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ChemInform Abstract: Nostophycin, a Novel Cyclic Peptide from the Toxic Cyanobacterium Nostoc sp. 152.

✍ Scribed by Kiyonaga Fujii; Kaarina Sivonen; Tatsuki Kashiwagi; Kazuo Hirayama; Ken-Ichi Harada

Publisher: John Wiley and Sons
Year: 2010
Weight: 30 KB
Volume: 30
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199948208

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✦ Synopsis

Nostophycin, a Novel Cyclic Peptide from the Toxic Cyanobacterium Nostoc sp. 152.

-Amino acid sequence and structure of nostophycin (I), isolated as secondary metabolite from the title species together with microcystins, are elucidated by 2D-NMR and MS/MS spectroscopic studies. The absolute configuration of this novel cyclic peptide is determined by the advanced Marfey's method. Nostophycin seems to be biosynthetically related to microcystins because both have a β-amino acid and two D-amino acids in common.

-(FUJII, KIYONAGA; SIVONEN, KAARINA; KASHIWAGI,

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