Fromme, R., Z. Katiliene, B. Giomarelli, F. Bogani, J. Mc Mahon, T. Mori, P. Fromme, and G. Ghirlanda, (2007) A Monovalent Mutant of Cyanovirin-N Provides Insight into the Role of Multiple Interactions with gp120 for Antiviral Activity. Biochemistry, 46(32): 9199-9207.