Glutathione S-transferase from malarial parasites: structural and functional aspects.

abstract：:G-protein-coupled receptors (GPCRs) form a superfamily of membrane proteins that play a crucial role in mediating physiological processes as well as pathogenesis of many critical diseases. They are one of the most successful drug targets, accounting for more than 30% of prescription drugs on the market today. Three-di...

journal_title：Methods in enzymology

authors： Vaidehi N,Pease JE,Horuk R

更新日期：2009-01-01 00:00:00

abstract：:The phenomenon of chemical or conformational exchange in NMR spectroscopy has enabled detailed characterization of time-dependent aspects of biomolecular function, including folding, molecular recognition, allostery, and catalysis, on timescales from microsecond to second. Importantly, NMR methods based on a variety o...

journal_title：Methods in enzymology

authors： Palmer AG 3rd,Koss H

更新日期：2019-01-01 00:00:00

abstract：:EPR long-range distance measurements on spin-labeled macromolecules have recently become a popular tool in structural biology. The method can be used to obtain coarse-grained structures of biomolecules, to track conformational changes and dynamics, to dock macromolecular complexes, or to localize spin centers within m...

journal_title：Methods in enzymology

authors： Hagelueken G,Abdullin D,Schiemann O

更新日期：2015-01-01 00:00:00

abstract：:Human embryonic stem cells (hESCs) are derived from preimplantation embryos. Approximately 60% of human embryos are blocked during in vitro development. Although statistics are inconclusive, experience demonstrates that hESCs are more effectively derived from high-quality embryos. In this way, optimal human embryo cul...

journal_title：Methods in enzymology

authors： Mercader A,Valbuena D,Simón C

更新日期：2006-01-01 00:00:00

abstract：:Although the use of monoclonal antibodies to characterize the Ia antigen system is still in its infancy, the usefulness of this approach is clearly apparent. Since xenogeneic immunization can be used to generate these antibodies, the chances are good that a greater variety of Ia types and determinants will be detected...

journal_title：Methods in enzymology

authors： Zweig SE,Shevach EM

更新日期：1983-01-01 00:00:00

abstract：:Neurofilament biology is important to understanding structural properties of axons, such as establishment of axonal diameter by radial growth. In order to study the function of neurofilaments, a series of genetically modified mice have been generated. Here, we describe a brief history of genetic modifications used to ...

journal_title：Methods in enzymology

authors： Jones MR,Villalón E,Garcia ML

更新日期：2016-01-01 00:00:00

abstract：:Powerful specialized software is essential for managing, quantifying, and ultimately deriving scientific insight from results of a microarray experiment. We have developed a suite of software applications, known as TM4, to support such gene expression studies. The suite consists of open-source tools for data managemen...

journal_title：Methods in enzymology

authors： Saeed AI,Bhagabati NK,Braisted JC,Liang W,Sharov V,Howe EA,Li J,Thiagarajan M,White JA,Quackenbush J

更新日期：2006-01-01 00:00:00

abstract：:In mice with lupus nephritis qualitative changes in anti-DNA antibodies occur, such as IgG switch and increased cationic charge, to render these antibodies pathogenic. Pathogenic anti-DNA idiotypes can be encoded by genes of a normal mouse strain such as SWR, where they remain dormant. When the normal mice are crossed...

journal_title：Methods in enzymology

authors： Datta SK

更新日期：1988-01-01 00:00:00

abstract：:During the past several years, major progress has been accomplished in the production of "designer cellulosomes," artificial enzymatic complexes that were demonstrated to efficiently degrade crystalline cellulose. This progress is part of a global attempt to promote biomass waste solutions and biofuel production. In d...

journal_title：Methods in enzymology

authors： Vazana Y,Moraïs S,Barak Y,Lamed R,Bayer EA

更新日期：2012-01-01 00:00:00

abstract：:The field of therapeutic application of the A₃ adenosine receptor (A₃AR) antagonists represents a rapidly growing and intense area of research in the adenosine field. Even if there are currently no A₃AR antagonists in clinical phases, in light of the plethora of biological effects attributed to A₃ARs, substantial effo...

journal_title：Methods in enzymology

authors： Paoletta S,Federico S,Spalluto G,Moro S

更新日期：2010-01-01 00:00:00

abstract：:Multiple lipid and protein components of the plasma membrane of a living cell are organized, both compositionally and functionally, at different spatial and temporal scales. For instance, Rab protein domains in membranes the clathrin-coated pit, or the immunological synapse are exquisite examples of functional compart...

journal_title：Methods in enzymology

authors： Ghosh S,Saha S,Goswami D,Bilgrami S,Mayor S

更新日期：2012-01-01 00:00:00

abstract：:Epitope tagged alpha 2-AR subtypes have been used to address a variety of cell biological questions, and the strategies used are readily applicable to all GPCR as well as other cell surface proteins. We have provided detailed protocols for successful utilization of the epitope-tagged receptor in the studies of protein...

journal_title：Methods in enzymology

authors： Wozniak M,Saunders C,Schramm N,Keefer JR,Limbird LE

更新日期：2002-01-01 00:00:00

abstract：:We have developed an array-based whole-genome genotyping (WGG) assay (Infinium) using our BeadChip platform that effectively enables unlimited multiplexing and unconstrained single nucleotide polymorphism (SNP) selection. A single tube whole-genome amplification reaction is used to amplify the genome, and loci of inte...

journal_title：Methods in enzymology

authors： Gunderson KL,Steemers FJ,Ren H,Ng P,Zhou L,Tsan C,Chang W,Bullis D,Musmacker J,King C,Lebruska LL,Barker D,Oliphant A,Kuhn KM,Shen R

更新日期：2006-01-01 00:00:00

abstract：:Anomalous small angle X-ray scattering (ASAXS) exploits contrast variation methods to highlight the scattering from one elemental component in a multielement sample, such as one ion species in an ion-DNA system. The ASAXS method has been applied to measure ions condensed around short nucleic acid duplexes. This chapte...

journal_title：Methods in enzymology

authors： Pabit SA,Finkelstein KD,Pollack L

更新日期：2009-01-01 00:00:00

abstract：:Silica biomorphs and silica gardens are canonical examples of precipitation phenomena yielding self-assembled nanocrystalline composite materials with outstanding properties in terms of morphology and texture. Both types of structures form spontaneously in alkaline environments and rely on simple, and essentially simi...

journal_title：Methods in enzymology

authors： Kellermeier M,Glaab F,Melero-García E,García-Ruiz JM

更新日期：2013-01-01 00:00:00

abstract：:Histone variants and posttranslational modifications (PTMs) are essential for epigenetic regulation of transcriptional expression. Single and/or combinatorial PTMs of histones play important roles in development and disease formation. Mass spectrometry (MS) has been a powerful tool to study histone variants and PTMs, ...

journal_title：Methods in enzymology

authors： Lin S,Garcia BA

更新日期：2012-01-01 00:00:00

abstract：:High content, phenotypic screens offer a powerful approach to systems biology at the cellular level. The approach employs cells carrying fluorescently labeled molecules or organelles in 384- or 1536-well microplates, and an automated confocal screening microscope for capturing images from each well. Although some spec...

journal_title：Methods in enzymology

authors： Kepiro M,Varkuti BH,Davis RL

更新日期：2018-01-01 00:00:00

abstract：:The ability to examine gene regulation in living cells has been greatly enabled by the development of chromatin immunoprecipitation (ChIP) methodology. ChIP captures a snapshot of protein-DNA interactions in vivo and has been used to study interactions in bacteria, yeast, and mammalian cell culture. ChIP conditions va...

journal_title：Methods in enzymology

authors： Davis SE,Mooney RA,Kanin EI,Grass J,Landick R,Ansari AZ

更新日期：2011-01-01 00:00:00

abstract：:Protein kinases transfer a phosphoryl group from ATP onto target proteins and play a critical role in signal transduction and other cellular processes. Here, we review the kinase kinetic and chemical mechanisms and their application in understanding kinase structure and function. Aberrant kinase activity has been impl...

journal_title：Methods in enzymology

authors： Wang Z,Cole PA

更新日期：2014-01-01 00:00:00

abstract：:Covalent modification of proteins with ubiquitin plays an important role in a wide array of cellular processes (Hershko and Ciechanover, 1998; Pickart, 2004). For this reason an increasing number of investigators in diverse research fields are confronted with the question whether their favorite proteins are ubiquitina...

journal_title：Methods in enzymology

authors： Kaiser P,Tagwerker C

更新日期：2005-01-01 00:00:00

abstract：:In polarized epithelial cells, the tight junction has been ascribed several functions including the regulation of the paracellular permeability, an impediment to the diffusion of molecules between the apical and basolateral domains, a site of delivery of transport vesicles for basolateral proteins, and a scaffold for ...

journal_title：Methods in enzymology

authors： Luton F

更新日期：2005-01-01 00:00:00

abstract：:The Rcs phosphorelay, consisting of a hybrid sensor kinase, a phosphotransferase, and a response regulator, regulates a large number of bacterial functions. These include capsule production, the target originally defined for these regulators, a small regulatory RNA, and a growing list of additional genes, many of unkn...

journal_title：Methods in enzymology

authors： Majdalani N,Gottesman S

更新日期：2007-01-01 00:00:00

abstract：:Over the last 50 years cytochrome c has been used as a model system for studying electron transfer and protein folding processes. Recently, convincing evidence has been provided that this protein is also involved in other biological processes such as the apoptosis and α-synuclein aggregation. Numerous lines of evidenc...

journal_title：Methods in enzymology

authors： Schweitzer-Stenner R,Hagarman A,Verbaro D,Soffer JB

更新日期：2009-01-01 00:00:00

abstract：:Recurrent aliphatic hydrophobic amino acids which occur in the sequence of a protein or a peptide at positions which form an axial, hydrophobic strip when the sequence is coiled as an alpha helix might stabilize coiling against hydrophobic surfaces. That effect can lead to helix formation against hydrophobic cores of ...

journal_title：Methods in enzymology

authors： Reyes VE,Lew RA,Lu S,Humphreys RE

更新日期：1991-01-01 00:00:00

abstract：:The Duffy blood group antigen is a serpentine protein with seven transmembrane domains that is not coupled to G-proteins or other known intracellular effectors. In addition to erythrocytes, it is also expressed in endothelial cells and neurons. In recent years the Duffy antigen has received much attention because of i...

journal_title：Methods in enzymology

authors： Rot A,Horuk R

更新日期：2009-01-01 00:00:00

abstract：:Pulsed EPR methods for the study of drug binding to heme-thiolate enzymes such as cytochrome P450 and nitric oxide synthase are discussed. HYSCORE and ENDOR methods to measure (1)H of axial ligands of the heme group are described with illustrations of water serving as the axial ligand in the drug-free enzyme and ligan...

journal_title：Methods in enzymology

authors： Cruce AA,Lockart M,Bowman MK

更新日期：2015-01-01 00:00:00

abstract：:We have developed a genetic system, termed IVET (in vivo expression technology), designed to identify bacterial genes that are induced when a pathogen infects its host. A subset of these induced genes should include those that encode virulence factors, products specifically required for the infection process. The syst...

journal_title：Methods in enzymology

authors： Slauch JM,Mahan MJ,Mekalanos JJ

更新日期：1994-01-01 00:00:00

abstract：:The methodologies described in this chapter allow the reproducible preparation of native high-molecular-weight synthetase complexes of leuRL. These complexes have the ability to preferentially utilize extracellular leucine immediately upon transport and are likely the forms of the enzyme most important in the utilizat...

journal_title：Methods in enzymology

authors： Hampel A,Tritz R

更新日期：1988-01-01 00:00:00

abstract：:Histone chaperones-key actors in the dynamic organization of chromatin-interact with the various histone variants to ensure their transfer in and out of chromatin. In vitro chromatin assembly assays and isolation of protein complexes using tagged histone variants provided first clues concerning their binding specifici...

journal_title：Methods in enzymology

authors： Clément C,Vassias I,Ray-Gallet D,Almouzni G

更新日期：2016-01-01 00:00:00

abstract：:In budding yeast and higher eukaryotic genomes, there are, respectively, 50 and up to 400 or more distinct genes that encode for ubiquitin-ligases, and approximately 15-90 genes that encode for ubiquitin isopeptidases (TM and RJD, Semple et al., 2003). This puts ubiquitylation on par with phosphorylation as the most c...

journal_title：Methods in enzymology

authors： Mayor T,Deshaies RJ

更新日期：2005-01-01 00:00:00