1XOO:
reference: Membrane structures of the hemifusion-inducing fusion peptide mutant G1S and the fusion-blocking mutant G1V of influenza virus hemagglutinin suggest a mechanism for pore opening in membrane fusion., Li Y, Han X, Lai AL, Bushweller JH, Cafiso DS, Tamm LK, J Virol 2005 Sep;79(18):12065-76. PMID: 16140782

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