title: Co-operativity in biological machines.
mesh_terms: D000199:Actins; D000255:Adenosine Triphosphate / Q000378:metabolism; D002118:Calcium / Q000502:physiology; D008954:Models, Biological; D009119:Muscle Contraction; D009218:Myosins; D011336:Probability; D011487:Protein Conformation; D011789:Quantum Theory; D013816:Thermodynamics; D013997:Time Factors; D014159:Transducers
chemical_list: D000199:Actins; D000255:Adenosine Triphosphate; D009218:Myosins; D002118:Calcium