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 divalent group consisting of beta-D-glucuronosyl and beta-D-glucosyloxy residues linked (1->4) with attachment points at the glucuronosyl O-3 and glucosyl O-1 atoms. The ST3 repeating unit of Streptococcus pneumoniae serotype 3.