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CHEBI ONTOLOGY - ANNOTATIONS

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.
Term:hydroxypregnenolone
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Accession:CHEBI:36730 term browser browse the term
Definition:A C21-steroid that is pregnenolone in which a hydrogen attached to a carbon is substituted by a hydroxy group.
Synonyms:related_synonym: Formula=C21H32O3


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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 5163
    chemical entity 5163
      group 5142
        inorganic group 4950
          oxo group 4751
            organic oxo compound 4751
              carbonyl compound 4751
                ketone 4458
                  hydroxypregnenolone 0
                    16alpha,17alpha-dihydroxypregnenolone 0
                    16alpha-hydroxypregnenolone 0
                    17alpha-hydroxypregnenolone + 0
                    21-hydroxypregnenolone + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 5163
    subatomic particle 5154
      composite particle 5154
        hadron 5154
          baryon 5154
            nucleon 5154
              atomic nucleus 5154
                atom 5154
                  main group element atom 5126
                    p-block element atom 5123
                      carbon group element atom 5041
                        carbon atom 5040
                          organic molecular entity 5040
                            organic molecule 4989
                              organic cyclic compound 4930
                                organic polycyclic compound 194
                                  steroid 110
                                    hydroxy steroid 78
                                      3-hydroxy steroid 41
                                        3beta-hydroxy steroid 11
                                          3beta-hydroxy-Delta(5)-steroid 7
                                            pregnenolone 1
                                              hydroxypregnenolone 0
                                                16alpha,17alpha-dihydroxypregnenolone 0
                                                16alpha-hydroxypregnenolone 0
                                                17alpha-hydroxypregnenolone + 0
                                                21-hydroxypregnenolone + 0
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