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Proteolipid apoproteins have been prepared from heart, kidney, and liver by dialysis in chloroform/methanol against chloroform/methanol, acidified chloroform/methanol, and chloroform/methanol in succession. They are free of lipids (less than 0.05% P; less than 0.1% carbohydrate). They show a high content of non-polar amino acids, methionine, and tryptophan(More)
The interaction of bovine white matter proteolipid apoproteins with sodium dodecyl sulfate (SDS) was studied. Equilibrium dialysis binding measurements show that the apoprotein binds approximately 1.5 gm SDS per gram protein at high ionic strength (gamma/2 = 0.17). At low ionic strength (gamma/2 = 0.01) the protein binds only 0.90 gm per gram protein. The(More)
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