Dynein: A Protein with Adenosine Triphosphatase Activity from Cilia.
The adenosine triphosphatase protein from cilia of Tetrahymena pyriformis consists of 30S and 14S fractions. The 30S fraction consists of rod-like particles, 70 to 90 angstroms in diameter, which are linear polymers of globular 14S units. The 14S units have a molecular weight of approximately 600,000. The enzymatic properties of the two fractions are similar.
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