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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 24382
    role 24293
      biological role 24260
        biophysical role 13240
          biological pigment 1072
            pulcherrimin 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 24382
    subatomic particle 24339
      composite particle 24339
        hadron 24339
          baryon 24339
            nucleon 24339
              atomic nucleus 24339
                atom 24339
                  main group element atom 24188
                    p-block element atom 24188
                      carbon group element atom 23967
                        carbon atom 23924
                          organic molecular entity 23924
                            organic molecule 23803
                              organic cyclic compound 23079
                                organic heterocyclic compound 21175
                                  organic heteromonocyclic compound 17531
                                    diazines 12299
                                      pyrazines 1067
                                        pyrazine N-oxide 0
                                          pulcherriminic acid 0
                                            pulcherrimin 0
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