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. Author manuscript; available in PMC: 2011 Aug 13.
Published in final edited form as: J Mol Biol. 2010 Jun 16;401(2):239–252. doi: 10.1016/j.jmb.2010.06.018

Figure 5. Blood group antigens.

Figure 5

Each tetra-saccharide can be divided in two distinct fucosylated tri-saccharides: Leb in a H type-1 tri-saccharide --Fucα2Galβ3GlcNAc— and in a Lewis-a (Lea) tri-saccharide --Galβ3[Fucα4GlcNAc]— and Ley in a H type-2 tri-saccharide --Fucα2Galβ4GlcNAc— or in a Lex tri-saccharide --Galβ4[Fucα3GlcNAc]—.