5LDS:
reference: Allosteric inhibition of aminopeptidase N functions related to tumor growth and virus infection., Santiago C, Mudgal G, Reguera J, Recacha R, Albrecht S, Enjuanes L, Casasnovas JM, Sci Rep. 2017 Apr 10;7:46045. doi: 10.1038/srep46045. PMID: 28393915

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