however , whereas chromaffin granule glycoproteins are characterized by their high proportion of n-acetylgalactosamine-containing o-glycosidically-linked oligosaccharides ( present in the chromogranins ) , such oligosaccharides accounted for only 17 % of those in noradrenergic synaptic vesicle glycoproteins .
C0008586
chromogranins
C0017968
glycoproteins