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Steroid degradation

State Icon Reaction EC-Number Confidence maximal confidence score from EnzymeDetector
3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione + O2 <=> H+ + 4,5-9,10-diseco-3-hydroxy-5,9,17-tri-oxoandrosta-1(10),2-diene-4-oic_acid 1.13.11.25 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione 4,5-dioxygenase

testosterone + NADP+ <=> 4-androstene-3,17-dione + NADPH + H+ 1.1.1.146 11beta-hydroxysteroid dehydrogenase
1.1.1.148 estradiol 17alpha-dehydrogenase
1.1.1.184 carbonyl reductase (NADPH)
1.1.1.2 alcohol dehydrogenase (NADP+)
1.1.1.209 3(or 17)alpha-hydroxysteroid dehydrogenase
1.1.1.213 3alpha-hydroxysteroid 3-dehydrogenase (Re-specific)
1.1.1.239 3alpha(17beta)-hydroxysteroid dehydrogenase (NAD+)
1.1.1.50 3alpha-hydroxysteroid 3-dehydrogenase (Si-specific)
1.1.1.51 3(or 17)beta-hydroxysteroid dehydrogenase
1.1.1.62 17beta-estradiol 17-dehydrogenase
1.1.1.64 testosterone 17beta-dehydrogenase (NADP+)











cholesterol + NAD+ <=> cholest-4-en-3-one + NADH + H+ 1.1.1.145 3beta-hydroxy-Delta5-steroid dehydrogenase
5.3.3.1 steroid Delta-isomerase


5-androstene-3,17-dione <=> 4-androstene-3,17-dione 2.5.1.18 glutathione transferase
5.3.3.1 steroid Delta-isomerase


3-[(3aS,4S,7aS)-7a-methyl-1,5-dioxo-octahydro-1H-inden-4-yl]propanoate + ATP + CoA <=> 3-[(3aS,4S,7aS)-7a-methyl-1,5-dioxo-octahydro-1H-inden-4-yl]propanoyl-CoA + AMP + diphosphate 6.2.1.41 3-[(3aS,4S,7aS)-7a-methyl-1,5-dioxo-octahydro-1H-inden-4-yl]propanoate---CoA ligase

9alpha-hydroxy-1,4-androstadiene_3,17-dione <=> 3-hydroxy-9,10-seconandrost-1,3,5(10)-triene-9,17-dione 0.0.0.0

4,5-9,10-diseco-3-hydroxy-5,9,17-tri-oxoandrosta-1(10),2-diene-4-oic_acid + H2O <=> 3-[(3aS,4S,7aS)-7a-methyl-1,5-dioxo-octahydro-1H-inden-4-yl]propanoate + (2Z,4Z)-2-hydroxyhexa-2,4-dienoate + H+ 3.7.1.17 4,5:9,10-diseco-3-hydroxy-5,9,17-trioxoandrosta-1(10),2-diene-4-oate hydrolase

cholest-4-en-3-one + reduced_ferredoxin_[iron-sulfur]_cluster + H+ + O2 <=> (25S)-3-oxocholest-4-en-26-oate + oxidized_ferredoxin + H2O 1.14.15.29 cholest-4-en-3-one 26-monooxygenase [(25S)-3-oxocholest-4-en-26-oate forming]

Delta4-Dafachronic_acid <=> 4-androstene-3,17-dione not assigned

cholest-4-en-3-one + 6 [2Fe-2S]-center + 3 O2 <=> (25R)-3-oxocholest-4-en-26-oate + 6 [2Fe-2S]-center + 4 H2O 1.14.15.28 cholest-4-en-3-one 26-monooxygenase [(25R)-3-oxocholest-4-en-26-oate forming]

epiandrosterone + NAD+ <=> 5alpha-androstane-3,17-dione + NADH 1.1.1.145 3beta-hydroxy-Delta5-steroid dehydrogenase
1.1.1.210 3beta(or 20alpha)-hydroxysteroid dehydrogenase
1.1.1.239 3alpha(17beta)-hydroxysteroid dehydrogenase (NAD+)
1.1.1.357 3alpha-hydroxysteroid 3-dehydrogenase
1.1.1.50 3alpha-hydroxysteroid 3-dehydrogenase (Si-specific)
1.1.1.51 3(or 17)beta-hydroxysteroid dehydrogenase






O2 + cholesterol <=> cholest-4-en-3-one + H2O2 1.1.3.6 cholesterol oxidase

5alpha-androstane-3,17-dione + acceptor <=> 4-androstene-3,17-dione + reduced_acceptor 1.3.99.5 3-oxo-5alpha-steroid 4-dehydrogenase (acceptor)

testosterone + NAD+ <=> 4-androstene-3,17-dione + NADH + H+ 1.1.1.112 indanol dehydrogenase
1.1.1.210 3beta(or 20alpha)-hydroxysteroid dehydrogenase
1.1.1.239 3alpha(17beta)-hydroxysteroid dehydrogenase (NAD+)
1.1.1.357 3alpha-hydroxysteroid 3-dehydrogenase
1.1.1.51 3(or 17)beta-hydroxysteroid dehydrogenase
1.1.1.62 17beta-estradiol 17-dehydrogenase
1.1.1.64 testosterone 17beta-dehydrogenase (NADP+)







1,4-androstadiene-3,17-dione + O2 + reduced_ferredoxin_[iron-sulfur]_cluster + H+ <=> 9alpha-hydroxy-1,4-androstadiene_3,17-dione + oxidized_ferredoxin + H2O 1.14.15.30 3-ketosteroid 9alpha-monooxygenase

4-androstene-3,17-dione + acceptor <=> 1,4-androstadiene-3,17-dione + reduced_acceptor 1.3.99.4 3-oxosteroid 1-dehydrogenase

dehydroepiandrosterone + NAD+ <=> 5-androstene-3,17-dione + NADH + H+ 1.1.1.145 3beta-hydroxy-Delta5-steroid dehydrogenase
1.1.1.51 3(or 17)beta-hydroxysteroid dehydrogenase


3-hydroxy-9,10-seconandrost-1,3,5(10)-triene-9,17-dione + O2 + FMNH2 <=> H+ + 3,4-dihydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione + H2O + FMN 1.14.14.12 3-hydroxy-9,10-secoandrosta-1,3,5(10)-triene-9,17-dione monooxygenase

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