... account the partial overlap of the specific cross-peaks, the resulting relative amount of I2 at 298 K was 19 ± 9% of the total protein The occurrence of an I2 intermediate in equilibrium with the main ... isomerization of Pro32 during refolding of b2m Whatever the origin of the conformational equilibrium that gives rise to the slow refolding step of b2m, the proposed correspondence of the second ... details of NOESY spectra are shown In spite of the different conditions of temperature and pH, the close similarity of the patterns is readily appreciated The excellent resolution of the resonances...
Ngày tải lên: 23/03/2014, 11:20
... the mode of annexin II– S100A10 interaction In the case of the latter, the C-terminal domain of S100A10 was proven to be critical for the recognition of annexin [45] However, in the case of the ... coupled to the sensor chip in the presence of Ca2+ A schematic representation of the amino acid sequences of the four mutants is given in Fig 4A Figure 4B and Table show the kinetics of the interactions ... at a flow rate of 20 lLÆmin)1 in the presence of mM Ca2+ or mM EGTA Table The affinity kinetics of interaction between S100A12 and its target proteins in the presence of mM CaCl2 The rate constants...
Ngày tải lên: 30/03/2014, 15:20
Báo cáo Y học: Antiproliferative proteins of the BTG/Tob family are degraded by the ubiquitin-proteasome system docx
... inhibited the degradation of BTG1, BTG2, and Tob2 proteins The result in the case of transiently expressed T7-tagged Tob was the same as that in the case of endogenous Tob (data not shown) Taken together, ... then degraded by the 26S proteasome In addition, analyses of the stabilities of truncated mutants of BTG1, BTG2, Tob, and Tob2 revealed that their C-terminal regions control the stabilities of ... (Fig 2) In either case, the treatment of HEK293 cells with MG132 resulted in remarkable accumulation of the respective protein Next, we analyzed the effects of MG132 on the degradation of BTG1, BTG2,...
Ngày tải lên: 31/03/2014, 21:21
Báo cáo y học: "Archaeal phylogeny based on proteins of the transcription and translation machineries: tackling the Methanopyrus kandleri paradox" pdf
... composed of two proteins, one corresponding to the helicase module and the amino terminus of the topoisomerase module and the other to the carboxy terminus of the topoisomerase module [49] Another ... acceleration of RNA polymerase subunits that may have facilitated the loss of TFS Nevertheless, the hypothesis of a direct effect of the loss of a TFIIS-like transcription elongation factor on the rate of ... thus strengthen the hypothesis that the early emergence of interactions The likely displacement of the original RNA polymerase subunit H of M kandleri by the orthologous subunit from Thermoplasmatales...
Ngày tải lên: 09/08/2014, 20:21
Báo cáo y học: "What properties characterize the hub proteins of the protein-protein interaction network of Saccharomyces cerevisiae" pot
... fraction of proteins with high numbers of interactions that evolve slower than most proteins in the yeast network [12] The difference between some of these studies seems to be due to the nature of the ... hubs for the topology of the network [14] Further, while there is no substantial difference between the proportion of essential proteins among the party and date hubs, perturbation of the latter ... particularly often with paralogous groups of proteins Neither can recurrence of domains in interaction partners explain much of the interactions in the network Furthermore, we noted that multi-domain...
Ngày tải lên: 14/08/2014, 16:21
Computer illiteracy as one of the main problem of business student
... The problem of computer illiteracy as a one of main problems of business students Symptoms The main symptom of the computer illiteracy is an inability ... is the main problem of student who spend a lot of time and force for solving a problem, which can be solved with the help of PC faster And all we know that computer literacy is on of the main ... we depend on other people Causes The first cause of the problem of computer illiteracy is the lack of useful information in the course of information science The second cause is unwillingness...
Ngày tải lên: 26/10/2013, 17:15
Tài liệu Báo cáo khoa học: Seeking the determinants of the elusive functions of Sco proteins pptx
... function of the CXXXC motif of human Sco proteins could therefore be implicated not only in the maturation of the CuA site of Cox2 but also in the maintenance of cellular copper homeostasis The involvement ... determining the aggregation state of these proteins The data therefore support the hypothesis that this N-terminal region is important for modulating the aggregation state of the proteins In ... diffuses across the outer membrane into the IMS through Determinants of the elusive functions of Sco proteins either porin or the TOM complex; however, the highly impermeable nature of the inner membrane...
Ngày tải lên: 14/02/2014, 18:20
Tài liệu Báo cáo khoa học: Minor capsid proteins of mouse polyomavirus are inducers of apoptosis when produced individually but are only moderate contributors to cell death during the late phase of viral infection ppt
... detected the fused proteins (Fig S1B) Intracellular localization of the wt minor proteins and their fusion variants Distribution of the fused minor capsid proteins was followed through the analysis of ... as a control of sample loadings Discussion In the present work, the cytotoxic properties of the minor structural proteins (VP2 and VP3) of the MPyV were studied in the absence of other virus components ... during the late phase of virus infection The role of the minor structural proteins in the replication cycle still remains obscure Our previous analysis of MPyV mutated in the minor structural proteins...
Ngày tải lên: 16/02/2014, 09:20
Tài liệu Báo cáo khoa học: Arabidopsis thaliana BTB⁄ POZ-MATH proteins interact with members of the ERF⁄AP2 transcription factor family ppt
... in the central cylinder of the root, but not in the lower parts of the hypocotyl (a) Rosette leaves were stained in the vascular tissue of the leaf blade, whereas the petiole and older parts of ... requires a complete MATH domain and the N-terminal region of RAP2.4 The use of a truncated version of BPM1 in the Y2H screens demonstrated that the BTB domain is not involved in the assembly with RAP2.4 ... with CUL3 and other BTB proteins [2,16], it remains unclear what kind of interactions are mediated by the MATH domain in plants In this article, we show that the MATH domain of BPM proteins is used...
Ngày tải lên: 18/02/2014, 06:20
Tài liệu Báo cáo khoa học: Analysis of the molecular dynamics of medaka nuage proteins by fluorescence correlation spectroscopy and fluorescence recovery after photobleaching doc
... in the one-cell stage to visualize the localization and to measure the mobility of the components in the PGCs The medaka embryo was peeled off the chorion, and the segment containing the part of ... on the same setup of the laser scanning microscope as used for FCS analysis The detection gain was adjusted to the uorescence of the GFP fusion proteins almost at the saturation level of the ... outside of the nuage in the cytoplasm of the migrating PGC FCS analysis revealed that Olvas GFP diffused with a diffusion constant of 7.0 lm2ặs)1 (Fig 3A) During the measurement of the PGC, the 10...
Ngày tải lên: 18/02/2014, 16:20
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 ... peptides synthesized in the Spemann organizer, namely Follistatin, Chordin and Noggin [12] These proteins are antagonists of BMP and other members of the TGF-b family, binding to and inhibiting these ... cell types [18] The morphogen concentration is high in the ventral and lower in the dorsal domain The steepness of the gradient is determined by how much BMP there is available The different concentration...
Ngày tải lên: 19/02/2014, 00:20
Tài liệu Báo cáo khoa học: Characterization of chitinase-like proteins (Cg-Clp1 and Cg-Clp2) involved in immune defence of the mollusc Crassostrea gigas docx
... based on the conserved amino acid sequences of the catalytic domain of members of the GH18 family resulted in the amplification of an expected 147 bp sequence Cloning and sequencing of this fragment ... As YKL-40 is only composed of the sole Glyco_18 domain, the C-terminal tail of C gigas CLPs may not noticeably contribute to the structure and the function of these proteins Interestingly, Cg-Clp1 ... and the remodelling of larval tissues to produce adult tissues (i.e the development of the gills and the production of an adult shell), which is accompanied by significant growth of the soft body...
Ngày tải lên: 19/02/2014, 00:20
Tài liệu Báo cáo khoa học: Oligomerization of the Mg2+-transport proteins Alr1p and Alr2p in yeast plasma membrane pptx
... be a common feature of the CorA-Mrs2-Alr1 superfamily of proteins Furthermore, during preparation of this paper, the crystal structure of the CorA protein of the bacterium Thermotoga maritima ... due to the substitution of a conserved, negatively charged residue in the loop connecting the two TM domains Results The genome of the budding yeast encodes two closely related proteins of the CorA ... near their C-terminus and a GMN motif at the end of TM-A [11] The short sequence connecting the two TM domains appears to be oriented towards the outside of the bacterial plasma membrane or the...
Ngày tải lên: 19/02/2014, 06:20
Tài liệu Báo cáo khoa học: Integral membrane proteins in the mitochondrial outer membrane of Saccharomyces cerevisiae docx
... means of purifying integral membrane proteins from the mitochondrial outer membrane, and of the 11 most abundant integral proteins, 10 had a-helical transmembrane segments Of these 10 proteins, ... biogenesis While the function of Om14 remains unclear, it may be related functionally to another major protein in the outer membrane, Om45 No detailed data on the stoichiometry of these proteins exists, ... related proteins from other fungi, or even in the fission yeast Schizosaccharomyces pombe Both the lack of obvious orthologs in other fungi and the abundance of Om14 in the outer membrane would...
Ngày tải lên: 19/02/2014, 07:20
Tài liệu Báo cáo khoa học: Physiological relevance of the endogenous mono(ADP-ribosyl)ation of cellular proteins doc
... Despite the low similarity at the level of their amino-acid sequences, there are common structural features that characterize this family of mammalian ARTs [15,16] The catalytic domain of these ... [17,18] In several of the ARTs, the replacement of this second glutamate abolishes the ability of these transferases to use arginine as acceptors, thus further supporting the hypothesis that this ... essential for both activities The removal of the C-terminal basic domain decreases the transferase, but enhances the NADase activity The N- and C-terminal regions of ART1 are therefore required for...
Ngày tải lên: 20/02/2014, 02:21
Tài liệu Báo cáo khoa học: Different mechanisms for cellular internalization of the HIV-1 Tat-derived cell penetrating peptide and recombinant proteins fused to Tat docx
... abolished the internalization of the GFP-fused Tat protein but did not alter the uptake of the Tat CPP These biochemical evidences con®rmed a pathway for the entry of the Tat peptide unrelated to the ... concentration of lgámL)1 in the presence of 100 lM chloroquine in the cell culture medium For FACS analysis, the concentration of the recombinant protein was increased to lgámL)1 The internalization of the ... with the GFP-Tat fusion protein to assess the effective inhibition of the receptor mediated endocytosis Despite a 12.5 molar excess of the Tat peptide, no detectable reduction of the uptake of the...
Ngày tải lên: 21/02/2014, 03:20
Tài liệu Báo cáo Y học: Regulation of transcription of the Dnmt1 gene by Sp1 and Sp3 zinc finger proteins doc
... Characterization of the promoter of the mouse Dnmt1 gene (A) Transcriptional activity of the mouse Dnmt1 promoter in NIH3T3 cells The top diagram shows the mouse Dnmt1 gene and the lower diagram shows the ... Conversely, the addition of GST–Sp3 resulted in a similar reduction in the binding of Sp1 to the GA motif (data not shown) These results imply that the binding of Sp1 and of Sp3 to the GA motif ... levels of Sp3 exceed those of Sp1 The ratio of Sp3 to Sp1 is inverted when these cells differentiate in vitro In differentiating keratinocytes, only Sp3 enhances the activation of the promoter of the...
Ngày tải lên: 22/02/2014, 07:20
Đề tài " A stable trace formula III. Proof of the main theorems" pptx
... formula In the second paper [II], we established a key reduction in the proof of one of the global theorems In this paper, we shall complete the proof of the theorems We shall combine the global ... argument, the reader can consult the proof of Lemma 5.2 of [A2] and the discussion at the end of Section 10 of [AC].) The terms in the expansion therefore vanish The remaining distribution has its ... a minor gap at the end of the argument in [AC, §2.17] We shall establish the global theorems in Section With the proof of Local Theorem in hand, we will see that the expansions of Sections 2–5...
Ngày tải lên: 05/03/2014, 23:20
Báo cáo khoa học: Protein–protein interactions and selection: generation of molecule-binding proteins on the basis of tertiary structural information potx
... small scaffold proteins, and as methods for designing high-quality libraries of small scaffold proteins Functionalization of small scaffold proteins by peptide grafting The design of chimeric proteins, ... immunogenicity of the antibody framework from a different species [23–25] The success of the series of studies shows that the stable framework structure of Fv enables the transfer of function by means of ... Functionalization of small scaffold proteins by replacing a loop of the scaffold protein with a CDR loop of antibody fragments (A) Replacement of the candidate location in NCS for grafting with the CDR loop of...
Ngày tải lên: 06/03/2014, 11:20
Báo cáo khoa học: Functional classification of scaffold proteins and related molecules pptx
... scaffold proteins L Buday and P Tompa Table Scaffold proteins and their kin Representatives of the four categories of scaffold proteins and their relatives are presented The length of the human ... general proteins P, phosphate the literature, the names are often used interchangeably, which indicates that the functions of the proteins in the four categories overlap significantly and they are often ... classification of scaffold proteins A B A Adaptor B B A C Scaffold/ anchor C Docking P P P P Fig Mechanisms of scaffold proteins and their kin This scheme outlines the most important aspects of the function...
Ngày tải lên: 06/03/2014, 22:21