For some proteins, the isoelectric point must be obtained by extrapolation because the
Chapter 19, Problem 19.29(choose chapter or problem)
For some proteins, the isoelectric point must be obtained by extrapolation because the macromolecule might not be stable over a very wide pH range. Estimate the pH of the isoelectric point from the following data for a protein: pH 4.5 5.0 5.5 6.0 Drift speed/(m s1) 0.10 0.20 0.30 0.35
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