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 hydroxyindole that is 2H-pyrrol-2-one which is substituted at positions 3 and 5 by 1H-indol-3-yl and 5-hydroxy-1H-indol-3-yl groups, respectively. It is an intermediate in the biosynthesis of the purple chromobacterial pigment violacein from L-tryptophan.