Showing 1-30 of 31 results for "M9671"
Yong-Gui Gao et al.
Protein science : a publication of the Protein Society, 16(9), 1878-1886 (2007-09-04)
Among the transcription factors, the helix-turn-helix (HTH) GntR family comprised of FadR, HutC, MocR, YtrA, AraR, and PlmA subfamilies regulates the most varied biological processes. Generally, proteins belonging to this family contain an N-terminal DNA-binding domain and a C-terminal effector-binding/oligomerization...
Fabio Capuano et al.
Physical chemistry chemical physics : PCCP, 13(8), 3319-3327 (2010-12-25)
The mutual diffusion coefficients for two aqueous ternary systems, both containing a protein, human serum albumin (HSA, component 1), were measured. The first system contained a neutral polymer, polyethylene glycol (PEG, component 2), and the second an "organic solvent", 2-methyl-2,4-pentanediol...
Scott Pegan et al.
Biochemistry, 45(28), 8599-8606 (2006-07-13)
Kir2.1 channels play a key role in maintaining the correct resting potential in eukaryotic cells. Recently, specific amino acid mutations in the Kir2.1 inwardly rectifying potassium channel have been found to cause Andersen's Syndrome in humans. Here, we have characterized...
Osamu Hoshi et al.
Archives of histology and cytology, 69(1), 73-78 (2006-04-13)
The present study introduces a method for obtaining three-dimensional images of native (i.e., unfixed) chromosomes by atomic force microscopy (AFM) in a liquid. Human metaphase chromosomes were isolated from a human lymphoblast-like cell line, K562, by the hexylene glycol procedure...
Yongjun Lu et al.
Electrophoresis, 27(8), 1462-1470 (2006-04-13)
The free solution mobilities of curved and normal 199-bp DNA fragments have been measured in buffer solutions containing various quantities of the organic cosolvents methanol, ethanol, 2-propanol, 2-methyl-2,4-pentanediol (MPD), ethylene glycol, and ACN, using CE. The curved fragment, taken from...
Zui Fujimoto et al.
PloS one, 8(2), e56261-e56261 (2013-02-26)
Juvenile hormones (JHs) control a diversity of crucial life events in insects. In Lepidoptera which major agricultural pests belong to, JH signaling is critically controlled by a species-specific high-affinity, low molecular weight JH-binding protein (JHBP) in hemolymph, which transports JH...
Jose Antonio Cuesta-Seijo et al.
Structure (London, England : 1993), 18(9), 1210-1219 (2010-09-10)
Enzymatic reactions involving bilayer lipids occur in an environment with strict physical and topological constraints. The integral membrane enzyme PagP transfers a palmitoyl group from a phospholipid to lipid A in order to assist Escherichia coli in evading host immune...
Catherine Michaux et al.
Journal of molecular biology, 375(5), 1477-1488 (2007-12-18)
Sodium dodecyl sulfate (SDS) is a highly effective and widely used protein denaturant. We show that certain amphipathic cosolvents such as 2-methyl-2,4-pentanediol (MPD) can protect proteins from SDS denaturation, and in several cases can refold proteins from the SDS-denatured state....
Anja Böckmann
Magnetic resonance in chemistry : MRC, 45 Suppl 1, S24-S31 (2007-12-18)
Solid-state NMR spectroscopy provides unique possibilities for the structural investigation of insoluble molecules at the atomic level. Recent efforts aim at solving the complete structures of biological macromolecules using high-resolution magic angle spinning NMR. Structurally homogenous samples of [(13)C,(15)N]-labeled proteins...
Yoshikazu Tanaka et al.
Protein science : a publication of the Protein Society, 20(2), 448-456 (2011-02-01)
Staphylococcal α-hemolysin is expressed as a water-soluble monomeric protein and assembles on membranes to form a heptameric pore structure. The heptameric pore structure of α-hemolysin can be prepared from monomer in vitro only in the presence of deoxycholate detergent micelles...
Ami Matsumoto et al.
Acta crystallographica. Section F, Structural biology and crystallization communications, 69(Pt 3), 332-335 (2013-03-23)
Peptidyl-tRNA is produced from the ribosome as a result of aborted translation. Peptidyl-tRNA hydrolase cleaves the ester bond between the peptide and the tRNA of peptidyl-tRNA molecules, to recycle tRNA for further rounds of protein synthesis. In this study, peptidyl-tRNA...
Elodie Boisselier et al.
BioTechniques, 51(3), 193-194 (2011-09-13)
Glutathione S-transferase (GST) is widely used to prepare and purify GSTtagged fusion proteins. Although GST improves protein solubility, detergents must often be used to achieve protein solubilization from bacterial lysates. However, purification of GST by affinity chromatography cannot be achieved...
Armando G Villaseñor et al.
Acta crystallographica. Section D, Biological crystallography, 68(Pt 8), 893-900 (2012-08-08)
Focused acoustic energy allows accurate and precise liquid transfer on scales from picolitre to microlitre volumes. This technology was applied in protein crystallization, successfully transferring a diverse set of proteins as well as hundreds of precipitant solutions from custom and...
Maciej Podgórski
Dental materials : official publication of the Academy of Dental Materials, 28(4), 398-409 (2011-12-06)
In this study five novel dimethacrylates of different chain lengths having rigid aromatic rings were synthesized and proposed as possible dental monomers for dental resin mixtures. Four monomers were prepared by the reaction of glycidyl methacrylate with dicarboxylic acid esters...
Asha R Johal et al.
Acta crystallographica. Section D, Biological crystallography, 68(Pt 3), 268-276 (2012-02-22)
The human ABO(H) A and B blood group glycosyltransferases GTA and GTB differ by only four amino acids, yet this small dissimilarity is responsible for significant differences in biosynthesis, kinetics and structure. Like other glycosyltransferases, these two enzymes have been...
Sonja Kroschwald et al.
eLife, 4, e06807-e06807 (2015-08-05)
RNA-protein (RNP) granules have been proposed to assemble by forming solid RNA/protein aggregates or through phase separation into a liquid RNA/protein phase. Which model describes RNP granules in living cells is still unclear. In this study, we analyze P bodies...
Mrignayani Kotecha et al.
Magnetic resonance in chemistry : MRC, 45 Suppl 1, S221-S230 (2007-12-25)
The use of a low-power two-pulse phase modulation (TPPM) sequence is proposed for efficient (1)H radio frequency (rf) decoupling in high-resolution (13)C solid-state NMR (SSNMR) under fast MAS conditions. Decoupling efficiency for different low-power decoupling sequences such as continuous-wave (cw)...
Yu Zhu et al.
Molecular pharmaceutics, 12(2), 332-341 (2014-08-26)
Polycations are explored as carriers to deliver therapeutic nucleic acids. Polycations are conventionally pharmacological inert with the sole function of delivering therapeutic cargo. This study reports synthesis of a self-immolative polycation (DSS-BEN) based on a polyamine analogue drug N(1),N(11)-bisethylnorspermine (BENSpm)....
J Xu et al.
Cell death & disease, 6, e1616-e1616 (2015-01-23)
The selenoprotein thioredoxin reductase 1 (TrxR1) has several key roles in cellular redox systems and reductive pathways. Here we discovered that an evolutionarily conserved and surface-exposed tryptophan residue of the enzyme (Trp114) is excessively reactive to oxidation and exerts regulatory...
Umile Gianfranco Spizzirri et al.
Pharmaceutical development and technology, 20(3), 288-296 (2013-12-03)
In this study, pH-responsive hydrogels, synthesized by the coupling reaction of polyacrylic acid and catechin, are proposed as carriers of oxidable drugs toward the GI tract. The presence of polyphenolic moieties in the network gives the polymers properties suitable for...
Catherine Michaux et al.
BMC structural biology, 8, 29-29 (2008-06-05)
Recently, we reported a unique approach to preserve the activity of some proteins in the presence of the denaturing agent, Sodium Dodecyl Sulfate (SDS). This was made possible by addition of the amphipathic solvent 2,4-Methyl-2-PentaneDiol (MPD), used as protecting but...
Huan Shu et al.
Genome biology, 15(4), R62-R62 (2014-04-09)
Histone variants establish structural and functional diversity of chromatin by affecting nucleosome stability and histone-protein interactions. H3.3 is an H3 histone variant that is incorporated into chromatin outside of S-phase in various eukaryotes. In animals, H3.3 is associated with active...
Baokun Tang et al.
Journal of chromatographic science, 53(5), 836-840 (2014-09-18)
Three flavones (quercetin, myricetin and amentoflavone) were extracted from Chamaecyparis obtusa leaves using deep eutectic solvents (DESs) as additives to conventional extractions solvents. Sixteen DESs were synthesized from different salts and hydrogen bond donors. In addition, C. obtusa was extracted...
D Spoerl et al.
Dermatology (Basel, Switzerland), 220(3), 238-242 (2010-02-27)
We report a case of severe contact urticaria with systemic involvement resembling an anaphylactic reaction, following the application of a topical corticosteroid. This was caused by hexylene glycol, an excipient in the formulation. Glycols are widely used in cosmetics, foods...
Pia Wadsten-Hindrichsen et al.
Journal of colloid and interface science, 315(2), 701-713 (2007-07-28)
The aqueous phase behavior of phytantriol (PT) in mixtures of monoolein (MO), distearoylphosphatidylglycerol (DSPG), propylene glycol (PG), polyethylene glycol 400 (PEG 400) and 2-methyl-2,4-pentanediol (MPD) was investigated by visual inspection, polarized light microscopy and small angle X-ray diffraction at room...
Christopher Stanley et al.
Biophysical journal, 91(3), 912-920 (2006-05-23)
The physical forces that underlie the exclusion of solutes from macromolecular surfaces can be probed in a similar way as the measurement of forces between macromolecules in condensed arrays using the osmotic stress technique and x-ray scattering. We report here...
Kuo Ying Huang et al.
Protein science : a publication of the Protein Society, 20(3), 630-639 (2011-03-25)
A new crystal structure of human ubiquitin is reported at 1.8 Å resolution. Compared with the other known crystal structure or the solution NMR structure of monomeric human ubiquitin, this new structure is similar in its overall fold but differs...
A family of nanoporous materials based on an amino acid backbone.
Ramanathan Vaidhyanathan et al.
Angewandte Chemie (International ed. in English), 45(39), 6495-6499 (2006-09-09)
Guillaume Roussel et al.
Current protocols in protein science, Chapter 28, Unit28-Unit28 (2013-04-03)
Currently, the investigation of protein refolding processes involves several time-consuming stages that require large amounts of protein and costly chemicals. Consequently, there is great interest in developing new approaches to the study of protein renaturation that are more technically and...
M Patel et al.
SADJ : journal of the South African Dental Association = tydskrif van die Suid-Afrikaanse Tandheelkundige Vereniging, 65(9), 410-410 (2010-12-25)
Patients receiving radiation therapy due to oral cancer develop complications such as hyposalivation, mucositis, oral infections, dental hypersensitivity and caries. Mouthrinses can alleviate some of these problems. To investigate the in vitro antimicrobial properties and cytotoxicity of an experimental mouthrinse....

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