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Báo cáo khoa học: The occurrence of riboflavin kinase and FAD synthetase ensures FAD synthesis in tobacco mitochondria and maintenance of cellular redox status docx

Báo cáo khoa học: The occurrence of riboflavin kinase and FAD synthetase ensures FAD synthesis in tobacco mitochondria and maintenance of cellular redox status docx

Báo cáo khoa học: The occurrence of riboflavin kinase and FAD synthetase ensures FAD synthesis in tobacco mitochondria and maintenance of cellular redox status docx

... compilation ª 2008 FEBS 231 The occurrence of riboflavin kinase and FAD synthetase ensures FAD synthesis in tobacco mitochondria and maintenance of cellular redox status Teresa A. Giancaspero1, ... efficiencies.Once inside mitochondria, riboflavin is converted into catalytically activecofactors, FMN and FAD, due to the existence of a mitochondrial ribofla-vin kinase (EC 2.7.1.26) and an FAD synthetase ... functionality of mitochondrial electron transport, photosynthesis,metabolism of fatty acids, some amino acids, choline and betaine, and synthesis of vitamin B6, vitamin B12,folate, and protoporphyrin....
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Tài liệu Báo cáo khoa học: The occurrence of hemocyanin in Hexapoda docx

Tài liệu Báo cáo khoa học: The occurrence of hemocyanin in Hexapoda docx

... means of two Cu+ions, each of which is coordinated bythree histidines in two distinct binding sites. Somehemocyanins assemble into large oligomers of up to8 · 6 subunits [1]. The occurrence and ... types (Hc1 and Hc2) with the exception of PmaHc1. An insertion of nine aminoacids in PamHc2 starting at amino acid 435 is uniqueto subunit types 2. On the amino acid level, the hemo-cyanin subunits ... basal to the hexamerins of the dicondylian insects (Fig. 2). Hemo-cyanins and hexamerins share many characteristics in Fig. 3. Occurrence of both hemocyanin subunit types in Hexapoda. The phylogenetic...
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Tài liệu Báo cáo khoa học: The Alzheimer b-peptide shows temperature-dependent transitions between left-handed 31-helix, b-strand and random coil secondary structures doc

Tài liệu Báo cáo khoa học: The Alzheimer b-peptide shows temperature-dependent transitions between left-handed 31-helix, b-strand and random coil secondary structures doc

... temperature dependent, and the temperaturedependence varies within the peptide group. From the fitting of hPIIaccording to the linearized model in Eqns (5) and (6) to the data of Fig. 2, a transitiontemperature ... structure of the Ab-peptide shows that the PII content of the fulllength peptide should be % 40% at low temperature and predominantly in the N-terminal half of the pep-tide [14]. The PII-helix ... Sweden The amyloid b-peptide (Ab) is the major component of the amyloid plaques found in the extracellular com-partment in the brains of patients suffering fromAlzheimer’s disease. The Ab-peptide...
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Báo cáo khoa học: The organotellurium compound ammonium trichloro(dioxoethylene-o,o¢)tellurate reacts with homocysteine to form homocystine and decreases homocysteine levels in hyperhomocysteinemic mice pptx

Báo cáo khoa học: The organotellurium compound ammonium trichloro(dioxoethylene-o,o¢)tellurate reacts with homocysteine to form homocystine and decreases homocysteine levels in hyperhomocysteinemic mice pptx

... levels of homocysteine. We first tested the effect of AS101 on apoptosis in HL-60 cells in the presence of homocysteine in the medium. d,l-Homocy-steine (6 mm) increased the percentage of hypodiploidAS101 ... AS101 and homocysteine. The calculated Mr of homocystine is 267.047, whereas the measured Mr of the RP was 267.049 (Fig. 3F). The similar H1-NMR information and the lack of free SHgroups in the ... with the amino acid homocysteine both in vitro and in vivo. AS101 conferred protection against homocysteine-inducedapoptosis of HL-60 cells. The protective mechanism of AS101 againsthomocysteine...
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Báo cáo khoa học: The CssRS two-component regulatory system controls a general secretion stress response in Bacillus subtilis pdf

Báo cáo khoa học: The CssRS two-component regulatory system controls a general secretion stress response in Bacillus subtilis pdf

... to the quality control systems of B. subtilis. These systems consist of foldases and proteases that are involved in the correct folding of proteins and ⁄ or the removal of incompletely synthes-ized, ... proteins, lipase A of B. subtilis and humaninterleukin-3, show that the intensity of the protein secretion stressresponse only partly reflects the production levels of the respective proteins.Importantly, ... pro-duction in the respective prsA3, cssS or cssR single-mutant strains (note that the prsA3 mutation results in a 10-fold reduction in the cellular concentration of the essential PrsA protein [3]). These...
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Báo cáo khoa học: The mouse Muc5b mucin gene is transcriptionally regulated by thyroid transcription factor-1 (TTF-1) and GATA-6 transcription factors pdf

Báo cáo khoa học: The mouse Muc5b mucin gene is transcriptionally regulated by thyroid transcription factor-1 (TTF-1) and GATA-6 transcription factors pdf

... gain aninsight into, and to understand, the regulation of the murine homolog of MUC5B. In the present study, wehave isolated and characterized the promoter of the murine Muc5b mucin gene in ... aimed at the identification of the biological role of Muc5b in the lung employingmouse models.ResultsCharacterization of the sequence of the promoter of the murine Muc5b mucin gene The sequence ... [12]. In the mucinous type of bronchioloalveolar carcinoma,MUC5B expression is the most intense, together withthat of MUC5AC. The expression of MUC5B is lost in poorly differentiated and nonmucinous...
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Báo cáo Y học: The plant S-adenosyl-L-methionine:Mg-protoporphyrin IX methyltransferase is located in both envelope and thylakoid chloroplast membranes pot

Báo cáo Y học: The plant S-adenosyl-L-methionine:Mg-protoporphyrin IX methyltransferase is located in both envelope and thylakoid chloroplast membranes pot

... of two moieties of distinct origin, c hlorophyllide and phytol. The initial steps in c hlorophyllide synthesis, from the biosynthesis of d-aminolevulinate to protoporphyrinogen IX, occur in the ... domains, in the N-terminal end of the m ature p lant protein, we found a very h ydrophobicregion possibly i nvolved in the an choring of the protein to the membranes. This part of the protein ... protein, [(a) D80-proteinmissing the ®rst 79 amino acids and similar in size to the prokaryotic MgPIXMT; and (b) D161-protein missing the ®rst 160 amino acids] led to high amounts of recombinantproteins...
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Báo cáo khoa học:

Báo cáo khoa học: "The clinical value of daily routine chest radiographs in a mixed medical–surgical intensive care unit is low"

... GC and EW participated in the collection and interpreta-tion of the data and were involved in drafting the manuscript.MG participated in analysis and interpretation of the data and in drafting ... obtain CXRs after insertion of endotra-cheal tubes, intravenous lines and chest drains, but not afterinsertion of nasogastric tubes. In addition, CXRs wereobtained in the case of worsening of ... and coordinated the study and wasinvolved in the interpretation of the data and manuscript revi-sion. All authors read and approved the final manuscript.AcknowledgementsAll residents, clinical...
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Tài liệu Báo cáo khoa học: The tandemly repeated domains of a b-propeller phytase act synergistically to increase catalytic efficiency doc

Tài liệu Báo cáo khoa học: The tandemly repeated domains of a b-propeller phytase act synergistically to increase catalytic efficiency doc

... 3A,B). The presence of Ca2+increased the thermal stability of PhyH and PhyH-DII.After incubation at 60 °C for 30 min, both enzymesretained > 70% of their initial activity in the presence of ... pH(6.0–8.0) and at low temperatures (0–35 °C). We focuson the function and relationship of the two singledomains. Additionally, the possibility that fusion of the PhyH N-terminal domain to other single-domain ... Ala208 and Gly234). Some of the res-idues involved in phosphate and calcium binding areconserved in the PhyH-DII sequence, whereas onlyone phosphate-binding residue is conserved in the PhyH-DI...
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Tài liệu Báo cáo khoa học: The Arabidopsis protein kinase Pto-interacting 1-4 is a common target of the oxidative signal-inducible 1 and mitogen-activated protein kinases docx

Tài liệu Báo cáo khoa học: The Arabidopsis protein kinase Pto-interacting 1-4 is a common target of the oxidative signal-inducible 1 and mitogen-activated protein kinases docx

... which the lysine residue of the ATP bind-ing domain is mutated to arginine, still interacted withPTI1-4. These data indicate that the kinase activity of OXI1 is not required for the interaction ... co-immunoprecipitationexperiments. We then examined how both proteinsinteract with MPK3 and MPK6 proteins.ResultsAGC kinases interact with PTI1 kinases in vitroTo isolate other components of the OXI1 (AGC2-1)signalling pathway, ... in subdomain VII of the catalytic domain and by the presence of an amino acid insertion of variablesize between subdomains VII and VIII [8,9]. Such asOXI, other AGC kinases of the AGC VIII subgrouphave...
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