Sequence motifs, polar interactions and conformational changes in helical membrane proteins.

abstract：:The past two years have seen the extension of our knowledge on the cellular prion protein structure with new NMR data on both the hamster and human proteins. In addition, the folding dynamics of two cellular prion proteins have been elucidated. There are now several examples of recombinant prion proteins that are able...

journal_title：Current opinion in structural biology

authors： Jackson GS,Clarke AR

更新日期：2000-02-01 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：:Since its debut in the mid 1970s, electron crystallography has been a valuable alternative in the structure determination of biological macromolecules. Its reliance on single-layered or double-layered two-dimensionally ordered arrays and the ability to obtain structural information from small and disordered crystals m...

journal_title：Current opinion in structural biology

authors： Pope CR,Unger VM

更新日期：2012-08-01 00:00:00

abstract：:Molecular dynamics simulations allow for atomic-level characterization of biomolecular processes such as the conformational transitions associated with protein function. The computational demands of such simulations, however, have historically prevented them from reaching the microsecond and greater timescales on whic...

journal_title：Current opinion in structural biology

authors： Klepeis JL,Lindorff-Larsen K,Dror RO,Shaw DE

更新日期：2009-04-01 00:00:00

abstract：:Given the increasing interest in protein-protein interactions, the prediction of these interactions from sequence and structural information has become a booming activity. CAPRI, the community-wide experiment for assessing blind predictions of protein-protein interactions, is playing an important role in fostering pro...

journal_title：Current opinion in structural biology

authors： Wodak SJ,Méndez R

更新日期：2004-04-01 00:00:00

abstract：:The exponential growth in the amount of genomic data published in recent years has led to increased efforts in analysing genomes for the presence of repeated sequences, which has in turn fostered the development of novel repeat recognition methods. This has resulted in a deepened understanding of the importance and ab...

journal_title：Current opinion in structural biology

authors： Heringa J

更新日期：1998-06-01 00:00:00

abstract：:In the prokaryotic CRISPR-Cas adaptive immune systems, a CRISPR RNA (crRNA) assembles with multiple or single Cas proteins to form crRNA ribonucleoprotein (crRNP) effector complexes, responsible for the destruction of invading genetic elements. Although the mechanisms of target recognition and cleavage by the crRNP ef...

journal_title：Current opinion in structural biology

authors： Nishimasu H,Nureki O

更新日期：2017-04-01 00:00:00

abstract：:Mass spectrometry is becoming a more and more powerful tool for investigating protein complexes. Recent developments, based on different ionization techniques, electrospray, desorption/ionization and others are contributing to the usefulness of MS to describe the organization and structure of large non-covalent assemb...

journal_title：Current opinion in structural biology

authors： Bich C,Zenobi R

更新日期：2009-10-01 00:00:00

abstract：:Zinc finger proteins are among the most abundant proteins in eukaryotic genomes. Their functions are extraordinarily diverse and include DNA recognition, RNA packaging, transcriptional activation, regulation of apoptosis, protein folding and assembly, and lipid binding. Zinc finger structures are as diverse as their f...

journal_title：Current opinion in structural biology

authors： Laity JH,Lee BM,Wright PE

更新日期：2001-02-01 00:00:00

abstract：:Investigating the in vitro refolding of proteins that naturally reside in biological membranes is a notoriously difficult task. Biophysical studies on model systems are beginning to provide a sound physical basis for membrane protein folding that should help to alleviate this problem. Highlights of these studies inclu...

journal_title：Current opinion in structural biology

authors： Booth PJ,Curran AR

更新日期：1999-02-01 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：:Gamma-tubulin is as ubiquitous in eukaryotes as alpha- and beta-tubulin. Rather than forming part of the microtubule wall, however, gamma-tubulin is involved in microtubule nucleation. Although gamma-tubulin concentrates at microtubule-organizing centers, it also exists in a cytoplasmic complex whose size and complexi...

journal_title：Current opinion in structural biology

authors： Wiese C,Zheng Y

更新日期：1999-04-01 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：: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：: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 ribosome undergoes numerous large-scale conformational changes during protein synthesis, but the molecular basis for these changes have been unclear. Recent cryo-electron microscopic and X-ray crystallographic structures of both the bacterial and eukaryotic ribosome now provide snapshots of the wide range of motio...

journal_title：Current opinion in structural biology

authors： Noeske J,Cate JH

更新日期：2012-12-01 00:00:00

abstract：:Here we review mechanisms of protein evolution leading to structural changes in protein complexes. These mechanisms include mutations directly within protein interfaces, as well as the effects of mutations that propagate from distant regions of the protein. We also discuss the constraints protein complex structures im...

journal_title：Current opinion in structural biology

authors： Zhang X,Perica T,Teichmann SA

更新日期：2013-12-01 00:00:00

abstract：:Glycosylation is a common post-translational protein modification, in which glycans are built onto proteins through the sequential addition of monosaccharide units, in reactions catalysed by glycosyltransferases. Glycosylation influences the physicochemical and biological properties of proteins, with subsequent effect...

journal_title：Current opinion in structural biology

authors： McDonald AG,Hayes JM,Davey GP

更新日期：2016-10-01 00:00:00

abstract：:Continuing investigations into protein-protein interactions have revealed their key role in regulating a wide range of cellular processes. Although efforts to modulate these interactions are more challenging and much less mature than work on conventional drug discovery pathways, significant progress has been made on s...

journal_title：Current opinion in structural biology

authors： Zhao L,Chmielewski J

更新日期：2005-02-01 00:00:00

abstract：:DNA photolyases are extremely efficient light-driven DNA repair enzymes that use the energy of a blue-light photon to 'inject' an electron onto UV-damaged DNA, catalyzing the splitting of mutagenic pyrimidine dimers. By contrast, cryptochromes use blue light to trigger signaling cascades in multicellular organisms, fu...

journal_title：Current opinion in structural biology

authors： Essen LO

更新日期：2006-02-01 00:00:00

abstract：:Recent years have seen a rapid increase in structural information on proteins implicated in bacterial pathogenesis. The different modes by which bacteria establish contact with their host tissues are exemplified by the structures of bacterial adhesins in complex with their cognate host receptor. A more detailed struct...

journal_title：Current opinion in structural biology

authors： Remaut H,Waksman G

更新日期：2004-04-01 00:00:00

abstract：:Antibody engineering has been an extremely intensive research area for many years. Recent achievements discussed in this review include: (i) significant improvements in the field of selection of antigen-specific antibody fragments on bacteriophages; (ii) new structural work, in particular using NMR; (iii) the cloning ...

journal_title：Current opinion in structural biology

authors： Nilsson B

更新日期：1995-08-01 00:00:00

abstract：:Recent developments in implicit solvent models may be compared in terms of accuracy and computational efficiency. Based on improvements in the accuracy of generalized Born methods and the speed of Poisson-Boltzmann solvers, it appears that the two techniques are converging to a point at which both will be suitable for...

journal_title：Current opinion in structural biology

authors： Baker NA

更新日期：2005-04-01 00:00:00

abstract：:Few biological macromolecular complexes exhibit the combination of massive size and hierarchical, symmetrical architecture embodied in icosahedral viruses. X-ray crystallography, electron cryomicroscopy and small-angle X-ray scattering provide complementary approaches to studying these remarkable structures. Through a...

journal_title：Current opinion in structural biology

authors： Lee KK,Johnson JE

更新日期：2003-10-01 00:00:00

abstract：:Conformational changes are an essential feature of most molecular processes in biology. Optical tweezers have emerged as a powerful tool for probing conformational dynamics at the single-molecule level because of their high resolution and sensitivity, opening new windows on phenomena ranging from folding and ligand bi...

journal_title：Current opinion in structural biology

authors： Ritchie DB,Woodside MT

更新日期：2015-10-01 00:00:00

abstract：:Dynamin is an important component of membrane recycling at the plasma membrane and, potentially, within the cell. The role of dynamin in clathrin-mediated endocytosis has been based on numerous endocytosis assays, as well as on the discovery and gross characterization of the assembled spiral structure of dynamin. Rece...

journal_title：Current opinion in structural biology

authors： Hinshaw JE

更新日期：1999-04-01 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：:In the past few years, structural biology has begun to reveal details of some of the receptors and associated interactions responsible for protein-mediated recognition events at the cell surface. Recent data span the fields of cytokine-receptor interactions, cell adhesion molecules and viral infection. ...

journal_title：Current opinion in structural biology

authors： Stuart DI,Jones EY

更新日期：1995-12-01 00:00:00

abstract：:Progress in the synthesis, purification and crystallization of RNA has resulted in the determination of several X-ray crystal structures of RNA molecules over the past few years. Methods proven and under development will lead to future structure determinations and shed light on the structural basis for RNA's many func...

journal_title：Current opinion in structural biology

authors： Lietzke SE,Barnes CL,Kundrot CE

更新日期：1995-10-01 00:00:00

abstract：:Magic-angle-spinning (MAS) solid-state NMR spectroscopy is a versatile technique to elucidate functionally important protein-ligand interactions in lipid membranes. Here, we review recent solid-state NMR studies of membrane protein interactions with cholesterol, lipids, transported substrates, and peptide ligands. The...

journal_title：Current opinion in structural biology

authors： Elkins MR,Hong M

更新日期：2019-08-01 00:00:00