To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 3. Comparison of the three class averages of the fap42 CA shows positional flexibility of the C1f projection. Sequence of one tomographic slice for each class average in longitudinal orientation. Related to Fig. 4. Scale bar: 10 nm. Structural organization of the C1b projection within the ciliary central apparatus Kai Cai, Yanhe Zhao, Lei Zhao, Nhan Phan, Yuqing Hou, Xi Cheng, George B. Witman, and Daniela Nicastro J Cell Sci 2021. 134:None-None; doi: 10.1242/jcs.254227 Download Original Video