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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:136768 term browser browse the term
Definition:A brassinosteroid that is 24-epi-cathasterone on which the hydroxy hydrogen at position 22 has been replaced by a sulfo group.
Synonyms:exact_synonym: (22S)-3beta-hydroxy-6-oxo-5alpha-ergostan-22-yl hydrogen sulfate
 related_synonym: (3beta,5alpha,22S)-3-hydroxy-6-oxoergostan-22-yl hydrogen sulfate;   24-epi-cathasterone-22-sulfate;   24-epicathasterone-22-O-sulfate;   Formula=C28H48O6S;   InChI=1S/C28H48O6S/c1-16(2)17(3)13-26(34-35(31,32)33)18(4)21-7-8-22-20-15-25(30)24-14-19(29)9-11-28(24,6)23(20)10-12-27(21,22)5/h16-24,26,29H,7-15H2,1-6H3,(H,31,32,33)/t17-,18-,19-,20-,21+,22-,23-,24+,26-,27+,28+/m0/s1;   InChIKey=MMHKTOGFTDNQOU-QDUMAPLTSA-N;   SMILES=C1[C@@]2([C@]3(CC[C@]4([C@]([C@@]3(CC([C@]2(C[C@H](C1)O)[H])=O)[H])(CC[C@@]4([C@@H]([C@H](C[C@@H](C(C)C)C)OS(O)(=O)=O)C)[H])[H])C)[H])C

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  CHEBI ontology 19786
    role 19732
      biological role 19732
        biochemical role 19333
          metabolite 19312
            eukaryotic metabolite 18980
              plant metabolite 17457
                Brassica napus metabolite 29
                  24-epi-cathasterone-22-O-sulfate 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19786
    subatomic particle 19784
      composite particle 19784
        hadron 19784
          baryon 19784
            nucleon 19784
              atomic nucleus 19784
                atom 19784
                  main group element atom 19675
                    p-block element atom 19675
                      chalcogen 19413
                        oxygen atom 19378
                          oxygen molecular entity 19378
                            hydroxides 19103
                              oxoacid 18350
                                chalcogen oxoacid 11503
                                  sulfur oxoacid 11111
                                    sulfuric acid 8021
                                      sulfuric acid derivative 8021
                                        sulfates 8017
                                          organic sulfate 1946
                                            steroid sulfate 61
                                              24-epi-cathasterone-22-O-sulfate 0
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