Ngày tải lên: 11/08/2014, 14:21
... residue on the N-terminus in BM-1, rather than two arginines (Arg1 on the N-terminus and Arg18 in PG-1 or Arg17 in IB-367 on the C-terminus), one at the N- and the other at the C-terminus; this ... condi- tions), but only in the loop (Arg7, Arg9) and in the N-terminal fragment (Arg1), not in the C-terminal fragment. In PG-1, the cationic arginine residues occupy the loop, N- and C-termini. In this way, ... structure. Androc- tonin has an unequal number of residues on each strand between the two bridges – five in the N-terminal strand and three in the C-terminal strand. This causes a greater twist in the...
Ngày tải lên: 22/03/2014, 21:20
Báo cáo khoa học: Coexpression, purification and characterization of the E and S subunits of coenzyme B12 and B6 dependent Clostridium sticklandii D-ornithine aminomutase in Escherichia coli potx
... reveals the presence of a con- served PLP-binding site, a lysine residue at position 629, at the C -terminus of the OraE p rotein [11]. The binding of PLP to D -ornithine aminomutase was investigated ... under the control of the T7 promoter, and coexpression of oraE and oraS genes was carried out in E. co li. Meanwhile, the extent of the involvement of AdoCbl or PLP in the in vivo folding process ... dependent enzymes, binds pyridoxal 5 Â-phosphate via an azomethine link between the formyl group of the c ofactor and the amino group of a protein residue. In contrast, the absence of absorption maximum...
Ngày tải lên: 30/03/2014, 15:20
Báo cáo khoa học: Regulation of the expression and subcellular localization of the taurine transporter TauT in mouse NIH3T3 fibroblasts doc
... within the initial 20 min following the addition of 14 C-labelled taurine. Using taurine uptake within the initial 20 min in NaCl medium containing extracellular taurine (0–50 l M ) and fitting the ... hypotonic incubation and it w as suggested that this effect reflected an inhibition of a p rotein tyrosine phosphatase [20]. Several of the serines, t hreonines and tyrosin es in the intracellular domains of TauT ... increased mRNA level of the TauT and a concomitant 1.7-fold increase in taurine uptake. The promoter to TauT contains a b inding site for the transcription factor NF-jB andactivationofNF-jB involves...
Ngày tải lên: 30/03/2014, 15:20
Tài liệu STRATIGRAPHY AND AMMONITE FAUNA OF THE VOLGIAN AND BERRIASIAN ROCKS OF EAST GREENLAND ppt
... of the section on page 8) of Lowcr Volgian age; and an Upper IIartzfjdd Sandstone, of early Cretaceolis date, comprising the remainder of the formation. In south-western Jameson Land the ... the ornament of most of the examples of Praetollia rnaynci, the type species, is like that of the inner whorls of Tollia and we do not know whcthcr the specimens were adults or the inner ... sketch map of the area, showing the outcrops observed and the locality numbers referred to in the palaeon- tological part of this paper, is given in figure 2. The commonest ammonite in these...
Ngày tải lên: 17/02/2014, 20:20
Báo cáo khoa học: Interaction of the E2 and E3 components of the pyruvate dehydrogenase multienzyme complex of Bacillus stearothermophilus ppt
... domains, followed by a peri- pheral subunit-binding domain (PSBD) responsible for binding E3 in the majority of organisms. In icosahe- dral complexes, the PSBD is also involved in the bind- ing of ... close to the twofold axis of E3 preventing the association of a second PSBD [28,29]. The interaction occurs at the C 2 -axis of symmetry in the E3 dimer, chiefly with the interface domain of E3, which ... and that determined here (see above) are probably due to the use of uniformly 15 N-labelled PSBD and the inclusion of additional resi- dues in the construct at the N-terminus of the domain. In...
Ngày tải lên: 16/03/2014, 18:20
Báo cáo khoa học: Characterization of the lipopolysaccharide and b-glucan of the fish pathogen Francisella victoria ppt
... of AA at 170.9 p.p.m. and H-4 of the Qui4N, indicating acylation of NH 2 -4 of Qui4N with one of AA carboxyl groups. Spectra contained signals of one N-acetyl group acylating N-4 of the AA. The ESI ... analy- sis of the LPS from related species is important in order to gain an understanding of the molecular basis of their biological properties, the host specificity and diversity of members of this ... of the most obscure region between Fuc R and Fuc L (data not shown). After the determination of the structure of the prod- uct 3, the full sequence of the oligosaccharides 1 and 2 was determined...
Ngày tải lên: 30/03/2014, 10:20
A review of the chemical and physical mechanisms of the storage stability of fast pyrolysis bio oils
Ngày tải lên: 19/06/2014, 14:02
Báo cáo khoa học: "Hydraulic conductance of root and shoot measured with the transient and dynamic modes of the high-pressure flowmete" ppsx
Ngày tải lên: 08/08/2014, 14:21
Comparing the cultural and linguistic analysis of the English word “meal” and words relating to it in contrast with Vietnamese equivalents.
... Definiting word and meaning . _ Introducing lexical and semantic field of word. _ Analyzing the culture and linguist of the word “meal” in English and in Vietnamese equivalents. _ Comparing the ... in the middle of the table. Family eating etiquette is not too much difficult. The oldest or the husband of the family sits at the head of the table and others sit in descending order according ... served, the diners remove the napkin from their place setting, unfold it and put it in their laps. When the diners leave the table at the end of the meal, they place napkin loosely next to their...
Ngày tải lên: 15/04/2013, 15:11
Tài liệu Live Red in support of the Heart and Stroke Foundation of Manitoba pdf
... be issued for the full gift amount. According to the CRA, if the value of the advantage does not exceed the lesser of 10% of the value of the gift and $75, then the value of the advantage is ... organizations donating a gift -in- kind provide an invoice stating the value (not cost) of the item as of the date of the donation. A gift -in- kind does not include a gift of service. Can sponsorship ... and simple to plan. Dinner, gala or social - Coordinate an evening of dinner and dancing in support of HSFM. Benefit dinners are great for rewarding employees and for promoting their work in...
Ngày tải lên: 19/02/2014, 03:20
Tài liệu Báo cáo khoa học: Inorganic pyrophosphatase in the roundworm Ascaris and its role in the development and molting process of the larval stage parasites doc
... 14.635 lmolặmin )1 ặmg protein )1 . The inset in (A) repre- sents the linear transformation of the curve. (B) Mg 2+ dependency was determined as described in (A) in the presence of increasing concen- trations ... concerning the kinetics and properties of the enzyme. More strikingly, we show a novel role of the PPase enzyme in the development and molting process of A. suum larvae in vitro. Materials and methods Parasites Adult ... determined by incubating the diluted recombin- ant proteins in the standard reaction mixture in the presence of increasing concentrations of PP i (0.05–0.5 m M )at55°C. Data were fit to the appropriate...
Ngày tải lên: 20/02/2014, 11:20
Tài liệu Research evaluation of economic, social, and ecological implications of the programme for commercial tree plantations: case study of rubber in the south of Laos PDR pptx
... again in the 1950s. The fall of the French in the fighting against the Communist Party of Indochina, led French investors to withdraw from the rubber estates in 1954. However, in Cambodia, the ... traditions in using the forest and land as they had done since the time of their ancestors. The National Forest Meeting in 1989 raised the importance of the forest for the livelihood of the Lao ... The Land Decree 1992, and the PM Decree on the Management and Use of Forest and Forest Land 1993, indicated the beginnings of the state’s transformation of land into capital as...
Ngày tải lên: 21/02/2014, 04:20
Báo cáo khoa học: Insertion of the plant photosystem I subunit G into the thylakoid membrane In vitro and in vivo studies of wild-type and tagged versions of the protein doc
... However, the presence of the tags in the loop make the membrane-inserted protein significantly more sensitive to trypsin, apparently by disrupting the interaction between the loop and the PSI core. Knock-out ... harvesting com- plex (LHCI), consisting of four members (Lhca1–4) of the chlorophyll a ⁄ b binding protein family. LHCI is bound along one side of PSI only, in the vicinity of the PSI-F and PSI-J ... 386 and 387, or at the extreme C-terminus of PSI-G (Fig. 1). These cassettes were both cloned into binary vectors under the control of the 35S promoter and terminator, and into vectors for in...
Ngày tải lên: 07/03/2014, 21:20
Báo cáo Y học: Role of histidine 42 in ascorbate peroxidase Kinetic analysis of the H42A and H42E variants pptx
... obtained in the absence of exogenous imidazoles. Formation of Compound I again showed saturation kinetics (Fig. 6), and a nonlinear least-squares fit of the data to Eqn (7) in the pres- ence of ... in uen- tial in defining the stability of Compound II. The replacement of the distal histidine residue by alanine or glutamic acid clearly has a profound in uence on the ability of the rAPX enzyme ... hydrogen-bond- ing structure involving the N e of His42 and the ferryl oxygen. However, although hydrogen-bonding interactions of this kind have been structurally confirmed for the ferrous- oxy derivative of...
Ngày tải lên: 18/03/2014, 01:20
Báo cáo " Pattern and determinant agents of the debris and mud flash flood in Lay Nua Commune area, the Former Muong Lay District, Dien Bien Province " docx
... on the other hand owingto the presence of the erodible shales and silty sandstone (T 2-3 lc) in the both river banks. This enlargement itself, its form and the presence of the twosystem of fault and fissures suggest ... ological structure.Therefore, the tectonicfissuresdisposed perpendicularly to the strike of a monoclinal structure predetermine the direction of the valleyaxis.On the otherhand, the monocline ... all kinds of flashflood,debris and mudflows in the former Muong Lay District during the last decade of the 20 th Century. 2.2.Relief of the region The relief of the region...
Ngày tải lên: 22/03/2014, 12:20