A new pipeline SPICE identifies novel JUN-IKZF1 composite elements
2023

New Pipeline SPICE Identifies Novel Protein-DNA Binding Partners

publication

Author Information

Author(s): Li Peng, Pulugulla Sree H., Das Sonali, Oh Jangsuk, Spolski Rosanne, Lin Jian-Xin, Leonard Warren J.

Primary Institution: Cold Spring Harbor Laboratory

Hypothesis

Can the SPICE pipeline predict novel protein-DNA binding partners and their spacing preferences?

Conclusion

The SPICE pipeline successfully identified known and novel protein-DNA binding interactions, revealing a new association between IKZF1 and AP1.

Supporting Evidence

  • SPICE identified known composite elements like AP1-IRF and STAT5 tetramers.
  • The study uncovered novel JUN-IKZF1 composite elements.
  • Cooperative binding of JUN and IKZF1 was confirmed.
  • The activity of an IL10-luciferase reporter depended on specific binding sites.

Takeaway

Scientists created a new tool called SPICE to find out how proteins stick to DNA, and they discovered some new ways proteins work together.

Methodology

The study used a novel screening pipeline to predict protein binding partners and DNA motif spacing preferences.

Digital Object Identifier (DOI)

10.1101/2023.05.31.543110

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