title: FR-900148, a new antibiotic. II. Structure determination of FR-900148.
abstract: The structure of FR-900148, a new antibiotic produced by a strain of Streptomyces xanthocidicus, has been established as 1-N-valyl-3-chloro-2,5-dihydro-5-oxo-1H-pyrrole-2-carboxylic acid on the basis of spectroscopic and chemical evidence.
mesh_terms: D000107:Acetylation; D000900:Anti-Bacterial Agents; D055598:Chemical Phenomena; D002621:Chemistry; D006865:Hydrogenation; D006868:Hydrolysis; D008745:Methylation; D011760:Pyrrolidinones; D011761:Pyrrolidonecarboxylic Acid / Q000031:analogs & derivatives; D013057:Spectrum Analysis; D014633:Valine / Q000031:analogs & derivatives*
chemical_list: D000900:Anti-Bacterial Agents; D011760:Pyrrolidinones; C025531:FR 900148; D014633:Valine; D011761:Pyrrolidonecarboxylic Acid