the results show that the bulk of the receptors for peanut agglutinin ( pna ) and ricin ( rca 60 ) are glycoproteins , whereas those for ricinus communis agglutinin ( rca 120 ) and soybean agglutinin ( sba ) are distributed nearly equally between membrane glycoproteins and glycolipids .
C0017968
glycoproteins
C0025248
membrane glycoproteins