Molecular dynamics simulations of nucleic acid-protein complexes.

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：:Hydrogen-deuterium exchange (HDX) mass spectrometry (MS) can provide information about proteins that can be challenging to obtain by other means. Structure/function relationships, binding interactions, and the effects of modification have all been measured with HDX MS for a diverse and growing array of signaling prote...

journal_title：Current opinion in structural biology

authors： Harrison RA,Engen JR

更新日期：2016-12-01 00:00:00

abstract：:Complementary developments in comparative genomics, protein structure determination and in-depth comparison of protein sequences and structures have provided a better understanding of the prevailing trends in the emergence and diversification of protein domains. The investigation of deep relationships among different ...

journal_title：Current opinion in structural biology

authors： Aravind L,Mazumder R,Vasudevan S,Koonin EV

更新日期：2002-06-01 00:00:00

abstract：:Emerging data suggest that the mechanisms by which RNA-binding proteins (RBPs) interact with RNA and the rules governing specificity might be substantially more complex than those underlying their DNA-binding counterparts. Even our knowledge of what constitutes the RNA-bound proteome is contentious; recent studies sug...

journal_title：Current opinion in structural biology

authors： Helder S,Blythe AJ,Bond CS,Mackay JP

更新日期：2016-06-01 00:00:00

abstract：:Understanding the structural rules that govern specific, high-affinity binding characteristic of aptamer-protein interactions is important in view of the increasing use of aptamers across many applications. From the modest number of 16 aptamer-protein structures currently available, trends are emerging. The flexible p...

journal_title：Current opinion in structural biology

authors： Gelinas AD,Davies DR,Janjic N

更新日期：2016-02-01 00:00:00

abstract：:PUF proteins are RNA-binding proteins named for founding members PUMILIO and fem-3 binding factor (FBF). Together these proteins represent the range of known RNA recognition properties. PUMILIO is a prototypical PUF protein whose RNA sequence specificity is simple, elegant, and predictable. FBF displays differences in...

journal_title：Current opinion in structural biology

authors： Lu G,Dolgner SJ,Hall TM

更新日期：2009-02-01 00:00:00

abstract：:The modulation of enzyme function is a key regulatory feature of biological systems. The ability to engineer synthetic enzymes that can be controlled by any arbitrary signal would enable a wide array of sensing applications and therapeutics and provide us with powerful tools for the basic study of biology. Here severa...

journal_title：Current opinion in structural biology

authors： Ostermeier M

更新日期：2009-08-01 00:00:00

abstract：:The past decade has seen a revolution in our ability to engineer designer enzymes using genetic tools that mimic evolution on a laboratory timescale. Many excellent examples of directed evolution applied to a wide range of enzymes have clearly demonstrated its future role in adapting enzymes for use in the chemical in...

journal_title：Current opinion in structural biology

authors： Dalby PA

更新日期：2003-08-01 00:00:00

abstract：:Cyanobacteriochrome photoreceptors are linear tetrapyrrole-binding photoreceptors that are distantly related to the canonical phytochrome photoreceptors. The chromophore-binding region of the cyanobacteriochromes consists of only a cGMP-phosphodiesterase/adenylate cyclase/FhlA (GAF) domain, while that of the phytochro...

journal_title：Current opinion in structural biology

authors： Fushimi K,Narikawa R

更新日期：2019-08-01 00:00:00

abstract：:Protein-RNA interactions play essential roles in gene regulation and RNA metabolism. While high-resolution structures have revealed principles of RNA recognition by individual RNA binding domains (RBDs), the presence of multiple RBDs in many eukaryotic proteins suggests additional modes of RNA recognition by combinati...

journal_title：Current opinion in structural biology

authors： Mackereth CD,Sattler M

更新日期：2012-06-01 00:00:00

abstract：:Transmembrane helix-helix interactions mediate the folding and assembly of membrane proteins. Recognition motifs range from GxxxG and leucine zippers to polar side chains and salt bridges. Some canonical membrane proteins contain local charge clusters that are important for folding and function, and which have to be c...

journal_title：Current opinion in structural biology

authors： Walther TH,Ulrich AS

更新日期：2014-08-01 00:00:00

abstract：:All domains of life make carbohydrate polymers and by anchoring them to lipid molecules they can decorate the outside of the cell. Polysaccharides are linked to proteins by glycosylation, a process found in both bacteria and in higher organisms. Bacteria do have other distinct uses for carbohydrate polymers; in gram-n...

journal_title：Current opinion in structural biology

authors： Woodward L,Naismith JH

更新日期：2016-10-01 00:00:00

abstract：:Small-angle X-ray scattering (SAXS) has emerged as an enabling integrative technique for comprehensive analyses of macromolecular structures and interactions in solution. Over the past two decades, SAXS has become a mainstay of the structural biologist's toolbox, supplying multiplexed measurements of molecular shape a...

journal_title：Current opinion in structural biology

authors： Brosey CA,Tainer JA

更新日期：2019-10-01 00:00:00

abstract：:The bacterial cell wall is a complex polymeric structure with essential roles in defence, survival and pathogenesis. Common to both Gram-positive and Gram-negative bacteria is the mesh-like peptidoglycan sacculus that surrounds the outer leaflet of the cytoplasmic membrane. Recent crystallographic studies of enzymes t...

journal_title：Current opinion in structural biology

authors： Caveney NA,Li FK,Strynadka NC

更新日期：2018-12-01 00:00:00

abstract：:Many proteins are composed of protein domains, functional units of common descent. Multidomain forms are common in all eukaryotes making up more than half of the proteome and the evolution of novel domain architecture has been accelerated in metazoans. It is also becoming increasingly clear that alternative splicing i...

journal_title：Current opinion in structural biology

authors： Light S,Elofsson A

更新日期：2013-06-01 00:00:00

abstract：:Neutron diffraction provides different information from X-ray diffraction, because neutrons are scattered by atomic nuclei, whereas X-rays are scattered by electrons. One of the key advantages of neutron crystallography is the ability to visualize hydrogen and deuterium atoms, making it possible to observe the protona...

journal_title：Current opinion in structural biology

authors： Nakamura A,Ishida T,Samejima M,Igarashi K

更新日期：2016-10-01 00:00:00

abstract：:Lipidic mesophases have been used to produce diffraction-quality crystals of several membrane proteins. The mechanism by which the method works is a mystery. The thrust is to continue to use it whilst deciphering the underlying mechanism and solving the second 'phase problem' in membrane protein crystallography. The m...

journal_title：Current opinion in structural biology

authors： Caffrey M

更新日期：2000-08-01 00:00:00

abstract：:The small multidrug resistance proteins constitute a family of bacterial antiporters that confer multidrug resistance by H(+)-linked drug efflux across the bacterial cytoplasmic membrane. The structure of EmrE, the family archetype, has been determined by electron crystallography and shows that EmrE in the membrane is...

journal_title：Current opinion in structural biology

authors： Tate CG

更新日期：2006-08-01 00:00:00

abstract：:This review focuses on pharmacophore approaches in researching protein interfaces that bind protein ligands. Pharmacophore descriptions of binding interfaces that employ molecular dynamics simulation can account for effects of solvation and conformational flexibility. In addition, these calculations provide an approxi...

journal_title：Current opinion in structural biology

authors： Shrestha R,Fajardo JE,Fiser A

更新日期：2021-01-21 00:00:00

abstract：:Crystallographic studies of a number of aminoacyl-tRNA synthetases and their complexes with ATP, amino acid and cognate tRNA are leading to an increasingly detailed picture of how these sophisticated enzymes function. Within the two distinct structural classes of ten synthetases, many common features are apparent, alt...

journal_title：Current opinion in structural biology

authors： Cusack S

更新日期：1997-12-01 00:00:00

abstract：:Cells have evolved intricate ways to propagate signals through signaling networks rich in crosstalks between signaling pathways and feedforward and feedback loops. The enzymatic products of phosphorylation-dependent signaling, namely phosphopeptides, can be identified and quantified systematically by mass spectrometry...

journal_title：Current opinion in structural biology

authors： Gingras AC,Wong CJ

更新日期：2016-12-01 00:00:00

abstract：:Bacterial transcription initiation is controlled by sigma factors, the RNA polymerase (RNAP) subunits responsive for promoter specificity. While the primary sigma factor ensures the bulk of transcription during growth, a major strategy used by bacteria to regulate gene expression consists of modifying the RNAP promote...

journal_title：Current opinion in structural biology

authors： Campagne S,Allain FH,Vorholt JA

更新日期：2015-02-01 00:00:00

abstract：:Recent developments in experimental and computational aspects of NMR spectroscopy have had a significant impact on the accuracy and speed of macromolecular structure determination in solution, particularly with regard to systems of high complexity (such as protein complexes). These include experiments designed to prov...

journal_title：Current opinion in structural biology

authors： Clore GM,Schwieters CD

更新日期：2002-04-01 00:00:00

abstract：:If protein structure prediction methods are to make any impact on the impending onerous task of analyzing the large numbers of unknown protein sequences generated by the ongoing genome-sequencing projects, it is vital that they make the difficult transition from computational 'gedankenexperiments' to practical softwar...

journal_title：Current opinion in structural biology

authors： Jones DT

更新日期：1997-06-01 00:00:00

abstract：:An important goal of structural genomics is to complete the structural analysis of all the enzymes in metabolic pathways and to understand the structural similarities and differences. A preliminary glimpse of this type of analysis was achieved before structural genomics efforts with the glycolytic pathway and efforts ...

journal_title：Current opinion in structural biology

authors： Erlandsen H,Abola EE,Stevens RC

更新日期：2000-12-01 00:00:00

abstract：:The wide occurrence of sialic acids (Sia) in various chemical forms linked as monomers or polymers in an outstanding position in a multitude of complex carbohydrates of animals and microorganisms renders them as most versatile function modulators in cell biology and pathology. A survey is presented of recent advances ...

journal_title：Current opinion in structural biology

authors： Schauer R

更新日期：2009-10-01 00:00:00

abstract：:Bacteria predominantly exist as matrix embedded communities of cells called biofilms. The biofilm matrix is made up of a variety of self-produced extracellular components including DNA, proteins, and exopolysaccharides. Bacterial exopolysaccharides have been implicated in surface adhesion, resistance to antibiotics, a...

journal_title：Current opinion in structural biology

authors： Low KE,Howell PL

更新日期：2018-12-01 00:00:00

abstract：:The major component of bacterial cell wall is peptidoglycan (PG), a complex polymer formed by long glycan chains cross-linked by peptide stems. PG is in constant equilibrium requiring well-orchestrated coordination between synthesis and degradation. The resulting cell-wall fragments can be recycled, act as messengers ...

journal_title：Current opinion in structural biology

authors： Alcorlo M,Martínez-Caballero S,Molina R,Hermoso JA

更新日期：2017-06-01 00:00:00

abstract：:The winged helix proteins constitute a subfamily within the large ensemble of helix-turn-helix proteins. Since the discovery of the winged helix/fork head motif in 1993, a large number of topologically related proteins with diverse biological functions have been characterized by X-ray crystallography and solution NMR ...

journal_title：Current opinion in structural biology

authors： Gajiwala KS,Burley SK

更新日期：2000-02-01 00:00:00

abstract：:Pore-forming proteins (PFPs), involved in host-pathogen interactions, are produced as soluble, generally monomeric, proteins. To convert from the soluble to the transmembrane form, PFPs assemble, in the vicinity of the target membrane, into ring-like structures, which expose sufficient hydrophobicity to drive spontane...

journal_title：Current opinion in structural biology

authors： Iacovache I,Bischofberger M,van der Goot FG

更新日期：2010-04-01 00:00:00