General Information of DBT (ID: ET0V3XV)
Name
Mephenytoin 4-hydroxylase (CYP2C19)
Synonyms    Click to Show/Hide the Synonyms of This DBT
Cytochrome P450 2C19; (R)-limonene 6-monooxygenase; (S)-limonene 6-monooxygenase; (S)-limonene 7-monooxygenase; CYPIIC17; CYPIIC19; Cytochrome P450-11A; Cytochrome P450-254C; Fenbendazole monooxygenase (4'-hydroxylating)
Family Oxidoreductase (ORase)  >>  Oxygen paired donor oxidoreductase (EC 1.14)
Organism
Homo sapiens (Human)
Gene Name CYP2C19 Gene ID
1557
UniProt ID CP2CJ_HUMAN (click to find more protein-related data of this DBT)
INTEDE ID DME0021 (click to find more drug-metabolizing enzyme data of this DBT)
   Click to Show/Hide the Molecular/Function Data (Sequence/Function) of This Target
Sequence
MDPFVVLVLCLSCLLLLSIWRQSSGRGKLPPGPTPLPVIGNILQIDIKDVSKSLTNLSKI
YGPVFTLYFGLERMVVLHGYEVVKEALIDLGEEFSGRGHFPLAERANRGFGIVFSNGKRW
KEIRRFSLMTLRNFGMGKRSIEDRVQEEARCLVEELRKTKASPCDPTFILGCAPCNVICS
IIFQKRFDYKDQQFLNLMEKLNENIRIVSTPWIQICNNFPTIIDYFPGTHNKLLKNLAFM
ESDILEKVKEHQESMDINNPRDFIDCFLIKMEKEKQNQQSEFTIENLVITAADLLGAGTE
TTSTTLRYALLLLLKHPEVTAKVQEEIERVVGRNRSPCMQDRGHMPYTDAVVHEVQRYID
LIPTSLPHAVTCDVKFRNYLIPKGTTILTSLTSVLHDNKEFPNPEMFDPRHFLDEGGNFK
KSNYFMPFSAGKRICVGEGLARMELFLFLTFILQNFNLKSLIDPKDLDTTPVVNGFASVP
PFYQLCFIPV
Function
A cytochrome P450 monooxygenase involved in the metabolism of polyunsaturated fatty acids (PUFA). Mechanistically, uses molecular oxygen inserting one oxygen atom into a substrate, and reducing the second into a water molecule, with two electrons provided by NADPH via cytochrome P450 reductase (NADPH--hemoprotein reductase). Catalyzes the hydroxylation of carbon-hydrogen bonds. Hydroxylates PUFA specifically at the omega-1 position. Catalyzes the epoxidation of double bonds of PUFA. Also metabolizes plant monoterpenes.
Full List of Drug Inactive Ingredients (DIGs) Regulating This DBT
          DIG Name: Docusate sodium Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Surfactant
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity IC50 = 372 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Benzethonium chloride Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Antimicrobial preservative; Surfactant
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 172 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Cetrimonium bromide Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Antimicrobial preservative; Surfactant
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity IC50 = 1456 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Sodium desoxycholate Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Antioxidant; Surfactant
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity IC50 = 359.7 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Sucrose palmitate Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Dispersing agent; Emulsifying agent; Solubilizing agent; Surfactant
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 119.1 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Carboxymethylcellulose sodium Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Adsorbent; Binding agent; Disintegrant; Emulsifying agent; Suspending agent; Viscosity-controlling agent
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 373.8 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Gelatin Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Other agent
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 20.5 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Hydroxypropyl cellulose Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Binding agent; Coating agent; Emulsifying agent; Film/Membrane-forming agent; Modified-release agent; Suspending agent; Viscosity-controlling agent
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 89.5 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Hypromellose Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Coating agent
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 211.8 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Polyethylene glycol 1000 Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Coating agent; Diluent; Ointment base; Plasticizing agent; Solvent; Suppository base; lubricant
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity IC50 = 139 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Polyoxyl 35 castor oil Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Emulsifying agent; Solubilizing agent; Surfactant
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 36.1 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Polyoxyl 40 stearate Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Emulsifying agent; Surfactant
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity IC50 = 20.6 uM (tested by experiment) [2]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Polysorbate 20 Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Dispersing agent; Emollient; Emulsifying agent; Plasticizing agent; Solubilizing agent; Surfactant; Suspending agent
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity IC50 = 230 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Polysorbate 80 Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Dispersing agent; Emollient; Emulsifying agent; Plasticizing agent; Solubilizing agent; Surfactant; Suspending agent
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity IC50 = 118.6 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Tocophersolan Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Antioxidant; Binding agent; Emulsifying agent; Ointment base; Solubilizing agent; Surfactant; Suspending agent
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 114.8 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Kollicoat IR Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Film/Membrane-forming agent
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 36.1 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Polyoxyl 15 hydroxystearate Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Emulsifying agent; Solubilizing agent; Surfactant
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 839.3 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
          DIG Name: Sodium caprylate Click to Show/Hide
             Detailed Information DIG Info click to show the detail info of this DIG
             Functional Class    Click to Show/Hide the Functional Class of This DIG
Emulsifying agent; Surfactant
             Experiment for Assessing the Biological Activity of This DIG on the Studied DBT
                   Biological Activity EC50 = 73.4 uM (tested by experiment) [1]
                   Tested Species Homo sapiens (Human)
                   UniProt ID CP2CJ_HUMAN
References
1 Mediation of in vitro cytochrome p450 activity by common pharmaceutical excipients. Mol Pharm. 2013 Jul 1;10(7):2739-48.
2 Effects of polyoxyethylene (40) stearate on the activity of P-glycoprotein and cytochrome P450. Eur J Pharm Sci. 2009 Jul 12;37(5):573-80.

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