| 5 transmembrane subunits |
| A - Tilt: 10° - Segments: 1(33-55), 2(64-84), 3(109-134), 4(160-182), 5(187-204), 6(209-222), 7(246-272) |
| B - Tilt: 8° - Segments: 1(30-55), 2(64-85), 3(109-134), 4(160-182), 5(187-204), 6(209-222), 7(246-272) |
| C - Tilt: 8° - Segments: 1(33-55), 2(63-84), 3(89-94), 4(109-134), 5(160-182), 6(187-204), 7(209-222), 8(246-271) |
| D - Tilt: 8° - Segments: 1(33-55), 2(63-84), 3(109-134), 4(160-182), 5(187-204), 6(209-222), 7(246-271) |
| E - Tilt: 9° - Segments: 1(33-55), 2(64-84), 3(109-134), 4(160-182), 5(187-204), 6(209-222), 7(246-271) |