SUMOylation of DNA replication proteins

Summary
Organism
Homo sapiens (human)
Reactome
R-HSA-4615885
PubChem
R-HSA-4615885
Description
  • The sliding clamp protein PCNA, Aurora-A, Aurora-B, Borealin, and various topoisomerases can be SUMOylated (reviewed in Wan et al. 2012). SUMOylation of PCNA appears to reduce formation of double-strand breaks and inappropriate recombination (reviewed in Watts 2006, Watts 2007, Dieckman et al. 2012, Gazy and Kupiec 2012). SUMOylation of Aurora-A, Aurora-B, and Borealin is necessary for proper chromosome segregation. SUMOylation of topoisomerases is observed in response to damage caused by inhibitors of topoisomerases.
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International Collaboration

GlyCosmos is a member of the GlySpace Alliance together with GlyGen and Glycomics@ExPASy.

Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026