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. 2016 Feb 5;6:20273. doi: 10.1038/srep20273

Figure 3. HPLC profiles of fermentation extracts.

Figure 3

(i) STN-producing strain wild-type; (ii) ΔstnQ1 mutant; (iii) ΔstnQ1 mutant fed with (2S,3R)-β-MeTrp; (iv) ΔstnQ1 mutant fed with (2S,3S)-β-MeTrp. ♦ 1 and ◊ 4; • is not STN confirmed by MS analysis.