Figure 2: RP-HPLC and LC-MS analysis of the rattusin (RTSN) peptide.
From: Rattusin structure reveals a novel defensin scaffold formed by intermolecular disulfide exchanges

(a) The linear precursor and refolded RTSN (r-RTSN) were analyzed by RP-HPLC. (b) ESI-LC-MS ionization pattern of the r-RTSN.