Related Experiment Video
Updated: Feb 10, 2026

Inducible, Cell Type-Specific Expression in Arabidopsis thaliana Through LhGR-Mediated Trans-Activation
Published on: April 19, 2019
Specific Eph receptor-cytoplasmic effector signaling mediated by SAM-SAM domain interactions
Yue Wang1, Yuan Shang2, Jianchao Li2
1Shenzhen Key Laboratory for Neuronal Structural Biology, Biomedical Research Institute, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, China.
Researchers uncovered a specific pattern in how Eph receptor tyrosine kinases (RTKs) bind to effector proteins via SAM domains. This finding explains how Eph receptors transmit diverse signals and sheds light on disease-related mutations.
Area of Science:
- Cellular signaling
- Molecular biology
- Structural biology
Background:
- Eph receptor tyrosine kinases (RTKs) are crucial for development.
- How Eph receptors transmit diverse signals via similar domains remains unclear.
Purpose of the Study:
- Investigate Eph receptor SAM domain interactions with effectors.
- Elucidate the specificity code governing Eph-effector binding.
- Identify new Eph binding partners.
Main Methods:
- Systematic investigation of SAM domain bindings.
- X-ray crystallography of SAM-SAM heterodimer complexes.
- Biochemical and cell biology experiments.
Main Results:
- Discovered a specific SAM-SAM interaction-mediated Eph-effector binding pattern.
- Revealed the specificity code for Eph/effector interactions.
- Identified SAMD5 as a novel Eph binding partner.
- Eph/effector SAM heterodimer structures explain disease-associated mutations.
Conclusions:
- Eph receptor signaling specificity is mediated by SAM domain interactions.
- This interaction pattern is key to understanding Eph function in development and disease.
- Identified SAMD5 as a new player in Eph signaling pathways.
More Related Videos
04:47A Method to Assess Fc-mediated Effector Functions Induced by Influenza Hemagglutinin Specific Antibodies
Published on: February 23, 2018
07:58Quantitative Imaging of Lineage-specific Toll-like Receptor-mediated Signaling in Monocytes and Dendritic Cells from Small Samples of Human Blood
Published on: April 16, 2012
Related Concept Videos
Receptor-mediated Endocytosis
Receptor-mediated Endocytosis
Clathrin-Mediated Endocytosis of LDL
One well-characterized example of receptor-mediated endocytosis is the...
G-protein Coupled Receptors
Internal Receptors
Yeast Signaling
Role of Ephrin-Eph Signalling in Intestinal Stem Cell Renewal