Salt effects on nucleic acids.

abstract：:As the fundamental packing units of DNA in eukaryotes, nucleosomes play a central role in governing DNA accessibility in a variety of cellular processes. Our understanding of the mechanisms underlying this complex regulation has been aided by unique structural and dynamic perspectives offered by single molecule techni...

journal_title：Current opinion in structural biology

authors： Killian JL,Li M,Sheinin MY,Wang MD

更新日期：2012-02-01 00:00:00

abstract：:Intermediate filaments are built from one to several members of a multigene family encoding fibrous proteins that share a highly conserved hierarchic assembly plan for the formation of multistranded filaments from distinctly structured extended coiled coils. Despite the rather low primary sequence identity, intermedia...

journal_title：Current opinion in structural biology

authors： Herrmann H,Aebi U

更新日期：1998-04-01 00:00:00

abstract：:Protein allostery is a vitally important protein function that has proven to be a vexing problem to understand at the molecular level. Allosteric communication is a hallmark of many protein functions. However, despite more than four decades of study the details regarding allosteric communication in protein systems are...

journal_title：Current opinion in structural biology

authors： Herde ZD,Short AE,Kay VE,Huang BD,Realff MJ,Wilson CJ

更新日期：2020-08-01 00:00:00

abstract：:Multivalent molecules with a precise array of recognition elements that interact with specific cell types are important for characterizing the topology of molecules on a cell surface. Applications ranging from the control of cellular signaling to drug delivery and tissue imaging rely on these surface-mapping molecules...

journal_title：Current opinion in structural biology

authors： Lee Y,Sampson NS

更新日期：2006-08-01 00:00:00

abstract：:A coherent view of the structure and function of DNA polymerase processivity factors (sliding clamps and clamp loaders) is emerging from recent structural studies. Crystal structures of sliding clamps from the T4 and RB69 bacteriophages, and from an archaebacterium expand the gallery of ring-shaped processivity factor...

journal_title：Current opinion in structural biology

authors： Jeruzalmi D,O'Donnell M,Kuriyan J

更新日期：2002-04-01 00:00:00

abstract：:This review focuses on recent structural insights into regulation and nucleic acid binding of Superfamily 2 (SF2)-type helicases as they relate to chromatin remodelers. We review structural features of the Chd1 chromatin remodeler regarding regulation of the ATPase motor, and discuss related strategies observed for ot...

journal_title：Current opinion in structural biology

authors： Hauk G,Bowman GD

更新日期：2011-12-01 00:00:00

abstract：:Membranes are sites of intense signaling activity within the cell, serving as dynamic scaffolds for the recruitment of signaling molecules and their substrates. The specific and reversible localization of these signaling molecules to membranes is critical for the appropriate activation of downstream signaling pathways...

journal_title：Current opinion in structural biology

authors： Leonard TA,Hurley JH

更新日期：2011-12-01 00:00:00

abstract：:Fundamental biological processes are driven by diverse molecular machineries. In recent years, single-molecule fluorescence spectroscopy has matured as a unique tool in biology to study how structural dynamics of molecular complexes drive various biochemical reactions. In this review, we highlight underlying developme...

journal_title：Current opinion in structural biology

authors： Choi J,Grosely R,Puglisi EV,Puglisi JD

更新日期：2019-10-01 00:00:00

abstract：:Translation initiation in eukaryotes is a complex multistep process that requires the interplay of over a dozen protein factors together with the small ribosomal subunit (SSU) and the mRNA. During all these steps, the SSU serves as a platform for attachment, displacement and release of different molecules. In recent y...

journal_title：Current opinion in structural biology

authors： Guca E,Hashem Y

更新日期：2018-12-01 00:00:00

abstract：:Improved rational drug design methods are needed to lower the cost and increase the success rate of drug discovery and development. Alchemical binding free energy calculations, one potential tool for rational design, have progressed rapidly over the past decade, but still fall short of providing robust tools for pharm...

journal_title：Current opinion in structural biology

authors： Chodera JD,Mobley DL,Shirts MR,Dixon RW,Branson K,Pande VS

更新日期：2011-04-01 00:00:00

abstract：:RNA helicases are a large group of enzymes that function in virtually all aspects of RNA metabolism. Although RNA helicases share a highly conserved structure, different enzymes display a wide array of biochemical activities, including RNA duplex unwinding, protein displacement from RNA and strand annealing. Recent st...

journal_title：Current opinion in structural biology

authors： Jankowsky E,Fairman ME

更新日期：2007-06-01 00:00:00

abstract：:Specialized metabolic enzymes and metabolite diversity evolve through a variety of mechanisms including promiscuity, changes in substrate specificity, modifications of gene expression and gene duplication. For example, gene duplication and substrate binding site changes led to the evolution of the glucosinolate biosyn...

journal_title：Current opinion in structural biology

authors： Leong BJ,Last RL

更新日期：2017-12-01 00:00:00

abstract：:The past twelve months have seen a renewal of interest in the therapeutic potential of members of the tumour necrosis factor receptor family and their cytokine ligands. This biomedical interest has spawned a number of structural studies, which have significantly deepened our understanding of the molecular basis for th...

journal_title：Current opinion in structural biology

authors： Jones EY

更新日期：2000-12-01 00:00:00

abstract：:Prediction and modeling of RNA structures has become an indispensable tool of biological research disciplines. Currently, reliable predictions require massive input of experimental data. Structure-forming elements are conventional base pairs, as well as a rapidly increasing repertoire of novel structural motifs. New d...

journal_title：Current opinion in structural biology

authors： Schuster P,Stadler PF,Renner A

更新日期：1997-04-01 00:00:00

abstract：:Arf GTPases are major regulators of membrane traffic and organelle structure in eukaryotes where they recruit many different effectors, including components of vesicular coats, proteins that tether membranes, sort lipids or have diverse other functions in vesicular traffic, and bacterial proteins that divert Arf funct...

journal_title：Current opinion in structural biology

authors： Cherfils J

更新日期：2014-12-01 00:00:00

abstract：:Over 5000 halogenated natural products have been reported so far, many of these arising from the marine environment. The introduction of a halogen into a molecule can significantly impact its bioavailability and bioactivity. More recently enzymatic halogenation has been used to enable late stage functionalisation thro...

journal_title：Current opinion in structural biology

authors： Ludewig H,Molyneux S,Ferrinho S,Guo K,Lynch R,Gkotsi DS,Goss RJ

更新日期：2020-12-01 00:00:00

abstract：:The base pair stack within double helical DNA provides an effective medium for charge transport. The DNA pi-stack mediates oxidative DNA damage over long molecular distances in a reaction that is exquisitely sensitive to the sequence-dependent conformation and dynamics of DNA. A mixture of tunneling and hopping mechan...

journal_title：Current opinion in structural biology

authors： Boon EM,Barton JK

更新日期：2002-06-01 00:00:00

abstract：:Biological macromolecules have evolved over billions of years to function inside cells, so it is not surprising that researchers studying the properties of such molecules, either in extracts or in purified form, take care to control factors that reflect the intracellular environment, such as pH, ionic strength and com...

journal_title：Current opinion in structural biology

authors： Ellis RJ

更新日期：2001-02-01 00:00:00

abstract：:While there have been impressive advances in understanding protein folding over the past few decades, we are still far from the goal of solving the protein folding problem: predicting the folding pathway and final structure entirely from the amino acid sequence. One reason for this shortcoming may be the lack of under...

journal_title：Current opinion in structural biology

authors： Lapidus LJ

更新日期：2013-02-01 00:00:00

abstract：:Conformational dynamics is a hallmark of diverse non-coding RNA functions. During these functional processes, RNA molecules almost ubiquitously undergo conformational transitions that are tuned to meet distinct structural and kinetic requirements for proper function. A complete mechanistic understanding of RNA functio...

journal_title：Current opinion in structural biology

authors： Zhao B,Zhang Q

更新日期：2015-02-01 00:00:00

abstract：:Recent advances in algorithmic techniques and statistics of sequence alignment have helped to make near-optimal alignments an important tool in the delineation of biologically valid alignments. Near-optimal alignments serve to judge the reliability of portions of a sequence alignment. The statistical assessment of sub...

journal_title：Current opinion in structural biology

authors： Vingron M

更新日期：1996-06-01 00:00:00

abstract：:Recent advances in neutron and X-ray sources and instrumentation, new and improved scattering techniques, and molecular biology techniques, which have permitted facile preparation of samples, have each led to new opportunities in using small-angle scattering to study the conformations and interactions of biological ma...

journal_title：Current opinion in structural biology

authors： Trewhella J

更新日期：1997-10-01 00:00:00

abstract：:The molecular bases of thermal and cold stability and adaptation, which allow proteins to remain folded and functional in the temperature ranges in which their host organisms live and grow, are still only partially elucidated. Indeed, both experimental and computational studies fail to yield a fully precise and global...

journal_title：Current opinion in structural biology

authors： Pucci F,Rooman M

更新日期：2017-02-01 00:00:00

abstract：:For various reasons, it seems sensible to redesign or design proteins from the inside out. Past approaches in this field have involved iterations of mutagenesis and characterisation to 'evolve' designs. Increasingly, combinatorial approaches are being taken to select 'fit' sequences from libraries of variant proteins....

journal_title：Current opinion in structural biology

authors： Woolfson DN

更新日期：2001-08-01 00:00:00

abstract：:Cells are equipped with cosolvents that modulate protein folding and aggregation to withstand water stress. The effect of cosolvents on the aggregation rates depends on whether the polypeptide sequence is an intrinsically disordered protein (IDP) or can fold into a specific native structure. Cosolvents, which act as d...

journal_title：Current opinion in structural biology

authors： Reddy G,Muttathukattil AN,Mondal B

更新日期：2020-02-01 00:00:00

abstract：:Recent collection of high-resolution crystal structures of the 70S ribosome with mRNA and tRNA substrates enhances our knowledge of protein synthesis principles. A novel network of interactions between the ribosome in the elongation state and mRNA downstream from the A codon suggests that mRNA is stabilized and aligne...

journal_title：Current opinion in structural biology

authors： Demeshkina N,Jenner L,Yusupova G,Yusupov M

更新日期：2010-06-01 00:00:00

abstract：:Helical filaments were the first structures to be reconstructed in three dimensions from electron microscopic images, and continue to be extensively studied due to the large number of such helical polymers found in biology. In principle, a single image of a helical polymer provides all of the different projections nee...

journal_title：Current opinion in structural biology

authors： Egelman EH

更新日期：2007-10-01 00:00:00

abstract：:Centrioles are microtubule-based structures in eukaryotic cells. From organizing the microtubule cytoskeleton during interphase to focusing the mitotic spindle during mitosis, centrioles are busy at all stages of the cell cycle. One crucial interphase function of centrioles is to assemble cilia, microtubular projectio...

journal_title：Current opinion in structural biology

authors： Kumar D,Reiter J

更新日期：2020-11-04 00:00:00

abstract：:Photolyases repair cytotoxic and mutagenic UV-induced photolesions in DNA by using an amazing light-dependent repair mechanism. It involves light absorption, electron transfer from an excited reduced and deprotonated FADH(-) to the flipped-out photolesion, followed by the fragmentation of the photolesions. Cryptochrom...

journal_title：Current opinion in structural biology

authors： Müller M,Carell T

更新日期：2009-06-01 00:00:00

abstract：:Solid-state NMR (ssNMR) offers insight into the formation of protein complexes and ligand binding for a large range of molecular sizes and binding affinities. Recent instrumental and methodological progress has enabled novel possibilities for using multi-dimensional ssNMR to study molecular 3D structures and interacti...

journal_title：Current opinion in structural biology

authors： Baldus M

更新日期：2006-10-01 00:00:00