| 3 transmembrane subunits |
| A - Tilt: 3° - Segments: 1(13-31), 2(338-357), 3(360-380), 4(394-412), 5(446-465), 6(478-500), 7(872-891), 8(894-918), 9(926-945), 10(980-1000), 11(1012-1031) |
| B - Tilt: 3° - Segments: 1(12-31), 2(338-357), 3(360-380), 4(394-412), 5(446-465), 6(478-500), 7(872-891), 8(894-918), 9(926-945), 10(980-1000), 11(1012-1031) |
| C - Tilt: 3° - Segments: 1(12-31), 2(338-357), 3(360-380), 4(394-412), 5(446-465), 6(478-500), 7(872-891), 8(894-918), 9(926-945), 10(980-1000), 11(1012-1031) |