Regulatory GTPases.

abstract：:Peptide-mediated interactions are gaining increased attention due to their predominant roles in the many regulatory processes that involve dynamic interactions between proteins. The structures of such interactions provide an excellent starting point for their characterization and manipulation, and can provide leads fo...

journal_title：Current opinion in structural biology

authors： London N,Raveh B,Schueler-Furman O

更新日期：2013-12-01 00:00:00

abstract：:Recently, advances have been made in methods and applications that integrate electron microscopy density maps and comparative modeling to produce atomic structures of macromolecular assemblies. Electron microscopy can benefit from comparative modeling through the fitting of comparative models into electron microscopy ...

journal_title：Current opinion in structural biology

authors： Topf M,Sali A

更新日期：2005-10-01 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：: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

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：: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：: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：:Protein design is still a challenging undertaking, often requiring multiple attempts or iterations for success. Typically, the source of failure is unclear, and scoring metrics appear similar between successful and failed cases. Nevertheless, the use of sequence statistics, modularity and symmetry from natural protein...

journal_title：Current opinion in structural biology

authors： Broom A,Trainor K,MacKenzie DW,Meiering EM

更新日期：2016-06-01 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：:ATP-binding cassette (ABC)-type ATPases are chemo-mechanical engines for diverse biological pathways. ABC ATPase domains act not only in ABC transporters but also in DNA mismatch, nucleotide excision and double-strand break repair enzymes, as well as in chromosome segregation. Atomic-resolution crystal structures sugg...

journal_title：Current opinion in structural biology

authors： Hopfner KP,Tainer JA

更新日期：2003-04-01 00:00:00

abstract：:Optogenetic dimerizers are modular domains that can be utilized in a variety of versatile ways to modulate cellular biochemistry. Because of their modularity, many applications using these tools can be easily transferred to new targets without extensive engineering. While a number of photodimerizer systems are current...

journal_title：Current opinion in structural biology

authors： Spiltoir JI,Tucker CL

更新日期：2019-08-01 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：:The past decade has witnessed the development of numerous systems for the presentation of antigens on the surface of self-assembling macromolecules. Although the sites for insertion were initially chosen empirically, the determination of the three-dimensional structures of a number of carrier macromolecules has enable...

journal_title：Current opinion in structural biology

authors： Lomonossoff GP,Johnson JE

更新日期：1996-04-01 00:00:00

abstract：:There has been significant recent progress in the computational design of protein interactions including the creation of novel heterodimers, homodimers, nanohedra, fibril caps and a protein crystal. Essential to these successes has been the use of innovative strategies for finding binding modes that are achievable, th...

journal_title：Current opinion in structural biology

authors： Der BS,Kuhlman B

更新日期：2013-08-01 00:00:00

abstract：:The alpha helices of transmembrane proteins interact to form higher order structures. These interactions are frequently mediated by packing motifs (such as GxxxG) and polar residues. Recent structural data have revealed that small sidechains are able to both stabilize helical membrane proteins and allow conformational...

journal_title：Current opinion in structural biology

authors： Curran AR,Engelman DM

更新日期：2003-08-01 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：:Metal-binding sites have been engineered into both de novo designed and naturally occurring proteins. Although the redesign of existing metal-binding sites in naturally occurring proteins still offers the most promise for a successful design, the more challenging goal of engineering metal-binding sites in de novo desi...

journal_title：Current opinion in structural biology

authors： Lu Y,Valentine JS

更新日期：1997-08-01 00:00:00

abstract：:Polyketide synthases (PKSs) form a large family of multifunctional proteins involved in the biosynthesis of diverse classes of natural products. Architecturally at least three different types of PKSs have been discovered in the microbial world and recent years have revealed tremendous versatility of PKSs, both in term...

journal_title：Current opinion in structural biology

authors： Gokhale RS,Sankaranarayanan R,Mohanty D

更新日期：2007-12-01 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：: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：: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：: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：:Force spectroscopy has developed into an indispensable tool for studying folding and binding of proteins on a single molecule level in real time. Design of the pulling geometry allows tuning the reaction coordinate in a very precise manner. Many recent experiments have taken advantage of this possibility and have prov...

journal_title：Current opinion in structural biology

authors： Zoldák G,Rief M

更新日期：2013-02-01 00:00:00

abstract：:CCA-adding enzymes (tRNA nucleotidyltransferases) are responsible for the maturation or repair of the functional 3' end of tRNAs. These enzymes are remarkable because they polymerize the essential nucleotides CCA onto the 3' terminus of tRNA precursors without using a nucleic acid template. Recent crystal structures, ...

journal_title：Current opinion in structural biology

authors： Xiong Y,Steitz TA

更新日期：2006-02-01 00:00:00

abstract：:The most important advances in the field of genome annotation over the past two years involve the use of cDNA sequences, protein structures and gene expression data to predict genes. These types of information not only improve gene identification, but they also give insights into variation in gene structure and functi...

journal_title：Current opinion in structural biology

authors： Gaasterland T,Oprea M

更新日期：2001-06-01 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：: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：: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：:Computational methods play an important role at all stages of the process of determining protein-protein interactions. They are used to predict potential interactions, to validate the results of high-throughput interaction screens and to analyze the protein networks inferred from interaction databases. ...

journal_title：Current opinion in structural biology

authors： Salwinski L,Eisenberg D

更新日期：2003-06-01 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