Homotyrosine-Containing Cyanopeptolins 880 and 960 and Anabaenopeptins 908 and 915 from Planktothrix agardhii CYA 126/8

Two homotyrosine-bearing cyanopeptolins are described from Planktothrix agardhii CYA 126/8. The compounds feature a common homotyrosine-containing cyclohexadepsipeptide and differ by sulfation of an exocyclically located 2-O-methyl- d -glyceric acid residue. In addition we describe two anabaenopepti...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 2009-01, Vol.72 (1), p.172-176
Hauptverfasser:	Okumura, Hilary S, Philmus, Benjamin, Portmann, Cyril, Hemscheidt, Thomas K
Format:	Artikel
Sprache:	eng
Schlagworte:	anabaenopeptin Bacteriology Biological and medical sciences chemical structure Cyanobacteria - chemistry cyanopeptolin cyclic peptides cyclohexadepsipeptide Depsipeptides Fundamental and applied biological sciences. Psychology Hawaii Microbiology microcystins Molecular Structure Morphology, structure, chemical composition Nuclear Magnetic Resonance, Biomolecular Peptides, Cyclic - chemistry Peptides, Cyclic - isolation & purification Planktothrix agardhii spectral analysis tyrosine Tyrosine - analogs & derivatives Tyrosine - chemistry
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Zusammenfassung:	Two homotyrosine-bearing cyanopeptolins are described from Planktothrix agardhii CYA 126/8. The compounds feature a common homotyrosine-containing cyclohexadepsipeptide and differ by sulfation of an exocyclically located 2-O-methyl- d -glyceric acid residue. In addition we describe two anabaenopeptins, which contain two homotyrosine residues, one of which is N-methylated. The anabaenopeptins have a common cyclopentapeptide portion and differ in the amino acid linked to it via an ureido bond, arginine and tyrosine, respectively.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np800557m