|Application ||WB, IHC, FC, ICC, E|
|Description||This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases that catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This protein localizes to the endoplasmic reticulum and its expression is induced by glucocorticoids and some pharmacological agents. This enzyme is involved in the metabolism of approximately half the drugs in use today, including acetaminophen, codeine, cyclosporin A, diazepam and erythromycin. The enzyme also metabolizes some steroids and carcinogens. This gene is part of a cluster of cytochrome P450 genes on chromosome 7q21.1. Previously another CYP3A gene, CYP3A3, was thought to exist; however, it is now thought that this sequence represents a transcript variant of CYP3A4. Alternatively spliced transcript variants encoding different isoforms have been identified.|
|Immunogen||Purified recombinant fragment of human CYP3A4 expressed in E. Coli. |
|Formulation||Purified antibody in PBS with 0.05% sodium azide|
|Other Names||Cytochrome P450 3A4, 1.14.13.-, 1, 8-cineole 2-exo-monooxygenase, 220.127.116.11, Albendazole monooxygenase, 18.104.22.168, Albendazole sulfoxidase, CYPIIIA3, CYPIIIA4, Cytochrome P450 3A3, Cytochrome P450 HLp, Cytochrome P450 NF-25, Cytochrome P450-PCN1, Nifedipine oxidase, Quinine 3-monooxygenase, 22.214.171.124, Taurochenodeoxycholate 6-alpha-hydroxylase, 126.96.36.199, CYP3A4, CYP3A3|
WB~~1/500 - 1/2000
IHC~~1/200 - 1/1000
IF~~1/200 - 1/1000
FC~~1/200 - 1/400
|Precautions||CYP3A4 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It performs a variety of oxidation reactions (e.g. caffeine 8-oxidation, omeprazole sulphoxidation, midazolam 1'-hydroxylation and midazolam 4- hydroxylation) of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. Acts as a 1,8-cineole 2- exo-monooxygenase. The enzyme also hydroxylates etoposide (PubMed:11159812). Catalyzes 4-beta-hydroxylation of cholesterol. May catalyze 25-hydroxylation of cholesterol in vitro (PubMed:21576599).|
|Cellular Location||Endoplasmic reticulum membrane; Single-pass membrane protein. Microsome membrane; Single-pass membrane protein|
|Tissue Location||Expressed in prostate and liver. According to some authors, it is not expressed in brain (PubMed:19094056) According to others, weak levels of expression are measured in some brain locations (PubMed:19359404 and PubMed:18545703). Also expressed in epithelium of the small intestine and large intestine, bile duct, nasal mucosa, kidney, adrenal cortex, epithelium of the gastric mucosa with intestinal metaplasia, gallbladder, intercalated ducts of the pancreas, chief cells of the parathyroid and the corpus luteum of the ovary (at protein level).|
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Provided below are standard protocols that you may find useful for product applications.
Drug Metab Dispos. 2009 Dec;37(12):2305-13. Biochem Pharmacol. 2010 Jan 15;79(2):277-87.
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