Báo cáo khoa học: Synthesis of b-mannosides using the transg

Tài liệu Báo cáo khoa học: A point mutation in the ATP synthase of Rhodobacter capsulatus results in differential contributions of DpH and Du in driving the ATP synthesis reaction pptx

... in the absence of a Du,as shown in Fig. 3 C. In the presence of a Du, the difference between the two strains was twofold over the entire DpH range tested. In the absence of a Du, the ATP synthesis ... over the mutant, indicating the ratios of the ATP synthesis rates, are plotted for the exp eriments in the absence (dashed line) or in the presence (continu...

Ngày tải lên : 21/02/2014, 03:20

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Tài liệu Báo cáo khoa học: Steﬁn A displaces the occluding loop of cathepsin B only by as much as required to bind to the active site cleft doc

... 1) between steﬁn A and the different enzymes is the average distance between the centre of mass of CA atoms of the steﬁn molecule and the centre of mass of the CA atoms of the reactive site cysteine ... direc- tions. The side chain of H110 points away from the active site cleft to the back of the molecule, whereas the side chain of H111 points upwar...

Ngày tải lên : 18/02/2014, 04:20

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Tài liệu Báo cáo khoa học: Branched N-glycans regulate the biological functions of integrins and cadherins doc

... Down- regulation of the alpha-Gal epitope expression in N-glycans of swine endothelial cells by transfection with the N-acetylglucosaminyltransferase III gene. Modulation of the biosynthesis of terminal ... N-glycans located on either the b-propeller of a 5 [55] or the I-like domain of b 1 or b 3 [68] contribute to the regulation of integrin function. Therefore, we...

Ngày tải lên : 18/02/2014, 17:20

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Tài liệu Báo cáo khoa học: Bone morphogenetic proteins in the early development of zebraﬁsh pptx

... change the preference of site utilization; and (c) promotion of the dissociation of Chordin cysteine-rich (CR)-containing fragments from the ligand. They suggest that the ﬁrst of these three is the ... Smad4). The complexes move into the nucleus and act as regulators of transcription. The activity of BMP is regulated by the binding of extracellular inhibito...

Ngày tải lên : 19/02/2014, 00:20

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Tài liệu Báo cáo khoa học: Rotary F1-ATPase Is the C-terminus of subunit c ﬁxed or mobile? docx

... torque of 112 pNÆnm, the arrows show the beginning (t ¼ 1ns)andtheend(t¼ 23 ns) of the forced rotation. With 56 pNÆnm torque, the relaxation of the system was calculated during the last 8 ns of the ... because the samples were diluted during the activity a ssay and a dded ATP displaced the residual amounts of AMP-PNP and ADP from the catalytic sites of t...

Ngày tải lên : 19/02/2014, 16:20

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Tài liệu Báo cáo khoa học: Second messenger function and the structure–activity relationship of cyclic adenosine diphosphoribose (cADPR) doc

... diphosphoribose. The development of novel cADPR analogues revealed new insights into the structure activity relationship. Substitution of either the northern ribose or both the northern and southern ribose resulted ... between the base adenine (or hypoxanthine) and the diphospho-bridge, as they can be replaced by much simpler ether strands. These ether strands mimic the dis...

Ngày tải lên : 20/02/2014, 01:20

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Tài liệu Báo cáo khoa học: Moult cycle-related changes in biological activity of moult-inhibiting hormone (MIH) and crustacean hyperglycaemic hormone (CHH) in the crab, Carcinus maenas From target to transcript ppt

... if the actions of the CHH neuropeptides on repression of ecdysteroid synthesis by the Y-organ (YO) are considered. The most widely accepted paradigm of moult control in crustaceans concerns the ... pooled extracts of incubation media (from these experiments) were analyzed by HPLC-RIA, a reduction in the ability of MIH (5 n M ) to repress synthesis of both ecdysone...

Ngày tải lên : 21/02/2014, 00:20

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Tài liệu Báo cáo khoa học: Unfolding and aggregation during the thermal denaturation of streptokinase pptx

... number of two-state transitions. In these ﬁttings the heat capacity change, DC p ,forthe unfolding of each domain was ﬁxed by using the values obtained from the analysis of the C p curves of the corresponding ... character- ization of the thermally induced aggregation of SK using a variety of techniques. The results provide us with some of the properties...

Ngày tải lên : 21/02/2014, 03:20

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Báo cáo khoa học: Human telomeric G-quadruplex: The current status of telomeric G-quadruplexes as therapeutic targets in human cancer pdf

... representative of the totality of the single-stranded overhang, and which may be important for these ligands being able to differentiate telomeric quadruplexes from others in the genome. It has ... ultimately apoptosis. The catalytic subunit of telo- merase (hTERT in humans) has reverse transcriptase enzymatic activity and synthesizes TTAGGG repeats on to the end of the...

Ngày tải lên : 06/03/2014, 09:22

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Báo cáo khoa học: Trigger factor interacts with the signal peptide of nascent Tat substrates but does not play a critical role in Tat-mediated export pptx

... accele rated in the absence of TF probably by the disclosure of a more direct cotranslational targeting pathway to the Sec translocon [3]. Perhaps, the proofreading activity of the Sec t ranslocase ... indicative of cross- linking to the released full-length form of SufIHA. Notably, an identical  170 kDa crosslinked complex was observed upon completion of synthesis...

Ngày tải lên : 07/03/2014, 16:20

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Báo cáo khoa học: Synthesis of b-mannosides using the transglycosylation activity of endo-b-mannosidase from Lilium longiﬂorum pptx

Tài liệu Báo cáo khoa học: A point mutation in the ATP synthase of Rhodobacter capsulatus results in differential contributions of DpH and Du in driving the ATP synthesis reaction pptx

Tài liệu Báo cáo khoa học: Steﬁn A displaces the occluding loop of cathepsin B only by as much as required to bind to the active site cleft doc