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Figure Caption

Figure 4—figure supplement 1. Different views of the lipid binding pocket at the interface between two subunits.

Phosphatidic acid (pink) that binds at the interface between two subunits near the pore region is shown in stick representation along with the corresponding density. The interacting residues from the S4, S5 and S6 helices are also shown in stick representation. The protein residues from different protomers are colored differently. The helices are shown in cartoon representation with high transparency.

Acknowledgments
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