Báo cáo khoa học: In vitro and in vivo self-cleavage of Streptococcus pneumoniae signal peptidase I pot
Báo cáo khoa học: In vitro and in vivo self-cleavage of Streptococcus pneumoniae signal peptidase I pot
... SDS/PAGE. In vitro self-cleavage of S. pneumoniae SPase I For in vitro self-cleavage of S. pneumoniae SPase I in thepresence of phospholipid, 20 lL of reaction containing5 lg of purified SPase I was incubated ... In vitro and in vivo self-cleavage of Streptococcus pneumoniae signal peptidase I Feng Zheng, Eddie L. Angleton, Jin Lu and Sheng-Bin PengInfectious Diseases Research, Lilly Research ... WhenFig. 2. Kinetic analysis of Self-cleavage of S. pneumoniae SPase I. Reactions (20 lL) containing different concentrations of SPase I as indicatedwere incubated at 37 °C for 30 min or 4 h in...
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Báo cáo khóa học: O-acetylation and de-O-acetylation of sialic acids in human colorectal carcinoma docx
... relative activities of OAT:OAE-L provides a significant insight into the regula-tion of this important modification in normal as well as in diseased tissue. Based on this information a reduction in ... reduced in comparison with that observed in Stage I, II and III patients. This suggests that not only issialic acid O-acetylation decreased in the tumour itself butalso in the resection margins ... resection margin and colorectal carcinoma tissue. Sialic acids were isolated and analysed by HPLC and GC-MS as described in Materials and methods. The proportion of individual sialic acids is expressed...
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Báo cáo khoa học: "A Comparison and Semi-Quantitative Analysis of Words and Character-Bigrams as Features in Chinese Text Categorization" potx
... 1040.60.650.70.750.80.850.9performancedimensionalitylqwordchi-tfidf chi-tfidfcig chicig-tfidf chicig-tfidfcig1 2 3 4 5 6 7x 1040.60.650.70.750.80.850.9dimensionalitybigramchi-tfidf chi-tfidfcig chicig-tfidf chicig-tfidfcig ... 1040.50.60.70.8lqwordperformancechi-tfidf chicig-tfidfcig1 2 3 4 5 6 7 8x 1040.50.60.70.8bigramperformancedimensionalitychi-tfidf chicig-tfidfcig Figure 1. chi-tfidf and chicig-tfidfcig on CE Figure 1 ... LinguisticsA Comparison and Semi-Quantitative Analysis of Words and Character-Bigrams as Features in Chinese Text Categorization Jingyang Li Maosong Sun Xian Zhang National Lab. of Intelligent Technology...
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Báo cáo khoa học: "KNOWLEDGE ORGANIZATION AND APPLICATION: BRIEF COMIIENTS OF PAPERS IN THE SESSION " potx
... KNOI~LEDGE ORGANIZATION AND APPLICATION: BRIEF COMIIENTS ON PAPERS IN THE SESSION Aravind K. Joshi Department of Computer and Information Science The Moore School University of Pennsylvania, ... representation. It is concerned with complete and partial matching procedures, especially for determining whether a particular instance satisfies the criteria for membership in a particular class. ... the facility differ from a similar one in KRL? Belief representations appear to be only implicit. Quantification is handled through a set of "structural descriptions." It is not...
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Tài liệu Báo cáo khoa học: Guanidinium chloride- and urea-induced unfolding of FprA, a mycobacterium NADPH-ferredoxin reductase Stabilization of an apo-protein by GdmCl docx
... inter-mediate of protein is observed. In comparison, the unfolding of FprA byguanidinium chloride proceeds through intermediates that are stabilized byinteraction of protein with guanidinium chloride. ... TheNADPH-binding domain of FprA was found to besensitive to cations, which induce significant destabil-ization of this structural domain. Furthermore, modu-lation of ionic interactions in FprA (either ... FAD-binding domain (residues2–108 and 324–456) consisting of the N- and C-terminalregions of the enzyme, and the NADPH-bindingdomain (residues 109–323) consisting of the centralpart of the...
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Tài liệu Báo cáo khoa học: Dimer asymmetry and the catalytic cycle of alkaline phosphatase from Escherichia coli doc
... but increases the activity of theZn2+-containing APase [3,4]. Significant cooperative inter-actions have been detected during metal-ion binding,positive for the binding of Zn2+to the M1 site, ... Mg2+concentration, is probably dueto Mg2+binding to the zinc binding sites (M2 and M1).It appears that in contrast to the binding of Zn2+to thesecond M3 site, Mg2+binding in the range of Mg2+concentrations ... P i binds toAPase with negative cooperativity [6,8,9,24,25], the thermalinactivation has biphasic kinetics [26], and curve-fittingindicates that the deviations from Michaelis–Menten kine-tics...
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Báo cáo khoa học: Substrate preference and phosphatidylinositol monophosphate inhibition of the catalytic domain of the Per-Arnt-Sim domain kinase PASKIN ppt
... rather than with the PAS domain, thesedata suggest a multiligand regulation of PASKIN activity, including a stillunknown PAS domain binding ⁄ activating ligand and kinase domain bind-ing modulatory ... might be involved in insulin regulation in the pancreas. According to the current model, binding of a putative ligand to the PAS domain disinhibits the kinase domain, lead-ing to PASKIN autophosphorylation ... voltage and certain ligands [1]. In mammals, the PAS domain is mainly found as aheterodimerization interface of transcription factorsinvolved in dioxin signalling, the circadian clock and oxygen...
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Báo cáo khoa học: Halogenated benzimidazoles and benzotriazoles as inhibitors of the NTPase/helicase activities of hepatitis C and related viruses ppt
... unwinding, (b) inhibition of ATPhydrolysis or release of ADP by blocking opening or closing of domain 2, (c) inhibition of RNA (or DNA) substratebinding, (d) inhibition of unwinding by sterically ... comparison of ATP-binding sites, indicated that, unlike the case with casein kinase 2, the mode of action of the inhibitors vs the helicases is not byinteraction with the catalytic ATP-binding site, ... intriguing that the potent inhibitor of the HCV and WNV NTPase/helicases, TBBT, is a specific ATP-competi-tive inhibitor of protein kinase CK2, originally developed todiscriminate between protein...
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Báo cáo khoa học: "LEXICON-GRAMMAR AND THE SYNTACTIC ANALYSIS OF FRENCH" pot
... syntactic positions where they are foreign to the semantic distributions, among them are ralsmg operations, which induce distributional differences such as I imagined the situation I imagined ... considered as auxiliaries. The predicative element is here the nominal form in complement position. This intuition can be given a formal basis. Let us look at nominalizationa as being relations between ... <2> and will discuss its algorithmic main implications. 1. VERBS The syntactic properties of French verbs have been limited in terms of the size of sentences, that is, by restricting the...
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Báo cáo khoa học: Molecular organization and force-generating mechanism of dynein pot
... muta-tion in the tail domain of dynein causes increased flexi-bility of the dynein molecule and diminished gatingbetween the motor domains [94].H. Sakakibara and K. Oiwa Dynein structure and its ... compilation ª 2011 FEBS 2979MINIREVIEWMolecular organization and force-generating mechanism of dyneinHitoshi Sakakibara1 and Kazuhiro Oiwa1,21 National Institute of Information and Communications ... fragment[50–53] (in budding yeast, 314 kDa), incorporatingsites for both ATP hydrolysis and microtubule bind-ing, and a tail domain in the N-terminal, which medi-ates dimerization of the HCs and also...
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Từ khóa: báo cáo khoa học mẫubáo cáo khoa học y họcbáo cáo khoa học sinh họcbáo cáo khoa học nông nghiệpbáo cáo khoa học lâm nghiệpbáo cáo khoa học thủy sảnNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngBáo cáo quy trình mua hàng CT CP Công Nghệ NPVchuyên đề điện xoay chiều theo dạngGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngĐịnh tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Sở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘITÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ