Structure-function of cytochromes P450 and flavin-containing monooxygenases: implications for drug metabolism.

نویسندگان

  • J R Halpert
  • T L Domanski
  • O Adali
  • C P Biagini
  • J Cosme
  • E A Dierks
  • E F Johnson
  • J P Jones
  • P Ortiz de Montellano
  • R M Philpot
  • O Sibbesen
  • W K Wyatt
  • Z Zheng
چکیده

This article is a report on a symposium held at Experimental Biology '98 in San Francisco, California. Recent developments in site-directed mutagenesis, computer-modeling, and mechanistic analysis of cytochromes P450 and flavin-containing monooxygenases are described. A unifying theme is the elaboration of general approaches for understanding and predicting the function of individual forms of these enzymes. A related goal is the production of soluble forms of mammalian cytochromes P450 for X-ray crystallography.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

The imidazoacridinone antitumor drug, C-1311, is metabolized by flavin monooxygenases but not by cytochrome P450s.

5-Diethylaminoethylamino-8-hydroxyimidazoacridinone (C-1311) is an antitumor agent that is also active against autoimmune diseases. The intention of the present studies was to elucidate the role of selected liver enzymes in metabolism of C-1311 and the less active 8-methyl derivative, 5-diethylaminoethylamino-8-methoxyimidazoacridinone (C-1330). Compounds were incubated with rat liver microsoma...

متن کامل

Biotransformation of drugs in human skin.

Although it is the largest organ of the human body, skin is often not considered in discussions of drug metabolism. However, there is growing evidence that most common drug-metabolizing enzymes are expressed in the skin. Evidence for expression of cytochromes P450, flavin monooxygenases, glutathione-S-transferases, N-acetyltransferases, and sulfotransferases in human skin and skin cells are pre...

متن کامل

Cytochromes P450 and flavin monooxygenases--targets and sources of nitric oxide.

This article is a report on a symposium sponsored by the American Society for Pharmacology and Experimental Therapeutics and held at the Experimental Biology 01 meeting in Orlando, FL. The presentations addressed the mechanisms of inhibition and regulation of cytochrome P450 and flavin monooxygenase enzymes by nitric oxide. They also highlighted the consequences of these effects on metabolism o...

متن کامل

Cyclic conversion of the novel Src kinase inhibitor [7-(2,6-dichloro-phenyl)-5-methyl-benzo[1,2,4]triazin-3-yl]-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-amine (TG100435) and Its N-oxide metabolite by flavin-containing monoxygenases and cytochrome P450 reductase.

[7-(2,6-Dichloro-phenyl)-5-methyl-benzo[1,2,4]triazin-3-yl]-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-amine (TG100435) is a novel multi-targeted Src family kinase inhibitor with demonstrated anticancer activity in preclinical species. Potent kinase inhibition is associated with TG100435 and its major N-oxide metabolite [7-(2,6-dichlorophenyl)-5-methyl-benzo[1,2,4]triazin-3-yl]-{4-[2-(1-oxy-pyrrolid...

متن کامل

Metabolism of diallyl disulfide by human liver microsomal cytochromes P-450 and flavin-containing monooxygenases.

The metabolism of diallyl disulfide (DADS), a garlic sulfur compound, was investigated in human liver microsomes. Diallyl thiosulfinate (allicin) was the only metabolite observed and its formation followed Michaelis-Menten kinetics with a Km = 0.61 +/- 0.2 mM and a Vmax = 18.5 +/- 4.2 nmol/min/mg protein, respectively (mean +/- S.E. M., n = 4). Both flavin-containing monooxygenase and the cytoc...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Drug metabolism and disposition: the biological fate of chemicals

دوره 26 12  شماره 

صفحات  -

تاریخ انتشار 1998