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. 2019 Dec 2;31(1):12–21. doi: 10.1681/ASN.2019070651

Table 2.

Known carbohydrate xenoantigens expressed on pig cells

Carbohydrate (Abbreviation) Responsible Enzyme Gene-Knockout Pig
Galactose-α1,3-galactose (Gal) α1,3-galactosyltransferase GTKO
N-glycolylneuraminic acid (Neu5Gc) CMAHa CMAHKO
Sda β-1,4N-acetylgalactosaminyltransferase β4GalNT2KO
a

Cytidine monophosphate-N-acetylneuraminic acid hydroxylase.