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kapakahine G


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  • Norine ID: NOR00484
  • Family: kapakahine
  • Synonym(s): kapakahine G;
  • Activity: toxin
  • Class: peptide
  • Formula: C55H66N10O9S
  • Monoisotopic mass: 1042.47349446 g/mol
  • Comment: Kapakahines share a unique structural feature: two tryptophan residues (Trp-1 and -2) are not linked by an amide bond but by a N-C bond from the indole nitrogen of Trp-1 to the indole carbon of Trp-2.
  • Source: norine
  • Contributor (creation): Norine Team [CRIStAL (UMR CNRS 9189), ex-LIFL, France, Charles Viollette Institute, ProBioGEM team, Lille, France, University of Lille, France]
  • Entry information:
    • status: putative
    • last modification date: 2018-12-01 by Emma Ricart Altimiras [Swiss Institute of Bioinformatics, SIB]
    • view all entry history
  • Type: other
  • Number of monomers: 8
  • Smiles: C[C@H]([C@H]1C(=O)N[C@H]2C[C@@]3([C@@H]4N(C2=O)[C@H](C(=O)N4C5=CC=CC=C53)CC6=CC=CC=C6)N7C=C(C[C@@H](C(=O)N[C@H](C(=O)N8CCC[C@H]8C(=O)N[C@H](C(=O)N9CCC[C@H]9C(=O)N1)C(C)C)CCS(=O)C)N)C1=CC=CC=C17)O

  • Graph inference:



  • Monomeric composition :
    1
    Phe
    2
    Trp
    3
    Thr
    4
    Pro
    5
    Val
    6
    Pro
    7
    O-Met
    8
    Trp
  • Graph representation: Phe,Trp,Thr,Pro,Val,Pro,O-Met,Trp @1,1 @0,0,2,7 @1,3 @2,4 @3,5 @4,6 @5,7 @1,6

  • Atomic structure:
    Chemical structure
  • Cribrochalina olemda

  • Links between organisms producing the kapakahine G: Cribrochalina olemda
  • More kapakahines from the marine sponge Cribrochalina olemda
    Kelly MT, Scheuer PJ, Nakao Y, Yoshida WY, Kuo J, Organic letters , 2003, May 1,5(9):1387-90.
    pubMed: 12713280


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