| 6 transmembrane subunits |
| A - Tilt: 5° - Segments: 1(10-26), 2(340-358), 3(363-382), 4(397-414), 5(438-456), 6(471-493), 7(539-556), 8(875-892), 9(896-918), 10(927-947), 11(971-991), 12(1003-1026) |
| B - Tilt: 5° - Segments: 1(10-26), 2(340-358), 3(363-382), 4(397-414), 5(438-456), 6(471-493), 7(539-556), 8(875-892), 9(896-918), 10(927-947), 11(971-991), 12(1003-1026) |
| C - Tilt: 5° - Segments: 1(10-26), 2(340-358), 3(363-382), 4(397-414), 5(438-456), 6(471-493), 7(539-556), 8(875-892), 9(896-918), 10(927-947), 11(971-991), 12(1003-1026) |
| D - Tilt: 60° - Segments: 1(21-51) |
| E - Tilt: 61° - Segments: 1(21-51) |
| F - Tilt: 60° - Segments: 1(21-51) |