2Z21:
reference: A Monovalent Mutant of Cyanovirin-N Provides Insight into the Role of Multiple Interactions with gp120 for Antiviral Activity(,)., Fromme R, Katiliene Z, Giomarelli B, Bogani F, Mahon JM, Mori T, Fromme P, Ghirlanda G, Biochemistry. 2007 Jul 18;. PMID: 17636873

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