Melting of myosin and tropomyosin: electron microscopic observations.


A method was devised to maintain a very low angle (2-3 degrees) during the metal casting of specimens for electron microscopy. With this modified rotary shadowing procedure the melting of myosin and tropomyosin (TM) was investigated. When protein solutions were sprayed on mica sheets and then heated to melt alpha-helices, myosin molecules did not show any… (More)


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