Báo cáo khoa học: "The Effect of Two Different Oxytetracycline Treatments in Experimental Ehrlichia phagocytophila Infected Lambs" ppt
Báo cáo khoa học: "The Effect of Two Different Oxytetracycline Treatments in Experimental Ehrlichia phagocytophila Infected Lambs" ppt
... The effect of two different oxytetracycline treatments in ex-perimental Ehrlichia phagocytophila infected lambs: Acta vet. scand. 2001, 42, 339-346. – The effect of 2 different oxytetracycline ... occur after long-acting oxytetracycline treatment. The purpose of this study was to investigate the effect of 2 different oxytetracycline treatments to clear theexperimentally infected lambs from ... of Two Different Oxytetracycline Treatments in Experimental Ehrlichia phagocytophila Infected LambsBy S. Stuen1and K. Bergström21Norwegian School of Veterinary Science, Department of Sheep...
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Báo cáo khoa học: The effect of HAMP domains on class IIIb adenylyl cyclases from Mycobacterium tuberculosis pptx
... autoinhibitoryN-terminal domain. J. Biol. Chem. 277, 15271–15276.9. Aravind, L. & Ponting, C.P. (1999) The cytoplasmic helical linkerdomain of receptor histidine kinase and methyl-accepting ... in receptor histidine kinases and in MCPs [9–13]. Mutagenesis studies with the Escherichia coliAer protein, an aerotactic MCP, suggest an interaction of a HAMP domain with a flavin adenine dinucleotide-bindingPAS-domain ... ACs, two of class IIIa, four of class IIIb and nine of class IIIc[4,5]. Fusion partners of the mycobacterial CHDs includemembrane anchors, a novel autoinhibitory domain, AAA-ATPase domains,...
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Tài liệu Báo cáo khoa học: The effect of small molecules in modulating the chaperone activity of aB-crystallin against ordered and disordered protein aggregation pdf
... interact with a number of functionalgroups, including the aromatic side chains of someamino acids, through a stacking mechanism [42]. Theinteraction of arginine with aromatic amino acids of aB-crystallin ... aggregation of some proteins by acting on the unfolded state of theprotein and increasing the reversibility of unfolding[37]. Arginine had no effect on the stability of the pro-tein’s native ... of insulin.ACBFig. 2. aB-crystallin protects against theDTT-induced aggregation of insulin, and thisactivity is enhanced by Arg-HCl. Insulin(, 0.25 mgÆmL)1) was incubated at 37 °Cin...
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Tài liệu Báo cáo khóa học: The effect of mutations surrounding and within the active site on the catalytic activity of ricin A chain pptx
... member of a large family of ribosome-inactivating proteins (RIPs) that exist in varioustissues of many plants, fungi and bacteria [1]. Ricinconsists of a catalytic A chain (RTA) joined by a singledisulphide ... ricin A chain (Eur. J. Biochem. 271) 157involved the modification of arginyl residues 196, 213, 234and 235 [9]. Of theses residues, only Arg213 is in thevicinity of the active site of RTA. In ... assay of ricin N78S. Vero cells were challengedwith increasing concentrations of ricin (d),orricinN78S(j)at37°Cfor 4 h. Remaining protein synthesis after this time was measured bythe incorporation...
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Tài liệu Báo cáo khoa học: "The Effect of Pitch Accenting on Pronoun Referent Resolution" ppt
... about the order of items in Cf. These hypotheses arise from the following chain of assumptions: (1) To analyze the effects of pitch accents on pronominals, it is necessary to distinguish between ... interpretation, theories of both centering and intonational meaning fail to predict the existence of pitch accented pronominals. Yet they occur felicitously in spoken discourse. To explain ... Joshi and Weinstein's (1989) account of centering to yield insights into the phenomenon of pitch accented pronominals, and the attentional consequences of pitch accents in general. The...
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Báo cáo khoa học: The effect of replacing the axial methionine ligand with a lysine residue in cytochrome c-550 from Paracoccus versutus assessed by X-ray crystallography and unfolding ppt
... reflection of the more basic f-amino group of the coordinating K100, with the H-bonded watermolecule found in the X-ray structure increasing theelectron donating power of the coordinating aminogroup ... titrating increasing amounts of guanidinium hydrochloride (GdmHCl) the proteinunfolds resulting in the perturbation of a number of electronic absorption bands and the appearance in thespectrum of ... mixedwith 1 lL of reservoir solution containing 0.1 m bicinepH 9.0 and 3.2 m ammonium sulfate. For the wt proteinobtaining suitable crystals was more difficult. Crystallinenetworks of protein were...
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Báo cáo khoa học: Identification of two cysteine residues involved in the binding of UDP-GalNAc to UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 1 (GalNAc-T1) ppt
... amajor site of interaction with UDP-GalNAc, Cys214 is alsoinvolved in binding.PCMPS and DFP modification of the serine-mutants of GalNAc-T1We also examined the sensitivity of the three serine mutantsto ... GalNAc-T1 DXH motif (underlined above), aregion believed to be involved in coordination of a divalentcation or the binding of UDP-GalNAc [16,28,29]. The two cysteine residues in the sequence, Cys212 ... identification of free cysteineresidues by cysteine-specific labeling, we demonstrated thatCys212 and Cys214, but predominantly Cys212, is involved in the binding of the nucleotide portion of UDP-GalNAc,most...
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Báo cáo khoa học: The effect of heme on the conformational stability of micro-myoglobin doc
... 2007)doi:10.1111/j.1742-4658.2007.06176.xMicro-myoglobin, the isolated heme-binding subdomain of myoglobin, is avaluable model system for the investigation of heme recognition and bind-ing by proteins, and provides an example of protein folding ... bridge with Asp60 in the first0.5 ns of MD simulation, triggering the unfolding of helix E and the subsequent global unfolding of thestructure. In holo-lMb, the shielding effect of theheme and ... Mb-derivedfragment, spanning residues 32–139, and named mini-myoglobin (mini-Mb), is capable of independent fold-ing into a native-like conformation, even in theabsence of heme [8]. Other deletion...
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Báo cáo khoa học: "The Effect of Translation Quality in MT-Based Cross-Language Information Retrieval" pptx
... research mainly focused on studying the effectiveness of bilingual wordlists or parallel corpora from two aspects: size and lexical cover-age. Kraaij (2001) examined the effectiveness of MT system, ... CLEF-2001: Comparing Translation Resources. In Proc. of the CLEF-2001 Workshop, pages 78-93. Kui-Lam Kwok. 1997. Comparing Representation in Chinese Information Retrieval. In Proc. of the 20th ... released by the Xinhua News Agency in 1994 and 1995. It includes totally 164,789 documents. The topic set contains 54 topics. In the relevance judgment file, a binary indication of relevant (1)...
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Báo cáo khoa học: "The effect of domain and text type on text prediction quality" pptx
... version of the user interface running online. For develop-ing the text prediction algorithm that is behind theinitial version of the application, we aim to findthe best training corpus using the ... acombination of both corpora on our test set: Wecreated training corpora consisting of the Medi-cal Wikipedia corpus, complemented by 90% of the Neuro-QA questions, testing on the remaining10% ... productive compounding lan-guage like German, but has a somewhat simpler in ectional system. We do not focus on the effect of training set size, but on the effect of text typeand topic domain differences.Our...
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