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Báo cáo khoa học: Expression, purification and characterization of the second Kunitz-type protease inhibitor domain of the human WFIKKN protein pot

Báo cáo khoa học: Expression, purification and characterization of the second Kunitz-type protease inhibitor domain of the human WFIKKN protein pot

Báo cáo khoa học: Expression, purification and characterization of the second Kunitz-type protease inhibitor domain of the human WFIKKN protein pot

... Alignment of the sequences of the second Kunitz-modules of the human and fugu WFIKKN proteins (wfikkn_hu_2; wfikkn_fugu_2) with the second Kunitz-domains of the human and the two fugu WFIKKNRP proteins ... Expression, purification and characterization of the second Kunitz-type protease inhibitor domain of the human WFIKKN protein Alinda Nagy, Ma´ria Trexler and La´szlo´PatthyInstitute of ... Thermal unfolding of the protein was monitored at 203 nm at a heating rate of 60 °CÆh)1.Effect of the recombinant protein on the activity of proteases The activity of the proteases on synthetic...
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Báo cáo khoa học: Expression, purification and catalytic activity of Lupinus luteus asparagine b-amidohydrolase and its Escherichia coli homolog potx

Báo cáo khoa học: Expression, purification and catalytic activity of Lupinus luteus asparagine b-amidohydrolase and its Escherichia coli homolog potx

... removed from the final product becauseit did not deactivate the enzyme.EcAIII. The expression and purification protocol of EcA-III yielded 30 mg of pure protein per 1 L of culture. The protein was ... expression of the ybiK gene responded to the presence of cysteine and todefects in t he cysBgene,andtheybiK knockou t mutationimpaired the use of glutathione as sulfur source. However, the molecular ... necessary to destroy the altered proteins and t o allow only the healthy seeds togrow. The presence of L-asparaginase activity agrees alsowith the usage of L-asparagine, the ma in storage com-pound,...
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Báo cáo khoa học: Coexpression, purification and characterization of the E and S subunits of coenzyme B12 and B6 dependent Clostridium sticklandii D-ornithine aminomutase in Escherichia coli potx

Báo cáo khoa học: Coexpression, purification and characterization of the E and S subunits of coenzyme B12 and B6 dependent Clostridium sticklandii D-ornithine aminomutase in Escherichia coli potx

... introduced. The procedures for production and purification of the mutant protein were the same as those of the wild-type. Protein determination and enzyme assay Protein concentrations were determined by the ... describe the construction, coexpression, and purification of the apo-enzyme of D-ornithine aminomutase, together with the temperature effect o n p rotein expression and characteriza-tion of the ... expression vector under the control of the T7promoter, and coexpression of oraE and oraS genes wascarried out in E. co li. Meanwhile, the extent of the involvement of AdoCbl or PLP in the in vivo foldingprocess...
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Báo cáo khóa học: Localization, purification and properties of a tetrathionate hydrolase from Acidithiobacillus caldus pot

Báo cáo khóa học: Localization, purification and properties of a tetrathionate hydrolase from Acidithiobacillus caldus pot

... step. The relatively low purification yield of the enzyme may bedue to several reasons. Copper and several other divalentions stimulated the activity of the tetrathionate hydrolase and they and other ... Dialysis of the crude enzyme extract precipitated about 20% of the total protein, probably because hydrophobic proteins aggregatedin the presence of the high NaCl concentration (1M). Most of the ... other cofactors may be present in the crudeenzyme extract. They may help stabilize the protein but wereremoved during the purification steps, therefore, causing the low purification yield. Another...
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Báo cáo khoa học: Molecular identification and expression study of differentially regulated genes in the Pacific oyster Crassostrea gigas in response to pesticide exposure doc

Báo cáo khoa học: Molecular identification and expression study of differentially regulated genes in the Pacific oyster Crassostrea gigas in response to pesticide exposure doc

... because of the higherconcentrations of pesticides (between 1 gÆL)1 and 2mgÆL)1, according to the herbicide) and shorter time of exposure (between 8 and 24 h) used by the authors.In another ... for 7 and 21 days [22], and some of these genes were also present in the herbicide SSH lib-raries (including glutamine synthetase and cathepsin).In our experiments, we tested a cocktail of the ... less than the concentrations introduced in the tanks, probably dueto adsorption of atrazine to the surfaces of the tanks and possibly due to removal by the fish themselves[46]. Moreover, the authors...
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Báo cáo khoa học:

Báo cáo khoa học: "Joint Identification and Segmentation of Domain-Specific Dialogue Acts for Conversational Dialogue Systems" doc

... classes. The basic idea is to find the best segmentation(that is, the one with the highest score) of the portion of the input text up to the ithword. The base case Siwould be for i = 1 and it is the ... point of the extracted dialogue act and the starting point of the paired annotation. We do the same for the endingpoint and we average the two error figures. The result is binned to form the histogram ... too slowfor some of the longer utterances (with 30 words ormore).Figure 2 shows the histogram of the average error(absolute value of word offset) in the start and end of the dialogue act segmentation....
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Báo cáo khoa học: In vitro selection and characterization of a stable subdomain of phosphoribosylanthranilate isomerase potx

Báo cáo khoa học: In vitro selection and characterization of a stable subdomain of phosphoribosylanthranilate isomerase potx

... cata-lysis (the C-terminal residues of each b-strand and the loops that connect each strand, bn, to the followinghelix, an) from those that stabilize the overall fold (the core b-barrel and the ... untested, and the absence of a robust system somewhat limits the potential forredesigning these proteins. The (ba)8-barrel proteinsare predominantly cytoplasmic, often co-ordinatecofactors ... display, and foraddressing the hypothesis that the active-site-formingloops of (ba)8-barrel proteins could be regarded asmodular with respect to the rest of the scaffold. PRAIcatalyzes the Amadori...
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Báo cáo khoa học: Local binding with globally distributed changes in a small protease inhibitor upon enzyme binding ppt

Báo cáo khoa học: Local binding with globally distributed changes in a small protease inhibitor upon enzyme binding ppt

... chan-ges, some of the dynamical features of the free inhibitor are retained in the complex. Comparison of the free and complexed inhibitor structuresrevealed that most, but not all, of the observed ... con-tribute to the differences in taxon specificity of SGCI and SGTI. The specificity of the interaction of SGCI and SGTIwith proteases can only be assessed by investigating the appropriate enzyme inhibitor ... with the chemical shift changes of the amide NH groups (Fig. 3) .The most affectedregions in terms of backbone dihedral differences are the protease- binding loop and the N-terminal part of the...
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Báo cáo khoa học: Cloning, over-expression, purification and characterization of Plasmodium falciparum enolase doc

Báo cáo khoa học: Cloning, over-expression, purification and characterization of Plasmodium falciparum enolase doc

... suggesting the existence of a third inhibitory site.Univalent cations also influence the activity of enolases.Most of the enolases are inhibited by Na+,whereastheeffect of K+depends on the source ... xaminewhether modification of Cys157 and other P. falciparum-specific residues in the vicinity of the active site leads toirreversible inactivation of Pfen. Comparative studies on the structural and ... polymerase and 2 lL of the template library in a final volume of 20 lL. The amplified enolase PCR product and the pQE30plasmid vector were digested with KpnIandPstIrestriction enzymes, and these were...
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Báo cáo khoa học: Expression and purification of orphan cytochrome P450 4X1 and oxidation of anandamide pdf

Báo cáo khoa học: Expression and purification of orphan cytochrome P450 4X1 and oxidation of anandamide pdf

... products,distinct from the liver products, at rates of 7 and 17 pmolÆmin)1Æmg)1 protein. None of the productswere identified. In the study of Snider et al. [11], the rates of production of anandamide oxidation ... (spanning the start codon at the 5¢-end) and an XbaIrestriction site (at the 3¢-flanking end of the sequence). The insert of the correct size was ligated into the pCW vector, inboth the monocistronic ... on the terminologyused for receptors and other proteins without knownligands. The largest number of orphans is found withinP450 family 4 which consists of six human subfamilies:4A, 4B, 4F and...
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