Skip to main content
An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Concept information

Preferred term

Z-DNA

Type

  • Chemical

Definition

  • Information A less common "zig-zag" conformation of double-stranded DNA with a left-handed double helix which requires alternating GC sequences. It is favored by high salt concentration, but may occur in cells and may have regulatory functions.

Broader concept

Synonyms

  • left-handed DNA
  • Z form of DNA

In other languages

URI

https://lod.nal.usda.gov/nalt/34171

Download this concept:

RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 2/18/14