Reference: Lee DG and Bell SP (2000) ATPase switches controlling DNA replication initiation. Curr Opin Cell Biol 12(3):280-5

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Abstract


Proteins that bind and hydrolyze ATP are frequently involved in the early steps of DNA replication. Recent studies of Saccharomyces cerevisiae suggest that two members of the AAA+ ATPase family--the origin recognition complex and Cdc6p--have separable roles for ATP binding and ATP hydrolysis during eukaryotic DNA replication. Intriguingly, the proposed regulation of these eukaryotic replication proteins by ATP has functional similarities to the ATP-dependent control of the DnaA and DnaC initiation factors from Escherichia coli. Comparison of the ATP regulation of these factors suggests that ATP binding and hydrolysis acts as a molecular switch that couples key events during initiation of replication. This switch results in a significant change in protein function.

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Journal Article | Review
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Lee DG, Bell SP
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