The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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.
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).