structure of a good essay writing

Ngày tải lên: 07/09/2013, 13:48

Ngày tải lên: 17/10/2013, 10:11

... declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative ... declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative imperative declarative declarative ability/neg. ... material descended material landed material put on material opened material climbed material stepped mental looked at relational ’s verbal said behavioural breath relational ’s (is) material...

Ngày tải lên: 12/02/2014, 20:20

... amide oxygen atom of Gln15 and the carbonyl oxygen atoms of Asp11 and Asn23 (Fig. 3) in an arrangement similar to what is observed in VPRK. Both PRK and VPRK have calcium bound at Ca3. SPRK also ... within a relatively narrow range (pH 5–8) and are often used in the food industry. Alkaline peptidases are generally highly active around pH 10, have broad substrate specificity and are active at ... subtilases is capable of accommodating at least six amino acid residues (P4–P2¢; notation according to Schechter and Berger [14]) of a polypeptide substrate or inhibitor [15], and both main chain and...

Ngày tải lên: 19/02/2014, 07:20

... 6, 501–523. 50 Feller G, Payan F, Theys F, Qian M, Haser R & Gerday C (1994) Stability and structural analysis of alpha-amylase from the antarctic psychrophile Alteromonas haloplanctis A2 3. Eur J Biochem ... glycosylase from Atlantic cod (Gadus morhua) reveals cold-adaptation features. Acta Crystallogr Sect D 59, 1357–1365. 10 Aghajari N, Van Petegem F, Villeret V, Chessa JP, Gerday C, Haser R & Van ... side chain and carbonyl oxygen of Asp9, the side chains of Asp12, Gln13, Asp19, the car- bonyl oxygen of Asn21 and one water molecule in a pentagonal bipyramidal manner (Fig. 4A) . Sequence alignments...

Ngày tải lên: 19/02/2014, 16:20

... Significantly, this structural feature of NOXtp is highly similar to that of valosine-containing protein-like ATPase from Th. acidophilum, an archaeal member of the AAA family (ATPases associated ... the utilization of oxygen by Desulfovibrio gigas. Eur J Bio- chem 216, 443–448. 32 Sakuraba H, Takamatsu Y, Satomura T, Kawakami R & Ohshima T (2001) Purification, characterization, and application of a ... with a native molecular mass of 300 kDa. A ring-shaped hexameric form was revealed by electron microscopic and image processing analyses. NOXtp catalyzed the oxidiza- tion of NADH and NADPH and...

Ngày tải lên: 07/03/2014, 04:20

... cerevisiae MAP kinase cascades typically composed of three tiers of protein kinases, a MAP kinase (MAPK), a MAPK kinase (MAPKK) and a MAPKK kinase (MAPKKK), are common signalling modules in eukaryotic ... the unavoidable nonbiological variations accompanying many experiments, it is imperative to consider a way of unravelling the functional interaction structure of a cellular network (e.g. signalling ... cellu- lar network structure based on stationary experimental data, which is applicable to a network of generalized modules under the assumption that each module con- tains at least one intrinsic parameter...

Ngày tải lên: 07/03/2014, 21:20

... HinCel 6A and CcCel6C (Fig. 2) indicated that Asp150 and Asp334 of CcCel6C are the potential catalytic residues and could act as a proton donor and a base, respectively. Another aspar- tic acid ... Igarashi 3 , Masahiro Samejima 3 , Kiyoharu Fukuda 1 , Atsushi Nishikawa 2 and Takashi Tonozuka 2 1 Department of Environmental and Natural Resource Science, Tokyo University of Agriculture and Technology, Japan 2 ... hydrolase family 6 enzyme, CcCel6C, a cellulase constitutively produced by Coprinopsis cinerea Yuan Liu 1 , Makoto Yoshida 1 , Yuma Kurakata 2 , Takatsugu Miyazaki 2 , Kiyohiko Igarashi 3 , Masahiro...

Ngày tải lên: 15/03/2014, 10:20

... organicrinorganic hybrid materials due to their applications in catalysis, sorption, energy storage, molecular electronics, optical ma- wx terials and ceramics 1–4 . A promising synthetic route takes advantage of a ... synthesized and structurally characterized. The 2102 310 structure of title compound consists of infinite chains running parallel to the b axis, that are made up of distorted WO octahedra linked 6 through ... low-temperature soft approach, hy- drothermal method, and the structure- directing function of organoamines. Recent developments in this area have proven its viability for the successful preparation of...

Ngày tải lên: 19/03/2014, 16:48

... mature a bacterial class I c-type cytochrome, Paracoccus denitrif- icans cytochrome c 550 [33]. Moreover, many taxa that have heme lyase apparently have separate heme lyases for the maturation of ... compilation ª 2009 FEBS 2831 of the alanine of the AXXCH motif (Ala25) (in green) and the unsaturated vinyl group of the heme (cyan) are separated by 3.41 A ˚ (as compared with a typical thioether ... Trypanosomatidae and the glycosomal redox balance of insect stages of Trypanoso- ma brucei and Leishmania spp. Mol Biochem Parasitol 149, 155–169. 16 van Hellemond JJ, Simons B, Millenaar FF & Tielens...

Ngày tải lên: 23/03/2014, 04:21

... Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan 2 Research Institute of Genome-based Biofactory, National Institute ... at both ends. In the case of Xgh7 4A, the active cleft is open. Although a precise anal- ysis of the mode of action of Xgh7 4A has not been performed, Xgh7 4A appears to be an endoglucanase because ... Prism (GraphPad Software, San Diego, CA, USA). One unit was defined as the amount of enzyme that released 1 lmol of glucose equivalent as reducing sug- ars from xyloglucan per minute. Analysis of substrate...

Ngày tải lên: 23/03/2014, 05:22

... hydrolysis of the critical b-lactam ring and render the antibiotic inactive against its original cellular target, the cell wall transpeptidase. b-Lactamases of Keywords class C b-lactamase; cold adaptation; psychrophile; ... enzyme activity: crys- tallographic structure at 2 -A resolution of cephalospo- rinase from the ampC gene of Enterobacter cloacae P99 and comparison with a class A penicillinase. Proc Natl Acad Sci ... Lie ` ge-Sart, Tilman, Belgium b-Lactamases are the major causes of bacterial resis- tance to the b-lactam family of antibiotics, such as penicillins and cephalosporins. These enzymes catalyze the...

Ngày tải lên: 23/03/2014, 07:20

... D36N-1 5’-CATCCTTCCCTATCTC AACATCCAGCTGGTTTACT-3’ D341N-1 5’-AAGGGGAGAACTC AACGGAACACCGGAGG-3’ D389N 5’-CACTCTCGAAGAGTTCATA AACGAAGTGAAGAAGAATCTC-3’ 5’-GAGATTCTTCTTCACTTCGT TTATGAACTCTTCGAGAGTG-3’ M. Karlstro ¨ m ... 5’-CCTGGAGAAATCGATCA TGAGCTTCGCTCAGTCGTG-3’ 5’-CACGACTGAGCGAAGCT CATGATCGATTTCTCCAGG-3’ F205M 5’-AAAAGGTCGACATCTGG ATGGCGACGAAAGACACGATC-3’ 5’-GATCGTGTCTTTCGTCGC CATCCAGATGTCGACCTTTT-3’ D36N ... and 120 °C using a scan rate of 1 KÆmin )1 . A constant pressure of 2 bar was applied in order to avoid boiling at high temperatures. Each sample was scanned a second time after the actual calorimetric...

Ngày tải lên: 23/03/2014, 10:21

... distance data by dynamical simulated annealing from a random array of atoms. FEBS Lett 239, 129–136. 58 Yip P & Case DA (1989) A New Method for Refine- ment of Macromolecular Structures based ... Ragona L, Molinari H, Tava A & Zetta L (2003) Anticarcinogenic Bowman-Birk Inhibitor Isolated from Snail Medic Seeds (Medicago scutellata): Solution Structure and Analysis of Self Association ... respectively, by means of standard Lineweaver–Burk analysis of initial rate kinetics. Fitting of the experimental data required as input data the initial concentrations of BApNA, enzyme and inhibitor,...

Ngày tải lên: 23/03/2014, 10:21

... chrysosporium (GenBank: AAA19802), T. reesei (GenBank CAA49596), A. niger (GenBank AAF04491), H. grisea (GenBank AAD11942) and A. acule- atus (GenBank BAA25183) gave sequence identity values of 65%, 64%, ... – a mean for fun ctiona l classification of cellulases. Eur. J. Biochem. 258, 200–206. 68. Takashima, S., Iikura, H., Nakamura, A. , Hidaka, M ., Masaki, H. & Uozumi, T. (1998) Isolation of ... against a black background are amino acids that are identical or have a conserved substitution in all five sequences. Residues in white against a grey background are amino acids that are identical...

Ngày tải lên: 23/03/2014, 13:20

... surface areas and hydrogen bonds of the SAK dimer models. Accessible surface areas are calculated with a probe radius 1.4 A Ê added to the van der Waals rad ius. Dimer model Buried surface area ... designated as a a, h ead±tail, and b±b.Thea a dimer h as a diad 3 and is characterized as helix-helix packing between the two monomers, as shown in Fig. 2A. The head±tail dimer is formed by a crystallographic ... Interaction between staphylokinase, plasmin(ogen), and alpha 2 -antiplasmin. Recycling of staphylokinase after neutralization o f the plasm in-staphylo- kinase c omplex by a lpha 2 -antiplasmin. J. Biol....

Ngày tải lên: 23/03/2014, 21:21

Ngày tải lên: 29/03/2014, 08:20

Ngày tải lên: 30/03/2014, 08:20

Ngày tải lên: 31/03/2014, 07:20

Ngày tải lên: 31/03/2014, 21:21