Composite megalosaccharide proposed for blood group substance Composite megalosaccharide proposed for blood group substance. (From Kornfeld and Kornfeld,1 as modified from Feizi et al. J Immunol 106:1578, 1971.) Source: Disorders of Glycoprotein Degradation: α-Mannosidosis, β-Mannosidosis, Fucosidosis, and Sialidosis, The Online Metabolic and Molecular Bases of Inherited Disease Citation: Valle D, Beaudet AL, Vogelstein B, Kinzler KW, Antonarakis SE, Ballabio A, Gibson K, Mitchell G. The Online Metabolic and Molecular Bases of Inherited Disease; 2014 Available at: http://ommbid.mhmedical.com/DownloadImage.aspx?image=/data/books/971/ch140fg1.png&sec=62642883&BookID=971&ChapterSecID=62642875&imagename= Accessed: January 23, 2018 Copyright © 2018 McGraw-Hill Education. All rights reserved