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. 2021 Aug 31;10:e70362. doi: 10.7554/eLife.70362

Appendix 1—figure 4. HG rotation.

Appendix 1—figure 4.

(A-C) Single time trace of zhead, rhead and the HG principal axis polar angle, θ. (D–G) Snapshots of the orientation of HG, relative to the membrane. During the prefusion-to-postfusion transition, the head rotates from an orientation in which it is pointing toward the membrane, to an orientation where it is pointing away. Structural snapshots illustrate various orientations during the transition.