Báo cáo khoa học: Megalin binds and mediates cellular internalization of folate binding protein potx

Báo cáo khoa học: Megalin binds and mediates cellular internalization of folate binding protein potx

Báo cáo khoa học: Megalin binds and mediates cellular internalization of folate binding protein potx

... Megalin binds and mediates cellular internalization of folate binding protein Henrik Birn 1 , Xiaoyue Zhai 1 , Jan Holm 2 , Steen I. Hansen 2 , Christian Jacobsen 3 , Erik I. Christensen 1 and ... number of vitamin carrier proteins [18], including retinol binding protein [19], transcobalamin [20], and vitamin D binding protein [21,22] and its role for the r...
Ngày tải lên : 30/03/2014, 20:20
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Báo cáo khóa học: Genetic approaches to the cellular functions of polyamines in mammals potx

Báo cáo khóa học: Genetic approaches to the cellular functions of polyamines in mammals potx

... inadequate synthesis of nucleic acids and proteins in the absence of the polyamines – or, in the case of ODC deficiency, an excessive accumulation of decarboxylated AdoMet – inhibiting DNA methylation and thus ... synergism between the polymorphism of the ODC gene and the use of aspirin was proposed to be a combined result of an inhibition of polyamine biosynthesis and...
Ngày tải lên : 30/03/2014, 13:20
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Báo cáo khoa học: Sp1 binds to the external promoter of the p73 gene and induces the expression of TAp73c in lung cancer doc

Báo cáo khoa học: Sp1 binds to the external promoter of the p73 gene and induces the expression of TAp73c in lung cancer doc

... TA isoform(s) and the antiapoptotic DM isoforms. In gen- eral, TAp73 isoforms regulate the transcription of DMp73 isoforms, which, in turn, act as dominant nega- tive regulators of both TAp73 and ... Programme, Division of Surgery and Oncology, University of Liverpool Cancer Research Centre, University of Liverpool, UK 5 Laboratory of Clinical Virology, Faculty of Medicine...
Ngày tải lên : 29/03/2014, 09:20
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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

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

... measure of the conformational stability of the protein [1,2]. Protein unfolding ⁄ folding studies in GdmCl and urea solutions have focussed on the identi- fication of equilibrium and kinetic intermediates ... concentration of about 0.8 m, stabilization of apo -protein was observed. The stabilization of apo-FprA by guanidinium chloride is probably the result of direct bi...
Ngày tải lên : 19/02/2014, 16:20
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Tài liệu Báo cáo khoa học: Dimer asymmetry and the catalytic cycle of alkaline phosphatase from Escherichia coli doc

Tài liệu Báo cáo khoa học: Dimer asymmetry and the catalytic cycle of alkaline phosphatase from Escherichia coli doc

... during metal-ion binding, positive for the binding of Zn 2+ to the M1 site, and negative for the binding of the activating cations to the M3 site [5,6]. Phosphomonoester hydrolysis and transphos- phorylation, ... form of a dianion [9], however, the slow dissociation of P i ,andtheslow phosphorylation of Ser102 by P i , are both in accordance with P i binding in form of...
Ngày tải lên : 21/02/2014, 00:20
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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

Báo cáo khoa học: Substrate preference and phosphatidylinositol monophosphate inhibition of the catalytic domain of the Per-Arnt-Sim domain kinase PASKIN ppt

... against S6 and the GST-tag. (C) Immunoblot analysis of the phosphorylation status of p70S6K and S6 in Paskin + ⁄ + and Paskin ) ⁄ ) MEFs. (D) Immu- noblot analysis of the phosphorylation status of p70S6K ... addresses Division of Digestive and Liver Diseases, Department of Medicine, Columbia University, New York, NY, USA àInstitute of Cell Biology, ETH Zu ¨ rich, Switze...
Ngày tải lên : 06/03/2014, 00:21
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Báo cáo khóa học: O-acetylation and de-O-acetylation of sialic acids in human colorectal carcinoma docx

Báo cáo khóa học: O-acetylation and de-O-acetylation of sialic acids in human colorectal carcinoma docx

... bovine submandibular gland mucins as described by Reuter and Schauer [23]. 4 Preparation of lysosomal, microsomal and cytosolic fractions from human colonic mucosa The lysosomes, microsomes and cytosol ... Fluorometric-HPLC and GC-MS analysis of glycoconjugate-bound and free sialic acids isolated from the mucosa of matched resection margin and colorectal carcinoma tissue. Si...
Ngày tải lên : 07/03/2014, 14:20
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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

Báo cáo khoa học: Halogenated benzimidazoles and benzotriazoles as inhibitors of the NTPase/helicase activities of hepatitis C and related viruses ppt

... A and B box sequences known to be involved in NTP binding and hydrolysis [12]. Crystal structures of the SF1 DNA NTPase/helicases from Escherichia coli and Bacillus stearothermophilus, and of ... identification of these proteins as BSA and WNV NTPase/helicase (Fig. 1, lane 2) [20]. Protein concentrations of preparations of the NTPase/ helicases were determined by SDS/PA...
Ngày tải lên : 08/03/2014, 02:20
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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

Báo cáo khoa học: "A Comparison and Semi-Quantitative Analysis of Words and Character-Bigrams as Features in Chinese Text Categorization" potx

... as- pects of IR and TC. So it is significant to make a detailed comparison and analysis here on the relative value of words and bigrams as features in Text Categorization. The organization of this ... proportion of 2:1 into a training set and a test set. Every document has the full-text and has been entirely word- segmented 7 by hand (which could be regarded as a gold...
Ngày tải lên : 08/03/2014, 02:21
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Báo cáo khoa học: "LEXICON-GRAMMAR AND THE SYNTACTIC ANALYSIS OF FRENCH" pot

Báo cáo khoa học: "LEXICON-GRAMMAR AND THE SYNTACTIC ANALYSIS OF FRENCH" pot

... of French verbs have been limited in terms of the size of sentences, that is, by restricting the type of complements to object complements. We considered 3 main types of objects: direct, and ... the intersection of the corresponding row and column, if not s "-" sagn. The description of the French verbs does not have the shape of a 10,000x500 matrix. Because...
Ngày tải lên : 08/03/2014, 18:20
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