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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC 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.

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Accession:CHEBI:35223 term browser browse the term
Definition:A substance that increases the rate of a reaction without modifying the overall standard Gibbs energy change in the reaction.
Synonyms:related_synonym: Katalysator;   catalizador;   catalyseur

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  CHEBI ontology 19785
    role 19732
      chemical role 19248
        catalyst 8048
          N,N,N',N'-tetramethylethylenediamine 0
          greigite 0
          iron(3+) sulfate + 4
          iron(3+) sulfate hydrate 0
          palladium(II) chloride 1
          phase-transfer catalyst + 5
          phosphine + 6
          piperidine + 100
          platinum dichloride + 0
          potassium carbonate 0
          pyrite 0
          sulfuric acid + 8009
          yttrium chloride 0
          zirconium tetrachloride 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.