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 role played by a stable paramagnetic group that is attached to a part of a molecular entity whose microscopic environment is of interest and may be revealed by the electron spin resonance (ESR) spectroscopy.
4-amino-TEMPO inhibits the reaction [MPO protein results in increased chemical synthesis of Hypochlorous Acid]; 4-amino-TEMPO inhibits the reaction [MPO protein results in increased degradation of Hydrogen Peroxide]; 4-amino-TEMPO inhibits the reaction [MPO protein results in increased oxidation of Nitric Oxide]; Heparin inhibits the reaction [4-amino-TEMPO inhibits the reaction [MPO protein results in increased chemical synthesis of Hypochlorous Acid]]