box 25 4 commonly used sedatives and anal­gesics15

... cytochrome P450 enzymes Chem Rev 1 04, 3 947 –3980 Tuckey RC & Stevenson PM (19 84) Properties of ferredoxin reductase and ferredoxin from the bovine corpus luteum Int J Biochem 16, 48 9 49 5 Tuckey ... spectrum (Fig 6A), the correlation between 3-CH and 4- CH2 (2.53 p.p.m and 2.19 p.p.m.), and the correlation between 3-CH and 2-CH2 (1.97 p.p.m and 1.52 p.p.m.), are clearly intact In the TOCSY ... Cancer Res 1 64, 3–28 Holick MF (2003) Vitamin D: a millenium perspective J Cell Biochem 88, 296–307 Bikle DD (20 04) Vitamin D regulated keratinocyte differentiation J Cell Biochem 92, 43 6 44 4 10 Zbytek...

Ngày tải lên: 18/02/2014, 17:20

... of rabbit CYP4B1 (cyp4b1), rat CYP4B1 (cyp4b1) and human CYP4B1 (cyp4b1) The conserved region is underlined (B) Alignment of deduced amino acid sequence of rat, human and mouse CYP4x1 proteins ... Cyp4a and Cyp4b but not of CYP4F, genes in mouse and humans Biochem J 325, 741 – 749 Jeffery B et al (20 04) Peroxisome proliferator activated receptor alpha regulates a male-specific cytochrome P450 ... novel murine P -45 0 gene, Cyp4a 14, is part of a cluster of FEBS Journal 273 (2006) 936– 947 ª 2006 The Authors Journal compilation ª 2006 FEBS 945 Cyp4x1 in mouse brain 10 11 12 13 14 15 16 M Al-Anizy...

Ngày tải lên: 19/02/2014, 07:20

... H117 and F4 84) and two in substrate specificity (F116 and F4 84) This was achieved after sequence alignment analyses and site-directed mutagenesis [32] These amino acids belong to the SRS1 and SRS6 ... structure of human cytochrome P450 2C9 with bound warfarin Nature 42 4, 46 4 46 8 24 de Groot, M.J & Ekins, S (2002) Pharmacophore modeling of cytochromes P450 Adv Drug Deliv Rev 54, 367–383 25 Lewis, D.F ... 12.9 12.8 8.7 8.1 960 390 650 750 245 190 1.00 0.55 0.85 0. 84 0.57 0.53 1.00 0 .40 0.67 0.78 0.25 0.20 1.00 0. 74 0.79 0.92 0 .44 0.37 ± ± ± ± ± ± 3.6 5.5 4. 6 3.8 4. 2 6.7 (3) (3) (3) (3) (3) (3) ±...

Ngày tải lên: 19/02/2014, 12:20

... {4TS1-III} 2 .46 5 {2.523} OCC: 90.5 {85.0} 4TS2-IV {4TS2-III} TS1-III 17 .4 14. 9 13.9 4TS1 42 (z2) cat 4TS1-IV 42 (xy) cat 22 cat 4TS2-III 10 .4 42-III 0.9 0.6 0.0 4, 21 + C2H4 22-IV 4TS2-IV 3.2 42 -IV ... carbon 43 52 P Hlavica (Eur J Biochem 271) 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 monoxide on the N-oxidation of N,N-dimethylaniline HoppeSeyler Z Physiol Chem 355, 150815 14 Gasser, ... 0.0 4, 21 + C2H4 22-IV 4TS2-IV 3.2 42 -IV 1 .48 6 (1 .48 2) {1 .48 8} [1 .46 5] 1.810 (1.808) {1.821} [1.978] 2.9 1 .46 4 (1 .47 3) {1 .46 9} [1.395] 2.381 (2 .42 1) {2 .44 7} [2.362] OCC: 107.0 (108.2) {107.7} [119.5]...

Ngày tải lên: 19/02/2014, 16:20

... cytochrome P450 arachidonic acid epoxygenase indicates that 14, 15epoxyeicosatrienoic acid functions as an intracellular CYP77A4, an epoxy fatty acid-forming enzyme 41 42 43 44 45 46 47 48 49 50 51 ... long chain fatty acids by recombinant CYP4F8 and CYP4F12 and catalytic importance of Tyr-125 and Gly-328 of CYP4F8 Arch Biochem Biophys 44 1, 1 74 181 19 Kandel S, Sauveplane V, Olry A, Diss L, Benveniste ... associated with angiogenesis [41 ,42 ] CYP2C and CYP2J2 have also been shown to be expressed in different tumor tissues [43 ,44 ] Epoxides of fatty acids are less described in plants, and only a few biological...

Ngày tải lên: 07/03/2014, 03:20

... E2 [FMNhqFADox] [FMNsqFADsq] E4 5 3 11 )388 )382 )40 3 )381 ) 342 )41 7 )385 )46 2 )41 9 11 10 6 11 1.7 103 23.7 75.6 16.8 57.7 53 .4 145 .8 1 .4 2.7 0.3 0.2 0.3 0.2 0.7 0.2 ... cytochrome P450 reductase FEBS Journal 275 (2008) 45 4 045 57 ê 2008 The Authors Journal compilation ê 2008 FEBS 45 41 Electron transfer in cytochrome P450 reductase S Brenner et al CPR [30]) and the ... namely )43 mVặpH)1 (E1), )17 18 mVặpH)1 (E2), )32 mVặpH)1 (E3) and )47 10 mVặpH)1 (E4) The incomplete expression of the expected redoxBohr effect may result from FEBS Journal 275 (2008) 45 4 045 57...

Ngày tải lên: 07/03/2014, 06:20

... same buffer and eluted with a 0–0 .4 M KCl gradient The P450nor fraction was concentrated, dialysed, and stored at °C until further analyses Ó FEBS 20 04 Asp88 in haem-distal pocket of P450nor (Eur ... as those of the wild-type P450nor, i.e its ferric resting form (Fe3+) comprises a mixture of high- and low-spin states, and the CO-bound form gives a Soret band at 44 8 nm These spectra show that ... haem-distal pocket of P450nor Negative charge residues (D88 and D393) are depicted in red, haem in magenta, haem-iron in grey, and positive charge residues (K62, R 64, R1 74, and K291) in blue Data...

Ngày tải lên: 07/03/2014, 15:20

... 1.15 40 .46 40 .46 69.06 N/A – 119.33 – 33.18 33.18 37.08 37.08 30.55 50.90 – 22.89 22.89 34. 96 34. 96 – 51.03 23.57 23.57 30.60 30.60 81 .45 11.36 22.88 1. 64 2.02 2.18 2 .41 N/A 5. 64 N/A 2.23 2 .40 ... 55.65 – 24. 20 24. 20 37.8 37.8 – 51.65 24. 1 24. 1 30.2 30.2 82.2 11 .4 13.25 2.31 1 .48 4. 11 N/A N/A 5.70 N/A 2.20 2.51 1.09 1.77 1.90 1.39 N/A 1.71 1.15 0. 94 1.92 N/A 0.96 1.51 1.27 1.88 1.36 3 .49 0.71 ... 1 .43 0. 94 1.81 N/A 0.93 1.56 1.26 1.91 1.38 3.50 0.72 1.18 36.22 36.22 34. 33 34. 33 – 123. 84 – 33.12 33.12 37.17 37.17 36.19 54. 76 – 21.30 21.30 32.32 32.32 – 51.09 23.78 23.78 30 .48 30 .48 81.54...

Ngày tải lên: 07/03/2014, 16:20

... 56-kDa CYP153 from FEBS Journal 272 (2005) 1 148 –1159 ª 2005 FEBS Studies on the mycobacterial P450mor system 41 42 43 44 45 46 47 48 49 Acinetobacter sp EB1 04 Biochem Biophys Res Commun 286, 652–658 ... Biochemistry 30, 44 7– 45 5 26 Peterson JA, Lu JY, Geisselsoder J, Graham-Lorence S, Carmona C, Witney F & Lorence MC (1992) Cytochrome P -45 0terp Isolation and purification of the protein and cloning and sequencing ... bacterial P450 system distinct from other purified bacterial P450 systems which either utilize a Fe2S2 ferredoxin-like P450cam [23] or belong to the microsomal type of P450s like P450BM3 [ 24] and are...

Ngày tải lên: 07/03/2014, 16:20

... hydroxylates vitamin D3 31 32 33 34 35 36 37 38 39 40 41 42 43 epithelial cells synthesize glucocorticoids and regulate T cell activation J Exp Med 200, 1635–1 646 Dalla Valle L, Toffolo V, Vianello ... adrenals [41 ,42 ] Adrenodoxin (FDX1) was expressed in E coli and purified as described previously [43 ] Reactions to modify the side chain of vitamin D3 were performed with purified bovine P450scc and ... 40 °C The mobile phases consisted of 85% methanol and 0.1% acetic acid from to 30 min, followed by linear gradient to 100% methanol and 0.1% acetic acid from 30 to 45 min; and 100% methanol and...

Ngày tải lên: 07/03/2014, 21:20

... porcine and hamster CYP17 catalyse the D4 and D5 hydroxylase and lyase reactions, yielding both DHEA and A4 [ 14 16] The alignment of mammalian cytochromes P450 with bacterial cytochromes P450 has ... with a maximum at 42 4 nm and a minimum at 40 9 nm is characteristic of cytochrome b5 [20] The concentration of baboon adrenal cytochrome P450 was 0.55 nmolÆmg)1 microsomal protein and the concentration ... microsomes (0.5 lM P450) and 15 min, respectively, are shown in Fig 3A and B A4 and 16a-hydroxyprogesterone were not detected The metabolism of 17-OHPROG by baboon adrenal microsomes (Fig 4) showed that...

Ngày tải lên: 08/03/2014, 09:20

... 0.8 14 1515 4 1311 10.2 ± 2.1 7.6 ± 2.0 8 .4 ± 0.8 )18.2 ± 3.8 )138.8 ± 27.8 4. 6 ± 2.0 – – )10.6 ± 1.1 )53.1 ± 21.9 35–1 140 206–12 14 208– 141 8 11–1150 1150– 149 0 5.6 20.0 50 40 0 2.80 3.05 2. 94 3.18 ... 2.68 – 40 00 2000 40 0 20 10 50 5.0 4. 5 3.8 4. 8 1 1 1150 1380 1 5.1 41 .1 69.9 91.8 Substrate-free Norcamphor Norbornane Camphane 29.50 ± 0.70 (46 %) 297 ± ( 54% ) – 381 ± 43 (100%) – 332 ± 14 (100%) ... kJÆmol)1 and )27 .45 kJÆmol)1 for camphor-bound # and substrate-free P450cam, respectively Therefore, DGon )1 for substrate-free P450cam is lower ( 34. 44 kJÆmol ) than # DGon for camphor-bound P450cam...

Ngày tải lên: 08/03/2014, 23:20

... P450 1A2 and an excess of NADPH-P450 reductase (BD Gentest SupersomesÒ, 20 pmol P450 in 0.50 mL of 50 mm potassium phosphate buffer, pH 7 .4) were used instead of the recombinant (bacterial) P450 ... 4. 2 ± 1.0 7-OMe coumarinc 9 .4 ± 0 .4 9.6 ± 0.2 7-OEt coumarind 6.1 ± 1 .4 6.1 ± 1.1 a A : molar mixture of d0 and [methyl-d3] 7-OMe coumarin was used as the substrate, and the kinetic isotope effect ... assays with d0 and perdeuterated (at the carbon being oxidized) substrates and comparing the v versus S plots (Figs and 3, and Tables and 3) The patterns were very similar for 7-OMe and 7-OEt coumarin,...

Ngày tải lên: 16/03/2014, 13:20

... for P450 induction, and the amount of E (inducing P450 protein) and 20E (inhibiting P450 activity) present in the tissues at this time When E is topically applied to calli, P450 is expressed and ... and incubated for 24 h Microsomes were prepared and their P450 content was measured (B) We applied 60 nmol E per 100 mg to the calli and P450 was measured at different times P450 content was measured ... calli Control calli, and P450 inhibitortreated calli, were treated with E and after 24 h the transformation of E to 20E was evaluated using HPLC As shown in Fig 4, all the P450 inhibitors D Canals...

Ngày tải lên: 16/03/2014, 23:20

... genes 10 11 12 13 14 15 Acknowledgements Supported by Fundacao para a Ciencia e Tecnologia – grant PRAXIS ¸ ˜ ˆ 4/ 4.1/BD/2999 (E.R); project PRAXIS XXI 2/2.1/BIA/2 34/ 94 – and by the Franco-Portuguese ... rapid (30 min) increase of C/EBPa and C/EBPb mRNA was observed [42 ] Others have shown that induction of C/EBPb mRNA by dexamethasone begins 30 after treatment [43 ,44 ] Dexamethasone transiently reduces ... lg of CYP3A1T81Luc plasmid and different amounts of each expression vector Cells were inoculated in 24- well plates and maintained for 48 h These cells were harvested and lysed in reporter lysis...

Ngày tải lên: 17/03/2014, 09:20

... Struct Biol 3, 41 4 41 7 Schlichting, I., Berendzen, J., Chu, K., Stock, A.M., Maves, S.A., Benson, D.E., Sweet, R.M., Ringe, D., Petsko, G.A & Sligar, 35 36 37 38 39 40 41 42 43 44 45 46 47 S.G (2000) ... residues (P360 and P3 64) The resulting topology orients three leucine side chains toward the active site (L358, L359 and L363) In P450CAM [46 ] and P450TERP [47 ], SRS is a b-strand partially involved ... 3685 Table PCR primers used for site-directed mutagenesis The DKR primer, meant to generate K 248 T/R 249 M double mutants, actually produced the D 247 E/K 248 T/R 249 M and K 248 T/R 249 M/I371K triple mutants...

Ngày tải lên: 17/03/2014, 10:20

... (NMe-DPhe-Gly)+ 43 1 328 ()103) M+H C3H5NO3 318()113)-Leu 45 3 42 3 ()30) M + Na 46 9 43 9 ()30) M+K 42 9 M)H 46 5, 46 7 M ) H + HCl 48 9 M)H+ CH3CO2H MS-MS+ CH2O and H2O), 42 9 (loss of AcOH) and 399 (loss of AcOH and ... 355 ( )44 ) CH2NO 289 ()110) 271 ()128) 41 1 ()18) 381 ()30, )18) 311 ()118) 43 5, 43 7 ()30) 399 ()30, )36) 45 9 ()30) 44 1 ()30, )18) 42 9 ()60) 399 ()60, )30) 356 ()57) 41 3 M + H ) H2O C2H3NO 342 ()71) ... 3B and Table 2), the mass spectrum shows fragments at 41 3, 43 1, 45 3 and 46 9 Both m z at 45 3 (M + Na)+ and m z at 46 9 (M + K)+ conducted under collision lead to 30 amu losses, whereas the 41 3...

Ngày tải lên: 22/03/2014, 16:20

... acids and is required for anther cutin biosynthesis FEBS Journal 278 (2011) 195–205 ª 2010 The Authors Journal compilation ª 2010 FEBS F Pinot and F Beisson 40 41 42 43 44 45 46 47 48 49 and pollen ... is also conserved in land plants and typically each plant species contains only one CYP703 [37] CYP704B1 and CYP704B2 belong to a conserved and ancient P450 family in moss and seed plants This ... vitro activity and physiological roles of characterized plant cytochrome P450s metabolizing fatty acids Cytochrome P450 Plant Enzymatic activity Physiological role Ref 94A1 94A2 94A5 94C1 86A1 86A2...

Ngày tải lên: 22/03/2014, 16:21

... microbial fatty acid metabolism 34 35 36 37 38 39 40 41 42 43 44 45 46 hydrogen peroxide dependent fatty acid alpha-hydroxylase from Sphingomonas paucimobilis J Biochem 1 24, 105–110 Sono M, Roach MP, ... Schunck W-H (1996) Characterization of the n-alkane and fatty acid hydroxylating cytochrome P450 forms 52A3 and 52A4 Arch Biochem Biophys 328, 245 –2 54 24 Zimmer T, Scheller U, Takagi M & Schunck W-H ... microbial fatty acid metabolism 47 48 49 50 51 52 53 54 55 56 57 58 59 220 I N A Van Bogaert et al sophorolipid-producing yeast Candida bombicola FEMS Yeast Res 9, 87– 94 Alexander NJ, Proctor RH & McCormick...

Ngày tải lên: 22/03/2014, 16:21