FIGURE 4.
MS/MS spectrum of the reduced and alkylated form of the Oak1 L31A product with a precursor ion observed at m/z 1196.03+ corresponding to a mass of 3585 Da. Sequence analysis revealed that the peptide sequence was GLPVCGETCVGGTCNTPGCTCSWPVCTRNGAOS, where O = Hyp. Singly charged ions present are labeled.