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 be D . 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...

Ngày tải lên: 23/03/2014, 18:20

... angle 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 ... of SAIL Fig. 3. Secondary structure of At3g16450.1. (A) Ribbon representa- tion of the NMR structure of At3g16450.1. These figures were pre- pared using MO...

Ngày tải lên: 18/02/2014, 14:20

... polarized light, respectively. The bottom panel displays the result of deconvolution of the IR absorption spectrum 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 shown that the central proline of...

Ngày tải lên: 19/02/2014, 16:20

... 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 FeR revealed that the nicotinamide moiety of NADP + faces the re-side of the isoalloxazine ring, and that the 2¢-P-AMP moie...

Ngày tải lên: 07/03/2014, 02:20

... 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 ... inactive and the hormone-activated states of the receptor, respectively [13,14]. It is hypothesized that a hormone-induced rearrangement of the ECD from the h...

Ngày tải lên: 07/03/2014, 03:20

... bound than the M3 in MtSTP. Crystal contacts at the active site The differential occurrence of the metal ions correlates with the conformation of the flap subdomain (132–174) and the ‘binding’ of adjacent ... to the mechanism of the enzyme (see Discussion). Discussion Overall structure The structure of SaSTP is very similar to that of MtSTP, with an rmsd ⁄ C...

Ngày tải lên: 07/03/2014, 09:20

... isoalloxazine ring of FMN and the segment between His151 and Pro153 of the switch loop, whereby the imidazole group of His151 interacts with the bottom of F 420 H 2 and the side chain of Trp152 with ... (Fig. 2A), which Fig. 1. Structures of F 420 H 2 and of FMNH 2 , both viewed from the Si face. The Re and Si faces of the flavin isoalloxazine ring are defined re...

Ngày tải lên: 07/03/2014, 10:20

... 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 ⁄ a 6 ) barrel as expected from our previous native structure [16]. The active site is at the narrower end of...

Ngày tải lên: 07/03/2014, 12:20

... [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 ring and the N4¢ atom of the pyrimidine moiety. A super- position of the cofactors is depicted in Fig. 5 revealing a rema...

Ngày tải lên: 07/03/2014, 12:20

... LPS of most other P. syringae strains studied [23,31]. This suggests a difference in 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...

Ngày tải lên: 08/03/2014, 08:20