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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 19812
        chemical entity 19810
          atom 19810
            nonmetal atom 19744
              carbon atom 19693
                organic molecular entity 19693
                  lipid 17839
                    steroid 14405
                      C21-steroid 4000
                        11,21-dioxoprogesterone 0
                        17,20-dihydroxypregn-4-en-3-one + 1
                        17alpha-hydroxy-C21-steroid + 278
                        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 + 2751
                        Delta(6)-prednisolone 0
                        Delta(6)-prednisone 0
                        algestone + 0
                        corticosterone + 348
                        cortisone + 25
                        fludrocortisone + 18
                        hydroxypregnenolone + 1
                        prednisolone + 237
                        prednisone + 39
                        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 + 1567
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19812
        subatomic particle 19810
          composite particle 19810
            hadron 19810
              baryon 19810
                nucleon 19810
                  atomic nucleus 19810
                    atom 19810
                      main group element atom 19755
                        p-block element atom 19755
                          carbon group element atom 19698
                            carbon atom 19693
                              organic molecular entity 19693
                                organic molecule 19651
                                  organic cyclic compound 19457
                                    organic polycyclic compound 17199
                                      steroid 14405
                                        C21-steroid 4000
                                          11,21-dioxoprogesterone 0
                                          17,20-dihydroxypregn-4-en-3-one + 1
                                          17alpha-hydroxy-C21-steroid + 278
                                          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 + 2751
                                          Delta(6)-prednisolone 0
                                          Delta(6)-prednisone 0
                                          algestone + 0
                                          corticosterone + 348
                                          cortisone + 25
                                          fludrocortisone + 18
                                          hydroxypregnenolone + 1
                                          prednisolone + 237
                                          prednisone + 39
                                          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 + 1567
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