synaptophysin is a major glycoprotein of mr approximately 38,000 ( in deglycosylated form : mr approximately 34,000 ) characteristic of a certain class of small ( 30-80 nm diameter ) neurosecretory vesicles , including presynaptic vesicles , but also vesicles of various neuroendocrine cells of both neuronal and epithelial phenotype .
C0085255
synaptophysin
C1518275
neuroendocrine cells