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Biochimie. 2001 Jan;83(1):5-12.

Bacterial replication initiator DnaA. Rules for DnaA binding and roles of DnaA in origin unwinding and helicase loading.

Author information

1
Max-Planck-Institut für molekulare Genetik, Ihnestrasse 73, 14195, Berlin, Germany. messer@mpimg-berlin-dahlem.mpg.de

Abstract

We review the processes leading to the structural modifications required for the initiation of replication in Escherichia coli, the conversion of the initial complex to the open complex, loading of helicase, and the assembly of two replication forks. Rules for the binding of DnaA to its binding sites are derived, and the properties of ATP-DnaA are described. We provide new data on cooperative interaction and dimerization of DnaA proteins of E. coli, Streptomyces and Thermus thermophilus, and on the stoichiometry of DnaA-oriC complexes of E. coli.

PMID:
11254968
[Indexed for MEDLINE]

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