<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-09-30 22:48:00 UTC</creation_date>
  <update_date>2020-06-04 20:42:59 UTC</update_date>
  <accession>BMDB0001830</accession>
  <secondary_accessions>
    <accession>BMDB01830</accession>
  </secondary_accessions>
  <name>Progesterone</name>
  <description>Progesterone, also known as gesterol or corlutin, belongs to the class of organic compounds known as gluco/mineralocorticoids, progestogins and derivatives. These are steroids with a structure based on a hydroxylated prostane moiety. Thus, progesterone is considered to be a steroid lipid molecule. Progesterone is a drug which is used for progesterone supplementation or replacement as part of an assisted reproductive technology (art) treatment for infertile women with progesterone deficiency and for the treatment of secondary amenorrhea. also used for the reduction of the incidence of endometrial hyperplasia and the attendant risk of endometrial carcinoma in postmenopausal women receiving estrogen replacement therapy, as well as treatment of abnormal uterine bleeding due to hormonal imbalance in the absence of organic pathology such as fibroids or uterine cancer. Progesterone exists as a solid, very hydrophobic, practically insoluble (in water), and relatively neutral molecule. Progesterone exists in all living organisms, ranging from bacteria to humans. Progesterone participates in a number of enzymatic reactions, within cattle. In particular, Progesterone can be converted into deoxycorticosterone; which is mediated by the enzyme steroid 21-hydroxylase. In addition, Progesterone can be biosynthesized from pregnenolone; which is mediated by the enzyme 3-beta-HSD 1. In cattle, progesterone is involved in the metabolic pathway called the steroidogenesis pathway. Progesterone is a potentially toxic compound.</description>
  <synonyms>
    <synonym>(S)-4-Pregnene-3,20-dione</synonym>
    <synonym>(S)-Pregn-4-en-3,20-dione</synonym>
    <synonym>(S)-Progesterone</synonym>
    <synonym>17alpha-Progesterone</synonym>
    <synonym>4-Pregnene-3,20-dione</synonym>
    <synonym>Agolutin</synonym>
    <synonym>Akrolutin</synonym>
    <synonym>Corpus luteum hormone</synonym>
    <synonym>Crinone</synonym>
    <synonym>Delta(4)-Pregnene-3,20-dione</synonym>
    <synonym>Gelbkoerperhormon</synonym>
    <synonym>Luteohormone</synonym>
    <synonym>Progesteron</synonym>
    <synonym>Prometrium</synonym>
    <synonym>17a-Progesterone</synonym>
    <synonym>17Α-progesterone</synonym>
    <synonym>Δ(4)-pregnene-3,20-dione</synonym>
    <synonym>3,20-Pregnene-4</synonym>
    <synonym>4-Pregnen-3,20-dione</synonym>
    <synonym>beta-Progesterone</synonym>
    <synonym>Bio-luton</synonym>
    <synonym>CIDR</synonym>
    <synonym>Colprosterone</synonym>
    <synonym>Corlutin</synonym>
    <synonym>Corlutina</synonym>
    <synonym>Corluvite</synonym>
    <synonym>Corporin</synonym>
    <synonym>Crinone progesterone gel</synonym>
    <synonym>Curretab</synonym>
    <synonym>Cyclogest</synonym>
    <synonym>Cyclogesterin</synonym>
    <synonym>D4-Pregnene-3,20-dione</synonym>
    <synonym>Delalutin</synonym>
    <synonym>Duraprogen</synonym>
    <synonym>Estima</synonym>
    <synonym>Flavolutan</synonym>
    <synonym>Fologenon</synonym>
    <synonym>Gesterol</synonym>
    <synonym>Gesterol 100</synonym>
    <synonym>Gesterol 50</synonym>
    <synonym>Gestiron</synonym>
    <synonym>Gestone</synonym>
    <synonym>Gestormone</synonym>
    <synonym>Gestron</synonym>
    <synonym>Glanducorpin</synonym>
    <synonym>Gynlutin</synonym>
    <synonym>Gynoluton</synonym>
    <synonym>Gynolutone</synonym>
    <synonym>Hormoflaveine</synonym>
    <synonym>Hormoluton</synonym>
    <synonym>Hydroxyprogesterone caproate</synonym>
    <synonym>Hydroxyprogesterone caproic acid</synonym>
    <synonym>Lingusorbs</synonym>
    <synonym>Lipo-lutin</synonym>
    <synonym>Lucorteum</synonym>
    <synonym>Lucorteum sol</synonym>
    <synonym>Lugesteron</synonym>
    <synonym>Luteal hormone</synonym>
    <synonym>Luteocrin normale</synonym>
    <synonym>Luteodyn</synonym>
    <synonym>Luteogan</synonym>
    <synonym>Luteol</synonym>
    <synonym>Luteopur</synonym>
    <synonym>Luteosan</synonym>
    <synonym>Luteostab</synonym>
    <synonym>Luteovis</synonym>
    <synonym>Luteum</synonym>
    <synonym>Lutex</synonym>
    <synonym>Lutidon</synonym>
    <synonym>Lutociclina</synonym>
    <synonym>Lutocuclin m</synonym>
    <synonym>Lutocyclin</synonym>
    <synonym>Lutocyclin m</synonym>
    <synonym>Lutocylin</synonym>
    <synonym>Lutocylol</synonym>
    <synonym>Lutoform</synonym>
    <synonym>Lutogyl</synonym>
    <synonym>Lutren</synonym>
    <synonym>Lutromone</synonym>
    <synonym>Membrettes</synonym>
    <synonym>Methylpregnone</synonym>
    <synonym>MPA</synonym>
    <synonym>Nalutron</synonym>
    <synonym>Percutacrine</synonym>
    <synonym>Percutacrine luteinique</synonym>
    <synonym>Piaponon</synonym>
    <synonym>Pranone</synonym>
    <synonym>Pregn-4-en-3,20-dione</synonym>
    <synonym>Pregn-4-ene-3,20-dione</synonym>
    <synonym>Pregnene-3,20-dione</synonym>
    <synonym>Pregnenedione</synonym>
    <synonym>Primolut</synonym>
    <synonym>Prochieve</synonym>
    <synonym>Progeffik</synonym>
    <synonym>Progekan</synonym>
    <synonym>Progestan</synonym>
    <synonym>Progestasert</synonym>
    <synonym>Progesterol</synonym>
    <synonym>Progesteronum</synonym>
    <synonym>Progestin</synonym>
    <synonym>Progestogel</synonym>
    <synonym>Progestol</synonym>
    <synonym>Progeston</synonym>
    <synonym>Progestone</synonym>
    <synonym>Progestosol</synonym>
    <synonym>Progestron</synonym>
    <synonym>Progestronol</synonym>
    <synonym>Projestaject</synonym>
    <synonym>Prolets</synonym>
    <synonym>Prolidon</synonym>
    <synonym>Prolutin</synonym>
    <synonym>Proluton</synonym>
    <synonym>Prolutone</synonym>
    <synonym>Prontogest</synonym>
    <synonym>Protormone</synonym>
    <synonym>Syngesterone</synonym>
    <synonym>Syngestrets</synonym>
    <synonym>Synovex S</synonym>
    <synonym>Syntolutan</synonym>
    <synonym>Utrogest</synonym>
    <synonym>Utrogestan</synonym>
    <synonym>Vitarrine</synonym>
    <synonym>Progesterone, (13 alpha,17 alpha)-(+-)-isomer</synonym>
    <synonym>Progesterone, (17 alpha)-isomer</synonym>
    <synonym>Progesterone, (9 beta,10 alpha)-isomer</synonym>
  </synonyms>
  <chemical_formula>C21H30O2</chemical_formula>
  <average_molecular_weight>314.4617</average_molecular_weight>
  <monisotopic_moleculate_weight>314.224580204</monisotopic_moleculate_weight>
  <iupac_name>(1S,2R,10S,11S,14S,15S)-14-acetyl-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-one</iupac_name>
  <traditional_iupac>(1S,2R,10S,11S,14S,15S)-14-acetyl-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-one</traditional_iupac>
  <cas_registry_number>57-83-0</cas_registry_number>
  <smiles>[H][C@@]12CC[C@H](C(C)=O)[C@@]1(C)CC[C@@]1([H])[C@@]2([H])CCC2=CC(=O)CC[C@]12C</smiles>
  <inchi>InChI=1S/C21H30O2/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/h12,16-19H,4-11H2,1-3H3/t16-,17+,18-,19-,20-,21+/m0/s1</inchi>
  <inchikey>RJKFOVLPORLFTN-LEKSSAKUSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as gluco/mineralocorticoids, progestogins and derivatives. These are steroids with a structure based on a hydroxylated prostane moiety.</description>
    <kingdom>Organic compounds</kingdom>
    <super_class>Lipids and lipid-like molecules</super_class>
    <class>Steroids and steroid derivatives</class>
    <sub_class>Pregnane steroids</sub_class>
    <direct_parent>Gluco/mineralocorticoids, progestogins and derivatives</direct_parent>
    <alternative_parents>
      <alternative_parent>20-oxosteroids</alternative_parent>
      <alternative_parent>3-oxo delta-4-steroids</alternative_parent>
      <alternative_parent>Cyclohexenones</alternative_parent>
      <alternative_parent>Delta-4-steroids</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>20-oxosteroid</substituent>
      <substituent>3-oxo-delta-4-steroid</substituent>
      <substituent>3-oxosteroid</substituent>
      <substituent>Aliphatic homopolycyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Cyclic ketone</substituent>
      <substituent>Cyclohexenone</substituent>
      <substituent>Delta-4-steroid</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Ketone</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Oxosteroid</substituent>
      <substituent>Progestogin-skeleton</substituent>
    </substituents>
    <molecular_framework>Aliphatic homopolycyclic compounds</molecular_framework>
    <external_descriptors>
      <external_descriptor>20-oxo steroid</external_descriptor>
      <external_descriptor>3-oxo Delta(4)-steroid</external_descriptor>
      <external_descriptor>C21 steroids (gluco/mineralocorticoids, progestogins) and derivatives</external_descriptor>
      <external_descriptor>C21-steroid hormone</external_descriptor>
      <external_descriptor>Pregnane and derivatives [Fig]</external_descriptor>
      <external_descriptor>Progestagens</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Solid</state>
    <property>
      <kind>melting_point</kind>
      <value>121 °C</value>
      <source/>
    </property>
    <property>
      <kind>water_solubility</kind>
      <value>0.00881 mg/mL at 25 °C</value>
      <source>YALKOWSKY,SH &amp; DANNENFELSER,RM (1992)</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>3.87</value>
      <source>HANSCH,C ET AL. (1995)</source>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>3.58</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-4.76</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>4.15</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>18.92</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>-4.8</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>(1S,2R,10S,11S,14S,15S)-14-acetyl-2,15-dimethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-one</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>314.4617</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>314.224580204</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>[H][C@@]12CC[C@H](C(C)=O)[C@@]1(C)CC[C@@]1([H])[C@@]2([H])CCC2=CC(=O)CC[C@]12C</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C21H30O2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C21H30O2/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/h12,16-19H,4-11H2,1-3H3/t16-,17+,18-,19-,20-,21+/m0/s1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>RJKFOVLPORLFTN-LEKSSAKUSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>34.14</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>92.71</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>37.26</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>physiological_charge</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formal_charge</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>number_of_rings</kind>
      <value>4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>bioavailability</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rule_of_five</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>ghose_filter</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>veber_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mddr_like_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <pathways>
    <pathway>
      <name>Steroidogenesis</name>
      <smpdb_id>SMP0087238</smpdb_id>
      <kegg_map_id/>
    </pathway>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1686</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1684</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1685</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1686</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5444</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>5445</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>258768</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>258769</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>258770</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>278706</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>278707</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>278708</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>374461</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>374700</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>374962</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>440850</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>440851</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>440852</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>440853</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>440854</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>440855</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>444006</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>444007</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>444008</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>444009</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>444010</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>2212</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>2217</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>22446</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>27515</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>28722</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>29898</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31351</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31352</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>31900</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>153226</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::EiMs</type>
      <spectrum_id>469</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1746</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>2490</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>3186</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
    <concentration>
      <biospecimen>Adipose Tissue</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Blood</biospecimen>
      <concentration_value>0.0922</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Detected by HPLC-MS/MS in Holstein cows.</comment>
      <references>
        <reference>
          <reference_text>Regal P, Nebot C, Diaz-Bao M, Barreiro R, Cepeda A, Fente C: Disturbance in sex-steroid serum profiles of cattle in response to exogenous estradiol: a screening approach to detect forbidden treatments. Steroids. 2011 Mar;76(4):365-75. doi: 10.1016/j.steroids.2010.12.005. Epub 2010 Dec 21.</reference_text>
          <pubmed_id>21172370</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Blood</biospecimen>
      <concentration_value>0.000594</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Detected by HPLC-MS/MS</comment>
      <references>
        <reference>
          <reference_text>Regal P, Nebot C, Diaz-Bao M, Barreiro R, Cepeda A, Fente C: Disturbance in sex-steroid serum profiles of cattle in response to exogenous estradiol: a screening approach to detect forbidden treatments. Steroids. 2011 Mar;76(4):365-75. doi: 10.1016/j.steroids.2010.12.005. Epub 2010 Dec 21.</reference_text>
          <pubmed_id>21172370</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Fibroblasts</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.0541 - 0.143</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Raw milk. range during estrous cycle</comment>
      <references>
        <reference>
          <reference_text>Narendran R, Hacker RR, Smith VG, Lun A: Estrogen and progesterone concentrations in bovine milk during the estrous cycle. Theriogenology. 1979 Jul;12(1):19-25.</reference_text>
          <pubmed_id>16725427</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.0312</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Raw whole milk</comment>
      <references>
        <reference>
          <reference_text>Colazo MG, Ambrose DJ, Kastelic JP, Small JA: Comparison of 2 enzyme immunoassays and a radioimmunoassay for measurement of progesterone concentrations in bovine plasma, skim milk, and whole milk. Can J Vet Res. 2008 Jan;72(1):32-6.</reference_text>
          <pubmed_id>18214159</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Neuron</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Ovary</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Placenta</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Platelet</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Prostate Tissue</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Testis</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <references>
        <reference>
          <reference_text>Wishart DS, Feunang YD, Marcu A, Guo AC, Liang K, Vazquez-Fresno R, Sajed T, Johnson D, Li C, Karu N, Sayeeda Z, Lo E, Assempour N, Berjanskii M, Singhal S, Arndt D, Liang Y, Badran H, Grant J, Serra-Cayuela A, Liu Y, Mandal R, Neveu V, Pon A, Knox C, Wilson M, Manach C, Scalbert A: HMDB 4.0: the human metabolome database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D608-D617. doi: 10.1093/nar/gkx1089.</reference_text>
          <pubmed_id>29140435</pubmed_id>
        </reference>
      </references>
    </concentration>
  </normal_concentrations>
  <kegg_id>C00410</kegg_id>
  <drugbank_id>DB00396</drugbank_id>
  <foodb_id>FDB001871</foodb_id>
  <pubchem_compound_id>5994</pubchem_compound_id>
  <chemspider_id>5773</chemspider_id>
  <pdbe_id/>
  <chebi_id>17026</chebi_id>
  <phenol_explorer_compound_id/>
  <meta_cyc_id>PROGESTERONE</meta_cyc_id>
  <knapsack_id>C00034649</knapsack_id>
  <bigg_id>34898</bigg_id>
  <wikipedia_id>Progesterone</wikipedia_id>
  <metlin_id>402</metlin_id>
  <synthesis_reference>Vasquez, L.; Alarcon, J.; Zunza, H.; Becerra, J.; Silva, M.  Chemical-microbiological synthesis of progesterone.    Boletin de la Sociedad Chilena de Quimica  (2001),  46(1),  29-31.</synthesis_reference>
  <general_references>
    <reference>
      <reference_text>Narendran R, Hacker RR, Smith VG, Lun A: Estrogen and progesterone concentrations in bovine milk during the estrous cycle. Theriogenology. 1979 Jul;12(1):19-25.</reference_text>
      <pubmed_id>16725427</pubmed_id>
    </reference>
    <reference>
      <reference_text>Colazo MG, Ambrose DJ, Kastelic JP, Small JA: Comparison of 2 enzyme immunoassays and a radioimmunoassay for measurement of progesterone concentrations in bovine plasma, skim milk, and whole milk. Can J Vet Res. 2008 Jan;72(1):32-6.</reference_text>
      <pubmed_id>18214159</pubmed_id>
    </reference>
  </general_references>
  <protein_associations>
    <protein>
      <protein_accession>BMDBP00010</protein_accession>
      <name>Cytochrome P450 11B1, mitochondrial</name>
      <uniprot_id>P15150</uniprot_id>
      <gene_name>CYP11B1</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00040</protein_accession>
      <name>Steroid 17-alpha-hydroxylase/17,20 lyase</name>
      <uniprot_id>P05185</uniprot_id>
      <gene_name>CYP17A1</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00060</protein_accession>
      <name>Steroid 21-hydroxylase</name>
      <uniprot_id>P00191</uniprot_id>
      <gene_name>CYP21</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP00551</protein_accession>
      <name>Prostaglandin E synthase 3</name>
      <uniprot_id>Q3ZBF7</uniprot_id>
      <gene_name>PTGES3</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01473</protein_accession>
      <name>Membrane-associated progesterone receptor component 1</name>
      <uniprot_id>Q17QC0</uniprot_id>
      <gene_name>PGRMC1</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01624</protein_accession>
      <name>Progesterone receptor</name>
      <uniprot_id>O18972</uniprot_id>
      <gene_name/>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01625</protein_accession>
      <name>Progesterone receptor</name>
      <uniprot_id>Q8MIL9</uniprot_id>
      <gene_name/>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01626</protein_accession>
      <name>Progestin and adipoQ receptor family member 6</name>
      <uniprot_id>Q2KHW1</uniprot_id>
      <gene_name>PAQR6</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01627</protein_accession>
      <name>Progesterone receptor</name>
      <uniprot_id>Q690N0</uniprot_id>
      <gene_name>PGR</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01628</protein_accession>
      <name>Progestin and adipoQ receptor family member 9</name>
      <uniprot_id>Q0II88</uniprot_id>
      <gene_name>PAQR9</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01629</protein_accession>
      <name>Prostaglandin F2-alpha receptor</name>
      <uniprot_id>P37289</uniprot_id>
      <gene_name>PTGFR</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01630</protein_accession>
      <name>Progesterone receptor</name>
      <uniprot_id>Q863K6</uniprot_id>
      <gene_name>pr</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01631</protein_accession>
      <name>Transforming growth factor beta-1-induced transcript 1 protein</name>
      <uniprot_id>Q3MHZ4</uniprot_id>
      <gene_name>TGFB1I1</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
    <protein>
      <protein_accession>BMDBP01632</protein_accession>
      <name>Progestin and adipoQ receptor family member 7</name>
      <uniprot_id>Q2T9S9</uniprot_id>
      <gene_name>PAQR7</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
  </protein_associations>
</metabolite>
