Mass spectrometry: come of age for structural and dynamical biology.

abstract：:Current research into the morphology of lipid membranes focuses on three areas: first, the transformations and fluctuations of the shape of freely suspended vesicles; second, the morphology of membranes that experience mutual interactions or external forces arising, for example, from a macroscopic surface or from opti...

journal_title：Current opinion in structural biology

authors： Lipowsky R

更新日期：1995-08-01 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：: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：:Channel-forming bacterial toxins undergo a series of remarkable changes in solubility, oligomerization state, structure and dynamics during the processes of membrane binding, assembly, membrane insertion and channel formation. Recent high-resolution crystal structures of channel-forming toxins, in both water-soluble a...

journal_title：Current opinion in structural biology

authors： Gouaux E

更新日期：1997-08-01 00:00:00

abstract：:Generally, non-catalytic carbohydrate binding module (CBM) specificity has been shown to parallel the catalytic activity of the carbohydrate active enzyme (CAZyme) module it is appended to. With the rapid expansion in metagenomic sequence space for the potential discovery of new CBMs in addition to the recent emergenc...

journal_title：Current opinion in structural biology

authors： Abbott DW,van Bueren AL

更新日期：2014-10-01 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：: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：:Intron splicing is a fundamental biological process whereby noncoding sequences are removed from precursor RNAs. Recent work has provided new insights into the structural features and reaction mechanisms of two introns that catalyze their own splicing from precursor RNA: the group I and II introns. In addition, there ...

journal_title：Current opinion in structural biology

authors： Toor N,Keating KS,Pyle AM

更新日期：2009-06-01 00:00:00

abstract：:For many protein families, such as serine proteinases or serine proteinase inhibitors, the family assignment predicts reactivity only in general terms. Both detailed specificity and quantitative reactivity are lacking. We believe that, for many such protein families, algorithms can be devised by defining the subset of...

journal_title：Current opinion in structural biology

authors： Laskowski M Jr,Qasim MA,Yi Z

更新日期：2003-02-01 00:00:00

abstract：:Although intermediates have long been recognised as fascinating species that form during the folding of large proteins, the role that intermediates play in the folding of small, single-domain proteins has been widely debated. Recent discoveries using new, sensitive methods of detection and studies combining simulation...

journal_title：Current opinion in structural biology

authors： Brockwell DJ,Radford SE

更新日期：2007-02-01 00:00:00

abstract：:Channelrhodopsins have become an integral part of modern neuroscience approaches due to their ability to control neuronal activity in targeted cell populations. The recent determination of several channelrhodopsin X-ray structures now enables us to study their function with unprecedented molecular precision. We will d...

journal_title：Current opinion in structural biology

authors： Rappleye M,Berndt A

更新日期：2019-08-01 00:00:00

abstract：:The encounter complex of two proteins is a dynamic intermediate state that guides proteins to their binding site, thus enhancing the rate of complex formation. It is particularly useful for complexes that must balance a biological requirement for high turnover with the need for specific binding, such as electron trans...

journal_title：Current opinion in structural biology

authors： Schilder J,Ubbink M

更新日期：2013-12-01 00:00:00

abstract：:Molecular dynamics simulations of membrane proteins are making rapid progress, because of new high-resolution structures, advances in computer hardware and atomistic simulation algorithms, and the recent introduction of coarse-grained models for membranes and proteins. In addition to several large ion channel simulati...

journal_title：Current opinion in structural biology

authors： Lindahl E,Sansom MS

更新日期：2008-08-01 00:00:00

abstract：:Aromatic polyketides are secondary metabolites that afford some of the most common antibiotics and anti-cancer drugs currently in clinical use. Not least because of their medical importance, the biosynthesis of these compounds has attracted considerable interest during the past few years; important advances have been ...

journal_title：Current opinion in structural biology

authors： Schneider G

更新日期：2005-12-01 00:00:00

abstract：:Ribosomes translate genetic information encoded by mRNAs into protein chains with high fidelity. Truncated mRNAs lacking a stop codon will cause the synthesis of incomplete peptide chains and stall translating ribosomes. In bacteria, a ribonucleoprotein complex composed of tmRNA, a molecule that combines the functions...

journal_title：Current opinion in structural biology

authors： Haebel PW,Gutmann S,Ban N

更新日期：2004-02-01 00:00:00

abstract：:The amide bond with its planarity and lack of chemical reactivity is at the heart of protein structure. Chemical methylation of amides is known but was considered too harsh to be accessible to biology. Until last year there was no protein structure in the data bank with an enzymatically methylated amide. The discovery...

journal_title：Current opinion in structural biology

authors： Song H,Naismith JH

更新日期：2020-12-01 00:00:00

abstract：:Telomerase is an RNP that synthesizes the 3' ends of linear chromosomes and is an important regulator of telomere length. It contains a single long non-coding telomerase RNA (TER), telomerase reverse transcriptase (TERT), and other proteins that vary among organisms. Recent progress in structural biology of telomerase...

journal_title：Current opinion in structural biology

authors： Wang Y,Feigon J

更新日期：2017-12-01 00:00:00

abstract：:TolC and its many homologues comprise an alpha-helical transperiplasmic tunnel embedded in the bacterial outer membrane by a contiguous beta-barrel channel, providing a large exit duct for diverse substrates. The 'channel-tunnel' is closed at its periplasmic entrance, but can be opened by an 'iris-like' mechanism when...

journal_title：Current opinion in structural biology

authors： Koronakis V,Andersen C,Hughes C

更新日期：2001-08-01 00:00:00

abstract：:The eukaryotic genome is hierarchically packaged into chromatin in the nucleus. The organization and dynamics of 30-nm chromatin fibers, which is typically regarded as the secondary structure of chromatin, play a crucial role in regulating DNA accessibility for gene expression. Here we reviewed some recent progresses ...

journal_title：Current opinion in structural biology

authors： Zhu P,Li G

更新日期：2016-02-01 00:00:00

abstract：:Biology has, and continues to be, shaped by evolutionary mechanisms. Within the past decade, local fitness landscapes have become experimentally tractable and are providing new perspectives on evolutionary mechanisms. Powered by next-generation sequencing, the impacts of all individual amino acid substitutions on func...

journal_title：Current opinion in structural biology

authors： Canale AS,Cote-Hammarlof PA,Flynn JM,Bolon DN

更新日期：2018-02-01 00:00:00

abstract：:The structure of the visual pigment rhodopsin in the dark state was first investigated by electron microscopy (EM). More recently, rhodopsin has been crystallised in two different space groups--a tetragonal P4(1) crystal form and a trigonal P3(1) packing arrangement. The structures of the pigment, determined by X-ray ...

journal_title：Current opinion in structural biology

authors： Schertler GF

更新日期：2005-08-01 00:00:00

abstract：:Akt1-3 (Akt) are a subset of the AGC protein Ser/Thr kinase family and play important roles in cell growth, metabolic regulation, cancer, and other diseases. We describe some of the roles of Akt in cell signaling and the biochemical and structural mechanisms of the regulation of Akt catalysis by the phospholipid PIP3 ...

journal_title：Current opinion in structural biology

authors： Cole PA,Chu N,Salguero AL,Bae H

更新日期：2019-12-01 00:00:00

abstract：:The last two years have seen major advances in understanding the structural basis of bacterial cell envelope glycoconjugate biosynthesis, including capsules, lipopolysaccharide, teichoic acid, cellulose, and peptidoglycan. The recent crystal and cryo-electron microscopy structures of proteins involved in the initial g...

journal_title：Current opinion in structural biology

authors： Liston SD,Willis LM

更新日期：2021-01-08 00:00:00

abstract：:Histones are highly positively charged proteins that wrap our genome. Their surface properties also make them prone to nonspecific interactions and aggregation. A class of proteins known as histone chaperones is dedicated to safeguard histones by aiding their proper incorporation into nucleosomes. Histone chaperones f...

journal_title：Current opinion in structural biology

authors： Hondele M,Ladurner AG

更新日期：2011-12-01 00:00:00

abstract：:There has been fantastic progress in solving GPCR crystal structures. However, the ability of X-ray crystallography to guide the drug discovery process for GPCR targets is limited by the availability of accurate tools to explore receptor-ligand interactions. Visual inspection and molecular mechanics approaches cannot ...

journal_title：Current opinion in structural biology

authors： Heifetz A,James T,Southey M,Morao I,Aldeghi M,Sarrat L,Fedorov DG,Bodkin MJ,Townsend-Nicholson A

更新日期：2019-04-01 00:00:00

abstract：:The past years have seen tremendous progress towards understanding how arrestins recognize phosphorylated G protein-coupled receptors (GPCRs). Two arrestin crystal structures, one of a pre-activated splice variant and one bound to a GPCR phosphopeptide, provided insights into the conformational changes upon phosphate ...

journal_title：Current opinion in structural biology

authors： Ostermaier MK,Schertler GF,Standfuss J

更新日期：2014-12-01 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：:NMR relaxation experiments of isotopically labeled proteins provide a wealth of information on reorientational global and local dynamics on nanosecond and subnanosecond timescales for folded and nonfolded proteins in solution. Recent methodological advances in the interpretation of relaxation data have led to a better...

journal_title：Current opinion in structural biology

authors： Brüschweiler R

更新日期：2003-04-01 00:00:00

abstract：:Molecular flexibility over a wide time range is of central importance to the function of many proteins, both soluble and membrane. Revealing the modes of flexibility, their amplitudes, and time scales under physiological conditions is the challenge for spectroscopic methods, one of which is site-directed spin labeling...

journal_title：Current opinion in structural biology

authors： Hubbell WL,López CJ,Altenbach C,Yang Z

更新日期：2013-10-01 00:00:00

abstract：:Mechanisms for making and breaking the heme b cofactor (heme) are more diverse than previously expected. Biosynthetic pathways have diverged at least twice along taxonomic lines, reflecting differences in membrane organization and O2 utilization among major groups of organisms. At least three families of heme degradas...

journal_title：Current opinion in structural biology

authors： Celis AI,DuBois JL

更新日期：2019-12-01 00:00:00