From: Ion- and water-binding sites inside an occluded hourglass pore of a trimeric intracellular cation (TRIC) channel
Transmembrane helices
η angle (°)
SsTRIC
CeTRIC-B1
CeTRIC-B2
M1
26.9
31.5
34.8
M2a
46.0
64.1
66.9
M2b
41.5
63.0
61.7
M3
14.1
21.2
20.7
M4
19.0
46.7
46.2
M5a
51.8
54.6
55.6
M5b
37.8
59.4
60.4
M6
25.3
17.7
20.3
M7
4.7
13.2
19.9