Figure 1From: Isolation and partial characterization of cyclic lipopeptide antibiotics produced by Paenibacillus ehimensis B7MS/MS spectrum of PE1 and its proposed amino acid sequence. (A) MS/MS spectrum of the doubly charged precursor ion at m/z 567.4 of the hydrolyzed PE1 of 1,133 Da. (B) Proposed amino acid sequence of PE1.Back to article page