Anti-Z-DNA antibody binding can stabilize Z-DNA in relaxed and linear plasmids under physiological conditions.

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

It is shown that anti-Z-DNA antibody binding can stabilize sequences of d(CG/GC)n and d(CA/GT)n in the Z-DNA conformation in a plasmid in the complete absence of supercoiling. This effect is quantitated by using antibody preparations of different affinities and varying concentrations. The d(CG/GC)n sequence can be stabilized under physiological conditions. This is the first demonstration that a region of Z-DNA can be stabilized by protein binding in a completely relaxed plasmid under physiological conditions. The antibody-Z-DNA complex in the relaxed plasmid is shown to be an equilibrium state and not a long-lived kinetic intermediate since specific binding of the antibody to linearized plasmids containing Z-forming sequences is observed.

Original languageEnglish (US)
Pages (from-to)3655-3660
Number of pages6
JournalThe EMBO journal
Volume4
Issue number13 B
StatePublished - Dec 30 1985
Externally publishedYes

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Z-Form DNA
Antinuclear Antibodies
Plasmids
Antibodies
Nucleic Acid Conformation
Protein Binding
Conformations
Demonstrations
Kinetics

ASJC Scopus subject areas

  • Cell Biology
  • Genetics

Cite this

Anti-Z-DNA antibody binding can stabilize Z-DNA in relaxed and linear plasmids under physiological conditions. / Lafer, Eileen M; Sousa, Rui J; Rich, A.

In: The EMBO journal, Vol. 4, No. 13 B, 30.12.1985, p. 3655-3660.

Research output: Contribution to journalArticle

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