In the lever-arm model, a single cycle of actin attachment and power stroke for one myosin II head involves the hydrolysis of one ATP molecule.

This study explores the use of polarized second-harmonic generation (pSHG) to investigate myosin conformation in the relaxed state, differentiating between the actin-available, disordered (ON) state ...

Sometimes a short period cycle is a natural variation, but it can also indicate a medical condition. Learn more about the causes of a short cycle.

All the latest ATP Hamburg Open Women's Singles tennis scores and schedule on BBC Sport.