Download MendeleyStructural mechanism of endosome docking by the FYVE domain.
Kutateladze, T., Overduin, M.(2001) Science 291: 1793-1796
- PubMed: 11230696
- DOI: https://doi.org/10.1126/science.291.5509.1793
- Primary Citation of Related Structures:
1HYI, 1HYJ - PubMed Abstract:
The recruitment of trafficking and signaling proteins to membranes containing phosphatidylinositol 3-phosphate [PtdIns(3)P] is mediated by FYVE domains. Here, the solution structure of the FYVE domain of the early endosome antigen 1 protein (EEA1) in the free state was compared with the structures of the domain complexed with PtdIns(3)P and mixed micelles. The multistep binding mechanism involved nonspecific insertion of a hydrophobic loop into the lipid bilayer, positioning and activating the binding pocket. Ligation of PtdIns(3)P then induced a global structural change, drawing the protein termini over the bound phosphoinositide by extension of a hinge. Specific recognition of the 3-phosphate was determined indirectly and directly by two clusters of conserved arginines.
Organizational Affiliation:
Department of Pharmacology, University of Colorado Health Sciences Center, Denver, CO 80262, USA. tatiana.kutateladze@uchsc.edu
