... form of the molybdenum cofactor. The ability of various metals to bind tightly to sulfur-rich sites raised the question of whether other metal ions could be inserted in place of molybdenum at the ... tungstate- substituted form of MPT, and not to other metal- substituted forms of MPT. The chemical and physical similarities of tungstate and molybdate are a r...
Ngày tải lên: 23/03/2014, 06:20
Báo cáo khoa học: Calcium-induced activation and truncation of promatrix metalloproteinase-9 linked to the core protein of chondroitin sulfate proteoglycans pot
... 2003 Activation of the proMMP-9/CSPG complex (Eur. J. Biochem. 270) 4007 Calcium-induced activation and truncation of promatrix metalloproteinase-9 linked to the core protein of chondroitin sulfate ... part of the core protein remains bound to the enzyme. The calcium-induced activation and processing of the proMMP-9 bound to the...
Ngày tải lên: 17/03/2014, 10:20
... into the mech- anism of activation of the Toll receptor by the dimeric ligand Spatzle. J Biol Chem 283, 14629–14635. 16 Lemaitre B, Nicolas E, Michaut L, Reichhart JM & Hoffmann JA (1996) The ... trans- membrane receptor Toll and thereby initiates a cyto- plasmic signaling pathway, resulting in the release of a rel family transcription factor Dorsal from the inhibi-...
Ngày tải lên: 06/03/2014, 09:22
Báo cáo khoa học: Pherokine-2 and -3 Two Drosophila molecules related to pheromone/odor-binding proteins induced by viral and bacterial infections ppt
... double-stranded (ds)RNA from viruses. Activation of PRRs triggers a host response to control the infection either by acting directly on the microorganisms by phagocytosis or the production of toxic ... response to infection is the inducible synthesis and secretion in the hemolymph of a cocktail of potent antimicrobial peptides active against bacteria and/ or fungi....
Ngày tải lên: 08/03/2014, 08:20
Báo cáo khóa học: Mycoplasma pneumoniae HPr kinase/phosphorylase Assigning functional roles to the P-loop and the HPr kinase/phosphorylase signature sequence motif doc
... With the crystallization and solution of the 3D structure of the protein to a resolution of 2.5 A ˚ , it is now possible to directly compare structures of the M. pneumoniae, S. xylosus and L. ... step, f 0 before addition of any ligand, and f f at the end of the titration. Fitting of the curves was performed using the GRAPHPAD PRISM software (GraphPad...
Ngày tải lên: 16/03/2014, 16:20
Báo cáo khoa học: Bcl-2 and Bcl-xL play important roles in the crosstalk between autophagy and apoptosis pdf
... apoptosis and autophagy, and the reg- ulatory mechnisms of the common regulatory factors. Dual role of c-Jun N-terminal kinase (JNK)1-mediated phosphorylation of Bcl-2 in autophagy and apoptosis ... response to apoptotic stimuli, Bax ⁄ Bak translocates to the mito- chondrial membrane, facilitating the release of cyto- chrome c from the mitochondrial intermembrane s...
Ngày tải lên: 28/03/2014, 23:20
Báo cáo khoa học: Oxidative stress and apoptotic events during thermal stress in the symbiotic sea anemone, Anemonia viridis potx
... demonstrated to reduce the photosynthetic rate by decreasing the effi- ciency of the photosystem II [4–6] and ⁄ or by causing damage to the Calvin cycle [50,51]. Moreover, in situ degeneration of zooxanthellae ... such as nematodes and flies [44]. This could be explained by the basal position of cnidarians on the metazoan tree and by the extensive gene loss in prot...
Ngày tải lên: 30/03/2014, 10:20
Tài liệu Báo cáo khoa học: What makes biochemical networks tick? A graphical tool for the identification of oscillophores ppt
... combination do not touch each other). The value (the sign) of a cycle is the product of the values (the signs) of its steps. The sign o f the magnitude of a Ôminus combined autoinfluence path of order pÕ ... h and factor a equals 1 (and not zero, as other wise). Such an influence exists a nd is positive if the substance on the r ight is the product of that react...
Ngày tải lên: 19/02/2014, 16:20
Tài liệu Báo cáo khoa học: "A Method for Correcting Errors in Speech Recognition Using the Statistical Features of Character Co-occurrence" pptx
... arbitrary candidates, when one of their Error-Parts includes the other, and their frequencies are the same value, the candidate whose Error-Part includes the other is accepted. Condition of Inclusion-2: ... on the position of the error-block, the procedure branches in the following way. If P1 is less than T (T=4), then go to the step for a top. If a value L -...
Ngày tải lên: 20/02/2014, 18:20
Báo cáo khoa học: "Who, What, When, Where, Why? Comparing Multiple Approaches to the Cross-Lingual 5W Task" pptx
... from the parser to map parser constituents to the 5Ws. First the Who, When, Where and Why were ex- tracted, and then the remaining pieces of the sen- tence were returned as the What. The goal ... decided to mark the When, Where and Why answers Incorrect by default. We added clarifications to the guidelines and discussed ar- eas of confusion, and then...
Ngày tải lên: 08/03/2014, 00:20