Table 2.

M5 compared with N6

	Actin sliding speed, M5/N6	Actin–tropomyosin sliding speed, M5/N6	Actin–tropomyosin–troponin sliding speed at pCa5, M5/N6	Actin–tropomyosin–troponin sliding speed at pCa9, M5/N6	Actin–tropomyosin–troponin fraction motile at pCa9, M5/N6
Preparation 1	1.28	1.21	1.46	1.52	2.78
Preparation 2	1.44	1.18	1.43	1.32	1.01
Preparation 3	1.60	1.24	1.22	1.12	1.77

Comparison of motility parameters of non-failing heart myosin (N6) and HOCM myosin, M5. M5 has a consistently hypercontractile molecular phenotype.