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Literature summary for 1.14.14.19 extracted from

  • Nakajin, S.; Shively, J.E.; Yuan, P.M.; Hall, P.F.
    Microsomal cytochrome P-450 from neonatal pig testis: two enzymatic activities (17alpha-hydroxylase and c17,20-lyase) associated with one protein (1981), Biochemistry, 20, 4037-4042.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
3-(6-Chloro-3-methyl-2-indenyl)pyridine competitive inhibitor Sus scrofa
4-chloro-3,4-dihydro-2-(3-pyridyl)-1-(2H)-naphthalenone competitive inhibitor Sus scrofa
CO
-
Sus scrofa

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
progesterone + [reduced NADPH-hemoprotein reductase] + O2 Sus scrofa
-
17alpha-hydroxyprogesterone + [oxidized NADPH-hemoprotein reductase] + H2O product eliminates at C20,21 acetate to yield androstenedione ?

Organism

Organism UniProt Comment Textmining
Sus scrofa
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein three glucosamine residues per molecule Sus scrofa

Source Tissue

Source Tissue Comment Organism Textmining
testis neonatal Sus scrofa
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
progesterone + [reduced NADPH-hemoprotein reductase] + O2
-
Sus scrofa 17alpha-hydroxyprogesterone + [oxidized NADPH-hemoprotein reductase] + H2O product eliminates at C20,21 acetate to yield androstenedione ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
-
Sus scrofa

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
30 44 hydroxylase and lyase activity decrease proportionally Sus scrofa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.3
-
-
Sus scrofa

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.00004
-
3-(6-Chloro-3-methyl-2-indenyl)pyridine
-
Sus scrofa
0.0003
-
4-chloro-3,4-dihydro-2-(3-pyridyl)-1-(2H)-naphthalenone
-
Sus scrofa