Fig. 4From: Identification of novel tylosin analogues generated by a wblA disruption mutant of Streptomyces ansochromogenes Identification of compound 1 and 2 produced by ΔwblA. HPLC chromatograms (a) and the UV absorption spectra of compound 1 and 2 (b). (I): purified compound 1, (II): purified compound 2, (III): fermentation broth from ΔwblABack to article page