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MALDI-TOF MS/MS Identification of serum peptide 1866 and 2863 as the fragment of complement component 3 and apolipoprotein A1, respectively. The fragments shown here were taken from a Mascot MS/MS search of the human segment of NR database that retrieved a sequence A:(SSKITHRIHWESASLL) and B: (K.VSFLSALEEYTKKLNTQ), respectively.
