A Novel Hemagglutinin with Antiproliferative Activity against Tumor Cells from the Hallucinogenic Mushroom Boletus speciosus

Table 4

Effects of cations on hemagglutinating activity of BSH.

Cation (mM)	10	5	2.5	1.25
Hg^2+	0	0	0	2
Fe^2+	8	16	32	32
Ca^2+	16	16	32	32
Pb^2+	16	16	16	32
K^+	32	32	32	32
Cd^2+	32	32	32	32
Cu^2+	32	32	32	32
Mg^2+	32	32	32	32
Mn^2+	32	32	32	32
Zn^2+	32	32	32	32
Al^3+	32	32	32	32
Fe^3+	32	32	32	32

Note: initial hemagglutinating activity was 32 U.