b crystal structure of fe l14 pf6 2· c2h5 2o·½ch3cn
Metal Complexes of 4′-Substituted-2,2′:6′,2″-Terpyridines in Supramolecular Chemistry
... 7.4 Crystal structures of [{Ru(L11)}2] [PF6] 2·4 ⁄5 (C2H5) 2O·2CH3CN, 14 [ {Fe( L )}] [PF6] 2·( C2H5) 2O·½CH3CN and [ {Fe( L15)}] [PF6] 2·CH3CN 14 266 7.5 Stereochemical properties of the chiral complex [ {Fe( L ... Crystal data of [{Ru(L11)}2] [PF6] 2·4 ⁄5 (C2H5) 2O·2CH3CN, [ {Fe( L14) }] [PF6] 2·( C2H5) 2O·½CH3CN and 15 [ {Fe( L )}] [PF6] 2·CH3CN 308 Appendix VI: Tables of H NMR spectroscopic data and ES-MS spectra of the ruthenium(II) ... Hz s Singlet d Doublet t Triplet dd Doublet of doublets ddd Doublet of doublets of doublets dt Doublet of triplets td Triplet of doublets m Multiplet br Broad Mass Spectrometry (MS) EI Electron...
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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
... streptozotocin-induced diabetic rats FEBS Journal 276 (2009) 6615–6623 ª 2009 The Authors Journal compilation ª 2009 FEBS 6619 Crystal structure of human ACMSD S Garavaglia et al Table Effect of glycolytic ... catalysis, not only because it contributes to Zn2+ coordination but also because of its direct involvement in substrate binding (Fig 3A ,B) Indeed, as detailed above, Asp291 stabilizes DHAP through ... structural image of an ACMSD in a ligand-bound form, and may be used to assist the structure- based rational design of enzyme inhibitors with potential medical interest Crystal structure of human ACMSD...
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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
... Ó FEBS 2002 Structure of B1 2-dependent glycerol dehydratase (Eur J Biochem 269) 4489 component B, and that the contaminating component B recombined with the b subunit (component A) to form a 2b2 c2 ... by the corrin ring of cobalamin Figure 4B shows the structure around the enzyme-bound cobalamin The cobalamin molecule is bound between the a and b subunits in the so-called Ôbase-onÕ mode ) that ... a substrate, and K+, an essential cofactor, are bound inside the barrel The active site-cavity is covered by the corrin ring of cobalamin that is bound on the interface of the a and b subunits...
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Báo cáo khoa học: Crystal structure of basic 7S globulin, a xyloglucanspecific endo-b-1,4-glucanase inhibitor protein-like protein from soybean lacking inhibitory activity against endo-b-glucanase doc
... Yoshizawa et al Structure of Bg7S, a XEGIP-like protein of soybean Structured digital abstract l Bg7S binds to Bg7S by x-ray crystallography (View interaction) l Bg7S binds to Bg7S by cosedimentation ... compilation ª 2011 FEBS 1945 Structure of Bg7S, a XEGIP-like protein of soybean T Yoshizawa et al Fig Structure of Bg7S from soybean (A) Top and side views of the Bg7S tetramer A, B, C and D molecules ... Discussion Structure of Bg7S from soybean The crystal structure of soybean Bg7S was determined ˚ at 1.9-A resolution The asymmetric unit contained four Bg7S protomers (A, B, C and D molecules), and FEBS...
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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
... conceivable that XEG and OXG-RCBH recognize the backbone of the b- 1,4-glucan in a similar manner, despite their differences in substrate specificity and mode of hydrolysis Two notable differences, ... tetrasaccharide backbone (XXXG) For many years, endo -b- 1,4-glucanases have been considered to be a subgroup of cellulases (EC 3.2.1.4) Recently, however, it has been clarified that some endo -b- 1,4glucanases ... primarily attributable to the active site cleft being open at both ends In the case of Xgh74A, the active cleft is open Although a precise analysis of the mode of action of Xgh74A has not been performed,...
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Báo cáo khoa học: Crystal structure of a cold-adapted class C b-lactamase potx
... 2008 FEBS C Michaux et al be partly responsible for the larger flexibility of the cold b- lactamase and for its ability to hydrolyze large substrates Both psychrophilic b- lactamases have fewer ... class C b- lactamase C Michaux et al ˚ b = 69.7, c = 53.9 A, and b = 90.9° The crystal structure of the enzyme was determined by the molecular replacement method, based on the structure of the ... characterized by a decreased number of hydrogen bonds, possibly rendering the structure more flexible To confirm this tendency, higher-resolution structures would be necessary to improve the accuracy of those...
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Crystal structure of arabidopsis thaliana cyclophilin 38 (atcyp38 2
... mg ml-1, probably due to its lower solubility 86 A few large crystals were picked-up, washed thoroughly in the crystallization buffer, dissolved in water and subjected to MALDI-TOF mass spectrometric ... Cytochrome b5 62 is about 10% identical and aligns with an R.M.S.D of 1.73 for 83 residues, Fig 32 A B Figure 32 Structure overlap for the helical bundle of AtCyP38 with (A) PsbQ and (B) cytochrome b5 62 ... This is probably of great significance in its interaction with other proteins A B Helical bundle β-barrel Helical bundle C Helical bundle Active site Figure 36 Surface charge features (blue for...
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Structural basis of protein stability at poly extreme crystal structure of amya at 1 6 a resolution 2
... one type of substrate, being glucose residues linked through an α–1,1, 1,4, or 1,6 glycosidic bond The members of this family share a number of common characteristics but at least 21 different ... that salt bridges can be stabilizing or destabilizing Due to systemic protein flexibility, reflected in small-scale side-chain and backbone atom motions, salt bridges and their stabilities fluctuate ... glucosyltransferase activity is present only in 45 Figure 2.7 Comparison of the domain B structure of AmyA (green) with that of oligo-1,6-glucosidase (PDB entry 1UOK, blue) and isomaltulose synthase (PDB...
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Tài liệu Báo cáo khoa học: Crystal structure of an ascomycete fungal laccase from Thielavia arenaria – common structural features of asco-laccases ppt
... increased, but the inhibitory effect of hydroxide also increases A typical feature of basidiomycete laccases is FEBS Journal 278 (2011) 2283–2295 ª 2011 The Authors Journal compilation ª 2011 FEBS 2289 ... determined by the nature and position of substituents on the phenolic ring of the substrate Second, the redox potential (E°) of the substrate must be low enough, as the rate of the reaction has been ... Journal compilation ª 2011 FEBS 2285 Crystal structure of a Thielavia arenaria laccase J P Kallio et al thermostability of the enzyme [34] On the basis of the sequence of TaLcc1, there are eight...
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Tài liệu Báo cáo khoa học: Crystal structure of importin-a bound to a peptide bearing the nuclear localisation signal from chloride intracellular channel protein 4 ppt
... NLS binding J Biol Chem 275, 21218–21223 Kobe B (1999) Autoinhibition by an internal nuclear localization signal revealed by the crystal structure of mammalian importin alpha Nat Struct Biol ... confirmed by strong, unambiguous density in the F clic4nls ÀF apo o o Crystal structure of importin-a:CLIC4 NLS peptide difference map We note that a structure of the phospholipid scramblase NLS bound ... signals by karyopherin alpha Structure 8, 329–338 22 Fontes MR, Teh T, Jans D, Brinkworth RI & Kobe B (2003) Structural basis for the specificity of bipartite nuclear localization sequence binding by...
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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
... oligomeric structure of SOD enzymes We observed five-coordinate and six-coordinate structures of metal ions in Mn-bound and Fe- bound ApeSOD crystal structures, respectively In the sixcoordinated Fe- bound ... Pro a 600 FEBS Journal 278 (2011) 598–609 ª 2010 The Authors Journal compilation ª 2010 FEBS T Nakamura et al Crystal structure of SOD from A pernix K1 A B 90° Fig Crystal structure of ApeSOD ... Monomer structures of apo (green), Mn-bound (magenta) and Fe- bound (cyan) ApeSODs are superimposed and shown as a stereo view The metal cofactor of the Mn-bound form is indicated by a ball (B) Tetramer...
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Tài liệu Báo cáo khoa học: Crystal structure of Klebsiella sp. ASR1 phytase suggests substrate binding to a preformed active site that meets the requirements of a plant rhizosphere enzyme doc
... Content of the asymmetric unit Number of nonhydrogen atoms Number of protein molecules Number of water molecules Number of glycerol molecules Number of sodium ions Number of magnesium ions Number of ... domain FEBS Journal 277 (2010) 1284–1296 ª 2010 The Authors Journal compilation ª 2010 FEBS 1285 Crystal structure of Klebsiella phytase PhyK A K Bohm et al ¨ B Fig Crystal structure of Klebsiella ... N-terminus of a helix L The orientation of this helix allows substrate binding by hydrogen bond formation, and its dipole facilitates substrate binding as well The hydrogen bond between the backbone...
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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
... Max-Planck-Insitute of Biochemistry Journal compilation ª 2007 FEBS 2149 Crystal structure of the catalytic domain of DESC1 O J P Kyrieleis et al Fig Stereo ribbon representation of DESC1 in complex with benzamidine ... region of known TTSP structures Whereas in the stem regions of FEBS Journal 274 (2007) 2148–2160 ª 2007 Max-Planck-Insitute of Biochemistry Journal compilation ª 2007 FEBS 2155 Crystal structure of ... interaction of the two b- barrels, formation of the catalytic machinery and structures required for binding of the main chain of the substrate peptide and proper positioning of the scissile bond with...
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Tài liệu Báo cáo khoa học: Crystal structure of the BcZBP, a zinc-binding protein from Bacillus cereus doc
... is manifested by the presence of systematic differences between the crystallographic temperature factors of the Fig Assembly of the BcZBP hexamer (A, B) Side and (C) top views of the BcZBP hexamer ... Authors Journal compilation ª 2007 FEBS 3045 Crystal structure of BcZBP from B cereus V E Fadouloglou et al A B Fig Structure of the BcZBP dimer (A) Topology diagram of the dimer drawn with the program ... likely Crystal structure of BcZBP from B cereus Based on the above common features, we suggest that the catalytic mechanism of BcZBP is probably similar to those proposed for MshB and LpxC This...
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Tài liệu Báo cáo khoa học: ˚ The 1.8 A crystal structure of a proteinase K-like enzyme from a psychrotroph Serratia species docx
... residue, probably resulting from different scaffolds of the inhibitors Structures of PRK with inhibitors or sub- Fig Stereo plot illustrating inhibitor binding in subtilases The binding loop of chymotrypsin ... deletion of one residue Calcium binding site Binding of calcium ions in subtilases has been shown to be essential for correct folding and stability [15] A total of four calcium binding sites have been ... the bottom of the S1 pocket This bridge can be considered to be involved in the stabilization of the region which is stabilized by calcium (Ca3) in PRK (residues 200 and 175–177) Both disulfide bridges...
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Tài liệu Báo cáo khoa học: Crystal structure of a subtilisin-like serine proteinase from a psychrotrophic Vibrio species reveals structural aspects of cold adaptation docx
... conservation of charged residues is comparable with the overall homology of these structures, being in the range of 30–40% Table Comparison of structural features of 1SH7, 1IC6 and 1THM 1SH7 Number of ... adaptation ase structure, the first structure of a cold-adapted subtilase to be determined, enables a more focused examination of plausible determinants of different temperature adaptation among subtilases ... chain hydrogen bonds was found to be lowest in the mesophilic structure, 1IC6 Calcium-binding sites The presence of bound calcium ions is a feature shared by members of the subtilisin superfamily,...
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Tài liệu Báo cáo khoa học: Crystal structure of Trypanosoma cruzi glyceraldehyde-3-phosphate dehydrogenase complexed with an analogue of 1,3-bisphospho-D-glyceric acid Selective inhibition by structure-based design docx
... interaction of the 1,3BPGA analogues at both Ps and Pi phosphate-binding sites Comparison of the inhibition of T cruzi and T brucei gGAPDHs Inhibition Table summarizes the inhibitory effects (IC50) of ... Inhibition and site-directed mutagenesis of T brucei gGAPDH In the absence of a 3D structure of a complex of T brucei gGAPDH with an analogue of 1,3-BPGA, we chose to investigate the enzyme–inhibitor ... substrate 1,3-BPGA We report here the refined crystal structure of a complex between the T cruzi gGAPDH and this substrate isosteric analogue On the basis of this crystal structure, we were able...
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Tài liệu Báo cáo khoa học: Crystal structure of thiamindiphosphate-dependent indolepyruvate decarboxylase from Enterobacter cloacae, an enzyme involved in the biosynthesis of the plant hormone indole-3-acetic acid doc
... indolepyruvate decarboxylase (Eur J Biochem 270) 2317 Fig Quaternary structure of IPDC Upper panel: stereo view of the quaternary structure of IPDC from Enterobacter cloacae The four subunits of the tetramer ... the absence of substrate or other activators The structure of IPDC supports the conclusion that the substrate activation observed in most PDC species may be linked to the packing of the subunits ... structural basis of substrate activation in yeast pyruvate decarboxylase: a crystallographic and kinetic study Eur J Biochem 267, 861–868 30 Schellenberger, A (1967) Structure and mechanism of action of...
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Báo cáo khoa học: Crystal structure of salt-tolerant glutaminase from Micrococcus luteus K-3 in the presence and absence of its product L-glutamate and its activator Tris pdf
... those of Bacillus glutaminase Figure shows a comparison of Table Displacement of the backbone atoms of Mglu and Bacillus glutaminase induced by ligand binding Displacement values for backbone ... The structure of glutaminase from B subtilis (YbgJ, Bacillus glutaminase) with covalently bound 5-oxol-norleucine (PDB 3brm) reveals its Ser74 to be the catalytic nucleophile [5] On the basis of ... [protein data bank (PDB) 3if5] [10], and glutaminases from E coli (PDB 1u60) [5], B subtilis (PDB 1mki, 3brm, 2osu) [5], Geobacillus kaustophilus (PDB 2pby) and human kidney (PDB 3czd) have been determined...
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Báo cáo khoa học: The crystal structure of NlpI A prokaryotic tetratricopeptide repeat protein with a globular fold potx
... only structures of FEBS Journal 272 (2005) 166–179 ª 2004 FEBS Crystal structure of NlpI natural TPRs in the PDB (13 TPR-containing coordinate sets) consist of nonglobular, extended arrays of helices ... of NlpI These constitute the most distant interactions between elements of primary FEBS Journal 272 (2005) 166–179 ª 2004 FEBS structure, and include a hydrogen bond between the backbone carbonyl ... National Laboratory, is supported by the FEBS Journal 272 (2005) 166–179 ª 2004 FEBS Crystal structure of NlpI US Department of Energy, Division of Materials Sciences and Division of Chemical...
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