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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:pregnenolone
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Accession:CHEBI:16581 term browser browse the term
Definition:A 20-oxo steroid that is pregn-5-ene substituted by a beta-hydroxy group at position 3 and an oxo group at position 20.
Synonyms:related_synonym: (3BETA)-3-HYDROXYPREGN-5-EN-20-ONE;   3beta-Hydroxypregn-5-en-20-one;   5-Pregnen-3beta-ol-20-one;   Formula=C21H32O2;   InChI=1S/C21H32O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h4,15-19,23H,5-12H2,1-3H3/t15-,16-,17+,18-,19-,20-,21+/m0/s1;   InChIKey=ORNBQBCIOKFOEO-QGVNFLHTSA-N;   SMILES=[H][C@@]12CC=C3C[C@@H](O)CC[C@]3(C)[C@@]1([H])CC[C@]1(C)[C@H](CC[C@@]21[H])C(C)=O
 alt_id: CHEBI:14881;   CHEBI:26241;   CHEBI:45027;   CHEBI:8388;   CHEBI:86573
 xref: Beilstein:2059026;   CAS:145-13-1;   DrugBank:DB02789;   HMDB:HMDB0000253;   KEGG:C01953;   KEGG:D00143;   LINCS:LSM-5550;   LIPID_MAPS_instance:LMST02030088
 xref_mesh: MESH:D011284
 xref: PDBeChem:PLO;   PMID:23572091;   PMID:24385629;   Reaxys:2059026;   Wikipedia:Pregnenolone



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Your selection has 2072 annotated objects. The maximum number of objects that can be shown is 2000. The list is too large to display.

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    Path 1
    Term Annotations click to browse term
      CHEBI ontology 19918
        chemical entity 19916
          atom 19916
            nonmetal atom 19852
              carbon atom 19806
                organic molecular entity 19806
                  lipid 17957
                    steroid 14707
                      C21-steroid 4429
                        pregnenolone 2072
                          11beta,17alpha,21-trihydroxypregnenolone 0
                          16,17-didehydropregnenolone + 0
                          17alpha,21-dihydroxypregnenolone 0
                          7-ketopregnenolone 0
                          7alpha-hydroxypregnenolone 0
                          7beta-hydroxypregnenolone 0
                          hydroxypregnenolone + 1
                          pregnenolone 16alpha-carbonitrile 2057
                          pregnenolone 3-beta-D-glucoside 0
                          pregnenolone sulfate 6
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19918
        subatomic particle 19916
          composite particle 19916
            hadron 19916
              baryon 19916
                nucleon 19916
                  atomic nucleus 19916
                    atom 19916
                      main group element atom 19866
                        p-block element atom 19866
                          carbon group element atom 19811
                            carbon atom 19806
                              organic molecular entity 19806
                                organic molecule 19758
                                  organic cyclic compound 19565
                                    organic polycyclic compound 17279
                                      steroid 14707
                                        hydroxy steroid 14451
                                          3-hydroxy steroid 12787
                                            3beta-hydroxy steroid 2533
                                              3beta-hydroxy-Delta(5)-steroid 2365
                                                pregnenolone 2072
                                                  11beta,17alpha,21-trihydroxypregnenolone 0
                                                  16,17-didehydropregnenolone + 0
                                                  17alpha,21-dihydroxypregnenolone 0
                                                  7-ketopregnenolone 0
                                                  7alpha-hydroxypregnenolone 0
                                                  7beta-hydroxypregnenolone 0
                                                  hydroxypregnenolone + 1
                                                  pregnenolone 16alpha-carbonitrile 2057
                                                  pregnenolone 3-beta-D-glucoside 0
                                                  pregnenolone sulfate 6
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