Inhibitors | Comment | Organism | Structure |
---|---|---|---|
pregnenolone | - |
Homo sapiens | |
progesterone | - |
Homo sapiens |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0023 | - |
progesterone | - |
Homo sapiens | |
0.0025 | - |
pregnenolone | - |
Homo sapiens |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
microsome | - |
Homo sapiens | - |
- |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
pregnenolone + AH2 + O2 | Homo sapiens | - |
17alpha-hydroxypregnenolone + A + H2O | - |
? | |
progesterone + [reduced NADPH-hemoprotein reductase] + O2 | Homo sapiens | - |
17alpha-hydroxyprogesterone + [oxidized NADPH-hemoprotein reductase] + H2O | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | - |
- |
- |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
testis | - |
Homo sapiens | - |
Storage Stability | Organism |
---|---|
-20°C, 0.25 M sucrose, pH 7.4, 2 months | Homo sapiens |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
pregnenolone + AH2 + O2 | - |
Homo sapiens | 17alpha-hydroxypregnenolone + A + H2O | - |
? | |
progesterone + [reduced NADPH-hemoprotein reductase] + O2 | - |
Homo sapiens | 17alpha-hydroxyprogesterone + [oxidized NADPH-hemoprotein reductase] + H2O | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.9 | 8.5 | for 17alpha-hydroxylation of pregnenolone | Homo sapiens |
8.5 | - |
for 17alpha-hydroxylation of progesterone | Homo sapiens |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NADPH | - |
Homo sapiens |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0008 | - |
pregnenolone | competitive substrate with progesterone | Homo sapiens | |
0.0032 | - |
progesterone | competitive substrate with pregnenolone | Homo sapiens |