Figure 3.

MS/MS spectra of peptides unique for specific 30 kDa lipoproteins. Fragment ion series from the N- and C-terminus were observed as well as immonium ions. A) L302. B/C) from purified lipoprotein (fraction 60, Fig. 4). B) LP3/L301, C) LP3/L301, modified (phosphorylated or O-sulfonated).

Pakkianathan et al. BMC Biochemistry 2012 13:5   doi:10.1186/1471-2091-13-5
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