1) Without ATP, the extensibility of glycerinated muscle fiber increasessuddenly when temperature rises over 30°C.2) This fact supports the assertion that the associating reaction of actinand myosin is exothermic.3) The physical meaning of extension and its structural mechanism werediscussed.
Torao NAGAIMadoka MakinoseTakashi Ochiai
J. W. RemingtonRobert Alexander
David StanleyGeorge W. de Villafranca