Abstract
Plasma membranes from a CHO cell line, CH RC5, which exhibits multidrug resistance was studied using radiation inactivation analysis. The P-glycoprotein content of the membrane was determined by Western blots. Irradiation resulted in the loss of P-glycoprotein. The dependence of this loss on radiation dose corresponded to a target size of 250 kDa which is the molecular mass of a dimer of the P-glycoprotein. This is strong evidence to indicate that the P-glycoprotein self associates in the membrane.
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Schedule a callMore From: Biochimica et Biophysica Acta (BBA) - Biomembranes
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