
  • BTB POZ Domain
  • BTB-POZ Domains
  • Broad Complex, Tramtrack and Bric a Brac Domain
  • POZ Domains

MeSH Record

Aspects Covered

5 allowable subheadings

Indexed with the subheadings drug effects, genetics, immunology, physiology, radiation effects.

MeSH Record

History Note

2017

MeSH Record

Previous Indexing

  • Amino Acid Sequence (1994-2016)
  • DNA-Binding Proteins (1994-2016)
  • Protein Structure, Tertiary (1995-2016)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. BTB-POZ Domain. Medical Subject Headings (MeSH). 2026. Unique ID D000071757. http://id.nlm.nih.gov/mesh/2026/D000071757
  2. BTB-POZ Domain. In: Wikipedia. https://en.wikipedia.org/wiki/BTB/POZ_domain
  3. BTB-POZ Domain. In: Wikidata. https://www.wikidata.org/wiki/Q24771346