Fig. 6From: Identification of lipopeptides in Bacillus megaterium by two-step ultrafiltration and LC–ESI–MS/MSLC-ESI–MS/MS spectrum of esperin precursors ion [M + H]+ at m/z 1050 at retention time 4.68 min containing a Glu1-Leu/Ile2-Leu3-Leu/Ile4-Asp5-Leu6-Val7 peptide and a C16 β-hydroxy fatty acid chainBack to article page