Dynamics in multi-domain protein recognition of RNA.

abstract：:In vitro selection experiments are now routinely used to identify functional nucleic acid residues and structures, and have become a tool for studying molecular recognition, molecular biology, and molecular evolution. Technical innovations that have been made during the past year include the use of modified monomers t...

journal_title：Current opinion in structural biology

authors： Uphoff KW,Bell SD,Ellington AD

更新日期：1996-06-01 00:00:00

abstract：:The surfaces of all microbes are 'sugar coated' with molecules such as lipopolysaccharides in Gram-negative bacteria, capsular polysaccharides in bacteria, lipoarabinomannans in mycobacteria and lipophosphoglycan in Leishmania. The basic structures of these glycoconjugates are known and, in the case of pathogens, they...

journal_title：Current opinion in structural biology

authors： Mengeling BJ,Turco SJ

更新日期：1998-10-01 00:00:00

abstract：:The radical intermediates generated during the catalytic cycles of adenosylcobalamin-dependent enzymes occur in pairs. The positions of radicals residing on the cofactor, substrate or protein, relative to the position of the low-spin Co(2+) from the cob(II)alamin intermediate, can be extracted from electron paramagnet...

journal_title：Current opinion in structural biology

authors： Reed GH,Mansoorabadi SO

更新日期：2003-12-01 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：:ATP- and NAD(+)-dependent DNA ligases, ATP-dependent RNA ligases and GTP-dependent mRNA capping enzymes comprise a superfamily of proteins that catalyze nucleotidyl transfer to polynucleotide 5' ends via covalent enzyme-(lysyl-N)-NMP intermediates. The superfamily is defined by five peptide motifs that line the nucleo...

journal_title：Current opinion in structural biology

authors： Shuman S,Lima CD

更新日期：2004-12-01 00:00:00

abstract：:Almost two decades after their identification, the components of the mitotic checkpoint are finally revealing their structural secrets. The activation of Mad2, a central piece of the checkpoint protein machinery, is linked to the rare ability of this protein to adopt two distinct topologies. Current models of checkpoi...

journal_title：Current opinion in structural biology

authors： Mapelli M,Musacchio A

更新日期：2007-12-01 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：: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：:Polysaccharide monooxygenases, or PMOs (also known as lytic PMOs or LPMOs), are a group of enzymes discovered in recent years to catalyze the oxidative degradation of carbohydrate polymers. The PMO catalytic domain has a β-sandwich fold that bears a strong resemblance to both immunoglobulin (Ig) and fibronectin type I...

journal_title：Current opinion in structural biology

authors： Span EA,Marletta MA

更新日期：2015-12-01 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：:Advances in the crystallization of biological macromolecules have come not only from the application of biochemical, molecular biological and immunological principles and techniques, but also from continued efforts to understand the crystallization process. Developments in crystallization methodologies, protocols, and...

journal_title：Current opinion in structural biology

authors： Gilliland GL,Ladner JE

更新日期：1996-10-01 00:00:00

abstract：:The computational evaluation of protein-protein interactions will play an important role in organising the wealth of data being generated by high-throughput initiatives. Here we discuss future applications, report recent developments and identify areas requiring further investigation. Many functions have been develope...

journal_title：Current opinion in structural biology

authors： Moal IH,Moretti R,Baker D,Fernández-Recio J

更新日期：2013-12-01 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：: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：:Alternatively spliced protein segments tend to be intrinsically disordered and contain linear interaction motifs and/or post-translational modification sites. An emerging concept is that differential inclusion of such disordered segments can mediate new protein interactions, and hence change the context in which the b...

journal_title：Current opinion in structural biology

authors： Buljan M,Chalancon G,Dunker AK,Bateman A,Balaji S,Fuxreiter M,Babu MM

更新日期：2013-06-01 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 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：:Over 5000 halogenated natural products have been reported so far, many of these arising from the marine environment. The introduction of a halogen into a molecule can significantly impact its bioavailability and bioactivity. More recently enzymatic halogenation has been used to enable late stage functionalisation thro...

journal_title：Current opinion in structural biology

authors： Ludewig H,Molyneux S,Ferrinho S,Guo K,Lynch R,Gkotsi DS,Goss RJ

更新日期：2020-12-01 00:00:00

abstract：:Structural modeling of a cell is an evolving strategic direction in computational structural biology. It takes advantage of new powerful modeling techniques, deeper understanding of fundamental principles of molecular structure and assembly, and rapid growth of the amount of structural data generated by experimental t...

journal_title：Current opinion in structural biology

authors： Vakser IA,Deeds EJ

更新日期：2019-04-01 00:00:00

abstract：:Cells are equipped with cosolvents that modulate protein folding and aggregation to withstand water stress. The effect of cosolvents on the aggregation rates depends on whether the polypeptide sequence is an intrinsically disordered protein (IDP) or can fold into a specific native structure. Cosolvents, which act as d...

journal_title：Current opinion in structural biology

authors： Reddy G,Muttathukattil AN,Mondal B

更新日期：2020-02-01 00:00:00

abstract：:Connecting dynamics to structural data from diverse experimental sources, molecular dynamics simulations permit the exploration of biological phenomena in unparalleled detail. Advances in simulations are moving the atomic resolution descriptions of biological systems into the million-to-billion atom regime, in which n...

journal_title：Current opinion in structural biology

authors： Perilla JR,Goh BC,Cassidy CK,Liu B,Bernardi RC,Rudack T,Yu H,Wu Z,Schulten K

更新日期：2015-04-01 00:00:00

abstract：:In all contemporary organisms, the active site of the ribosome--the peptidyl transferase center--catalyzes two distinct reactions, peptide bond formation between peptidyl-tRNA and aminoacyl-tRNA as well as the hydrolysis of peptidyl-tRNA with the help of a release factor. However, when provided with appropriate substr...

journal_title：Current opinion in structural biology

authors： Rodnina MV

更新日期：2013-08-01 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：:X-ray radiation damage to cryocooled ( approximately 100 K) macromolecular crystals has emerged as a general problem, especially since the advent of third generation synchrotron undulator sources. Interest in understanding the physical and chemical phenomena behind the observed effects is growing rapidly. The specific...

journal_title：Current opinion in structural biology

authors： Ravelli RB,Garman EF

更新日期：2006-10-01 00:00:00

abstract：:Purification from a source enriched in large macromolecular machines with basic cellular function is still the method of choice in many cases. Such complexes occur in sufficiently high copy numbers in the cell and can be isolated using classical protein purification protocols. Although advanced DNA recombinant technol...

journal_title：Current opinion in structural biology

authors： Mesa P,Deniaud A,Montoya G,Schaffitzel C

更新日期：2013-06-01 00:00:00

abstract：:There are now numerous examples of proteins that are unstructured or only partially structured under physiological conditions and yet are nevertheless functional. Such proteins are especially prevalent in eukaryotes. In many cases, intrinsically disordered proteins adopt folded structures upon binding to their biologi...

journal_title：Current opinion in structural biology

authors： Dyson HJ,Wright PE

更新日期：2002-02-01 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：:Biology can teach the physical world of electronics, computing, materials science and manufacturing how to assemble complex functional devices and systems that operate at the molecular level. Our present capability to fabricate simple molecular tools, devices, materials and machines is primitive compared with the soph...

journal_title：Current opinion in structural biology

authors： Lowe CR

更新日期：2000-08-01 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：:Salt-dependent electrostatic effects are a major factor in determining the stability, structure, reactivity, and binding behavior of nucleic acids. Increasingly detailed theoretical methods, especially those based on Monte Carlo and Poisson-Boltzmann methodologies, combined with powerful computational algorithms are b...

journal_title：Current opinion in structural biology

authors： Sharp KA,Honig B

更新日期：1995-06-01 00:00:00