the relations between the crystal structure and physicochemical properties
THE INFLUENCE OF COBALT ON CRYSTAL STRUCTURE AND MAGNETIC PROPERTIES OF nimnsbb2 HEUSLER ALLOYS
Ngày tải lên :
24/06/2016, 12:58
... process) the temperature drops as the domains [1] absorb the thermal energy to perform their reorientation The randomization of the domains [2] occurs in a similar fashion to the randomization at the ... both the cooling capacity and the temperature difference between the cold and the hot ends of the refrigerator (generally a larger ∆Tad corresponds to a larger cooling capacity of the material and ... within the crystal lattice and are often out of step with each other where they meet The anti-phase domains grow as the alloy is annealed There are two types of APBs corresponding to the B2 and...
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Báo cáo khoa học: H NMR study of the molecular structure and magnetic properties of the active site for the cyanomet complex of O2-avid hemoglobin from the trematode Paramphistomum epiclitum pdf
Ngày tải lên :
23/03/2014, 17:22
... is the angle between the projection of the tilt of the z axis on the xÂ, y plane (dened direction of tilt of z and the x axis), and j % a + c denes the location of the rhombic (x, y) axes The ... move away from the heme and the B-helix moves closer to the heme in the WT metHb than in the rWT metHbH2O crystal structure, with the result that the ligated water is lost in the latter complex ... (case I) or the WT metHb [17] (case II) crystal structures In order to utilize the information in ddip for distinguishing between the two crystal structures, the experimental shifts and crystal coordinates...
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Báo cáo khoa học: Crystal structure and enzymatic properties of a bacterial family 19 chitinase reveal differences from plant enzymes pdf
Ngày tải lên :
07/03/2014, 11:20
... equilibrium The top panel represents a standard mixture of GlcNAc oligomers showing the standard 60 : 40 ratio between the a-anomer and the b-anomer at equilibrium The other panels show the results ... of the ChiG and ChiC structures Despite the deletion of the B-loop, the two putative catalytic residues Glu68 and Glu77 are structurally well conserved between ChiG and the plant enzymes Andersen ... eight and seven residues respectively (Fig 1) The N-termini of the plant enzymes and the first residue in the ChiG structure (Phe12) (Fig 4A), are located on the opposite side of the enzyme to the...
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báo cáo hóa học:" Crystal structure and electrical properties of bismuth sodium titanate zirconate ceramics" pdf
Ngày tải lên :
21/06/2014, 17:20
... Almelo, The Netherlands) with CuKa radiation was used to investigate the phase and crystal structure of the sintered ceramics The preliminary crystal structure details were calculated using the Powder ... observe the microstructure of the ceramics To prepare the SEM samples, they were well-polished and thermally etched for 15 at 750°C The average grain size was then evaluated from these SEM images The ... experiment and analysis and drafted the manuscript PJ participated as the assistant for the research experiment AW and SJ participated in the conception and design of the study and revised the manuscript...
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Tài liệu Báo cáo khoa học: The crystal structure of human a-amino-b-carboxymuconatee-semialdehyde decarboxylase in complex with 1,3-dihydroxyacetonephosphate suggests a regulatory link between NAD synthesis and glycolysis ppt
Ngày tải lên :
18/02/2014, 06:20
... in the crystal, and a mixture of monomeric and dimeric forms in solution [18] Therefore, the available structural data suggest Fig Ribbon representation of the overall structure of hACMSD The ... was the most potent and was therefore selected for our structural investigation Our results provide the first structural image of an ACMSD in a ligand-bound form, and may be used to assist the structure- based ... in light blue and the ACMSDspecific small insertion domain in blue The DHAP molecule and the protein residues involved in metal coordination are shown as sticks; the Zn2+ ion and the solvent molecule...
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Tài liệu Báo cáo khoa học: The crystal structure of coenzyme B12-dependent glycerol dehydratase in complex with cobalamin and propane-1,2-diol pptx
Ngày tải lên :
21/02/2014, 03:20
... integrated and scaled using the programs Mosflm and SCALA in the CCP4 suite [47] with DPS [48] Structure determination and refinement The structure of the enzyme was determined and refined using the program ... performed, and the monitor and the packing values were checked to determine the result from the candidates We concluded that there is an (abc)2 dimer in an asymmetric unit of the cell The ˚ calculated ... staining, and only the upper one stained upon activity staining (data not shown) The Mr values for the upper and lower bands were 220 000 and 200 000, respectively These data suggest that the subunit...
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Báo cáo khoa học: The crystal structure of annexin Gh1 from Gossypium hirsutum reveals an unusual S3 cluster Implications for cellulose synthase complex formation and oxidative stress response potx
Ngày tải lên :
17/03/2014, 03:20
... cations in the conformation found in the crystal structure Neither the first nor the other domains are able to coordinate cations in these regions, as positively charged residues in the close vicinity ... while in the second run the detector was moved closer to the crystal to record reflections between ˚ and 2.1 A Data processing was carried out with the programs DENZO and SCALEPACK [21] and the data ... head-to-head The exposed tryptophan side chain is sandwiched between Arg261 and Tyr308, right between the AB and DE loops of the domain IV of the symmetry mate Compared to Anx24(Ca32), the tryptophan...
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Báo cáo khoa học: Crystal structure and solution characterization of the activation domain of human methionine synthase doc
Ngày tải lên :
23/03/2014, 09:21
... any other AdoMet-binding protein structure [14] An antiparallel b sheet (b1, b2, b5 and b8) forms the upper part of the structure along with strands b3 and b4, which form a b meander On the opposite ... suggested to be involved in the interaction between MS and FLD [18] We note that in the two regions of the protein where the major differences occur between the E coli and human structures, both contain ... activation on the structure, and their symmetry-related molecules to be able to accurately calculate Sc values Both the size of the contact surface, the Sc value and the fact both monomers in the asymmetric...
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Báo cáo y học: " Exploring the black box of quality improvement collaboratives: modelling relations between conditions, applied changes and outcomes" ppsx
Ngày tải lên :
11/08/2014, 05:21
... Hypothesis A concerns the relation between the three conditions and the number of changes teams applied The association between organisational support and external change agent support and the ... predicted relations between conditions and outcomes (correlations), associations between applied changes and the conditions and outcomes (fixed effects) and variance components at three levels (random ... about the process and outcomes of QIC implementation, the four hypotheses were tested using multi-level analyses In Table 4, the estimated correlations, fixed effects, random effects, and the percentage...
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báo cáo khoa học: " Exploring the black box of quality improvement collaboratives: modelling relations between conditions, applied changes and outcomes" doc
Ngày tải lên :
11/08/2014, 16:20
... Hypothesis A concerns the relation between the three conditions and the number of changes teams applied The association between organisational support and external change agent support and the ... predicted relations between conditions and outcomes (correlations), associations between applied changes and the conditions and outcomes (fixed effects) and variance components at three levels (random ... about the process and outcomes of QIC implementation, the four hypotheses were tested using multi-level analyses In Table 4, the estimated correlations, fixed effects, random effects, and the percentage...
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Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
Ngày tải lên :
13/02/2014, 04:20
... (3) where B2θ is the full width half maximum (rad), λ the wavelength of the X-ray, θ the angle between the incident and diffracted beams (degree) and d the particle size of the sample (nm) (in ... weights of all the atoms in the unit cell, V is volume of the unit cell and N is the Avogadro’s number Since each primitive unit cell of the spinel structure contains molecules, the X-ray density, ... according to the following relation and is shown in Table1 Dx = 8M (2) N A a Where, M is molecular weight of the particular ferrite, NA is the Avogadro’s number and a3 is the volume of the cubic...
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Tài liệu Báo cáo Y học: The solution structure and activation of visual arrestin studied by small-angle X-ray scattering pot
Ngày tải lên :
22/02/2014, 07:20
... 0.15 and 0.2 nm)1 (Fig 5A; v ¼ 3.2) but only a slight improvement in the fit of the BD dimer model (Fig 5B; v ¼ 4.4) The agreement between the theoretical scattering from the models and the experimental ... scattering from the black, structure The difference between scattering from the two structures is given in the top of the graph, expressed as a percentage of the total signal, as in Figs and Ó FEBS ... curve) and wild-type arrestin (solid curve), both at 500 lM The curves in graphs A and B were smoothed and difference curves plotted as in Fig fraction of monomer is 0.35, and therefore the Rg for the...
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Báo cáo khoa học: Eukaryotic class 1 translation termination factor eRF1 ) the NMR structure and dynamics of the middle domain involved in triggering ribosome-dependent peptidyl-tRNA hydrolysis pptx
Ngày tải lên :
07/03/2014, 05:20
... crystal structure of human eRF1 [3] Therefore, the differences between the crystal and solution structures arise mainly from changes in the orientations of the loops and a-helices relative to the ... of part of the protein backbone structure of the representative solution structure of the human eRF1 M domain and the Ca trace in the crystal structure of RF1 in the whole ribosome structure (Protein ... 0.5 and 1.0; the values of the order parameter S were fast between 0.8 and 1.0; the values of the internal motion correlation times sslow were between and 1.1 ns; and the values of the internal...
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Báo cáo khoa học: The crystal structure of NlpI A prokaryotic tetratricopeptide repeat protein with a globular fold potx
Ngày tải lên :
07/03/2014, 16:20
... during purification and handling We therefore cloned and expressed NlpI, and determined the protein structure by X-ray crystallography The structure reveals a fold in which the TPR is not an independent ... prokaryotic organism The structure reveals an intimate association between the TPR motifs and the rest of the protein, showing how the TPR participates in the overall fold Until now, many of the TPR-containing ... Glu235 and Glu270, and with the back bone amide of Val269 Phe165 and Phe268 face each other, flanking the two carboxylates and Tris (Fig 6D) NlpI is thought to play a role in the regulation of the...
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Báo cáo khoa học: The crystal structure of a xyloglucan-specific endo-b-1,4glucanase from Geotrichum sp. M128 xyloglucanase reveals a key amino acid residue for substrate specificity potx
Ngày tải lên :
23/03/2014, 05:22
... Comparison of the active site from )2 to +2 for XEG and the OXG-RCBH ⁄ XXXG complex The stereo views of XEG and OXG-RCBH are shown in blue and purple, respectively The substrate XXXG and the amino ... I, Cryo I and Cryo II (all DeCODE Genetics, Reykjavik, Iceland), and were refined by varying the pH of the buffer and the concentration of the precipitant Prior to data collection, a crystal was ... those residues The loop structure is responsible for the exo-activity of OXG-RCBH, and the absence of the loop is associated with endo-activity in XEG Therefore, it is most likely that the endoactivity...
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Báo cáo khoa học: The crystal structure of human WD40 repeat-containing peptidylprolyl isomerase (PPWD1) pdf
Ngày tải lên :
23/03/2014, 07:20
... using NMR is caused by the specific interactions captured in the crystal structure Taken together, these data suggest that the intermolecular interaction trapped in the crystal structure can indeed ... T L Davis et al Fig Structure of PPWD1 and comparison with other Cyp structures (A) The structure of the isomerase domain of PPWD1 is shown in ribbon format The N-terminus and secondary structural ... Americas, The Woodlands, TX, USA), and integrated and scaled using the hkl2000 program package [40,41] For structure solution and refinement, the program phaser [42] was used as part of the ccp4...
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Báo cáo khoa học: The crystal structure of the ring-hydroxylating dioxygenase from Sphingomonas CHY-1 pot
Ngày tải lên :
23/03/2014, 09:21
... Overall, the crystal structure of PhnI is very similar to that of other RHDs (Fig 4); the ab heterodimers rmsd between a carbon chains ˚ ˚ being 1.2 A between PhnI and NDO-O9816-4 and 1.5 A between ... antiparallel b-sheet in the center of the domain with the active site of the enzyme on one side and the Rieske center on the other side of the sheet (Fig 3) Covering one side of the sheet are two FEBS ... blue in the foreground and the surface of the catalytic pocket in orange in the back Structural water molecules are shown in red at the entrance and inside the channel At the end of the channel...
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Báo cáo khoa học: The crystal structure of a hyperthermostable subfamily II isocitrate dehydrogenase from Thermotoga maritima pdf
Ngày tải lên :
23/03/2014, 10:21
... interfere with the neutralization of the positive charges provided by Lys3, and at the very end of the N-terminus The distances between the aspartates and the lysines were between ˚ 4.5 and 7.2 A ... four-helix bundle The active site The active site of the IDHs is formed in the cleft between the small and the large domains and contains residues from both domains and both subunits The substrate-binding ... orientations found in other IDH crystal structures The rotation and the position of the dimer of the small domains, including the clasp domain, were located using the equivalent domains of the porcine mitochondrial...
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Báo cáo khoa học: The crystal structure of Thermoactinomyces vulgaris R-47 a-amylase II (TVA II) complexed with transglycosylated product potx
Ngày tải lên :
23/03/2014, 12:20
... +1 and +2¢, and Glc )3 and )2, were )168.8° and 47.2°, respectively The distances between O2 (+2¢) and O6 (+2), and O2 ()3) and ˚ O6 ()1) were 4.2 and 6.7 A, respectively Phe286 of MOL-1 and ... Factory, Japan) The data was processed and scaled using the programs DPS/MOSFLM [21] Structure refinement The structure of the D325N complex was solved by molecular replacement using the unliganded TVA ... in the catalytic site The structure of the complex was determined by molecular replacement using the structure of unliganded TVA II (PDB code 1JI2) [12] as a search model In the final model, there...
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Báo cáo khoa học: Functional aspects of the solution structure and dynamics of PAF – a highly-stable antifungal protein from Penicillium chrysogenum pdf
Ngày tải lên :
29/03/2014, 23:20
... PAF Differences and similarities between the structures of PAF and AFP The common geometrical arrangement of the two proteins is the special Greek key fold, in which the Structure and dynamics of ... Asn12 and Lys17 (region 2) and between Lys34 and Asp39 (PAF) and Lys31 and Asp36 (AFP) (region 3) Two conserved GlyLys motifs are repeated in the structure, the glycines (i.e Gly5 from b1 and Gly20 ... facing with their side chains to the core of the protein In the abcabc disulfide bond topology, the cross-link between the two main sheets is proposed between Cys14 (b2) from sheet and Cys43 (b4)...
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