TABLE 1.

Known GSL receptors for Stx and Shiga-like toxins^a

GSL family	Name (symbol)	GSL structureb
gala	Galabiosylceramide	Galα1→4Galβ1→1′Cer
globo	Globotriaosylceramide (Gb3, CTH, CD77, Pk)	Galα1→4Galβ1→4Glcβ1→1′Cer
neolacto	IV4-α-Galactosylneolactotetraglycosylceramide (P1)	Galα1→4Galβ1→4GlcNAcβ1→3Galβ1→4Glcβ1→1′Cer
globoc	Globotetraosylceramide (Gb4,P)	GalNAcβ1→3Galα1→4Galβ1→4Glcβ1→1′Cer

^aGSL classification, trivial names, and structures as recommended by the International Union of Pure and Applied Chemistry-International Union of Biology Commission on Biochemical Nomenclature (47). 

^bUnderlined oligosaccharides represent the critical terminal Galα1-4Gal disaccharide required for Stx, Stx1, and Stx2 recognition and binding. 

^cReceptor for Stx2e.