A Dual Binding Mode for RhoGTPases in Plexin Signalling
2011
How Plexin Receptors Work
publication
Author Information
Author(s): Christian Bell, Aricescu AR, Jones EY, Siebold C
Hypothesis
How does receptor signaling work in plexin activation?
Conclusion
The study reveals that plexin receptors require binding at both ends to function properly and suggests a model for their activation.
Supporting Evidence
- The plexin receptor mediates axon guidance during neuronal development.
- Activated RhoGTPase interacts with a specific domain on plexin, which is crucial for its function.
- The study proposes a model where RhoGTPase binding stabilizes the plexin signaling complex.
Takeaway
Plexin receptors help nerve cells find their way by responding to signals, and this study shows how they work with other proteins to do that.
Methodology
The researchers focused on the intracellular region of plexin and determined its structure while bound to an activated RhoGTPase.
Digital Object Identifier (DOI)
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