Interaction of a protein from rat liver nuclei with cruciform DNA.

Research output: Contribution to journalArticlepeer-review


We constructed a synthetic cruciform DNA which closely resembles Holliday junctions, a DNA structure formed during recombination or following the transition from interstrand to intrastrand base pairing in palindromic DNA sequences. We identified and partially purified a protein from rat liver that specifically binds to this cruciform DNA molecule and does not bind to single-stranded or double-stranded DNAs of the same sequence. This protein also binds to the cruciform structure formed by a 70 bp palindromic sequence cloned in plasmid pUC18. No detectable nucleolytic activity is associated with the rat liver cruciform-binding protein, in contrast to all cruciform-recognizing proteins known so far.

Original languageEnglish
Pages (from-to)843-849
Number of pages7
JournalEMBO Journal
Issue number3
Publication statusPublished - Mar 1988

ASJC Scopus subject areas

  • Cell Biology
  • Genetics


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