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.
An organic sodium salt which is the monosodium salt of callysponginol sulfonic acid A. It is isolated from the marine sponge Callyspongia truncata as a membrane type 1 matrix metalloproteinase (MT1-MMP) inhibitor.