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 polysaccharide-derived antigen composed of a backbone of penta-(4,6-dideoxy-4-formamido-D-mannopyranose) repeating units that are joined to each other via alpha-(1->2)-linkages.
Synonyms:
related_synonym:
Brucella species O-PS M-antigen; Formula=(C35H55N5O21)n