Wiktionary
synaptobrevin
n. (context biology English) A small integral membrane protein of secretory vesicles.
Wikipedia
Synaptobrevin
Synaptobrevins (synaptobrevin isotypes 1-2) are small integral membrane proteins of secretory vesicles with molecular weight of 18 kilodalton (kDa) that are part of the vesicle-associated membrane protein (VAMP) family.
Synaptobrevin is one of the SNARE proteins involved in formation of the SNARE complexes.