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DNA Structure: A-, B- and Z-DNA Helix Families

  1. David W Ussery

Published Online: 16 MAY 2002

DOI: 10.1038/npg.els.0003122

eLS

eLS

How to Cite

Ussery, D. W. 2002. DNA Structure: A-, B- and Z-DNA Helix Families. eLS. .

Author Information

  1. Danish Technical University, Lyngby, Denmark

Publication History

  1. Published Online: 16 MAY 2002

Abstract

There are three major families of DNA helices: A-DNA, B-DNA and Z-DNA. The helical structure of DNA is variable and depends on the sequence as well as the environment.

Keywords:

  • DNA structure;
  • A-DNA;
  • B-DNA;
  • Z-DNA;
  • DNA helix;
  • left-handed DNA