Cdc6p modulates the structure and DNA binding activity of the origin recognition complex in vitro

Tohru Mizushima, Naoko Takahashi, Bruce Stillman

Research output: Contribution to journalArticle

103 Citations (Scopus)

Abstract

An interaction between the origin recognition complex (ORC) and Cdc6p is the first and a key step in the initiation of chromosomal DNA replication. We describe the assembly of an origin-dependent complex containing ORC and Cdc6p from Saccharomyces cerevisiae. Cdc6p increases the DNA binding specificity of ORC by inhibiting non-specific DNA binding of ORC. Cdc6p induces a concomitant change in the conformation of ORC and mutations in the Cdc6p Walker A and Walker B motifs, or ATP-γ-S inhibited these activities of Cdc6p. These data suggest that Cdc6p modifies ORC function at DNA replication origins. On the basis of these results in yeast, we propose that Cdc6p may be an essential determinant of origin specificity in metazoan species.

Original languageEnglish
Pages (from-to)1631-1641
Number of pages11
JournalGenes and Development
Volume14
Issue number13
Publication statusPublished - 2000 Jul 1
Externally publishedYes

Fingerprint

Origin Recognition Complex
DNA
DNA Replication
Replication Origin
Saccharomyces cerevisiae
In Vitro Techniques
Adenosine Triphosphate
Yeasts
Mutation

Keywords

  • ATPase
  • Cdc6p
  • DNA replication
  • ORC
  • S. cerevisiae
  • Sequence specificity

ASJC Scopus subject areas

  • Genetics
  • Developmental Biology

Cite this

Cdc6p modulates the structure and DNA binding activity of the origin recognition complex in vitro. / Mizushima, Tohru; Takahashi, Naoko; Stillman, Bruce.

In: Genes and Development, Vol. 14, No. 13, 01.07.2000, p. 1631-1641.

Research output: Contribution to journalArticle

Mizushima, T, Takahashi, N & Stillman, B 2000, 'Cdc6p modulates the structure and DNA binding activity of the origin recognition complex in vitro', Genes and Development, vol. 14, no. 13, pp. 1631-1641.
Mizushima, Tohru ; Takahashi, Naoko ; Stillman, Bruce. / Cdc6p modulates the structure and DNA binding activity of the origin recognition complex in vitro. In: Genes and Development. 2000 ; Vol. 14, No. 13. pp. 1631-1641.
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