Table 1.
Myosin filament symmetries
| Muscle type | Rotational symmetry | Axial symmetry | Lattice type | Crown repeat | Full repeat | Lateral repeat |
|---|---|---|---|---|---|---|
| Vertebrate smooth muscle | N/a | Face polar | Planar | 14.5 nm | 72 nm? | 10–12 nm |
| Tarantula | 4-stranded | Bipolar | Helical | 14.5 nm | 43 nm | 15–16 nm |
| Limulus | 4-stranded | Bipolar | Helical | 14.5 nm | 43.5 nm | 15–16 nm |
| Insect flight muscle | 4-stranded | Bipolar | Helical | 14.5 nm | 116 nm | 14 nm |
| Scallop striated muscle | 7-stranded | Bipolar | Helical | 14.4 nm | 144 nm | 14 nm |
| Vertebrate striated muscle | 3-stranded | Bipolar | Quasi-helical | 14.3 nm | 43 nm | 14–15 nm |