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. 2000 Mar 21;97(7):3189–3194. doi: 10.1073/pnas.050444797

Figure 5.

Figure 5

Part of a nano-ESI MS/MS spectrum of the [M+Na]+ ion of WALP16(+10) incorporated in a DMPC bilayer 100 min after incubation in a deuterated ammonium acetate buffer. The sodiated partly deuterated peptide parent ions as well as parts of the A fragment ion series and Y′ fragment ion series are indicated [Y′ is defined as [Y′′ −H + Na] (26)]. (Inset) Fragmentation pattern; A ions correspond to N-terminal fragments and Y′ ions correspond to C-terminal fragments.