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BRENDA support

Ligand cortisol

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Basic Ligand Information

Molecular Structure
Picture of cortisol (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C21H30O5
cortisol
JYGXADMDTFJGBT-VWUMJDOOSA-N
Synonyms:
4-pregnene-11beta,17alpha,21-triol-3,20-dione, 11beta,17alpha,21-trihydroxy-4-pregnen-3,20-dione, 11beta,17alpha,21-trihydroxy-4-pregnene-3,20-dione, 11beta,17alpha,21-trihydroxy-pregn-4-en-3,20-dione, 11beta,17alpha,21-trihydroxy-pregn-4-ene-3,20-dione, 11beta,17alpha,21-trihydroxypregn-4-ene-3,20-dione, 11beta-cortisol, 11beta-hydrocortisone, 17alpha-hydroxycorticosterone, hydrocorticosterone, hydrocortisone


Show all pahtways known for Show all BRENDA pathways known for cortisol

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (12 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
cortisol + NADH + H+ = 20beta-hydroxycortisol + NAD+
show the reaction diagram
-
cortisol + NADPH + H+ = 20beta-dihydrocortisol + NADP+
show the reaction diagram
-
cortisol + reduced adrenal ferredoxin + O2 = 11-deoxycortisol + adrenal ferredoxin + ?
show the reaction diagram
-
cortisol + NADPH = ?
show the reaction diagram
-
acetyl-CoA + cortisol = CoA + cortisol 21-acetate
show the reaction diagram
-
3'-phosphoadenylylsulfate + cortisol = adenosine 3',5'-bisphosphate + cortisol 21-sulfate
show the reaction diagram
-

In Vivo Product in Enzyme-catalyzed Reactions (7 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
cortisone + NADPH + H+ = cortisol + NADP+
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (36 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
11beta,17alpha,21-trihydroxy-4-pregnen-3,20-dione + NADPH = 3beta,11beta,17alpha,21-tetrahydroxy-4-pregnen-20-one + NADP+
show the reaction diagram
-
cortisol + NADPH + H+ = 20beta-dihydrocortisol + NADP+
show the reaction diagram
-
Cortisol + NADPH + O2 = ?
show the reaction diagram
-
11beta-hydrocortisone + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2 = 9alpha-hydroxy-11beta-hydrocortisone + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
-
acetyl-CoA + cortisol = CoA + cortisol 21-acetate
show the reaction diagram
-
UDP-alpha-D-glucose + hydrocortisone = UDP + 11beta,17-dihydroxy-3,20-dioxopregn-4-en-21-yl beta-D-glucopyranoside
show the reaction diagram
-
3'-phosphoadenylylsulfate + cortisol = adenosine 3',5'-bisphosphate + cortisol 21-sulfate
show the reaction diagram
-
3'-phosphoadenylyl 5'-phosphosulfate + cortisol = adenosine 3',5'-bisphosphate + ?
show the reaction diagram
-
3'-phosphoadenylylsulfate + hydrocortisone = adenosine 3',5'-bisphosphate + ?
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (13 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
11,17-dihydroxyprogesterone + NADH + O2 = cortisol + NAD+ + H2O
show the reaction diagram
-

Activator in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
induces
-
treatment of hepatocytes induces the expression of only the heavy enzyme subunit
-

Inhibitor in Enzyme-catalyzed Reactions (11 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
i.e. cortisol
-
competitive
-
3 mM, 5% inhibition
-
inhibition above 0.08 mM
-

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (13 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
11.1
-
pH 5.0, temperature not specified in the publication
0.183
-
pH 7.5, 37°C

KM Value (45 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.0038
-
-
0.00682
-
pH 6.8, 37.5°C
0.012
-
pH 7, 25°C

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.19
-
androsterone oxidation

IC50 Value (1 result)

EC NUMBER
IC50 VALUE
IC50 VALUE MAXIMUM
COMMENTARY
LITERATURE
0.017
-
in 0.1 M potassium phosphate, pH 7.4, at 25°C

References & Links

Links to other databases for cortisol

ChEBI
PubChem
ChEBI
PubChem