The aggregation of “native” human serum albumin
2015
Recombinant fully deuterated, defatted human serum albumin in heavy water was found to be about 90 % aggregated before final fractionation. For comparison and to establish a datum for this isotope effect, the extent of aggregation is reported for “native” defatted and fatted human serum albumin solutions in phosphate buffered 1 mg/ml in heavy and light water at 25 °C and at 4 °C. The extent of aggregation is small over a month at these temperatures, but extensive when the solutions are subjected to repeated freeze-thawing from −18 to 25 °C in both D2O and H2O.
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