Cited by 91Cellular transport and secretionNeuroscience and Neuropharmacology ResearchProtein Kinase Regulation and GTPase Signaling

SH3 domain‐dependent interactions of endophilin with amphiphysin

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Kristina D. Micheva, Antoine R. Ramjaun, Brian K. Kay, Peter Scottt McPherson·1997·FEBS Letters

Abstract

Amphiphysin I and II are nerve terminal-enriched proteins thought to function in synaptic vesicle endocytosis. In addition to a C-terminal SH3 domain, the proteins contain a highly conserved putative SH3 binding site and numerous consensus phosphorylation sites. We now demonstrate that amphiphysin I but not amphiphysin II is a phosphoprotein which undergoes dephosphorylation during nerve terminal depolarization. Further, both amphiphysin I and II interact with the SH3 domain of endophilin, a synaptically enriched protein implicated in synaptic vesicle endocytosis. The interaction is direct and mediated through a 43 amino acid region of amphiphysin containing the putative SH3 binding site. These data further support a role for amphiphysin I, II and endophilin in synaptic vesicle endocytosis.

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Crossref · 10.1016/s0014-5793(97)01016-8

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Authors
Micheva, K. D., Ramjaun, A. R., Kay, B. K., & McPherson, P. S.
Affiliations
  • Montreal Neurological Institute and Hospital (CA)
  • University of North Carolina at Chapel Hill (US)
Venue
FEBS Letters
Publisher
Wiley
Published
1997-09-08
Volume
414
Issue
2
Pages
308-312
ISSN
  • 0014-5793 (ISSN-L)
  • 1873-3468
OpenAlex
W2020167482
Cited by
91
References
21
Citations by year
2026: 2 · 2025: 3 · 2024: 4 · 2023: 8 · 2022: 2 · 2020: 1 · 2017: 3 · 2016: 4 · 2015: 2 · 2014: 5 · 2012: 2
FWCI
1.73
Type
journal article
Language
en
Open access
Locations
  • FEBS Letters (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
endophilin, SH3 domain, protein-protein interaction, synaptic vesicle endocytosis, dephosphorylation, phosphorylation sites, synapses
MeSH terms
Amino Acid Sequence, Animals, Antibodies, Base Sequence, Binding Sites, Brain, Carrier Proteins, Endocytosis, Glutathione Transferase, Molecular Sequence Data, Nerve Tissue Proteins, Peptide Fragments, Phosphoproteins, Phosphorylation, Recombinant Fusion Proteins, Synaptic Vesicles, Synaptosomes, Polymerase Chain Reaction, DNA Primers, src Homology Domains, Adaptor Proteins, Signal Transducing, Rats

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