Báo cáo khoa học: Structure of the exceptionally large nonrepetitive carbohydrate backbone of the lipopolysaccharide of Pectinatus frisingensis strain VTT E-82164 doc

... presented structure and showed, in particular, the conﬁguration of ManNAc to beD.From the combined the data on the structures of the isolated oligosaccharides, the overall structure of the P. frisingensis ... proposed structure of the carbohydrate backbone of P. frisingensis VTT E-82164 LPS.Ó FEBS 2003 P. frisingensis lipopolysaccharide (Eur. J. Biochem. 270) 3039their a-conﬁguration [16], while the ... Characterization of a novel branched tetra-saccharide of 3-deoxy-D-manno-oct-2-ulopyranosonic acid. The structure of the carbohydrate backbone of the lipopolysaccharide from Acinetobacter baumannii strain...

Tài liệu Báo cáo khoa học: Structure of the putative 32 kDa myrosinase-binding protein from Arabidopsis (At3g16450.1) determined by SAIL-NMR docx

... angle constraints.Solution structure of SAIL At3g16450.1Assignment of the NOE peaks of At3g16450.1 and the structure determination were accomplished by use of the cyana program [17,18]. The structural ... of SAILFig. 3. Secondary structure of At3g16450.1. (A) Ribbon representa-tion of the NMR structure of At3g16450.1. These ﬁgures were pre-pared usingMOLMOL [25]. Due to the lack of NOEs, the ... unknown structure. We report here the three-dimensional structure of the At3g16450.1 protein from Arabidopsis, which consists of two tandem repeats. Because the size of the protein is larger than...

Tài liệu Báo cáo khoa học: Structure and membrane interaction of the internal fusion peptide of avian sarcoma leukosis virus pdf

... polarized light, respectively. The bottom panel displays the result of deconvolution of the IR absorptionspectrum of the peptide f or analysis of the sec ondary struc ture. The dominant pe ak at 1655 ... target cells[6,7]. A proline is often found near the centre of many of the viral IFP sequences [1]. Delos et al. [8] have shownthat the central proline of the FP of ASLV subtype Aplays important ... 7.4. The CD spectra of IFP–V13 are similar to those of IFP–F13 under the same conditions. The insets to the panels display the results of the secondary s tructure analysis with the VARSELECprogram.4728...

Báo cáo khoa học: Structure analysis of the ﬂavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the ﬂavin reductase family pdf

... sheet with the b12 of the other monomer, and towards the C-terminus, the subsequent residues, Phe182–Lys186, pass through the a2 vicinity of the other monomer. For the FeR dimer, the N-terminal ... of the structure of NADP+-bound FeRrevealed that the nicotinamide moiety of NADP+faces the re-side of the isoalloxazine ring, and that the 2¢-P-AMP moiety is held in the groove between the ... fulgidusFeR is one of the candidates for the ferric ion-bindingresidue based on the structure of the mercury-boundderivative, although a ferric ion was not found at the site of either the native or...

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

... consistent with the X-ray structure of ANP–ECD (Fig. 2D).Comparison of the 3D reconstructions by EM and the crystal structuresIn the crystal packing of apoECD, the buried surfaceareas in the hh and ... inactive and the hormone-activated states of the receptor, respectively [13,14]. It is hypothesized that ahormone-induced rearrangement of the ECD from the hh to the tt dimer structure brings the juxtamembraneFig. ... supports the notion that the hh dimer structure represents the physi-ological ANP–ECD structure. The crystal structure of ANP–ECD in the hh dimer form (Fig. 1E), when super-imposed on the 3D...

Báo cáo khoa học: Structure of Streptococcus agalactiae serine⁄threonine phosphatase The subdomain conformation is coupled to the binding of a third metal ion pptx

... boundthan the M3 in MtSTP.Crystal contacts at the active site The differential occurrence of the metal ions correlateswith the conformation of the ﬂap subdomain (132–174)and the ‘binding’ of adjacent ... to the mechanism of the enzyme (see Discussion).DiscussionOverall structure The structure of SaSTP is very similar to that of MtSTP, with an rmsd ⁄ Ca of 1.8 A˚overall (Table 1).All the ... andMtSTP, there are other clear differences in the TxSTP structure at the ﬁrst two N-terminal helices, of whichthere are three in TxSTP. The helices are also longer. The major difference within the...

Báo cáo khoa học: Structure of coenzyme F420H2 oxidase (FprA), a di-iron ﬂavoprotein from methanogenic Archaea catalyzing the reduction of O2 to H2O ppt

... isoalloxazine ring of FMN and the segment between His151 and Pro153 of the switchloop, whereby the imidazole group of His151 interactswith the bottom of F420H2and the side chain of Trp152 with ... (Fig. 2A), whichFig. 1. Structures of F420H2and of FMNH2, both viewed from the Si face. The Re and Si faces of the flavin isoalloxazine ring aredefined relative to C5 of the oxidized deazaflavin ... by the rmsd of about 1.5 A˚between the Caatoms of the monomers,and by the analogous arrangements of the two mono-mers (Fig. 2B). Briefly, each (F420H2oxidase) mono-mer is built up of...

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

... accuracy, shows clearly the inﬂuence of cryo-cooling, which is manifested in shrinkage of the mole-cule and lowering the volume of the unit cell. In the structure of the com-plex, two acarbose ... consisting of 14 helices, 12 of them forming an (a ⁄ a6) barrel asexpected from our previous native structure [16]. The active site is at the narrower end of the barrel asmapped by the presence of ... the opposite end of the barrel to the active site has weakerelectron density and the temperature factors of the atoms in this segment are 31 A˚2, 2.35 times above the average B for the structure. ...

Báo cáo khoa học: Structure and mechanism of the ThDP-dependent benzaldehyde lyase from Pseudomonas ﬂuorescens potx

... [25]. The structures of all group members show ThDP in the V-conformation that brings the C2 atom of thiazo-lium in close proximity to the N4¢ atom of the pyrimidine moiety. Moreover, one of the ... between the C2 atom of the thiazolium ringand the N4¢ atom of the pyrimidine moiety. A super-position of the cofactors is depicted in Fig. 5 revealinga remarkable conformational similarity. The ... comparison of the relativeB-factors along the ThDP molecules shows that the Fig. 4. Structure- based sequence alignment of BAL, BFD and PDC all of which are used in organic synthesis. The secondary structure...

Báo cáo khoa học: Structure of the O polysaccharides and serological classiﬁcation of Pseudomonas syringae pv. porri from genomospecies 4 doc

... LPS of most otherP. syringae strains studied [23,31]. This suggests a differencein either the LPS core structure or/and in the mode of the attachment of the OPS to the core. Therefore, strains ... and the similarity of the C2-C6 chemical shifts of the GlcNAc residue to those of nonsubstituted b-GlcNAc[32].These data showed that the major O repeat of the OPShas structure 2:Analysis of ... nonsubstituted b-GlcNAc [32].These data together showed that the major O repeat of the OPS of P. syringae pv. porri NCPPB 3365 has structure 1.Studies of minor series in the NMR spectra of this OPS,including...

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