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called P450-containing monooxygenase systems, although self-sufficient, non-monooxygenase P450s have been also described. All known P450-containing monooxygenase
P450-containing_systems
Class of enzymes
enzymes in electron transfer chains, broadly categorized as P450-containing systems. The term "P450" is derived from the spectrophotometric peak at the wavelength
Cytochrome_P450
Mammalian protein found in humans
has globally decreased POR expression. Androgen backdoor pathway P450-containing systems GRCh38: Ensembl release 89: ENSG00000127948 – Ensembl, May 2017
Cytochrome_P450_reductase
This article covers protein engineering of cytochrome (CYP) P450 enzymes. P450s are involved in a range of biochemical catabolic and anabolic process.
Cytochrome_P450_engineering
List of Cytochrome P450 enzymes
PMC 3499669. PMID 23033231. Degtyarenko K (2009-01-09). "Directory of P450-containing Systems". International Centre for Genetic Engineering and Biotechnology
Cytochrome P450 (individual enzymes)
Cytochrome_P450_(individual_enzymes)
Metabolism of xenobiotics
ISBN 0-7484-0399-X. Databases Degtyarenko K, Fábián P. "Directory of P450-containing Systems". International Centre for Genetic Engineering and Biotechnology
Xenobiotic_metabolism
Enzyme in the human body
Cytochrome P450 1A2 (abbreviated CYP1A2), a member of the cytochrome P450 mixed-function oxidase system, is involved in the metabolism of xenobiotics in
CYP1A2
Biochemical modification of drugs or foreign compounds by living organisms
ISBN 0-8493-2983-3. Databases Drug metabolism database Directory of P450-containing Systems Drug metabolism Drug metabolism portal Small Molecule Drug Metabolism
Drug_metabolism
Enzyme that metabolizes substances by oxidation
Cytochrome P450 3A4 (abbreviated CYP3A4) (EC 1.14.14.56) is an important enzyme in the body, mainly found in the liver and the intestine. In humans is
CYP3A4
Protein family
ferricytochrome b5 + H2O Cytochrome b Cytochrome b5 deficiency P450-containing systems Cytochrome b5, type A Lederer F (1994). "The cytochrome b5-fold:
Cytochrome_b5
Computational and mathematical modeling of complex biological systems
Systems biology is the computational and mathematical analysis and modeling of complex biological systems. It is a biology-based interdisciplinary field
Systems_biology
Protein-coding gene in the species Homo sapiens
267 families of CYP proteins participating in 10 classes of P450 electron transport systems. It is believed that 14α-demethylase or CYP51 diverged early
Lanosterol 14 alpha-demethylase
Lanosterol_14_alpha-demethylase
Enzyme protein
Cytochrome P450 family 2 subfamily C member 9 (abbreviated CYP2C9) is an enzyme protein. The enzyme is involved in the metabolism, by oxidation, of both
CYP2C9
Enzyme found in humans
Cytochrome P450 2E1 (abbreviated CYP2E1, EC 1.14.13.n7) is a member of the cytochrome P450 mixed-function oxidase system, which is involved in the metabolism
CYP2E1
Human gene
Cytochrome P450, family 3, subfamily A, also known as CYP3A, is a human gene locus. A homologous locus is found in mice. These genes encode monooxygenases
CYP3A
Chemical compound
Delaforge M (April 2005). "Oxidative metabolism by P450 and function coupling to efflux systems: modulation of mycotoxin toxicity". Food Additives and
Roquefortine_C
Protein found in humans
Cytochrome P450 2J2 (CYP2J2) is a protein that in humans is encoded by the CYP2J2 gene. CYP2J2 is a member of the cytochrome P450 superfamily of enzymes
CYP2J2
Protein-coding gene in humans
P450, family 1, subfamily A, polypeptide 1 is a protein that in humans is encoded by the CYP1A1 gene. The protein is a member of the cytochrome P450 superfamily
CYP1A1
CNS stimulant and isomer of amphetamine
phase 1 metabolism of amphetamine analogs is catalyzed by two systems: cytochrome P450 and flavin monooxygenase. ... Amphetamine can also undergo aromatic
Dextroamphetamine
Cellular debris
NADPH-cytochrome P450 reductase in the baculovirus/insect cell system". Xenobiotica; the Fate of Foreign Compounds in Biological Systems. 31 (6): 345–56
Microsome
Class of enzymes
2-exo-hydroxy-1,8-cineole, oxidised NADP+, and water. It is a cytochrome P450 protein containing heme. Miyazawa M, Shindo M, Shimada T (February 2001). "Oxidation
1,8-Cineole 2-exo-monooxygenase
1,8-Cineole_2-exo-monooxygenase
Coenzyme
heme of the P450. The P450 systems that are located in the mitochondria are dependent on two electron transfer proteins: An FAD containing adrenodoxin
Flavin_adenine_dinucleotide
Cytochrome P450 aromatic O-demethylase is a bacterial enzyme that catalyzes the demethylation of lignin and various lignols. The net reaction follows the
Cytochrome P450 aromatic O-demethylase
Cytochrome_P450_aromatic_O-demethylase
Antifungal medication
glucose-galactose malabsorption. Fluconazole is an inhibitor of the human cytochrome P450 system, particularly the isozyme CYP2C19 (CYP3A4 and CYP2C9 to lesser extent)
Fluconazole
Chemical compound
group. The oxidation of the allyl side chain is mediated by a cytochrome P450 complex, which will transform safrole into 1′-hydroxysafrole. The newly formed
Safrole
Cough suppressant and dissociative drug
including dextromethorphan, through the inhibition of the cytochrome P450 system in the liver, and can lead to excessive accumulation of the drug which
Dextromethorphan
Protein-coding gene in humans
Cytochrome P450 17A1 (steroid 17α-monooxygenase, 17α-hydroxylase, 17-alpha-hydroxylase, 17,20-lyase, 17,20-desmolase) is an enzyme of the hydroxylase type
CYP17A1
Medication
responsible for its hepatotoxicity, is formed from it by the cytochrome P450 system (specifically, CYP1A2, CYP2E1, and CYP3A4). Cimetidine is used in cancer
Cimetidine
Antihistamine medication
by the cytochrome P450 system. Because of this, it does not interact significantly with drugs that inhibit or induce cytochrome P450 enzymes such as theophylline
Cetirizine
Combination pain relief drug
metabolized to norhydrocodone by cytochrome P450 3A4 and to hydromorphone, also biologically active, by cytochrome P450 2D6. For individuals who have a defect
Hydrocodone/paracetamol
Tranquilizer based with herbs Valerian, hops, peppermint & phenobarbital, a barbiturate
Phenobarbital is a strong inducer (activator) of several hepatic cytochrome P450 enzymes, including CYP1A2, CYP2C9, CYP3A4 and others. One of the functions
Corvalol
Protein found in humans
phase 1 metabolism of amphetamine analogs is catalyzed by two systems: cytochrome P450 and flavin monooxygenase. Cashman JR, Xiong YN, Xu L, Janowsky
Flavin-containing monooxygenase 3
Flavin-containing_monooxygenase_3
Mammalian protein found in Homo sapiens
synthase 1 (EC 5.3.99.5, platelet, cytochrome P450, family 5, subfamily A), also known as TBXAS1, is a cytochrome P450 enzyme that, in humans, is encoded by the
Thromboxane-A_synthase
Membranes in the cytoplasm of a eukaryotic cell
extensively studied detoxification reaction is carried out by the cytochrome P450 family of enzymes, which catalyze oxidation reactions on water-insoluble
Endomembrane_system
Genus of flowering plants
isolated from Amyris plumieri have shown some inhibition of the cytochrome P450 enzymes. Wikispecies has information related to Amyris. Wikimedia Commons
Amyris
Ubiquitous antioxidant compound in living organisms
(NAPQI). NAPQI is a reactive metabolite formed by the action of cytochrome P450 on paracetamol (acetaminophen). Glutathione conjugates to NAPQI, and the
Glutathione
Class of enzymes
misclassified because they share activity profiles similar to those of cytochrome P450 (CYP450), which is the major contributor to oxidative xenobiotic metabolism
Flavin-containing monooxygenase
Flavin-containing_monooxygenase
Set of cytochrome P450 enzymes
Epoxygenases are a set of membrane-bound, heme-containing cytochrome P450 (CYP450 or just CYP) enzymes that metabolize polyunsaturated fatty acids (PUFAs)
Epoxygenase
Human enzyme that hydroxylates steroids
21-hydroxylase is a member of the cytochrome P450 family of monooxygenase enzymes that use an iron-containing heme cofactor to oxidize substrates. In humans
21-Hydroxylase
Opiate and prodrug of morphine used to treat pain
since 1 February 2018, preparations containing codeine are not available without a prescription. Preparations containing pure codeine (e.g., codeine phosphate
Codeine
Chemical compound
vitro studies show that quercetin is a strong inhibitor of the cytochrome P450 enzymes CYP3A4 and CYP2C19 and a moderate inhibitor of CYP2D6. Drugs that
Quercetin
Family of enzymes
PMID 15221502. Pang X, Tang C, Guo R, Chen X (May 2022). "Non-cytochrome P450 enzymes involved in the oxidative metabolism of xenobiotics: Focus on the
Monoamine_oxidase
Blood pressure medication
Losartan's bioavailability is about 33%. Metabolism is primarily by cytochrome P450 isoenzymes CYP2C9 and CYP3A4. Peak plasma concentrations of losartan and
Losartan
Change in the action or side effects of a drug caused
One notable system involved in metabolic drug interactions is the enzyme system comprising the cytochrome P450 oxidases. Cytochrome P450 is a very large
Drug_interaction
Antibiotic and antiprotozoal medication
cytochrome P450 enzymes in HepaRG cells and cryopreserved human hepatocytes". Xenobiotica; the Fate of Foreign Compounds in Biological Systems. 45 (5):
Metronidazole
Set of chemical reactions in organisms
humans, these include cytochrome P450 oxidases, UDP-glucuronosyltransferases, and glutathione S-transferases. This system of enzymes acts in three stages
Metabolism
"Three-dimensional structure of NADPH-cytochrome P450 reductase: prototype for FMN- and FAD-containing enzymes". Proceedings of the National Academy of
Flavodoxin_fold
Redox-active proteins containing a heme with a Fe atom as a cofactor
several additional classifications such as cytochrome o and cytochrome P450 can be found in biochemical literature. Cytochromes were initially described
Cytochrome
Opioid analgesic compound
acids. P450 metabolic enzymes are known to facilitate the phase I metabolism of mitragynine which reportedly has an inhibitory effect on multiple P450 enzymes
Mitragynine
Sleep medication
and no appreciable affinity for α5 subunit-containing receptors. ω1 type GABAA receptors are the α1-containing GABAA receptors and are found primarily in
Zolpidem
Chemical stimulant produced by some plants
smoke both induce the expression of liver enzymes (e.g., certain cytochrome P450 proteins) which metabolize drugs, leading to the potential for alterations
Nicotine
Enzyme
"Three-dimensional structure of NADPH-cytochrome P450 reductase: prototype for FMN- and FAD-containing enzymes". Proc. Natl. Acad. Sci. U.S.A. 94 (16):
NADPH—hemoprotein_reductase
Wakefulness-promoting medication
inhibitor of CYP2C19, enzymes of the cytochrome P450 system. Modafinil also induces or inhibits other cytochrome P450 enzymes. One in vitro study predicts that
Modafinil
Opioid drug used in pain relief
containing chlorphenamine/chlorpheniramine is a cough medicine called Tussionex in North America. In Europe, similar time-release syrups containing codeine
Hydrocodone
Chemical compound
phase 1 metabolism of amphetamine analogs is catalyzed by two systems: cytochrome P450 and flavin monooxygenase. ... Amphetamine can also undergo aromatic
Phenylacetone
Medication that reduces stomach acid
H2 antagonist, famotidine has a minimal effect on the cytochrome P450 enzyme system and does not appear to interact with as many drugs as other medications
Famotidine
Medication against high blood pressure
Shimada N, Yamazaki H, Yokoi T (March 2000). "Inhibition of human cytochrome P450 enzymes by 1,4-dihydropyridine calcium antagonists: prediction of in vivo
Amlodipine
Physical or chemical agent that increases the rate of genetic mutation
cellular processes, for example through the activity of the cytochrome P450 system and other oxygenases such as cyclooxygenase. Such mutagens are called
Mutagen
Central nervous system stimulant prodrug
phase 1 metabolism of amphetamine analogs is catalyzed by two systems: cytochrome P450 and flavin monooxygenase. ... Amphetamine can also undergo aromatic
Lisdexamfetamine
Species of flowering tree
M. oleifera may interfere with prescription drugs affecting cytochrome P450 (including CYP3A4) and may inhibit the antihyperglycemic effect of sitagliptin
Moringa_oleifera
Human enzyme
Cytochrome P450 4F2 (CYP4F2) is a human enzyme belonging to the cytochrome P450 (CYP) superfamily. It regulates inflammation by inactivating leukotriene
CYP4F2
Protein-coding gene in the species Homo sapiens
corticosterone 18-monooxygenase or P450C18, is a steroid hydroxylase cytochrome P450 enzyme involved in the biosynthesis of the mineralocorticoid aldosterone
Aldosterone_synthase
Chemical compound
inhibition of the cytochrome P450 enzyme class. The N3 of the imidazole compound binds to the heme iron atom of ferric cytochrome P450, whereas the N4 of the
Imidazole
SSRI antidepressant
be monitored since oxycodone is metabolized by the cytochrome P450 (CYP) enzyme system and fluoxetine and paroxetine are potent inhibitors of CYP2D6 enzymes
Fluoxetine
Antiplatelet medication
converted to a thiolactone. This thiolactone is then oxidized by a cytochrome P450 into a thiolactone S-oxide, that is unstable and opens in water to a sulfenic
Clopidogrel
Tropane alkaloid & anticholinergic drug
condenses with phenylalanine-derived phenyllactate to littorine. A cytochrome P450 classified as Cyp80F1 oxidizes and rearranges littorine to hyoscyamine aldehyde
Scopolamine
Protein family
oxidoreductase (24-hydroxylating). This enzyme is a member of the cytochrome P450 (CYP) superfamily of enzymes. Like many other CYP enzymes that act on cholesterol
Cholesterol_24-hydroxylase
Chemical coordination complex of an iron ion chelated to a porphyrin
oxidase, succinate dehydrogenase), xenobiotic detoxification via cytochrome P450 pathways (including metabolism of some drugs), gas sensing (guanyl cyclases
Heme
Chemical compound
Formulary '45' March 2003 Becher R, Wirsel SG (August 2012). "Fungal cytochrome P450 sterol 14α-demethylase (CYP51) and azole resistance in plant and human pathogens"
Miconazole
Antiemetic medication
by the hepatic cytochrome P450 system and it has little effect on the metabolism of other drugs broken down by this system. Use of ondansetron has been
Ondansetron
Medication
cytochrome P450 inhibition and consequent inhibition of selegiline first-pass metabolism by ethinylestradiol. In contrast to birth control pills containing ethinylestradiol
Selegiline
Stomach acid suppressing medication
and longer. Pantoprazole is metabolized in the liver by the cytochrome P450 system. Metabolism mainly consists of demethylation by CYP2C19 followed by sulfation
Pantoprazole
Medication to treat gastroesophageal reflux disease and other conditions
binding of 95%. Omeprazole is completely metabolized by the cytochrome P450 system, mainly in the liver, by CYP2C19 and CYP3A4 isoenzymes. Identified metabolites
Omeprazole
Drug mixture used mainly to treat ADHD and narcolepsy
phase 1 metabolism of amphetamine analogs is catalyzed by two systems: cytochrome P450 and flavin monooxygenase. ... Amphetamine can also undergo aromatic
Adderall
Chemical compound (C6H14)
5-hexanediol in the body. The conversion is catalyzed by the enzyme cytochrome P450 utilizing oxygen from air. 2,5-Hexanediol may be further oxidized to 2,5-hexanedione
Hexane
Bitter alkaloid of the cacao plant
1016/S0021-9258(18)70714-X. PMID 13475320. Gates S, Miners JO (March 1999). "Cytochrome P450 isoform selectivity in human hepatic theobromine metabolism". British Journal
Theobromine
Antifungal chemical compound
11-deoxycortisol to cortisol. All of these enzymes are mitochondrial cytochrome p450 enzymes. Based on these antiandrogen and antiglucocorticoid effects, ketoconazole
Ketoconazole
Chemical compound
formation by a cytochrome P450 such as MupO. A gene knockout of mupO abolished PA-A production but PA-B, which also contains the C10-C11 epoxide, remained
Mupirocin
Chemical compound
ergosterol, a critical component of the fungal cell membrane, by inhibiting the P450 enzyme lanosterol 14-alpha demethylase. Clotrimazole may slow fungal growth
Clotrimazole
Antiandrogen medication used in treatment of prostate cancer
overdose. Enzalutamide is a moderate to strong inducer of multiple cytochrome P450 enzymes including CYP3A4, CYP2C9, and CYP2C19 and hence has a high potential
Enzalutamide
American physician and infectious diseases researcher
used to treat HIV. The drugs interact through a liver enzyme (cytochrome P450) that is produced at elevated levels in patients who take rifampicin, and
Annie_Luetkemeyer
Cellular second messenger
"Mechanism of corticotropin and cAMP induction of mitochondrial cytochrome P450 system enzymes in adrenal cortex cells". J Biol Chem. 265 (33): 20602–8. doi:10
Cyclic adenosine monophosphate
Cyclic_adenosine_monophosphate
Genus of fungi
persist in the environment and contains many known carcinogenic and mutagenic compounds. The presence of a cytochrome P450 has been demonstrated in C. bainieri
Cunninghamella
Chemical compound
i.e. installing the second hydroxy group, is catalyzed by a cytochrome P450 enzyme. Chlorogenic acid can be found in the bamboo Phyllostachys edulis
Chlorogenic_acid
Antibiotic medication
Rifampicin is the most powerful known inducer of the hepatic cytochrome P450 enzyme system, including isoenzymes CYP2B6, CYP2C8, CYP2C9, CYP2C19, CYP3A4, CYP3A5
Rifampicin
First-generation antihistamine used as a short-term sedative and hypnotic (sleep aid)
oral tablets containing 25 mg doxylamine succinate. Oral tablets containing 12.5 mg doxylamine succinate as well as oral capsules containing 25 mg doxylamine
Doxylamine
Phase of the estrous or menstrual cycle
these granulosa cells (Figure 1). Under the influence of FSH, aromatase and p450 enzymes are activated, causing the granulosa cells to begin to secrete estrogen
Follicular_phase
Medication used to treat high cholesterol
Ezetimibe lacks significant inhibitor or inducer effects on cytochrome P450 isoenzymes, which explains its limited number of drug interactions. No dose
Ezetimibe
Biochemical cofactor and antioxidant
CoQ10 may interfere with warfarin's actions by interacting with cytochrome p450 enzymes thereby reducing the INR, a measure of blood clotting. The structure
Coenzyme_Q10
Very large DNA virus
terrestrial sources, and human patients contain genes encoding cytochrome P450 enzymes. The origin of these P450 genes in giant viruses remains unknown
Giant_virus
Chemical compound
phase 1 metabolism of amphetamine analogs is catalyzed by two systems: cytochrome P450 and flavin monooxygenase. ... Amphetamine can also undergo aromatic
P-Hydroxynorephedrine
Involuntary non-striated muscle
derived hyperpolarizing factor (either an endogenous cannabinoid, cytochrome P450 metabolite, or hydrogen peroxide), or prostacyclin (PGI2). Nitric oxide and
Smooth_muscle
Vertical transport machine
well for simple systems; but as systems get more complex, the calculations are harder to develop and implement. For very complex systems, the solution is
Elevator
Medication
oveporexton overdose. Oveporexton is primarily metabolized by the cytochrome P450 enzyme CYP3A4. As such, CYP3A4 inhibitors and inducers can alter oveporexton
Oveporexton
Chemical compound
cytochrome P450 s responsible for morphine N-demethylation in human liver microsomes". Xenobiotica; the Fate of Foreign Compounds in Biological Systems. 33 (8):
Normorphine
Chemical compound
solifenacin is an ester of a carboxylic acid containing (at least) an aromatic ring with an alcohol containing a nitrogen atom. While in the prototype anticholinergic
Solifenacin
Cell type
substances inhaled into the lungs. Club cells accomplish this with cytochrome P450 enzymes found in their smooth endoplasmic reticulum. Club cells also act
Club_cell
Muscle relaxant medication
than 95% of a dose of tizanidine is metabolized. The primary cytochrome P450 enzyme involved in the metabolism of tizanidine is CYP1A2. Strong CYP3A4
Tizanidine
Chemical compound
of steroid hormone derived from enzymatic modification of cholesterol by p450 enzymes. This occurs by a mechanism similar to steroid synthesis in vertebrates
20-Hydroxyecdysone
Phytocannabinoid discovered in 1940
to manufacture products containing CBD for sale, no matter what the source of the CBD is, and that CBD and products containing CBD, such as cannabis oil
Cannabidiol
travel, tourism, insurance
P450 CONTAINING-SYSTEMS
P450 CONTAINING-SYSTEMS
Girl/Female
American, Arabic, Armenian, Australian, British, Chinese, Christian, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Indian, Jamaican, Kannada, Marathi, Muslim, Polish, Swedish
Industrious; All-containing; Universal; Embracing Everything; Whole; Entire; All
Girl/Female
Hindu, Indian, Marathi, Sanskrit
Continuing; Forming an Interrupted Line
Boy/Male
Tamil
Continuing, The best, Son
Boy/Male
Hindu, Indian, Marathi
Continuing; The Best; Son
Girl/Female
Indian, Sanskrit
Consisting in All; Al-containing
Girl/Female
Australian, British, Czechoslovakian, English, Finnish, German, Hungarian, Japanese, Norse, Romanian, Spanish, Swedish, Teutonic
Serious; Embracing Everything; All-containing; Universal; Grandmother; Industrious
Boy/Male
Hindu, Indian, Parsi
Obtaining Glory
Girl/Female
Biblical
Containing ten cities.
Girl/Female
Hindu, Indian
Containing Wealth
Boy/Male
Tamil
Gitamrita Mahodadhi | கீதாமà¯à®°à¯€à®¤à®¾ மஹோததி
An ocean containing nectar of Gita
Gitamrita Mahodadhi | கீதாமà¯à®°à¯€à®¤à®¾ மஹோததி
Boy/Male
Hindu
An ocean containing nectar of Gita
Boy/Male
Indian, Sanskrit
Obtaining; The Earning or Acquiring or Acqusition
Boy/Male
Indian
Anklet Containing Tiny Bells or Ghunghroo
Biblical
containing ten cities
Girl/Female
Hindu, Indian
Containing Water
Female
German
Short form of Germanic names containing the element gund, GUNDA means "war."
Girl/Female
African, Arabic, French, Indian, Malaysian, Muslim, Sindhi, Swahili
Victorious; Winner; Obtaining; Successful
Boy/Male
African, American, British, Christian, English, German, Hindu, Indian, Irish, Jamaican
Powerful; An Ant; Whole; Immense; All Containing; Universal Strength; Entire
Girl/Female
Australian, Indian, Sanskrit
Containing the Moon
Girl/Female
Hindu, Indian, Sanskrit, Telugu
Name of Rani Laxmibai; Earring Containing a Jewel
P450 CONTAINING-SYSTEMS
P450 CONTAINING-SYSTEMS
P450 CONTAINING-SYSTEMS
P450 CONTAINING-SYSTEMS
P450 CONTAINING-SYSTEMS
P450 CONTAINING-SYSTEMS
P450 CONTAINING-SYSTEMS
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