Reconstituted Complex

An interaction is detected between purified proteins in vitro.

Publication

Ataxin-3 consolidates the MDC1-dependent DNA double-strand break response by counteracting the SUMO-targeted ubiquitin ligase RNF4.

Pfeiffer A, Luijsterburg MS, Acs K, Wiegant WW, Helfricht A, Herzog LK, Minoia M, Boettcher C, Salomons FA, van Attikum H, Dantuma NP

The SUMO-targeted ubiquitin ligase RNF4 functions at the crossroads of the SUMO and ubiquitin systems. Here, we report that the deubiquitylation enzyme (DUB) ataxin-3 counteracts RNF4 activity during the DNA double-strand break (DSB) response. We find that ataxin-3 negatively regulates ubiquitylation of the checkpoint mediator MDC1, a known RNF4 substrate. Loss of ataxin-3 markedly decreases the chromatin dwell time of ... [more]

EMBO J. Apr. 13, 2017; 36(8);1066-1083 [Pubmed: 28275011]

Throughput

  • Low Throughput

Additional Notes

  • #LPPI
  • Likely protein-protein interaction

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
ATXN3 SUMO1
Two-hybrid
Two-hybrid

Bait protein expressed as a DNA binding domain (DBD) fusion and prey expressed as a transcriptional activation domain (TAD) fusion and interaction measured by reporter gene activation.

Low-BioGRID
-

Curated By

  • BioGRID