1XEQ:
reference: Conserved surface features form the double-stranded RNA binding site of non-structural protein 1 (NS1) from influenza A and B viruses., Yin C, Khan JA, Swapna GV, Ertekin A, Krug RM, Tong L, Montelione GT, J Biol Chem. 2007 Jul 13;282(28):20584-92. Epub 2007 May 1. PMID: 17475623

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