Table 1.
Troponin and myosin isoforms in human and murine muscle
| Protein isoforms | Human gene symbol | Murine gene symbol | Human/murine protein symbol | Alternative name |
|---|---|---|---|---|
| Slow skeletal muscle troponin T | TNNT1 | Tnnt1 | TNNT1 | slow TnT |
| Slow skeletal muscle troponin I | TNNI1 | Tnni1 | TNNI1 | slow TnI |
| Fast skeletal muscle troponin T | TNNT3 | Tnnt3 | TNNT3 | fast TnT |
| Fast skeletal muscle troponin I | TNNI2 | Tnni2 | TNNI2 | fast TnI |
| Cardiac troponin T | TNNT2 | Tnnt2 | TNNT2 | Cardiac TnT |
| Cardiac troponin I | TNNI3 | Tnni3 | TNNI3 | Cardiac TnI |
| Skeletal muscle myosin heavy chain type 1 | MYH7 | Myh7 | MYH7 | MHC I |
| Skeletal muscle myosin heavy chain type 2a | MYH2 | Myh2 | MYH2 | MHC IIa (2a) |
| Skeletal muscle myosin heavy chain type 2b | MYH1 | Myh1 | MYH1 | MHC IIx (2b) |