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keramamide K


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  • Norine ID: NOR00584
  • DOI: 10.26097/nor00584
  • Family: keramamide
  • Synonym(s): keramamide K;
  • Activity: toxin
  • Class: peptide
  • Formula: C44H60N10O11S
  • Monoisotopic mass: 936.416373512 g/mol
  • Comment: Keramamides are putative NRPS products (no synthetase genes identified)
  • 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: partial cyclic
  • Number of monomers: 8
  • Smiles: CCC(C)[C@H]1C(=O)C(=O)N[C@H](C2=NC(=CS2)/C=C/C(=O)N[C@H](C(=O)NC[C@@H](C(=O)N[C@H](C(=O)N1)C)NC(=O)[C@H](C(C)CC)NC(=O)[C@@H](CNC=O)O)CC3=CN(C4=CC=CC=C43)C)COC

  • Graph inference:



  • Monomeric composition :
    1
    NFo-Iser
    2
    Ile
    3
    Dpr
    4
    Ala
    5
    Ile
    6
    CO
    7
    PMST
    8
    1Me-Trp
  • Graph representation: NFo-Iser,Ile,Dpr,Ala,Ile,CO,PMST,1Me-Trp @1 @0,2 @1,3,7 @2,4 @3,5 @4,6 @5,7 @2,6

  • Atomic structure:
  • Chemical structure
    rBAN vizualisation:
  • Theonella sp.
  • gram:
  • synonyms:
  • taxid: 73791 (view NCBI taxonomy browser)

  • Links between organisms producing the keramamide K: Theonella sp.
  • Keramamides K and L, new cyclic peptides containing unusual tryptophan residue from Theonella sponge
    Takao T, Shimonishi Y, Kobayashi JI, Tsuda M, Ishiyama H, Masuko K, Tetrahedron , 1999, 55 (43), pp. 12543-12548


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