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. Author manuscript; available in PMC: 2006 May 26.
Published in final edited form as: Mol Vis. 2005 Dec 28;11:1211–1219.

Figure 4.

Figure 4

First deamidation of GlyAsnAsnAsnGly. The first-order deamidation rate curve for single deamidation of GlyAsnAsnAsnGly, using deamidation of the first isotopic cluster. This figure is ln[A/(A+B+C+D)] versus time. The measured deamidation half-time is six days. The quantitative linearity and zero deamidation intercept of the plot demonstrate that this deamidation has been accurately and separately measured by the mass defect ICR FTMS technique.