... position 12 (Table 1) appears to contribute to a4b2 and a7 subtype activity but not a3b2 activity A decrease in a4b2 and a7 subtype activity but not a3b2 activity was observed in the [R12A]GID mutant ... suggest that the diversity of conotoxin primary structures is likely to increase, and this will aid in the elucidation of structureactivity relationships and in the characterization of the nAChR subtypes ... position for activity [42–45] Further point mutations of ImI were performed by Rogers et al ([R11E]ImI, [R7L]ImI and [D5N]ImI) and Lamthanh et al ([R7A]ImI) and the three-dimensional structures...
Ngày tải lên: 19/02/2014, 12:20
... initial structures, and 20 best structures with the lowest energy were selected and analyzed with molmol [48] and procheck-nmr [19] Structure figures were generated by using molmol The structures of ... Essential role of the conformational flexibility of Structure activity relationships of fowlicidin-1 42 43 44 45 46 47 48 helices and on the lipid binding activity of apolipophorin-III J Biol Chem 276, ... NH-Hb and Ha-Hb NOEs Qualitative analysis of short- and medium-range NOEs, 3JHNHa coupling constants, and slowly exchanging amide proton patterns was used to characterize the secondary structure...
Ngày tải lên: 30/03/2014, 11:20
Design, optimization and structure activity relationship study of CD2 derived peptides for immunomodulation
... immunomodulation 14 1.3.1 CD2 structure 15 1.3.2 CD2 ligands and ligand binding sites 16 1.3.3 Properties of CD2-ligand interactions 17 1.3.4 Structural basis for CD2-ligand interactions 18 1.3.5 ... interface β-strands (CC’, C’C’’ and FG loop) The parent peptides were then subjected to truncation and alanine scanning for optimization Finally, the biological activity and secondary structure of ... membrane The crystal structure of rCD2 D1 revealed that nine β strands sandwiched in two β sheets of AGFCC’C’’ and BED with four well-defined hairpin structures of CC’, C’C’’, FG and DE (Figure 1-2...
Ngày tải lên: 04/10/2015, 15:46
Mechanistic studies of anti malarial spiroindolones and synthesis and structure activity relationship studies of an inhibitor of dengue proliferation
... I MECHANISTIC STUDIES OF ANTI-MALARIAL SPIROINDOLONES AND II SYNTHESIS AND STRUCTURE- ACTIVITY RELATIONSHIP STUDIES OF AN INHIBITOR OF DENGUE PROLIFERATION YAP PEILING ... Josephine, Andrea, Wang Gang and the rest of the department for their concern and support in the past year I would definitely miss them after my graduation Lastly, I would like to thank my family and ... proton j 15 Figure 16 Structures of isomers E and Z 15 Figure 17 NMR spectra of imines (b) and (a & c) in DMSO-d6 16 Figure 18 Equilibration of Z and E isomers to a common...
Ngày tải lên: 26/11/2015, 10:48
Tài liệu Báo cáo khoa học: Design, structure and biological activity of b-turn peptides of CD2 protein for inhibition of T-cell adhesion ppt
... of hCD2 and rat CD2 3D structures indicated that Tyr86 and Glu36 side chains overlap in hCD2 and rat CD2 and oriented in the same direction in both the structures To stabilize the b-turn structure ... Human-CD2 and rat-CD2 have high 3D structure similarity Comparison of 3D structures of hCD2 from CD2–CD58 complex [30] and the structure of rat CD2 [36] using DS modeling (Accelrys Inc., Sandiego, ... N- and C-termini A comparison of the b-turn structure of cER with the similar region in the crystal structure of rat and human CD2 was carried out In the rat CD2 crystal structure, the b-turn structure...
Ngày tải lên: 19/02/2014, 13:20
Tài liệu Báo cáo khoa học: Second messenger function and the structure–activity relationship of cyclic adenosine diphosphoribose (cADPR) doc
... investigation in the future Structure activity relationship of cADPR In-depth reviews covering the chemistry and biological activity of many cADPR analogues have been published [16,53–55] and the reader interested ... hypoxanthine) and the diphospho-bridge, as they can be replaced by much simpler ether strands These ether strands mimic the distance between the nucleobase and the diphospho-bridge, but on the other hand ... Ca2+-releasing activity of some southern and northern ribose modified cADPR analogues Fig Ca2+-releasing activity of some cIDPR analogues cIDPR analogues that were cyclized between N1 of inosine and C2...
Ngày tải lên: 20/02/2014, 01:20
Báo cáo khoa học: Structure–cytotoxicity relationships in bovine seminal ribonuclease: new insights from heat and chemical denaturation studies on variants ppt
... Molecular modeling The structures of monomeric and dimeric variants of BS-RNase were calculated from the NMR and X-ray structures deposited at the PDB In particular, the NMR structure of mBS (PDB ... the biological activity of this mutant, and found that it loses almost all of the cytotoxic activity Interestingly, the single R80S substitution is sufficient to reduce the antitumor activity almost ... (15 and 16) and to regions 45–49 and 101–103, which ˚ are less than A from the Arg80 side chain The overlay of the 1H-15N-HSQC spectrum of mBS with those of its G16S ⁄ N17T ⁄ P19A ⁄ S20A mBS and...
Ngày tải lên: 22/03/2014, 17:20
Báo cáo khoa học: Structure–activity relation for synthetic phenoxazone drugs Evidence for a direct correlation between DNA binding and pro-apoptotic activity pdf
... changes in both their anti-tumour activity and DNAbinding properties, providing unambiguous evidence of a marked structure activity relation Materials and methods Drugs and DNA A series of actinomycin ... eqn are shown in Fig The binding of ligands with natural and model nucleic acids results in an increase in Tm and DT of complexes Ó FEBS 2003 Structure activity of synthetic phenoxazone drugs ... that intercalation and external binding of ligand with DNA, characterized by the parameter r (the number of mol of ligand per mol of base pairs), depend on the ratio of DNA and ligand concentrations...
Ngày tải lên: 31/03/2014, 07:20
Báo cáo khoa học: Effects of a tryptophanyl substitution on the structure and antimicrobial activity of C-terminally truncated gaegurin 4 doc
... antimicrobial activity against prokaryotic cells, but very little hemolytic Ó FEBS 2002 Structure activity relationships of GGN4 analogues (Eur J Biochem 269) 4369 Table Antimicrobial activity (a) and ... joined to its N- and C-terminal Ó FEBS 2002 Structure activity relationships of GGN4 analogues (Eur J Biochem 269) 4371 Fig Solution structures of GGN4 analogues Backbone atoms (N, Ca, and C¢) of the ... FEBS 2002 Structure activity relationships of GGN4 analogues (Eur J Biochem 269) 4373 REFERENCES Fig Fluorescence quenching and blue shift Fluorescence emission spectra of NATA (a and b) and D16W-D24)37...
Ngày tải lên: 31/03/2014, 09:20
Báo cáo khoa học " Structure elucidation and antioxidant activity of a novel polysaccharide isolated from Tricholoma matsutake " ppt
... broad The bands in the region of 2923.62 cm−1 were due to C–H stretching vibration, and the bands in the region of 1643.29 cm−1 were due to associated water [20] Two strong absorption bands at 1075.03 ... were derivatized using the method described and analyzed by GC–MS 2.5 UV and infrared (IR) spectra analysis TMP-A was tested in UV from 200 to 600 nm and infrared analysis of the samples was obtained ... As is the absorbance in the presence of the sample and H2 O2 , A0 is the absorbance of the control in the absence of the sample and H2 O2 , and A is the absorbance only in the presence of the...
Ngày tải lên: 28/06/2014, 11:20
Báo cáo lâm nghiệp: "Neuroptera, Raphidioptera and Mecoptera assemblages inhabiting young spruce (Picea abies) forests: dominance structure and seasonal activity patterns" docx
... trees Holuša and Vidlička (2002) observed the peak of its activity in spruce forests of Paskovský les and Loucký les at the end of May in 1998 The delay of its flight activity in highlands, compared ... Albrechtice and Skřipov (18, resp 17 species of Neuroptera) and a slightly lower number was found in the village Podvihov (14 species) The second group includes the localities Kyjovice, Pustá Polom and ... drought and infestation by honey fungus By comparison, other localities are covered with much closer and denser spruce forests as in the surroundings of Skřipov Localities Lesní Albrechtice and Skřipov...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo y học: "Depression and physical activity in a sample of nigerian adolescents: levels, relationships and predictors" pptx
... studies did not examine the relationships between physical activity and depression in a large sample of adolescents from Nigeria, and data on level of depression and physical activity appear to be ... curricula and existing policies The present study explores (1) the prevalence of depression and physical activity levels, (2) the relationship between depression and physical activity and (3) selected ... private and public schools, between younger and older adolescents, and between male and female participants; while Adeniyi et al Child and Adolescent Psychiatry and Mental Health 2011, 5:16 http://www.capmh.com/content/5/1/16...
Ngày tải lên: 13/08/2014, 18:21
Multi target selection and high throughput quantitative structure activity relationship model development
... actual and the predicted pIC50 values of SVR and ChemBench kNN QSAR models trained by pre-2010 inhibitors in predicting the activity of post-2010 DHFR inhibitors and non-inhibitors inside and outside ... actual and the predicted pIC50 values of SVR and ChemBench kNN QSAR models trained by pre-2010 inhibitors in predicting the activity of post-2010 ACE inhibitors and non-inhibitors inside and outside ... actual and the predicted pIC50 values of SVR and ChemBench kNN QSAR models trained by pre-2010 inhibitors in predicting the activity of post-2010 Cox2 inhibitors and non-inhibitors inside and outside...
Ngày tải lên: 09/09/2015, 10:09
Computational methods for structure activity relationship analysis and activity prediction
... Heterogeneous Structure- Activity Relationships and Variable Activity Landscapes Chemistry and Biology 2007, 14, 489–497 [33] Peltason, L.; Bajorath, J SAR Index: Quantifying the Nature of StructureActivity ... biological activity. 4 It enables the systematic comparison of compound structures and their potencies The Nature of SARs The different natures of SARs can be observed in 3D activity landscapes A 3D activity ... compound data sets The structureactivity similarity (SAS) maps37 are one of the earliest graph-based activity landscape representations In SAS maps, pairwise structural and activity similarity is...
Ngày tải lên: 26/11/2015, 09:53
Reading DOs and DONTs activity
... answers is wrong She should: A 26 give two answers just in case B 28 rub it out and leave it blank C 30 forget about it and move on ...
Ngày tải lên: 04/10/2012, 09:39
INFLUENCE OF STREAMSIDE SURFACE AREA ON AQUATIC BIOTA AND BIOFILM ACTIVITY
... a highly repeatable and easy to measure method for estimating biofilm activity (Hanes and Irvine, 1968) Moreover, it is possible to separate a specific microbial activity and quantify it by adding ... artificial wastewater was fish extract 40 g・l-1, NH4Cl g・l-1, and KH2PO4 g・l-1 (TOC, T-N, and T-P are 16, 7.4, and 2.6 g・l-1, respectively), and a feed pump was used for continuous addition at a rate ... and gravels in a gabion, peeling all attached deposits, and fixing the capacities of brick-filled channel to 0.6 l and the gravel-filled channel to l This was filtered with a mm mesh sieve, and...
Ngày tải lên: 05/09/2013, 08:40
International Taxation and Multinational Activity
... American business and the consequent greater ability to relocate productive operations in response to tax incentives See Razin and Slemrod (1990), Giovannini, Hubbard, and Slemrod (1993), and Feldstein, ... technology and its transmission across borders National tax policies affect the costs and returns to R&D performed by multinational firms, and have the potential to influence the location of innovative activity ... economic activity to its tax treatment The lessons provided by such investigations carry valuable implications for a broad range of domestic and international policies, and deepen our understanding...
Ngày tải lên: 05/09/2013, 14:17