Page 141 - The Manga Guide to Biochemistry
P. 141
If we look at the left side of the diagrams below, we can see that the tip for each type
of sugar chain is different.
For the sugar chain of Type A blood, the tip is GalNAc.
GalNAc Gal GlcNAc Protein
or lipid
Fuc
Protein
For the sugar chain of Type B blood, the tip is Gal. or lipid
Gal Gal GlcNAc
Fuc
For the sugar chain of Type 0 blood, there is no tip!
Gal GlcNAc Protein
or lipid
Fuc
Names of saccharides
GalNAc : N-acetylgalactosamine
Gal : Galactose
Fuc : Fucose
GlcNAc : N-acetylglucosamine
Oooh, so that’s where those three types come from!
That’s right! And people with Type AB blood have sugar chains of both Type A and
Type B.
Wow, that’s all there is to it? Differences in sugar chains? How weird...
Biochemistry in Our Everyday Lives 127
