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. 2020 Feb 11;11:840. doi: 10.1038/s41467-020-14658-6

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© The Author(s) 2020, corrected publication 2023

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Fig. 1 — a Two orthogonal views of the overall PA₇-LF structure. b Structure comparison of substrate-binding α clamp between PA₇-LF channel and PA₈-(LF_N)₄ pre-channel.