Title : Iodosylbenzene derivatives as oxygen donors in cytochrome P-450 catalyzed steroid hydroxylations.

Pub. Date : 1979 Mar 6

PMID : 420819






3 Functional Relationships(s)
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Protein Name
Organism
1 Iodosylbenzene derivatives as oxygen donors in cytochrome P-450 catalyzed steroid hydroxylations. Steroids cytochrome P450, family 2, subfamily g, polypeptide 1 Rattus norvegicus
2 The mechanism of cytochrome P-450 catalyzed steroid hydroxylations in rat liver microsomes has been investigated by employing derivatives of iodosylbenzene as oxygen donors. Steroids cytochrome P450, family 2, subfamily g, polypeptide 1 Rattus norvegicus
3 The capacity of the oxidation agents to serve as oxygen donors in cytochrome P-450 dependent steroid hydroxylation is probably dependent upon several factors such as the tendency of iodosyl compounds to associate, which decreases coordination with the heme iron, the presence of bulky substituents in the 2 position (decreases association), and the presence of electron-withdrawing substituents (tends to decrease coordination with the heme iron). Steroids cytochrome P450, family 2, subfamily g, polypeptide 1 Rattus norvegicus