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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Nat Struct Mol Biol. 2021 Dec 30;29(1):40–46. doi: 10.1038/s41594-021-00699-y

Extended Data Fig. 5. Interactions between A’B’ and C’D’ helices of the gating ring.

Extended Data Fig. 5

Side-chains of residues involved in A’B’/C’D’ interactions between A3I and A3II (a), A3II and A3III (b), A3III and B3 (c), and B3 and A3I (d) are shown as sticks. Hydrogen bonds and salt bridges are shown as yellow and purple dash lines, respectively.