the role of ephialtes in the rise of athenian democracy

... total volume of the column (% 12 min). However, as previously found with other dissociated capsid proteins, the lack of elution of the proteins can be explained by non-specific binding of the denatured ... resides on the surface of the protein and makes no obvious stabilizing interactions with other amino acid side- chains, this part of the protein interacts with genomic RNA [33,41,47]. Such interactions ... decrease the stability of the capsid. Our findings illuminate the role of packing in the icosahedral lattice of the virus capsid. Experimental procedures Chemicals All reagents were of analytical...

Ngày tải lên: 19/02/2014, 12:20

Ngày tải lên: 12/08/2014, 23:23

... go in the same direction. The inverse is thecasefortheattractioninthecaseofAnabaena. Also, if the structure of the final complex in which electron transfer takes place remained unaltered with increasing ... character- ization of the plastocyanins has been described [1]. Representations of the electrostatic surfaces showing the changes introduced by the mutations are displayed in Fig. 1. The decay of the flash-induced ... interaction. Electron-transfer chains like that of oxygenic photosyn- thesis impose special restraints on the proteins involved. Reactions must be fast to allow rapid turnover of the chain. Binding between the reaction...

Ngày tải lên: 21/02/2014, 01:21

Ngày tải lên: 11/08/2014, 18:20

Ngày tải lên: 13/08/2014, 01:20

... generate these values, could be contained. The emotional intensity of the backlash against the intrusions of these subaltern groups suggests the importance of reading these developments in ways ... What kind of community should it address? If an important part of the recent rise of interdisciplinary approaches has been the exploration of the historical evolution of the academic disciplines themselves, ... copies of the productions of genius and compilations of learning, bringing them within the reach of all ranks of men’. 20 Exchanges in print might lead to new ideas, but literature’s role as a means of...

Ngày tải lên: 21/09/2012, 11:00

... teaching. The findings of the study demarcate that the teachers were following both the traditional and CLT approach in their practice. While addressing the issues regarding the Indonesian ministry ... participants in the language learning process. As a result, CLT also alters the role of the teacher. According to Breen and Candlin (1980), " ;the teacher has two main roles: the first role is ... know how to do is to compose in the act of writing, comprehend in the act of reading, and learn techniques of reading by writing and techniques of writing by reading.” Students can only learn...

Ngày tải lên: 07/11/2012, 15:01

... data sets, the results for 5HW in the N-domain of TnC, in the inhibitory region of TnI and at position 121 of TnI, followed the Ca 2+ -binding to the N-domain of TnC. The variation in K d and ... Ca 2+ signal is related to the N-domain. Further, the disruption of the sites in the C-domain affects the lower affinity part of the signal. The difference in the second part of the curve, however, is ... seems to have mainly a structural function in maintaining the organization of the Tn [7–9,45]. The function of the C-terminal region of TnI is less understood. Mapping of the TnI interactions Fig....

Ngày tải lên: 20/02/2014, 11:20

... simulation of DK9 thrombin in explicit water solvent supports the role of the A-chain in affecting the conformation and catalytic properties of the B-chain, particularly in some insertion loops of the ... thrombin show that the A-chain closely follows the contour of the catalytic B-chain, hinging the two interacting six-stranded bar- rel-like domains of the B-chain [17]. A well-structured network of ... single band of ~ 36 kDa for all the thrombin forms. Effect of pH on thrombin amidase activity and binding of the inhibitor a-NAPAP to the thrombin active site The effects of pH (5.5–10) on the...

Ngày tải lên: 07/03/2014, 12:20

... level of development, the prevalence of obesity (and of type 2 diabetes) is linked to the degree of inequality in society (measured us- ing such indicators as the Gini coefficient), rather than the ... processes directly and indirectly in uencing the prevalence of obesity THE DETERMINANTS • 13 2. The determinants of obesity Main messages • The simultaneous presence of physical inactivity and poor ... education of the mother and watching more television, explained most of the difference in the prevalence of obesity by ethnic origin. Finally, other risk factors, such as tobacco smoking and...

Ngày tải lên: 16/03/2014, 14:20

... confirm the expression of prosemin mRNA in some cell lines. A band of the predicted size (500 bp) of the PCR product was observed for most of the cell lines tested, including HPC-YO and HPC-YS, in ... Black bars indicate the enzymatic activity of entero- kinase on the substrate. The closed circles and line indicate prosemin enzyme activity after activation of the protein by enterokinase; the enzymatic ... indicating successful digestion of the artificial trypsinogen pro-enzyme frag- ment. The amount of 31 kDa prosemin increased in pro- portion to the time of incubation with enterokinase. Prosemin activity...

Ngày tải lên: 16/03/2014, 23:20

... in the case of the K137E mutant of HSP22 (Fig. 4B); however, in this case, the intensity of the band corresponding to the HSP22 dimer was more intense than in the case of the wild-type protein. Thus, ... intact protein at the beginning of tryp- sinolysis and at the fixed time of trypsinolysis) against the time of incubation (Fig. 8D). The apparent rate constants of trypsinolysis under these conditions ... shock proteins, each of which contains the so-called a-crystallin domain consisting of 80– 100 residues and located in the C-terminal part of the molecule. The a-crystallin domain consists of six...

Ngày tải lên: 23/03/2014, 07:20

... is critical in providing proper docking sites, either directly or indirectly, by modifying the conformation of PSII on the lumenal side, making efficient binding of PsbQ and PsbP of the OEC possible. A ... emphasizing the role of these two subunits as primary assembly partners for construction of the PSII complexes. Indeed, the PsbE protein was also present in tiny amounts in the thylakoid membranes of ... R.&Yamamoto,Y.(2003)Dynamicinteraction between the D1 protein, CP43 and OEC33 at the lumenal side of photosystem II in spinach chloroplasts: evidence from light- induced cross-linking of the proteins in the donor-side...

Ngày tải lên: 30/03/2014, 13:20

... demonstration of BMPs 2. To examine the reactions of farmers to the BMP demonstration trials in light of these issues, and 3. To assess the role of farmer associations (aqua clubs) in facilitating the ... four major catfish farming provinces in the Mekong Delta, but also included surveys of other BMP farmers and some non BMP farmers in the other major provinces of the Delta. The fieldwork component ... within the catfish farming sector in the Mekong Delta • Improved performance of BMPs in addressing social and environmental issues and overall sustainability of the catfish farming sector in the...

Ngày tải lên: 21/06/2014, 04:20

... wells anddistancetoroads;Table2).Wealsoretainedthe date of initiation of the incubation process (Julian date) and the nest age in the model (Table 2). The final land- scape model thus included seven covariates, including the intercept. We ... wind direction to navigate to the source of the odor (i.e., the nesting bird). It is interesting to note that the two weather variables most responsible for olfaction were included into the final models ... of female greater sage-grouse and nests, and corresponding nest fates, on the 5,625-km 2 study area in the Wind River Basin in central Wyoming, USA. b Dates listed are for the initiation of the...

Ngày tải lên: 21/06/2014, 17:20

... previous data showing that renal injury in the MRL mouse is independent of Fc receptors [51], our stud- ies showing the functional deficiency of C4 in these mice, and that the loss of the major negative ... C4b-binding protein deficiency. Blood 1990, 76:2527-2529. 14. Hessing M, van TVC, Bouma BN: The binding site of human C4b-binding protein on complement C4 is localized in the alpha'-chain. ... seven α chains cova- lently bound to each other and to one β chain. Other isoforms contain either seven α chains without a β chain or six α chains with one β chain. The α chain is composed of eight...

Ngày tải lên: 09/08/2014, 10:21

... constitutive expression of any of the Bax isoforms in the mock- infected SIRC cells (Fig. 4). Interestingly, we observed a dramatic rise in the level of Bax-β in HSV-1-infected cul- tures (Fig. 4). Following the ... replication To investigate the basis of the HSV-1-induced increase of the TAp63γ level, SIRC cells were infected in the presence or absence of the viral DNA replication inhibitor ACG. The cells were ... impres- sive reduction in the level of the ΔNp63α and a dramatic rise in the level of TAp63γ following infection with HSV- 1 (Fig. 4). The kinetics of HSV-1 replication and the level of TAp63γ expression...

Ngày tải lên: 10/08/2014, 05:21

Ngày tải lên: 12/08/2014, 00:20

Ngày tải lên: 13/08/2014, 08:20