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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:71601 term browser browse the term
Definition:A iron chelate in which the four oxygen atoms from pulcherriminic acid are coordinated with two iron atoms. A red extracellular pigment formed by a number of species of bacteria and some species of yeast after growth in media enriched in iron(III).
Synonyms:exact_synonym: mu-[1,2-di(hydroxy-1kappaO)-4,5-di(hydroxy-2kappaO)-3,6-diisobutylpyrazinediiumato(4-)]diiron(2+)
 related_synonym: Formula=C12H18Fe2N2O4;   InChI=1S/C12H20N2O4.2Fe/c1-7(2)5-9-11(15)14(18)10(6-8(3)4)12(16)13(9)17;;/h7-8,15-16H,5-6H2,1-4H3;;/q;2*+2/p-2;   InChIKey=XENTWZJLVFFYPY-UHFFFAOYSA-L;   SMILES=CC(C)Cc1c2O[Fe]O[n+]2c(CC(C)C)c2O[Fe]O[n+]12
 xref: PMID:16589308;   PMID:17387878;   PMID:19678547;   PMID:20690619;   PMID:21325056;   PMID:4968608

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19840
    role 19790
      biological role 19790
        biophysical role 12652
          biological pigment 1050
            pulcherrimin 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19840
    subatomic particle 19838
      composite particle 19838
        hadron 19838
          baryon 19838
            nucleon 19838
              atomic nucleus 19838
                atom 19838
                  main group element atom 19730
                    p-block element atom 19730
                      carbon group element atom 19635
                        carbon atom 19624
                          organic molecular entity 19624
                            organic molecule 19555
                              organic cyclic compound 19364
                                organic heterocyclic compound 18482
                                  organic heteromonocyclic compound 16591
                                    diazines 12199
                                      pyrazines 1039
                                        pyrazine N-oxide 0
                                          pulcherriminic acid 0
                                            pulcherrimin 0
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