TABLE 2.

Inhibition of Ad37 attachment to Chang C cells by sialylated glycoproteins^a

Glycoprotein	Glycoprotein ID50 (μM)	% Maximal inhibition of Ad37 attachment at 500 μM glycoprotein
BSAb	>500	0d
Fetuin	420	62
Asialofetuin	>500	10
Mucinc	8	89
Asialomucinc	>500	0
Orosomucoid	75	77
Glycophorin A	>500	45

^aDetermined as described in Materials and Methods. Each value represents the mean from three independent experiments.

^bBSA, bovine serum albumin.

^cThe molecular mass of mucins has not yet been accurately determined and was estimated here to be 200 kDa.

^dDetermined at 3 mM.