calculate the molar mass and molecular formula of the solid
Báo cáo khoa học: Cellular and molecular action of the mitogenic protein-deamidating toxin from Pasteurella multocida pptx
... understanding of the structural and biochemical basis of the effects of these toxins on vari-ous host signaling pathways have provided interesting and sometimes surprising insights into the molecular mechanisms ... is the detection of the modification, whichinvolves the detection of a molecular mass change of 1 Da in a relatively large protein substrate (20–45 kDa).Another challenge is the development of ... toxins.Although the precise localization of the domainsresponsible for receptor binding and translocationactivity remains unclear, these domains are locatedin the N-terminus of each of these toxins and...
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Báo cáo khoa học: Three-dimensional structure of a thermostable native cellobiohydrolase, CBH IB, and molecular characterization of the cel7 gene from the filamentous fungus, Talaromyces emersonii ppt
... hold the b-sandwich in position. With the exception of four a-helices and t wo pairs of short b-strands, the rest of the protein consists almost entirely of loopsconnecting the b-strands. The ... concave surfaces. The convex and concave sheets o f the b-sandwich are composed of sevenb-strands. Many of the side-chains in the b-sheets arehydrophobic, and interactions between these residuesappear ... is the predominant product of hydrolysis and increases inconcentration as the reaction proceeds [21]. The exo-loop of 1CEL (amino acids 243–256) forms the roof of the active sitetunnel at the...
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Tài liệu A Dissertation on the Medical Properties and Injurious Effects of the Habitual Use of Tobacco pptx
... capable of giving strength to the weary, vivacity to the stupid, and wisdomto men void of understanding; capable of soothing the sorrows of the afflicted, of healing the wounds of the spirit, and ... healthycondition of the vessels belonging to the membranes of the socket, with the condition of which, the state of the tooth is closely connected."]Having gone through with an examination of the physical ... towards them.Hence the Methodists interdicted the common use of tobacco with that of ardent spirit, in the infancy of theirsociety; thereby evincing a just sense of the self-denial, decency, and...
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Tài liệu Báo cáo Y học: Structure of the O-polysaccharide and classification of Proteus mirabilis strain G1 in Proteus serogroup O3 potx
... migrating bands of three LPS(without R14) and fast migrating bands of P. mirabilisG1, O 28, and R14 LPS (Fig. 5A). These bands correspondto high- and low -molecular -mass LPS species consisting of the ... migrating bands of allLPS tested and slow migrating bands of P. mirabilis S1959,G1, and O28 LPS, the banding patterns being clearlydifferent (Fig. 5B). These findings together showed that the epitope ... O-polysaccharide p art of LPS. The serological relatedness of P. mirabilis G1 and S 1959correlated with the similarity of the chemical structures of their O-polysaccharides (Fig. 3). Therefore, it is...
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Tài liệu Báo cáo Y học: NMR-based determination of the binding epitope and conformational analysis of MUC-1 glycopeptides and peptides bound to the breast cancer-selective monoclonal antibody SM3 pptx
... RPAP. The size o f the interaction surface between the peptide and the non binding bottom of the Fab is 173 A˚2which c orresponds to about 36% of the interaction of the full peptide with the ... MUC-1; binding epitope. The extracellular part of the epithelial glycoprotein MUC-1consists of tandem repeats of 20 amino acids(PDTRPAPGSTAPPAHGVTSA, where the start of the tandem repeat peptide ... ecrystalcellthathaveadistanceof4A˚or less to the ligand. The C-terminal part of the pe ptide (RPAP) has clo se contacts to the n ext protein in the crystal cell and is therefore stabilized on the surface o...
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Báo cáo khoa học: Residues affecting the chloride regulation and substrate selectivity of the angiotensin-converting enzymes (ACE and ACE2) identified by site-directed mutagenesis pot
... mutagenesis of CL1 and CL2 site residues of tACE and ACE2 The residues surrounding the chloride ion at the CL1 and CL2 sites of tACE and ACE2 are shown in Fig. 1.In tACE, the residues that coordinate the ... that in the absence of NaCl and 3.2-fold less than that at 100 mm NaCl.Effects of CL1 and CL2 site mutations on the chloride sensitivity of tACE and ACE2In order to observe the effects of the ... [23]. The CL2 chloride site isabsent in ACE2 as a result of substitution of the tACEresidues Pro407 and Pro519 with Glu398 and Ser511, and the resulting projection of their side-chains intothe...
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Báo cáo khoa học: Structures of the O-polysaccharides and classification of Proteus genomospecies 4, 5 and 6 into respective Proteus serogroups ppt
... includingO-polysaccharides of Proteus [16].Studies of the O-polysaccharides of Proteus genomo-species 5 and 6 and the comparison of the correspond-ing13C NMR spectra indicated that they are identicalto those of ... consistent with the western blot data showing the absence of any common epitope on the O-polysac-charides (Fig. 4B).Based on the results of serological studies and the uniqueness of the O-polysaccharide ... analysis of the acetylated methyl glycosidesshowed the presence of GalA. GLC analyses of the acetylated (S)-2-(+)-butyl glycosides demonstrated the d configuration of Glc, GlcN, GalN, and GalA. The...
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Báo cáo khoa học: Studies on the regulatory properties of the pterin cofactor and dopamine bound at the active site of human phenylalanine hydroxylase pptx
... conformation and hydrogen bondingnetwork of the pterin cofactor in the three structures.Superpositions of the binary and ternary complexes of hPAH onto the crystal structure of the ligand-free ... that of the ligand-free rPAH containing the regulatory and catalytic domains [19] the catecholamine main-chain is alsoFig. 4. Stereo view of the site of interactionbetween the pterin cofactors and ... required for the cofactor inhibition of phosphorylation (data not shown). The molecular basis for the negative modulatoryeffects of the pterin cofactor and dopamine bindingto wt-hPAH and their reversal...
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Báo cáo khoa học: Purification and kinetic analysis of the two recombinant arogenate dehydrogenase isoforms of Arabidopsis thaliana pptx
... sequencing of the entire insert wascarried out and was in complete agreement with the expected sequences. The theoretical masses of the productsTyrAAT1 and TyrAAT2 were determined to be 68.5 kDa and ... than for their arogenate substrate. Thisstrong feedback inhibition arises from the necessity of the plant cell, to regulate the flux of arogenate between the synthesis of tyrosine and that of phenylalanine. ... for understanding the partition of the carbon flux between the different end products. The present study is the first to report the purification and detailed kinetic characterization of A. thaliana...
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Retrieval of the source location and mechanical descriptors of a hysteretically-damped solid occupying a half space by full wave inversion of the the response signal on its boundary doc
... are the cartesian coordinates of the position of the receiver on the ground and (0, 0) the position of the emitter, also on the ground, of the probe signal. The present study is restricted to the ... the MNI of the RM is chosento be the same as the MNI of the SM. In this case, when the values of all the parameters of the setP are strictly equal to their counterparts in the set p and the values ... C=D/T, and that of the related problem of the retrieval of the position of the sourcefrom T is D=CT. The type of questions we address in the present investigation, in which the liquid is a solid...
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Báo cáo khoa học: Genomic structure and expression analysis of the RNase j family ortholog gene in the insect Ceratitis capitata pptx
... organization of the Cc RNase gene and its derivedmRNA isoforms. The rectangles represent the exons and the horizon-tal bold lines the introns. The black parts of the rectangles show the protein-coding ... (AAUAAA). The first signal (AAUAUA) islocated just 19 bp upstream of the poly(A) tail of the shorter transcript and the second one is located 46 bpupstream of the poly(A) tail of the alternativetranscript. ... (SpuUn_WGA56223_2:75333–76952) and Nematostella vectensis (NW_001834409:c1450413–1449631). The numbers above the boxes indicate the size of the exons, and those below the lines indicate the size of the introns....
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Báo cáo khoa học: Hatching enzyme of the ovoviviparous black rockfish Sebastes schlegelii – environmental adaptation of the hatching enzyme and evolutionary aspects of formation of the pseudogene docx
... cycles of PCR, sufficient expres-sion of the SsHCE1 and SsHCE2 genes wasdetected, and the band intensity of SsHCE2 tran-scripts was about half that of SsHCE1. For the wSsLCE gene, the 33 cycles of ... was found in the ovarian fluidcarrying the embryos immediately before the hatching stage. Two kinds of HCE were partially purified from the fluid, and the relative molecular masses of them matched ... fertilize theireggs from the beginning to the middle of April in the sys-tem, the developing embryos were ordinarily collected bycanulation into the ovary from the end of April to the mid-dle of...
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Tìm thêm: xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25