what is the difference between the process of photosynthesis and respiration
Tài liệu Báo cáo khoa học: Characterization of the interaction between the plasma membrane H+-ATPase of Arabidopsis thaliana and a novel interactor (PPI1) doc
... withPPI1588His6. The analysis of the effect of PPI1588His6on the dependence of PM H+-ATPase activity on the concen-tration of MgATP (Fig. 3) showed that stimulationdecreased with the increase of ... study the mechanism of action of PPI1. The analysis of the pH dependence of PPI1-induced activation of the H+-ATPase showed thatstimulation decreases dramatically with the increase of pH above ... byFC-induced binding of 14-3-3s.Results The C-terminus of isoform 1 of the PM H+-ATPase of A. thaliana (AHA1) interacts with the first 88 aminoacids of PPI1 [22], indicating that the PM H+-ATPasebinding...
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in prostate tests psa what is the difference between total psa and free psa
... tests PSA what is the difference between total PSA and free PSA? What is the normal range? In addition, how can it be that if there is ANY prostate specific antigen in the blood that there is no ... made in the prostate gland in ductal cells. These cells make some of the semen that comes out of the penis during sexual climax (orgasm). PSA helps to keep the semen liquid.PSA is measured ... cancer.Source(s):http://cancer.about.com/od/prostatecance…http://www.harvardprostateknowledge.org/…http://www.psa-rising.com/med/info/psa.h…PSA is a protein produced by the cells of the prostate gland. The most frequently used PSA - prostate-specific antigen test - is the total PSA, which measures the...
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Báo cáo khoa họcRe-engineering the discrimination between the oxidized coenzymes NAD+ and NADP+ in clostridial glutamate dehydrogenase and a thorough reappraisal of the coenzyme specificity of the wild-type enzyme docx
... identification of NAD+peakIsolation and mass spectroscopic analysis confirmed the identity of the contaminant. Comparison with the spectrum of an authentic NAD+sample revealedtotal similarity of the ... moiety of the coenzyme resultingfrom splitting off the nicotinamide ring, suggestingthat the covalent bond between the nicotinamide and the ribose of the coenzyme is particularly labile. The signal ... few seconds. The small differences in the height of this plateau for different concentrations of enzyme (5–20 lm) are due to shifts in the baselineas a result of the contribution of the enzyme...
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Báo cáo khóa học: Disruption of the interaction between the Rieske iron–sulfur protein and cytochrome b in the yeast bc1 complex owing to a human disease-associated mutation within cytochrome b potx
... region and the cytochrome bextramembranous cd2 helix is important for maintaining the structure of the hinge region and, by consequence, the movement of the headgroup and the integrity of the enzyme.Keywords: ... [2Fe)2S] prosthetic group of the ISP is located within the soluble C-terminal domainon the P-side of the inner mitochondrial membrane. Thisdomain consists of residues 93–215 (using the the yeastsequence ... leader sequence. It is translated on cytoplasmic ribosomes and imported into the mitochondria. Studies of the mechanism of assembly of the bc1complex suggest that the ISP is one of the lastsubunits...
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Báo cáo Y học: Inhibition of the SERCA Ca21 pumps by curcumin Curcumin putatively stabilizes the interaction between the nucleotide-binding and phosphorylation domains in the absence of ATP pot
... respectively, and [EL] is the concentration of boundligand. The total concentration of sites can be expressed asN[E]0, the product of total protein concentration ([E]0) and the number of binding ... number of bindingsites per protein molecule, [E]0 is the protein concentration,[L]0 is the total concentration of ligand, and Kd is the dissociation constant for bindingUsing this equation, ... contact in the absence of ATP, curcumin is then able tobind to the ATPase (possibly at the hinge region) locking the two domains together and therefore precluding ATP binding(i.e. inhibiting the ATPase...
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the relationship between corporate social responsibility implementation and the development of five selected companies in hanoi
... enterprises. Therefore, with the intension to find out CSR implementing situation of companies in Ha Noi, this study is conducted. The objective of this study is to assess the understanding of ... Description and Analysis of Questionnaire about Vinamilk 4.4.2 Description and Analysis of Questionnaire about Tam Viet 4.4.3 Description and Analysis of Questionnaire for managers of Vinamilk and ... realized the effort of Vinamilk, and considered this action as a contribution to society. 25 seems to be right rather than show his/her own idea. On the other hand, in the time respondent is...
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Báo cáo khoa học: ATP-binding domain of heat shock protein 70 is essential for its effects on the inhibition of the release of the second mitochondria-derived activator of caspase and apoptosis in C2C12 cells potx
... Smac is notrequired with respect to the role of HSP70 in the inhi-bition of the release of Smac and apoptosis. The role of the ATP-binding domain of HSP70in the prevention of the release of ... domain of HSP70 is essential for the inhibition of H2O2-induced activation of caspases-9 and -3 and apoptosis. (A) The effects of HSP70 and its deletion mutant proteins on the acti-vation of ... release and the activation of caspases-9 and -3, thereby preventing DNA fragmenta-tion and apoptosis in cells under H2O2-induced oxida-tive stress. This is similar to the protective effects of another...
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Báo cáo khoa học: The proximity between C-termini of dimeric vacuolar H+-pyrophosphatase determined using atomic force microscopy and a gold nanoparticle technique ppt
... same side of the membrane, and they are close to each other, asvisualized with antibody and gold nanoparticles against 6·His tags onC-terminal ends of the enzyme. The distance between the V-PPase ... 7B),indicating the dimeric structure of the enzyme. The his-togram showing the distribution of distances between GNP pairs observed from the TEM image yields a meandistance of 1.9 ± 0.8 nm ... dV2ị2ịwhere NA is the Avogadro constant (6.022 Ã 1023ặmol)1), V1 is the partial specic volume of the protein (0.74 cm3ặg)1),V2 is the specic volume of water (1 cm3ặg)1), and d is afactor...
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Báo cáo Y học: Amino acids 3–13 and amino acids in and flanking the 23FxxLF27 motif modulate the interaction between the N-terminal and ligand-binding domain of the androgen receptor pdf
... Rotterdam, the Netherlands The N-terminal domain (NTD) and the ligand-bindingdomain (LBD) of the androgen receptor (AR) exhibit aligand–dependent interaction (N/C interaction). Aminoacids 3–36 in the ... was lost. The most obvious difference between both assays is the coupling of AR.NTD to GalAD in the yeast assay, and the absence of a second transactivationdomain linked to AR NTD in the mammalian ... N/C inter-action affects ligand dissociation [11,20,56]. Whether this is a direct or an indirect effect is unknown. Disruption of the N/C interaction by mutation of the 23FxxLF27motif has alimited...
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Báo cáo khoa học: The starch-binding capacity of the noncatalytic SBD2 region and the interaction between the N- and C-terminal domains are involved in the modulation of the activity of starch synthase III fromArabidopsis thaliana pdf
... protein makes this isoform a potential target for the manipulation of the level and quality of plantstarch. However, little is known about the role of SSIII in starch synthesis and the structure–functionrelationship ... Whereas the production of ADPGlc via ADPGlcPPase is the first committed step in starch biosynthe-sis, SS catalyzes the elongation of a-1,4-glucans by the transfer of the glucosyl moiety from the ... capacity and also modulating the catalytic properties of the enzyme [19]. To extend the information about the role of the noncatalyticSBD regions and their effect on the C-terminal CD,we further...
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![Báo cáo khoa học: Investigation of the interaction between the atypical agonist c[YpwFG] and MOR docx](https://media.store123doc.com/images/document/14/rc/ht/small_57MlXT7HZ5.jpg)
Báo cáo khoa học: Investigation of the interaction between the atypical agonist c[YpwFG] and MOR docx
... description of the binding mode and the electronic and steric proper-ties of the c[YpwFG] ligand.ResultsSynthesis and pharmacological characterization of the cyclopeptides c[YpwFXaa]We synthesized ... investigation of the complexes obtained by the molecular docking pro-cedure furnished a more detailed description of the binding mode and the electronic properties of the ligands. The comparison with the ... that allows the simulation of the adapta-tion of the receptor upon ligand binding. This proce-dure give rise to a rearrangement of the residuesforming the binding site around the ligand (‘inducedfit’),...
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THE ENVIRONMENTALLY BENIGN PULPING PROCESS OF NON-WOOD FIBERS pptx
... condition due to a deacetylation of the raw material. The main part of the sugars and 20 % of lignin is dissolved in this stage. The second stage involves the addition of sodium hydroxide at an ... justified in terms of cost. The acceptable quality of the pulp produced and the ease of recovery of the solvent by rectification also make the use of ethanol and methanol attractive. Furthermore, ... from softwood or hardwood trees. Pulping is the process by which wood is reduced to a fibrous mass. It is the means of rupturing the bond within the wood structure. The commercial processes...
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Báo cáo khoa học: Biochemical and enzymological aspects of the symbiosis between the deep-sea tubeworm Riftia pachyptila and its bacterial endosymbiont pptx
... this way, although the symbiont is the obligatory primary site of carbon and nitrogen fixation the host tissues participate to this process [13,14]. The unusual presence of the enzymes of t his ... Arginine metabolism in R. pachyptila. Both the worm and the bacterium possess the enzymes for the biosynthesis of arginine. In the worm (including the bacteriocytes) t his biosynthesis involves ammo-nium ... biosynthesis.Distribution of the enzymes of the salvage pathwaysin the different parts of Riftia pachyptilaBecause the worm is unable to synthesize the pyrimidinenucleotides through the de...
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