assuming a single lectin molecule binds to each cell surface saccharide , the number of receptor sites per cell ranged for different cell samples from 22.3 to 50.0 x 10 ( 6 ) , from 3.8 to 4.8 x 10 ( 6 ) , and from 2.0 to 16.8 x 10 ( 6 ) for d. stramonium , e. europaea , and g. simplicifolia i-b4 lectins , respectively .
C0699040
cell surface
C0007634
cell