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Figure 3 | BMC Microbiology

Figure 3

From: Gene cluster analysis for the biosynthesis of elgicins, novel lantibiotics produced by paenibacillus elgii B69

Figure 3

ESI-MS of RP-HPLC-purified elgicins AI, AII, B, and C isolated from fermentation medium. A, Peaks at 1512.89 [M + 3H]3+ and 1135.07 [M + 4H]4+ correspond to a mass of 4536 Da for elgicin AI. Peaks at 1532.58 [M + 3H]3+ and 1149.31 [M + 4H]4+ correspond to a mass of 4593 Da for elgicin AII, indicating that it has one Gly residue more than elgicin AI. B, Peaks at 1569.89 [M + 3H]3+ and 1177.72 [M + 4H]4+ correspond to a mass of 4706 Da for elgicin B, indicating that it has one Leu residue more than elgicin AII. C, Peaks at 1608.30 [M + 3H]3+ and 1206.14 [M + 4H]4+ correspond to a mass of 4820 Da for elgicin C, indicating that it has one Asn residue more than elgicin B.

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