Báo cáo khoa học: Physicochemical properties and distinct DNA binding capacity of the repressor of temperate Staphylococcus aureus phage /11 doc

... 1975–1985 ª 2009 The Authors Journal compilation ª 2009 FEBS 1985 Physicochemical properties and distinct DNA binding capacity of the repressor of temperate Staphylococcus aureus phage /11 Tridib Ganguly*, ... homol-ogy over the entire length of the k repressor. Interest-ingly, although the sequences of the C-terminal ends of the above S. aureus phage repressors are identical, the sequences of their N-terminal ... depth. The temperate Staphylococcus aureus phage /11 [14]harbors the cI and cro genes in a divergent orientationto that in lambdoid phages [1,8]. The sequence of the immunity region of /11, however,...

Báo cáo khoa học: "COMMON TOPICS AND COHERENT SITUATIONS: INTERPRETING ELLIPSIS IN THE CONTEXT OF DISCOURSE INFERENCE" ppt

... two types of discourse inference to predict the phenomena noted in the previous section. We illustrate the relevant syntactic and semantic properties of these forms using the version of Catego- ... take the form of semantic representations retrieved by way of their corresponding node(s) in the syntax; the oper- ations performed on these representations are dictated by the nature of the ... 14 (26) a. # The decision was reversed by the FBI, and the ICC did too. [ reverse the decision ] b. The decision was reversed by the FBI, and the ICC did it too. [ reverse the decision ]...

Tài liệu Báo cáo khoa học: Physicochemical characterization and biological activity of a glycoglycerolipid from Mycoplasma fermentans ppt

... transition and lipidheadgroup conformations The determination of the b«a gel-to-liquid crystallinephase transition of the acyl chains from the evaluation of the symmetric stretching vibration of the ... answer the questionwhether the cubic structure observed is of the ÔnormalÕ(right side out) or the inverted type, the geometry of the molecule with its bulky headgroup is in favor of the formertype. ... todetermine the phase behavior via the analysis of the peak position of the symmetric stretching vibration of the methylene groups. Additionally, this technique wasapplied to monitor the conformation of...

Báo cáo khoa học: Inhibitory properties and solution structure of a potent Bowman–Birk protease inhibitor from lentil (Lens culinaris, L) seeds ppt

... measure-ment of k*on and k*off. At [LCTI] ⁄ [trypsin] ¼ 1.1 and 2.25 the conversion of LCTI into LCTI* (Fig. 3,curves 2 and 3), allowed the simultaneous computation of koff, k*on and k*off. The ... Based on theseconsiderations, the identiﬁcation of novel BBI inhibi-tors, either as natural compounds or synthetic pep-tides, and the elucidation of their structural and functional properties, ... NMR and MSspectrometry at acidic pH in the absence of trypsin,might be the result of a concomitant series of factors.They include the nature of the amino acid at positionP2¢ (Gln instead of...

Báo cáo khoa học: Physical properties and surface activity of surfactant-like membranes containing the cationic and hydrophobic peptide KL4 potx

... confocalmicroscopy of giant unilamellar vesicles (GUVs),(b) the effect of the lipid composition on KL4struc-ture, in the absence and presence of Ca2+, using CD and (c) the role of the lipid composition and ... about the interactionsbetween KL4peptide and lipid bilayers, and theirdependence on calcium. Therefore, the objectives of this study were to analyze (a) the effect of KL4on the physical properties ... °C), and both sys-tems showed the end of the melting process at 41 °C. The decrease of the Tmin PA-containing vesicles isexplained by the partial extraction of PA from the bilay-er by the...

Tài liệu Báo cáo khoa học: "ENGLISH WORDS AND DATA BASES: HOW TO BRIDGE THE GAP" pdf

... independently of each other (one on the basis of the possible Eng- lish questions about the subject-domain, the other on the basis of the structure of the data base about it) there must be ... correspond to the descriptive lexical items of English. The primitives of the lowest semantic level are the primitives of the data base (names of files, attributes, data-items). The formal ... levels differ in that each of them assumes different semantic primitives. At the highest of these levels ,the meaning of the question is represented by an expression of the English-oriented Formal...

Báo cáo khoa học: Calcium, mitochondria and oxidative stress in neuronal pathology Novel aspects of an enduring theme pdf

... Opening of the mitochondrialpermeability transition pore causes depletion of mito-chondrial and cytosolic NAD+ and is a causativeevent in the death of myocytes in postischemicreperfusion of the ... (b) loss of cytochrome c impairs the ﬂow of electrons in the respiratory chain inducing over-reduction of the complexes, favouring the generation of ROS [16,17,22]; (c) reduction in the matrix ... both in the presence and in the absence of pyridine nucleotides. Still, the reduced Dld subunit is the most likely source of ROS under conditions of anelevated NADPH ⁄ NADP+ratio in the mitochondrialmatrix...

Báo cáo khoa học: An E3 ubiquitin ligase, Synoviolin, is involved in the degradation of immature nicastrin, and regulates the production of amyloid b-protein doc

... intracellular trafficking of NCT.Effect of Synoviolin on the production of AbNCT is one of the essential cofactors of the c-secretasecomplex. We therefore investigated the effect of the Synoviolin-mediated ... also regulates the traffick-ing of NCT within the Golgi compartment, because the maturation of the sugar modification of the pro-tein occurs within the Golgi compartment. Recently,there has been ... production of Ab40 and Ab42 by abouttwofold, whereas the secretion of soluble APP was notchanged in these cells. Figure 5C also showed that the endogenous NCT level was decreased and the intracel-lular...

Báo cáo khoa học: "Capturing Paradigmatic and Syntagmatic Lexical Relations: Towards Accurate Chinese Part-of-Speech Tagging" pdf

... tag-ging. Table 3 shows the tagging accuracies relativeto the length of the spans. We can see that with the increase of the number of words governed by the token, the difﬁculty of its POS prediction ... overlapping and the combination of themgives more.Table 10 shows the performance of different sys-tems evaluated on the test data. The ﬁnal result isremarkable. The word clustering features and the Bagging ... features and new cluster-based features; the number is the total number of the clusters; the sym-bol “+” in the Data column means which portion of the Gigaword data is used to cluster words; the...

Báo cáo khoa học: NADH oxidation and NAD+ reduction catalysed by tightly coupled inside-out vesicles from Paracoccus denitriﬁcans doc

... straightening up the curve (curve 2).DISCUSSION The results of this work clearly show that the afﬁnity of the NADH -binding site of the bacterial complex I tosubstrates of the direct and the reverse ... enzyme. The data demon-strate that catalytic properties of the dinucleotide -binding site of the bacterial and mitochondrial complex I are almostidentical, pointing out similar organization of the ... acompetitive inhibitor of the dinucleotide -binding site of the mitochondrial enzyme [24]. As in the case of mitochondrial complex I, ADP-ribose is capable of select-ive suppression only of the NADH-oxidase...

Xem thêm