Báo cáo khoa học: Transcriptional activity and Sp 1⁄3 transcription factor binding to the P1 promoter sequences of the human AbH-J-J locus docx

Báo cáo khoa học: Transcriptional activity and Sp 1⁄3 transcription factor binding to the P1 promoter sequences of the human AbH-J-J locus docx

Báo cáo khoa học: Transcriptional activity and Sp 1⁄3 transcription factor binding to the P1 promoter sequences of the human AbH-J-J locus docx

... organization of the human AbH-J-J locus and identification of the transcription initiation sites proximal to the P1 promoter The structural organization of the human AbH-J-J locus is shown in Fig. 1. The ... attention on the activity of binding of nuclear extract to these boxes. Binding of nuclear factors to GC-rich boxes of the Ab...
Ngày tải lên : 23/03/2014, 07:20
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Tài liệu Báo cáo khoa học: Endotoxic activity and chemical structure of lipopolysaccharides from Chlamydia trachomatis serotypes E and L2 and Chlamydophila psittaci 6BC pdf

Tài liệu Báo cáo khoa học: Endotoxic activity and chemical structure of lipopolysaccharides from Chlamydia trachomatis serotypes E and L2 and Chlamydophila psittaci 6BC pdf

... sero- type E and L 2 were of similar activity and both less active than smooth LPS by a factor of 100 whereas, LPS from Chl. psittaci was of lower activity than the two other chlamydial LPS. Nevertheless, ... ratio of 5 : 5 : 0.01 (v/v/v) and sprayed at a flow rate of 2 lLÆmin )1 . MALDI-TOF MS of LPS and free lipid A were performed on a Reflex III (Bruker-Daltonik,...
Ngày tải lên : 20/02/2014, 23:20
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Báo cáo khoa học: Jackbean, soybean and Bacillus pasteurii ureases Biological effects unrelated to ureolytic activity docx

Báo cáo khoa học: Jackbean, soybean and Bacillus pasteurii ureases Biological effects unrelated to ureolytic activity docx

... added to the cotton meal, respectively (not shown). The time dependency of the entomotoxic effect was similar for both proteins, with a lag- phase of 3–4 days for death of the first insects, and reaching maximal ... characterize and to study the mode of action of entomotoxic ureases in order to establish their biotechnological potential against phytophagous insect...
Ngày tải lên : 16/03/2014, 16:20
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Báo cáo khoa học: Two conserved domains in regulatory B subunits mediate binding to the A subunit of protein phosphatase 2A pdf

Báo cáo khoa học: Two conserved domains in regulatory B subunits mediate binding to the A subunit of protein phosphatase 2A pdf

... subunit, and one of a variety of r egulatory B subunits. These diverse B subunits in the P P2A heterotrimer allow the phosphatase to localize t o distinct regions of the cell and to dephosphorylate speci®c substrates, ... level of nonspeci®c adsorption of the B56a polypeptides to the beads, and suboptimal binding in the absence of cotranslation of the...
Ngày tải lên : 08/03/2014, 10:20
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Báo cáo khoa học: Snail associates with EGR-1 and SP-1 to upregulate transcriptional activation of p15INK4b doc

Báo cáo khoa học: Snail associates with EGR-1 and SP-1 to upregulate transcriptional activation of p15INK4b doc

... Snail and SP- 1, but not the association of Snail with SP- 1. Chromatin immunoprecipitaion assay for in vivo DNA -binding activity of the candidate transcriptional factors To further examine whether ... transcriptional factors induced by TPA. Taken together, by examining the pattern of SII we suggest that the in vitro DNA -binding activity of all three transcr...
Ngày tải lên : 29/03/2014, 08:20
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Tài liệu Báo cáo khoa học: Design, structure and biological activity of b-turn peptides of CD2 protein for inhibition of T-cell adhesion ppt

Tài liệu Báo cáo khoa học: Design, structure and biological activity of b-turn peptides of CD2 protein for inhibition of T-cell adhesion ppt

... with the higher inhibitory activity of the cEL peptide and the very low inhibitory activity of the cYT peptide compared to other peptides. The flanking residue of the b-turn, i.e. Tyr3 of the cVY peptide ... suggestive of a b-turn in the peptide and the proximity of amide protons due to compact nature of the structure. However, t he coupling consta...
Ngày tải lên : 19/02/2014, 13:20
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Tài liệu Báo cáo khoa học: Molecular characterization and allergenic activity of Lyc e 2 (b-fructofuranosidase), a glycosylated allergen of tomato pdf

Tài liệu Báo cáo khoa học: Molecular characterization and allergenic activity of Lyc e 2 (b-fructofuranosidase), a glycosylated allergen of tomato pdf

... between the two isoforms of the protein, only the molecular mass of 50 kDa would suggest that we had purified the truncated isoform. Cloning of the cDNA of two isoforms of tomato b-fructofuranosidase ... b-fructofuranosidase of tomato was further confirmed by Foetisch et al. [22]. The aim of the present study was to analyze the role of N-linked glycans in the...
Ngày tải lên : 21/02/2014, 00:20
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Tài liệu Báo cáo khoa học: Physicochemical characterization and biological activity of a glycoglycerolipid from Mycoplasma fermentans ppt

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

... any reactivity with the Toll-like receptors TLR- 2 and -4, in contrast to control lipopeptides and LPS. These data confirm the applicability of our conformational concept of endotoxicity to nonlipid ... assay The LAL test is based on the property of lysates of amebocytes of the horseshoe crab Limulus polyphemus ,to form a solid gel in the presence of minute amo...
Ngày tải lên : 21/02/2014, 00:20
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Báo cáo khoa học: Improving thermostability and catalytic activity of pyranose 2-oxidase from Trametes multicolor by rational and semi-rational design pdf

Báo cáo khoa học: Improving thermostability and catalytic activity of pyranose 2-oxidase from Trametes multicolor by rational and semi-rational design pdf

... affect the precise positioning of the aromatic ring of Tyr456 in the closed state. In the absence of a closed complex of E542K P2Ox, the effect of the loss of this hydrogen bond on the packing of the ... from the internal cavity of the homotetramer. Concomitantly, Phe454 rotates and moves some 7 A ˚ to fill the active site and pack against the FAD...
Ngày tải lên : 07/03/2014, 03:20
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Báo cáo khoa học: Proper targeting and activity of a nonfunctioning thyroid-stimulating hormone receptor (TSHr) combining an inactivating and activating TSHr mutation in one receptor pptx

Báo cáo khoa học: Proper targeting and activity of a nonfunctioning thyroid-stimulating hormone receptor (TSHr) combining an inactivating and activating TSHr mutation in one receptor pptx

... alter the routing of the receptor to the cell surface, resulting in loss of basal activity and loss of agonist induced cAMP production [14–16]. In order to study the mechanism of activation of the TSHr ... corresponds to the major unliganded form of the receptor; the active conformation capable of promoting GDP/GTP exchange on the G-protein is achieve...
Ngày tải lên : 08/03/2014, 08:20
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