Lactoferrin and transferrin damage of the gram-negative outer membrane is modulated by Ca2+ and Mg2+.
Ellison RT, LaForce FM, Giehl TJ, Boose DS, Dunn BE. Lactoferrin and transferrin damage of the gram-negative outer membrane is modulated by Ca2+ and Mg2+. J Gen Microbiol. 1990 Jul; 136(7):1437-46.