vlp designated pav1 isolated from p abyssi
Mechanism of action and binding mode revealed by the crystal structures of key enzymes in plants sugar metalbolic pathway
... fructose-1,6bisphosphatase (cyFBPase) produces F 6P from FBP and is inhibited by fructose-2,6bisphosphate Conversely, phosphofructokinase catalyzes the backward reaction to FBP from F 6P Pyrophosphate:fructose-6-phosphate-1-phosphotransferase ... Ramachandran plot 2.2.8 F 6P- SPS and S 6P- SPS complexes Two complexes F 6P- SPS and S 6P- SPS were obtained by soaking crystals of apoSPS respectively in 20mM F 6P and 20mM S 6P for 12 hours at 25ºC Complete ... orenii SPS belonging to Plant SPS), Synechocystis sp PCC 6803 SPS and Synechocystis sp PCC 6803 SPP F 6P and NDP-Glc binding domains of SPS homologs are deduced by H orenii SPS-F 6P complexed structure...
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Báo cáo y học: "Ultra-low microcurrent in the management of diabetes mellitus, hypertension and chronic wounds: Report of twelve cases and discussion of mechanism of action"
... augmentin Upon examination, the patient was afebrile with stable vital signs, and femoral pulses were present bilaterally Popliteal and pedal pulses were absent bilaterally with poor capillary refill ... data Lipids 2001; 36: S53–S63 67 Cuzzocrea S, Riley DP, Caputi AP, Salvemini D Antioxidant therapy: a new pharmacological approach in shock, inflammation, and ischemia/reperfusion injury Pharmacol ... induces apoptosis in rat pancreatic islets: possible role of oxidative stress Metabolism 2002; 51: 1340–1347 34 38 Ceriello A The possible role of postprandial hyperglycaemia in the pathogenesis...
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Tài liệu Báo cáo khoa học: Antifungal effects and mechanism of action of viscotoxin A3 docx
... peak (membrane disruption) for (a) lipids extracted from fungal spores, (b) PtdCho ⁄ PtdEtn ⁄ PtdSer at molar proportions of 45 : 45 : 10 and (c) PtdEtn ⁄ PtdSer ⁄ SM ⁄ PtdCho at a molar proportions ... enter giant liposomes, composed of PtdCho ⁄ PtdEtn ⁄ PtdSer at molar proportions 50 : 25 : 25, as the theoretical composition of F solani membrane phospholipid (PtdCho ⁄ PtdEtn ⁄ PtdSer, 45 : ... membranes [33,34], i.e liposomes composed of PtdEtn ⁄ PtdSer ⁄ SM ⁄ PtdCho (SM, sphingomyelin) and PtdCho ⁄ PtdEtn ⁄ PtdSer at molar proportions 70 : 11 : 15 : and 45 : 45 : 10, respectively (Fig 1B)...
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Báo cáo y học: "Anti-inflammatory effects and possible mechanism of action of lupeol acetate isolated from Himatanthus drasticus (Mart.) Plumel." ppt
... activities are concerned, the pentacyclic triterpenes including lupeol are a group of promising secondary plant metabolites [4] Lupeol is an important constituent of the species H drasticus and may ... (0.1 mL/10 g, i .p. ), morphine (7.5 mg/kg, i .p. ), LA (10, 25, and 50 mg/kg, i .p. ), morphine + naloxone (7.5 and mg/ kg, i .p, respectively) or LA + naloxone (50 and mg/kg, i .p. , respectively), 30 ... reduction of DPPH was spectrophotometrically determined at 517 nm The radical scavenging activity (RSA) was calculated as the percentage of the DPPH discoloration, by the equation: % RSA = [(ADPPH - As...
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Báo cáo y học: "The triple combination of tenofovir, emtricitabine and efavirenz shows synergistic anti-HIV-1 activity in vitro: a mechanism of action study" pdf
... over the template:primer, the combined inhibition effects of AZT-TP and ddCTP were synergistic [34] Periclou and colleagues reported combinations of AZT-TP+ddATP and AZTTP+ddATP+3TC-TP synergistically ... the presence of high salt 100 mM KCl, while regular binary RT/primer-template complexes dissociate and RT is trapped by cold poly (rA).poly (dT)12–18 and is prevented from rebinding to 3 2P- labeled ... KLW and ESS participated in the study design, data analysis, and manuscript preparation KBE and MDM participated in the preparation of the manuscript Acknowledgements The work was sponsored by...
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Discovery and mechanism of action study of anti viral compounds for dengue virus
... II fusion protein Class II fusion protein is different from class I fusion protein It is composed of mainly beta sheets and has an internal fusion peptide rather than N-proximal peptide which ... possibility of developing a pan-dengue protease inhibitor (Li et al 2005) There were several studies done on peptidic inhibitors that disrupt the viral protease activity (Chanprapaph et al 2005; Ekonomiuk ... This approach is based on using peptidomimetics similar to the viral protease catalytic substrate One such substrate reported was the tetrapetide benzoylnorleucine (P4 )-lysine (P3 )-arginine (P2 )-arginine...
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Characterisation of the effects and mechanism of action of rapamycin and genistein on acute myeloid leukemia using high throughput techniques
... isothiocyanate PI3K Phosphatidylinositol-3 kinase PKM2 Pyruvate kinase M2 PS Phosphatidylserine PTK Protein tyrosine kinase PTM Post-translational modification PVDF Polyvinylidene fluoride Rapa Rapamcyin ... 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4sulfophenyl)-2H-tetrazolium nM Nano molar P. I propidium iodide p7 0S6K p7 0S6 kinase PBS Phosphate buffered saline PBS-T Phosphate buffered saline- Tween PEITC β-phenylethyl ... FK506-binding protein (FKBP12), rapamycin- associated protein (FRAP), rapamycin and FKBP12 target (RAFT1), rapamycin target (RAPT1), and sirolimus effector protein (SEP) The TOR proteins were...
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The mechanism of action of sprouty2 characterization of the interaction between sprouty2 and PKCdelta
... PLCγ Phospholipase C γ PP2A Protein phosphatase 2A pSer phospho-serine PtdIns(4,5 )P2 phosphatidylinositol 4,5-bisphosphate pThr phosphor-threonine pTyr phosphor-tyrosine PVDF polyvinylidene difluoride ... optical density PBS phosphate-buffered saline PCR polymerase chain reaction PH pleckstrin homology PI3K phosphatidylinositol 3-kinase PKC Protein kinase C PKD Protein kinase D PLCγ Phospholipase ... 3.3.2 Spry2 does not affect phosphorylation of T505 on PKCδ 114 3.3.3 Spry2 prevents the phosphorylation of PKD1 by PKCδ 114 3.3.4 Spry2 interacts more strongly with PKCδ in the presence of PKD1...
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Tài liệu BIOCHEMICAL TARGETS OF PLANT BIOACTIVE COMPOUNDS A pharmacological reference guide to sites of action and biological effects doc
... NADPH] 3-phospho-5-pyrophosphomevalonate (Cfj) C (CI) P O , ' (inorganic phosphate, Pi) CH,C(=CH,)-CH,-CH,-O-PO:i-Po:i (IP-PP) (C5) (CH3-C(CH3)=CH-CH2-O-PO:i-PO:i) (DMA-PP) + + + IP-PP and DMA-PP ... H(CH2-C(CH3)=CH-CH2)2-O -P0 3 -P0 3 the starting point for plant (Clo-PP), monoterpenes Further, head-to-tail reaction of geranylpyrophosphate (Clo-PP) with isopentenylpyrophosphate (C,-PP) yields farnesylpyrophosphate ... if one represents the isoprenylpyrophosphate polarities as IP-PP and PP-PI, one could represent phytoene as (IP)4-(PI)4 Head-to-head condensation of two farnesylpyrophosphate (CI,-PP) molecules...
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Tài liệu Báo cáo khoa học: On the mechanism of action of the antifungal agent propionate Propionyl-CoA inhibits glucose metabolism in Aspergillus nidulans doc
... pabaA1; prn-309, cnxJ1 MH2671 cotransformed with pFAB4 and pAN222 (approx 4–8 copies facB) yA2, pabaA1, pdhA1 yA2, pabaA1; pdhB4 yA2, pabaA1; pdhC1 biA1; veA1 yA2, pabaA1; wA3; veA1 pyrG89; DargB::trpCDB; ... G50/A100 G50 /P1 00 G50/A100 /P1 00 A100 G10 /P1 00 A100 /P1 00 G50 G50/A100 G50 /P1 00 G50/A100 /P1 00 A100 G10 /P1 00 A100 /P1 00 G50 G50/A100 G50 /P1 00 G50/A100 /P1 00 A100 G10 /P1 00 A100 /P1 00 G50 G50/A100 G50 /P1 00 G50/A100 /P1 00 ... Glucose/ propionate Glucose/acetate/ propionate Acetate Propionate Succinyl-CoA > acetate (WT) Succinyl-CoA > acetate (DmcsA) Succinyl-CoA > propionate (WT) Succinyl-CoA > propionate (DmcsA) Propionyl-CoA...
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Tài liệu Báo cáo khoa học: Unraveling the catalytic mechanism of lactoperoxidase and myeloperoxidase A reflection on some controversial features Elena Ghibaudi and Enzo Laurenti docx
... fact does not represent proof of the presence of one or two oxidizing equivalents on the decay product of Cpd I The EPR spectrum of a spin-trapped radical in MPO Cpd I has been reported recently ... the species responsible for iodotyrosine coupling is the isomer Cpd I-[FeIV¼O; aa+•] A comparison between HRP, CcP and LPO [56] supports this statement as HRP, which can generate only Cpd I-[FeIV¼O; ... conversion of Cpd II fi LPO [30,36], presumably by the oxidation of superoxide anion, provides experimental data to support this model In the first step, Cpd II would be produced, whereas native LPO would...
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Tài liệu Báo cáo Y học: Tissue factor pathway inhibitor A possible mechanism of action doc
... TFPIÀXaÀVIIaÀTF XaÀTFPIÀVIIaÀTF k d1 ; k þ1 and k À1 , in a complex way For example, the first approximation gives us k XaÀTFPI;VIIaÀTF ¼ k XaÀTFPI;VIIaÀTF þ k XaÀTFPI;VIIaÀTF Appara app a a1 ent values ... ½TFPI þ kXaÀTFPI ½Xa À TFPI; a d dt ðA16Þ d½Xa À TFPI XaÀTFPI ½Xa À TFPI À kXaÀTFPI;VIIaÀTF ½Xa À TFPI ¼ kXa;TFPI ½Xa Á ½TFPI À kd a a dt À Á ½VIIa À TF0 À ½Xa À TFPI À VIIa À TF XaÀTFPIÀVIIaÀTF ... TFPI Xa;TFPI XaÀTFPI;VIIaÀTF ½Xa Á ½TFPI À kXaÀTFPI ½Xa À TFPI À ka ½Xa À TFPI Á ½VIIa À TF ¼ ka d dt þ kXaÀTFPIÀVIIaÀTF ½Xa À TFPI À VIIa À TF; d ð7Þ d½Xa À TFPI À VIIa À TF XaÀTFPI;VIIaÀTF...
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Báo cáo khoa học: Branched chain mechanism of polymerization and ultrastructure of prion protein amyloid fibrils ppt
... proteinase K (PK)-resistant form, referred to as PrP-res, in the presence of PrPSc in a cell-free system [24,25] In these studies, however, only small amounts (approximately 20%) of PrPC supplied to ... multiplication of active PrPSc centers? Multiple effects may contribute to the clearance of PrPSc: strain-specific intrinsic stability of PrPSc [31,32]; species and tissuespecific variations in proteolytic ... determined Despite changes in the shape of the PrP molecule upon conversion from the native a-helical form (inset) into the fibrillar form, the atomic volume occupied by a single PrP polypeptide chain...
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stenersen - chemical pesticides - mode of action and toxicology (crc, 2004)
... Monochlorophos Paraquat Parathion Parathion-methyl Pentachlorphenol Phosphamidon Propham 2,4,5-T Year of Marketing/Patenting 1955 1965 1958 1946 1949 1936 1946 1946 1944 Source: http://www.pan-uk.org/briefing/SIDA_FIL/Chap1.html ... in environmental problems try to speed up the process and promote agricultural production without use of pesticides It is very popular to set up lists of dirty dozens, i.e., compounds that are ... the production of older pesticides without patent protection and produce pesticides that for various reasons Chapter one: Introduction are no longer approved in the U.S or Europe An example is...
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báo cáo khoa học: "Mechanism of action of lenalidomide in hematological malignancies" pptx
... group at 4th position and single oxo group in Phthaloyl ring Pomalidomide C13H11N3O4 273.2 Pomalidomide has amino group at 4th position and two oxo groups in Phthaloyl ring Effects on T-cell proliferation ... http://www.jhoonline.org/content/2/1/36 supporting the tumor suppressor role of EGR-1 in Burkitt's cells Thus, lenalidomide increases the nuclear transport of the pro apoptotic and tumor suppressor EGR1, which could explain its ... striking and is up to 50,000 times more when compared to thalidomide[7] TNF-α is a highly pleiotropic cytokine produced primarily by monocytes and macrophages and plays an important role in protective...
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Chemical Pesticides: Mode of Action and Toxicology - Chapter 2 pptx
... (Stomoxys calcitrans) is an important insect pest in husbandry In the Nordic countries it is an indoor pest, present as many small, partially isolated populations From 1950 to 1965 it was controlled ... equilibrium constant If the onset speed of the symptoms is proportional with the disappearance rate of the biomolecules (–dCB/dt), we get this simple mathematical expression telling us that the higher ... response The graph may be made symmetrical by plotting log dose instead of dose Furthermore, the S-shaped graphs can be changed into straight lines by transforming the responses to probit response...
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Chemical Pesticides: Mode of Action and Toxicology - Chapter 3 pps
... (stroma) pH photons herbicide D1- blocker O2 H+ H+ H NADPH + AT P AD P + Pi + 2H D1 Fd Cytb6 f PQ PC P6 80 Mn H NADP+ AT P Synt hase photons O2 + P7 00 PQH2 2H2O 2H+ O2 + 4H+ H+ H+ H+ inside (lumen) pH ... been used as an efficient spray to control Phytophtora infestans on potatoes, Ventura inaequalis on apples, Plasmopara viticola on vine, and Pseudoperonospora humuli on hops It has a strong blue ... phenols can transport H+ ions across the membrane so that energy is wasted as heat, and not used to produce ATP The name uncouplers arose from their ability to separate respiration from ATP production...
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Chemical Pesticides: Mode of Action and Toxicology - Chapter 4 ppt
... e.g., chitinases, proteases, and phospholipases, of importance to the pathogenicity They disrupt the peritrophic membrane, providing access for the true toxins to the gut epithelium A new class ... in 1938 for use against lepidopterous larvae was Sporeine, which was produced by several companies Names of other old products are Dipel WP, a wettable powder, and Dipel LC, a liquid concentrate ... acts as a protease that specifically splits an enzyme important for internal signaling in the cell (MAP kinase, or MAPKK1 and MAPKK2) MAP kinase is an abbreviation of “mitogen-activated protein...
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Chemical Pesticides: Mode of Action and Toxicology - Chapter 5 docx
... target enzyme is 5-enolpyruvoylshikimate-3-phosphate synthase (EPSPS) The enzyme catalyzes the reaction between shikimate-3-phosphate (S 3P) and phosphoenolpyruvate (PEP) Jaworsky (1972) showed ... to paraoxon; e, o-chlorophenyl diethylphosphate; f, p- chlorophenyl diethylphosphate; g, phenyl phosphate (Data from Aldridge and Davidson, 1952a, 1952b.) Table 5.3 Toxicity of Fenitrothion, Parathion, ... leptophos EPN S C2H5O S P O CN CH3O P O cyanofenphos S P O CH2 dioxabenzofos O Cl C2H5O O Cl C2H5 (CH3)2CHNH P F NHCH(CH3)2 Cl mipafox trichloronate Note that the phosphorus atoms in leptophos...
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