Structural view on recycling of archaeal and eukaryotic ribosomes after canonical termination and ribosome rescue.

abstract：:The torque-generating, direction-reversing switch proteins of the bacterial flagellar rotary motor form a cytoplasmic extension of the bacterial flagellar basal body. 10 A maps, obtained by electron cryomicroscopy, of the bacterial filament reveal an unusual alpha domain which forms the protein-subunit export channel....

journal_title：Current opinion in structural biology

authors： DeRosier DJ

更新日期：1995-04-01 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：:Can a stereochemical recognition code explain sequence-specific protein-nucleic acid interactions? Whereas a code that is generally applicable to DNA-binding proteins of all known structural families is unattainable, the indications are that a code can describe at least some of the interactions of classical zinc finge...

journal_title：Current opinion in structural biology

authors： Choo Y,Klug A

更新日期：1997-02-01 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：: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 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：:O-Glycosylation is an increasingly recognized modification of intracellular proteins in all kingdoms of life, and its occurrence in protists has been investigated to understand its evolution and its roles in the virulence of unicellular pathogens. We focus here on two kinds of glycoregulation found in unicellular euka...

journal_title：Current opinion in structural biology

authors： West CM,Kim HW

更新日期：2019-06-01 00:00:00

abstract：:Recent advances in ab initio direct methods have enabled the solution of crystal structures of small proteins from native X-ray data alone, that is, without the use of fragments of known structure or the need to prepare heavy-atom or selenomethionine derivatives, provided that the data are available to atomic resoluti...

journal_title：Current opinion in structural biology

authors： Usón I,Sheldrick GM

更新日期：1999-10-01 00:00:00

abstract：:G-protein-coupled receptors (GPCRs) participate in virtually all physiological processes. They constitute the largest and most structurally conserved family of signaling molecules. Several class C GPCRs have been shown to exist as dimers in their active form and growing evidence indicates that many, if not all, class ...

journal_title：Current opinion in structural biology

authors： Fotiadis D,Jastrzebska B,Philippsen A,Müller DJ,Palczewski K,Engel A

更新日期：2006-04-01 00:00:00

abstract：:Directed evolution is widely used to improve enzymes, particularly for industrial biocatalytic processes. Molecular biology advances present many new strategies for directed evolution. Commonly used techniques have led to many successful examples of enzyme improvement, yet there is still a need to improve both the eff...

journal_title：Current opinion in structural biology

authors： Dalby PA

更新日期：2011-08-01 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：:Functional conformational changes of proteins can facilitate numerous biological events in cells. The Markov state model (MSM) built from molecular dynamics simulations provide a powerful approach to study them. We here introduce a protocol that is tailor-made for constructing MSMs to study the functional conformation...

journal_title：Current opinion in structural biology

authors： Wang X,Unarta IC,Cheung PP,Huang X

更新日期：2020-10-27 00:00:00

abstract：:The biological functions of protein molecules are intimately dependent on their conformational dynamics. This aspect is particularly evident for disordered proteins, which constitute perhaps one-third of the human proteome. Therefore, structural ensembles often offer more useful representations of proteins than indivi...

journal_title：Current opinion in structural biology

authors： Bonomi M,Heller GT,Camilloni C,Vendruscolo M

更新日期：2017-02-01 00:00:00

abstract：:The annotation of protein function at genomic scale is essential for day-to-day work in biology and for any systematic approach to the modeling of biological systems. Currently, functional annotation is essentially based on the expansion of the relatively small number of experimentally determined functions to large co...

journal_title：Current opinion in structural biology

authors： Valencia A

更新日期：2005-06-01 00:00:00

abstract：:During the past few years, there have been exciting developments in the field of flavoenzymology. New flavoenzymes have been discovered that are implicated in a variety of biological processes, including cell signaling, chromatin remodeling and cell development. The structures of several of these new flavoenzymes have...

journal_title：Current opinion in structural biology

authors： De Colibus L,Mattevi A

更新日期：2006-12-01 00:00:00

abstract：:The structure of tubulin has recently been determined by electron crystallography, paving the way for a clearer understanding of the unique properties of tubulin that allow its varied functions within the cell. Some of the ongoing work on tubulin can be interpreted in terms of its structure, which can serve to guide f...

journal_title：Current opinion in structural biology

authors： Downing KH,Nogales E

更新日期：1998-12-01 00:00:00

abstract：:Advances in electron microscopes, detectors and data processing algorithms have greatly facilitated the structural determination of many challenging integral membrane proteins that have been evasive to crystallization. These breakthroughs facilitate the application and development of various membrane protein solubiliz...

journal_title：Current opinion in structural biology

authors： Autzen HE,Julius D,Cheng Y

更新日期：2019-10-01 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：:Kinetochores are large macromolecular assemblies that link chromosomes to spindle microtubules (MTs) during mitosis. Here we review recent advances in the study of core MT-binding kinetochore complexes using electron microcopy methods in vitro and nanometer-accuracy fluorescence microscopy in vivo. We synthesize these...

journal_title：Current opinion in structural biology

authors： Alushin G,Nogales E

更新日期：2011-10-01 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：: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：:The observed distribution of protein structures can give us important clues about the underlying evolutionary process, imposing important constraints on possible models. The availability of results from an increasing number of genome projects has made the development of these models an active area of research. Models ...

journal_title：Current opinion in structural biology

authors： Goldstein RA

更新日期：2008-04-01 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：: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：: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：:Achieving the goals of structural genomics initiatives depends on the outcomes of two groups of factors: the number and distribution of experimentally determined protein structures, and our ability to assign novel proteins to known structures (fold recognition) and use them to build models (modeling). The quality of t...

journal_title：Current opinion in structural biology

authors： Friedberg I,Jaroszewski L,Ye Y,Godzik A

更新日期：2004-06-01 00:00:00

abstract：:Congenital disorders of glycosylation (CDG) are a group of diseases that affect glycoprotein biogenesis. Eighteen different types of CDG have been defined genetically. They result from deficiencies in either the biosynthesis of oligosaccharide precursors or specific steps of N-glycan assembly, resulting in the absence...

journal_title：Current opinion in structural biology

authors： Freeze HH,Aebi M

更新日期：2005-10-01 00:00:00

abstract：:This review emphasizes the effects of naturally occurring mutations on structural features and physico-chemical properties of proteins. The basic protein characteristics considered are stability, dynamics, and the binding of proteins and methods for assessing effects of mutations on these macromolecular characteristic...

journal_title：Current opinion in structural biology

authors： Kucukkal TG,Petukh M,Li L,Alexov E

更新日期：2015-06-01 00:00:00

abstract：:Over recent years, nuclear magnetic resonance (NMR) spectroscopy has developed into a powerful mechanistic tool for the investigation of G protein-coupled receptors (GPCRs). NMR provides insights which underpin the dynamic nature of these important receptors and reveals experimental evidence for a complex conformation...

journal_title：Current opinion in structural biology

authors： Bostock MJ,Solt AS,Nietlispach D

更新日期：2019-08-01 00:00:00

abstract：:Among the crystal structures of lectins determined recently, three--snowdrop lectin, jacalin and amaranthin--represent new lectin families. Their polypeptide folds share remarkably similar features and consist exclusively of beta structure. Autonomously folded beta-sheet subdomains, inter-related by a pseudothreefold ...

journal_title：Current opinion in structural biology

authors： Wright CS

更新日期：1997-10-01 00:00:00