title: Isolation and characterization of new iturins: iturin D and iturin E.
abstract: Two new antibiotics, iturin D and iturin E, were isolated from a strain of Bacillus subtilis producing iturin A. These compounds belong to the iturin group, the acid hydrolysates contained alpha-amino acids Asp3, Glu1, Pro1, Ser1, Tyr1, and a mixture of n-C14, iso-C15, anteiso-C15, iso-C16 and n-C16 beta-amino acids. They differ from iturin A by the presence of a free carboxyl group in iturin D and a carboxymethyl group in iturin E.
mesh_terms: D000935:Antifungal Agents / Q000302:isolation & purification*; D004353:Drug Evaluation, Preclinical; D005658:Fungi / Q000187:drug effects; D013058:Mass Spectrometry; D010456:Peptides, Cyclic / Q000302:isolation & purification / Q000494:pharmacology; D013329:Structure-Activity Relationship
chemical_list: D000935:Antifungal Agents; D010456:Peptides, Cyclic; C052532:iturin D; C052538:iturin E