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Cited by 620

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XRCC1 Polypeptide Interacts with DNA Polymerase and Possibly Poly (ADP-Ribose) Polymerase, and DNA Ligase III Is a Novel Molecular 'Nick-Sensor' In Vitro

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Caldecott, K. W., Aoufouchi, S., Johnson, P., Shall, S.·1996·Nucleic Acids Research

Abstract

The DNA repair proteins XRCC1 and DNA ligase III are physically associated in human cells and directly interact in vitro and in vivo. Here, we demonstrate that XRCC1 is additionally associated with DNA polymerase-beta in human cells and that these polypeptides also directly interact. We also present data suggesting that poly (ADP-ribose) polymerase can interact with XRCC1. Finally, we demonstrate that DNA ligase III shares with poly (ADP-ribose) polymerase the novel function of a molecular DNA nick-sensor, and that the DNA ligase can inhibit activity of the latter polypeptide in vitro. Taken together, these data suggest that the activity of the four polypeptides described above may be co-ordinated in human cells within a single multiprotein complex.

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Metadata

Authors
Caldecott, K. W., Aoufouchi, S., Johnson, P., & Shall, S.
Venue
Nucleic Acids Research
Published
1996-11-01
Volume
24
Issue
22
Pages
4387-4394
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2134831636
Cited by
620
References
2
FWCI
6.80
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: XRCC1 Polypeptide Interacts with DNA Polymerase and Possibly Poly (ADP-Ribose) Polymerase, and DNA Ligase III Is a Novel Molecular 'Nick-Sensor' In Vitro. https://app.cochat.ai/papers/10.1093/nar/24.22.4387
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Caldecott, K. W., Aoufouchi, S., Johnson, P., & Shall, S. (1996). XRCC1 Polypeptide Interacts with DNA Polymerase and Possibly Poly (ADP-Ribose) Polymerase, and DNA Ligase III Is a Novel Molecular 'Nick-Sensor' In Vitro. Nucleic Acids Research. https://doi.org/10.1093/nar/24.22.4387

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