structure of the spectrum
THE structure of the multiprogramming system
... in their homing position Each process blocked in the course of task execution relies on the other processes for removal of the barrier Essentially, the proof in question is a demonstration of the ... they are called the P-operation and the V-operation A process, "Q" say, that performs the operation " P (sem)" decreases the value of the semaphore called "sem" by If the resulting value of the ... the value of the semaphore called "sem" by If the resulting value of the semaphore concerned is positive, the V-operation in question has no further effect; if, however, the resulting value of...
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Tài liệu Báo cáo khoa học: Crystal structure of the cambialistic superoxide dismutase from Aeropyrum pernix K1 – insights into the enzyme mechanism and stability pdf
... because the tertiary structure of ApeSOD has not been elucidated In the present study, for the first time, we describe the crystal structure of ApeSOD In particular, we focus on the coordination of the ... NE2 of His31, bound to the metal, in the company of a water oxygen, from the apical positions The manga˚ nese was only 0.06 A out of the equatorial plane (Table 3) The angles around the metal cofactor ... [26] These findings lead to the hypothesis that Fe-bound ApeSOD mimics the product-inhibited form and the shift of Tyr39 suppresses the release of the peroxide product This may be one of the reasons...
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Tài liệu High-level Expert Group on reforming the structure of the EU banking sector docx
... to the intensification of the sovereign debt crisis in the euro area The pricing of risk in the repo market has become more dependent on the geographic origin of both the counterparty and the ... Avenue avoids the problems of having to define ex ante the scope of activity to be separated or prohibited Against the backdrop of the ongoing financial crisis and the fragility of the financial ... entity by the funds of the deposit bank, and hence limit the liability of taxpayer and the deposit insurance system; 3) avoid the excessive allocation of lending from the deposit bank to other financial...
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Tài liệu Báo cáo khoa học: Structure of the putative 32 kDa myrosinase-binding protein from Arabidopsis (At3g16450.1) determined by SAIL-NMR docx
... constraints Solution structure of SAIL At3g16450.1 Assignment of the NOE peaks of At3g16450.1 and the structure determination were accomplished by use of the cyana program [17,18] The structural statistics ... backbone trace of the NMR structure of the C-terminal domain 1JOT), a plant lectin, as the closest structure The root mean square deviation values for the N- and C-terminal ˚ domains versus the agglutinin ... analysis of At3g16450.1 with sugars Fig Three-dimensional NMR structure of At3g16450.1 (A) Superposition of the 20 energy-minimized conformers that represent the 3D solution structure of the N-terminal...
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Tài liệu Báo cáo khoa học: Crystal structure of the catalytic domain of DESC1, a new member of the type II transmembrane serine proteinase family pptx
... to the residue in the midpoint of the respective loop, as shown in Fig To the east of the active site the 37- and 60-loops border the S2¢ pocket of the proteinase The observed differences in the ... that the most similar regions of these proteinases mediate interaction of the two b-barrels, formation of the catalytic machinery and structures required for binding of the main chain of the substrate ... below) The southern boundary of the active site cleft of DESC1 is formed by the 145 autolysis loop The backbone of this loop differs markedly from the other serine proteinases, making the active...
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Tài liệu Báo cáo khoa học: Crystal structure of the BcZBP, a zinc-binding protein from Bacillus cereus doc
... gray indicates the C-terminal part The dimer’s formation is established by the incorporation of the b8-strand of one monomer into a b-sheet of the other monomer The position of the zinc ion is ... and determines the shape of the active site entry (e) The structure of the active site is essentially identical with the active sites of the MshB and LpxC proteins The conservation of catalytically ... rmsd of 1.0 A for the Ca atoms Thus, the movement of the a2 helix accounts for 23% of the rmsd value (i.e for approximately one quarter of the structural difference between the enzymes) These...
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Tài liệu Báo cáo khoa học: Spectroscopic characterization of a higher plant heme oxygenase isoform-1 from Glycine max (soybean) ) coordination structure of the heme complex and catabolism of heme docx
... information on the heme pocket structure As shown in Table 2, the hyperfine splitting constants of the 15N nucleus of the distal NO and of the 14N nucleus of the proximal His of the GmHO-1 complex ... of the heme pocket of GmHO-1 might be associated with the smaller values of Kazide for GmHO-1 and SynHO-1, and with the ferric character of the heme The Kimidazole values of the three kinds of ... unique structure of the opening of the heme pocket of GmHO-1 Such a structure might inhibit the approach of imidazole to the heme in GmHO-1, explaining the smallest Kimidazole value Mechanism of...
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Tài liệu Báo cáo khoa học: Unusual metal specificity and structure of the group I ribozyme fromChlamydomonas reinhardtii23S rRNA pptx
... whereas binding of a minimum of m Mn2+ ions forms the inactive complex The sizes of the active and inactive fractions are the result of competitive metal binding to RNA The values of n and m are ... protected The Cr.LSU pattern is distinct in that the rst three nucleotides of P7, and the 3Â-half of J8 7, are not protected The rst three nucleotides of P7 are part of the G binding site, as are the ... the last three nucleotides (AU XG) of the intron The sizes of the intron (InDGb) and 5Â exon (5E) are indicated The arrow indicates cleavage of the pre-RNA at the 5Â splice site by GMPG* (B, C)...
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Tài liệu Báo cáo khoa học: Proton transfer in the oxidative half-reaction of pentaerythritol tetranitrate reductase Structure of the reduced enzyme-progesterone complex and the roles of residues Tyr186, His181 and His184 pdf
... confirming that the mutation of Tyr186 to Phe186 does not grossly perturb the overall framework of the enzyme or the active site The active sites of the enzymes are shown in stick format with the sigmaA ... bond in close proximity of the N5 atom A putative flipping motion of the progesterone molecule along an axis parallel to the FMN plane aligns the C1-C2 with the 4666 plane of the isoalloxazine ring ... re-oxidation of the flavin and the formation of the hydride-Meisenheimer complex of TNT (C) As for panel B except the spectral changes are recorded over an extended time period and show degradation of the...
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Tài liệu Báo cáo khoa học: Solution structure of the matrix attachment region-binding domain of chicken MeCP2 ppt
... [18] The structure of the helical coil a2/a3 allows us to interpret the consequences of the six mutations As P153(152) and G162(161) are buried in the protein core, replacement of each of these ... cluster in these two regions Knowledge of the structure of a larger portion of MeCP2 including the transcriptional repression domain would resolve these speculations and clarify the role of the helical ... subsequent structure calculations These newly calculated structures were then used for the next step in the iteration process This procedure was continued until the quality of the structure could...
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Tài liệu Báo cáo khoa học: The structure of the carbohydrate backbone of the lipopolysaccharide from Acinetobacter baumannii strain ATCC 19606 docx
... biosynthesis of Escherichia coli Fig The complete chemical structure of the carbohydrate backbone of the LPS from Acinetobacter baumannii strain ATCC 19606 Ó FEBS 2002 [26,27] Then, the biosynthesis ... HPAEC The tetrasaccharide and the trisaccharide were readily identi®ed on the basis of published NMR data [24,25], and the minor compounds were not further investigated The structures of oligosaccharides ... E2, and F1 and E4 The signals of the anomeric carbons in Kdo residues were assigned on the basis of the intraresidual correlations between H-3eq and C-2 The a-con®guration of the Kdo residues...
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Tài liệu Báo cáo Y học: Structure of the O-polysaccharide and classification of Proteus mirabilis strain G1 in Proteus serogroup O3 potx
... 500-MHz 1H NMR spectrum of the O-polysaccharide of P mirabilis G1 Ó FEBS 2002 1410 Z Sidorczyk et al (Eur J Biochem 269) Fig Structures of the O-polysaccharides of the cross-reactive LPS of P mirabilis ... configuration On the basis of the data obtained, it was concluded that the O-polysaccharide P mirabilis G1 has the structure shown in Fig This structure is similar to that of the O-polysaccharide of P mirabilis ... glycosides and the L configuration of lysine by GLC of the acetylated (S)-2-butyl ester The D configuration of GlcA was established by analysis of 13C NMR chemical shift data of the polysaccharide...
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Tài liệu Báo cáo Y học: Solution structure of the mEGF/TGFa44250 chimeric growth factor doc
... mobility with respect to the rest of the structure Further studies of the receptor bound forms of the chimera and other related ligands will be necessary to define the nature of the interactions leading ... Several of these were identified in previous studies of EGF, and the backbone fold of the chimera is clearly similar to those of the EGF structures The presence of a backbone hydrogen bond from the ... structure from each of the previously reported families of structures for mEGF; the results are given in Table The difference between the backbone of the chimera and the EGF structure is no greater...
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Báo cáo khoa học: Flexibility and communication within the structure of the Mycobacterium smegmatis methionyl-tRNA synthetase Henrik Ingvarsson and Torsten Unge potx
... network of hydrogen bonds to the carbonyl oxygen of Pro155, the main-chain amide groups of Ile128 and Arg129 Despite these differences in the coordination of the residues in the tip, the fold of the ... with the class 1a A aeolicus MetRS:tRNAMet and T thermophilus MetRS (apo) structures reveal that the position of the KMSKS loop in our structures is the result of a rotation of 90° around the ... disordered and the MSK lysine residue is not in contact with the adenylate phosphate The structures of the class aaRS enzymes show a small variation in structure of the KMSKS loop and that the loop...
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Báo cáo khoa học: Structure of the atrial natriuretic peptide receptor extracellular domain in the unbound and hormone-bound states by single-particle electron microscopy ppt
... the coordinates of the apoECD tt dimer (Protein Data Bank code: 1DP4) [10] using the program O [25] The tt dimer model for ANP–ECD was similarly constructed on the basis of the structure of the ... consistent with the X-ray structure of ANP–ECD (Fig 2D) Comparison of the 3D reconstructions by EM and the crystal structures In the crystal packing of apoECD, the buried surface areas in the hh and ... represent the physiological structures On the other hand, it has been proposed that the hh dimer and tt dimer structures both occur, and represent the inactive and the hormone-activated states of the...
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Báo cáo khoa học: Solution structure of the catalytic domain of RICH protein from goldfish pot
... 1601 Solution structure of the RICH catalytic domain G Kozlov et al Results Structure of the RICH catalytic domain We determined the structure of the 24 kDa catalytic fragment of goldfish RICH ... (B) Representation of flexibility in the solution structure of the RICH catalytic domain The width of the sausage is reversely proportional to the heteronuclear NOE values The figure was generated ... structures The lowest-energy structure from the RICH NMR ensemble is used for the overlay (D) The surface of the RICH catalytic domain shows several negatively charged patches of residues The catalytic...
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Báo cáo khoa học: Structure of the complex of a yeast glucoamylase with acarbose reveals the presence of a raw starch binding site on the catalytic domain doc
... and discussion Description of the structures There is one molecule in the asymmetric unit of both structures composed of a single domain consisting of 14 helices, 12 of them forming an (a ⁄ a6) ... which confirms that the deviation of torsion angles from ideal geometry of these two residues is an intrinsic feature of the structure In Glu1.1 there is another residue, Ser305 in the generously ... interact with the acarbose sugar +1 causing reorientation of the whole loop The Glu1.1 structure The Glu structure (1AYX) was described in detail previously Superposition of the structures Glu1.1...
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