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Vesicle associated membrane proteins (VAMPs) are a family of SNARE proteins with similar structure, and are mostly involved in vesicle fusion.
- VAMP1 and VAMP2 proteins known as synaptobrevins are expressed in brain and are constituents of the synaptic vesicles, where they participate in neurotransmitter release.
- VAMP3 (known as cellubrevin) is ubiquitously expressed and participates in regulated and constitutive exocytosis as a constituent of secretory granules and secretory vesicles.
- VAMP5 and VAMP7 participate in constitutive exocytosis.
- VAMP5 is a constituent of secretory vesicles, myotubes and tubulovesicular structures.
- VAMP7 is found both in secretory granules and endosomes.
- VAMP8 (known as endobrevin) participates in endocytosis and is found in early endosomes. VAMP8 also participates the regulated exocytosis in pancreatic acinar cells.
- VAMP4 is involved in transport from the Golgi.[1]
References
- ^ Steegmaier M, Klumperman J, Foletti DL, Yoo JS, Scheller RH (1999). "Vesicle-associated membrane protein 4 is implicated in trans-Golgi network vesicle trafficking". Mol. Biol. Cell. 10 (6): 1957–72. doi:10.1091/mbc.10.6.1957. PMC 25394. PMID 10359608.
External links
- Vesicle-Associated+Membrane+Protein+1 at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
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