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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:C21-steroid
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Accession:CHEBI:61313 term browser browse the term
Definition:A steroid that has a structure based on a 21-carbon (pregnane) skeleton. Note that individual examples may have ring substituents at other positions and/or contain double bonds, aromatic A-rings, expanded/contracted rings etc., so the formula and mass may vary from that given for the generic structure.
Synonyms:related_synonym: Formula=C21H36;   InChI=1S/C21H36/c1-4-15-9-11-18-17-10-8-16-7-5-6-13-20(16,2)19(17)12-14-21(15,18)3/h15-19H,4-14H2,1-3H3;   InChIKey=JWMFYGXQPXQEEM-UHFFFAOYSA-N;   SMILES=C1CCCC2C1(C3C(CC2)C4C(CC3)(C(CC4)CC)C)C;   a C21-steroid


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    Path 1
    Term Annotations click to browse term
      CHEBI ontology 19911
        chemical entity 19909
          atom 19909
            nonmetal atom 19832
              carbon atom 19785
                organic molecular entity 19785
                  lipid 17995
                    steroid 14705
                      C21-steroid 4435
                        11,21-dioxoprogesterone 0
                        16-hydroxyprednisolone + 0
                        17,20-dihydroxypregn-4-en-3-one + 1
                        17alpha-hydroxy-C21-steroid + 280
                        17alpha-hydroxypregn-5-ene-3,20-dione 0
                        20-hydroxy-3-oxopregn-4-en-21-al 0
                        20-hydroxypregn-4-en-3-one + 10
                        20alpha-dihydroprednisolone 0
                        20alpha-dihydroprednisone 0
                        20beta-dihydroprednisolone 0
                        20beta-dihydroprednisone 0
                        20beta-hydroxycortisone 0
                        21-dehydrocortisol 0
                        21-dehydrocortisone 0
                        21-hydroxy-C21-steroid 0
                        3-hydroxypregnan-20-one + 30
                        3alpha,17alpha-dihydroxy-5beta-pregnan-20-one 0
                        3beta-hydroxy-16alpha,17alpha-epoxypregnenolone + 0
                        4-pregnen-3beta,20alpha-diol 0
                        4-pregnen-3beta-ol-20-one 0
                        5alpha-pregnane + 14
                        5beta-pregn-11-ene-3,20-dione 0
                        5beta-pregnane + 30
                        5beta-pregnane-3,20-dione 0
                        6alpha-hydroxyprednisolone 0
                        6alpha-hydroxyprednisone 0
                        6beta,16alpha,17alpha-trihydroxyprogesterone 0
                        6beta-hydroxycortisol 1
                        6beta-hydroxycortisone 0
                        6beta-hydroxyprednisolone 0
                        6beta-hydroxyprednisone 0
                        7-ketopregnenolone 0
                        7alpha-hydroxypregnenolone 0
                        7beta-hydroxypregnenolone 0
                        9,11alpha-epoxypregn-4-ene-3,20-dione 0
                        C21-steroid hormone + 2749
                        Delta(6)-prednisolone 0
                        Delta(6)-prednisone 0
                        algestone + 0
                        corticosterone + 357
                        cortisone + 25
                        fludrocortisone + 19
                        hydroxypregnenolone + 1
                        prednisolone + 241
                        prednisone + 63
                        pregn-4-en-3-one 0
                        pregn-5-ene-3,20-dione 0
                        pregna-4,9(11)-diene-3,20-dione 0
                        pregnan-21-al 0
                        pregnan-21-ol 0
                        pregnenolone + 2068
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19911
        subatomic particle 19909
          composite particle 19909
            hadron 19880
              baryon 19880
                nucleon 19909
                  atomic nucleus 19880
                    atom 19909
                      main group element atom 19849
                        p-block element atom 19849
                          carbon group element atom 19766
                            carbon atom 19785
                              organic molecular entity 19785
                                organic molecule 19737
                                  organic cyclic compound 19526
                                    organic polycyclic compound 17311
                                      steroid 14705
                                        C21-steroid 4435
                                          11,21-dioxoprogesterone 0
                                          16-hydroxyprednisolone + 0
                                          17,20-dihydroxypregn-4-en-3-one + 1
                                          17alpha-hydroxy-C21-steroid + 280
                                          17alpha-hydroxypregn-5-ene-3,20-dione 0
                                          20-hydroxy-3-oxopregn-4-en-21-al 0
                                          20-hydroxypregn-4-en-3-one + 10
                                          20alpha-dihydroprednisolone 0
                                          20alpha-dihydroprednisone 0
                                          20beta-dihydroprednisolone 0
                                          20beta-dihydroprednisone 0
                                          20beta-hydroxycortisone 0
                                          21-dehydrocortisol 0
                                          21-dehydrocortisone 0
                                          21-hydroxy-C21-steroid 0
                                          3-hydroxypregnan-20-one + 30
                                          3alpha,17alpha-dihydroxy-5beta-pregnan-20-one 0
                                          3beta-hydroxy-16alpha,17alpha-epoxypregnenolone + 0
                                          4-pregnen-3beta,20alpha-diol 0
                                          4-pregnen-3beta-ol-20-one 0
                                          5alpha-pregnane + 14
                                          5beta-pregn-11-ene-3,20-dione 0
                                          5beta-pregnane + 30
                                          5beta-pregnane-3,20-dione 0
                                          6alpha-hydroxyprednisolone 0
                                          6alpha-hydroxyprednisone 0
                                          6beta,16alpha,17alpha-trihydroxyprogesterone 0
                                          6beta-hydroxycortisol 1
                                          6beta-hydroxycortisone 0
                                          6beta-hydroxyprednisolone 0
                                          6beta-hydroxyprednisone 0
                                          7-ketopregnenolone 0
                                          7alpha-hydroxypregnenolone 0
                                          7beta-hydroxypregnenolone 0
                                          9,11alpha-epoxypregn-4-ene-3,20-dione 0
                                          C21-steroid hormone + 2749
                                          Delta(6)-prednisolone 0
                                          Delta(6)-prednisone 0
                                          algestone + 0
                                          corticosterone + 357
                                          cortisone + 25
                                          fludrocortisone + 19
                                          hydroxypregnenolone + 1
                                          prednisolone + 241
                                          prednisone + 63
                                          pregn-4-en-3-one 0
                                          pregn-5-ene-3,20-dione 0
                                          pregna-4,9(11)-diene-3,20-dione 0
                                          pregnan-21-al 0
                                          pregnan-21-ol 0
                                          pregnenolone + 2068
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