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.
Tetraanion of lipid A arising from deprotonation of both phosphate functions (R can be either hydrogen or a fatty acyl group).
Synonyms:
related_synonym:
Formula=C12H18N2O15P2R4; SMILES=[C@H]1(OP(=O)([O-])[O-])[C@H](O*)[C@@H](N*)[C@@H](O[C@@H]1CO)OC[C@@H]2[C@H]([C@@H]([C@H]([C@H](O2)OP(=O)([O-])[O-])N*)O*)O; lipid A