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DNA POLYMERASE III HOLOENZYME: Structure and Function of a Chromosomal Replicating Machine

Kelman, Zvi, O'Donnell, Mike·1995·Annual Review of Biochemistry

Abstract

DNA polymerase III holoenzyme contains two DNA polymerases embedded in a particle with 9 other subunits. This multi subunit DNA polymerase is the Escherichia coli chromosomal replicase, and it has several special features that distinguish it as a replicating machine. For example, one of its subunits is a circular protein that slides along DNA while clamping the rest of the machinery to the template. Other subunits act together as a matchmaker to assemble the ring onto DNA. Overall, E. coli DNA polymerase III holoenzyme is very similar in both structure and function to the chromosomal replicases of eukaryotes, from yeast all the way up to humans. This review summarizes our present knowledge about the function of the 10 subunits of this replicating machine and how they coordinate their actions for smooth duplication of chromosomes.

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Metadata

Authors
Kelman, Z., & O'Donnell, M.
Venue
Annual Review of Biochemistry
Published
1995-06
Volume
64
Issue
1
Pages
171-200
ISSN
  • 0066-4154 (ISSN-L)
  • 1545-4509
OpenAlex
W2111745935
Cited by
442
References
0
FWCI
7.70
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: DNA POLYMERASE III HOLOENZYME: Structure and Function of a Chromosomal Replicating Machine. https://app.cochat.ai/papers/10.1146/annurev.bi.64.070195.001131
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Kelman, Z., & O'Donnell, M. (1995). DNA POLYMERASE III HOLOENZYME: Structure and Function of a Chromosomal Replicating Machine. Annual Review of Biochemistry. https://doi.org/10.1146/annurev.bi.64.070195.001131

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.