Chemicals and Drugs

Z-Form DNA

A left-handed double helix of DNA. Its name derives from its narrow zigzag structure that is the least twisted and thinnest form of DNA. Z-DNA forming regions within the GENOME may play an important role in GENE EXPRESSION REGULATION.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A left-handed double helix of DNA. Its name derives from its narrow zigzag structure that is the least twisted and thinnest form of DNA. Z-DNA forming regions within the GENOME may play an important role in GENE EXPRESSION REGULATION.

MeSH Record

Classification

Broader headings

Related Concepts

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See Also

MeSH Record

Synonyms

6 entry terms
  • DNA, Z-Form
  • Left-Handed DNA
  • Z-DNA
  • DNA, Left-Handed
  • DNA, Z Form
  • Left Handed DNA

MeSH Record

Aspects Covered

30 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, 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

2004; use DNA 1985-2003

MeSH Record

Previous Indexing

  • DNA (1977-2003)

MeSH Hierarchy

Tree Numbers

  1. D13.444w.308w.574w
  2. G02.111.570.820w.486w.493w
  3. G05.360w.580w.493w

AMA Style

References

  1. National Library of Medicine. Z-Form DNA. Medical Subject Headings (MeSH). 2026. Unique ID D043542. http://id.nlm.nih.gov/mesh/2026/D043542
  2. Z-Form DNA. In: Wikipedia. https://en.wikipedia.org/wiki/Z-DNA
  3. Z-Form DNA. In: Wikidata. https://www.wikidata.org/wiki/Q135758