Table 2. VAR2CSA-DBL5ε residues Q₃₀₃, E₃₀₃ and K₃₀₃ distribution in relation to placental parasite CSA/CSPG binding affinity.

	Q303	E303	K303
Isolates
High binders (n = 20)	10/20a	6/20	6/20
Low binders (n = 16)	1/16	7/16	9/16

Those parasites ability to bind CSA or CSPG have previously been described [2].

^ap<.01, t-test.

n corresponds to placental parasite isolates.