Literature DB >> 20349940

Stylissamides E and F, cyclic heptapeptides from the caribbean sponge Stylissa caribica.

Christine Cychon1, Matthias Köck.   

Abstract

In addition to the four known stylissamides, A (1), B (2), C, and D, two new cyclic heptapeptides, stylissamides E (3) and F (4), were isolated from the Caribbean sponge Stylissa caribica. The structures of 3 and 4 were elucidated from a combination of mass spectrometric and NMR spectroscopic data as cyclo-(cis-Pro(1)-Tyr(2)-trans-Pro(3)-Ala(4)-Ile(5)-Gln(6)-Ile(7)) for stylissamide E (3) and cyclo-(trans-Pro(1)-cis-Pro(2)-Phe(3)-Asp(4)-trans-Pro(5)-Arg(6)-Phe(7)) for stylissamide F (4).

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Year:  2010        PMID： 20349940     DOI： 10.1021/np900664f

Source DB:  PubMed          Journal:  J Nat Prod        ISSN： 0163-3864            Impact factor:   4.050


  7 in total

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6.  Structures and solution conformational dynamics of stylissamides G and H from the Bahamian sponge Stylissa caribica.

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7.  New Tricks with an Old Sponge: Feature-Based Molecular Networking Led to Fast Identification of New Stylissamide L from Stylissa caribica.

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  7 in total

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