ZnSO4 at concentrations above 0.1 mM decreased Ca2+ ATPase activity of actomyosin extracted from tilapia hybrid.
At pH values sufficiently far from the isoelectric point of proteins,divalent cations such as Ca2+, Zn2+, Mg2+ induce protein cross-linking via the salt bridges between negatively charged carboxyl groups.
found that bovine serum albumin added with CuSO4, FeSO4, and ZnSO4 underwent aggregation,in
which clustered proteins were formed.