A Commander-independent function of COMMD3 in endosomal trafficking
2024
COMMD3's Role in Endosomal Trafficking
publication
Evidence: high
Author Information
Author(s): Squiers Galen T., Wan Chun, Gorder James, Puscher Harrison, Shen Jingshi
Primary Institution: University of Colorado, Boulder
Hypothesis
COMMD3 may have functions beyond its role in the Commander holo-complex.
Conclusion
COMMD3 regulates endosomal trafficking independently of the Commander complex by stabilizing ARF1.
Supporting Evidence
- COMMD3 was the only Commander subunit isolated as a significant hit in a genome-scale genetic screen.
- COMMD3 regulates a group of cargo proteins independent of the Commander holo-complex.
- The N-terminal domain of COMMD3 binds and stabilizes ARF1, a key regulator in endosomal recycling.
Takeaway
COMMD3 helps move proteins inside cells without needing its usual partner complex, which is pretty cool!
Methodology
The study used unbiased genetic screens and comparative targeted mutations to analyze the role of COMMD3.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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