Abstract：
:Fifty years after the publication of the DNA double helix model by Watson and Crick, new nucleic acid structures keep emerging at an ever-increasing rate. The past three years have brought a flurry of new oligonucleotide structures, including those of a Hoogsteen-paired DNA duplex, Holliday junctions, DNA-drug complexes, quadruplexes, a host of RNA motifs and various nucleic acid analogues. Major advances were also made in terms of the structure and function of catalytic RNAs. These range from improved models of the phosphodiester cleavage reactions catalyzed by the hairpin and hepatitis delta virus ribozymes to the visualization of a complete active site of a group I self-splicing intron with bound 5'- and 3'-exons. These triumphs are complemented by a refined understanding of cation-nucleic-acid interactions and new routes to the generation of derivatives for phasing of DNA and RNA structures.
journal_name
Curr Opin Chem Bioljournal_title
Current opinion in chemical biologyauthors
Egli Mdoi
10.1016/j.cbpa.2004.09.004subject
Has Abstractpub_date
2004-12-01 00:00:00pages
580-91issue
6eissn
1367-5931issn
1879-0402pii
S1367-5931(04)00128-0journal_volume
8pub_type
杂志文章,评审abstract：:Phosphorus cycling in the biosphere has traditionally been thought to involve almost exclusively transformations of the element in its pentavalent oxidation state. Recent evidence, however, suggests that a significant fraction of environmental phosphorus may exist in a more reduced form. Most abundant of these reduced...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2016.01.010
更新日期：2016-04-01 00:00:00
abstract：:Inhibition of the steroid 5alpha-reductases shows promise in the treatment of a number of androgen-dependent disorders, such as benign prostatic hyperplasia, male pattern baldness, and acne. The design of potent and isozyme-selective inhibitors has provided biologists and clinicians with important tools for elucidatin...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/s1367-5931(97)80017-8
更新日期：1997-08-01 00:00:00
abstract：:The ability of cobalamin to coordinate different upper axial ligands gives rise to a diversity of reactivity. Traditionally, adenosylcobalamin is associated with radical-based rearrangements, and methylcobalamin with methyl cation transfers. Recently, however, a new role for adenosylcobalamin has been discovered as a ...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2017.01.013
更新日期：2017-04-01 00:00:00
abstract：:Mass spectrometry has become a choice method for broad-spectrum metabolite analysis in both fundamental and applied research. This can range from comprehensive analysis achieved through time-consuming chromatography to the rapid analysis of a few target metabolites without chromatography. In this review article, we hi...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2015.10.012
更新日期：2016-02-01 00:00:00
abstract：:The design of dimeric coiled-coils has ultimately led to novel applications, such as self-replicating peptide systems, whereas the structural features of the less common trimeric coiled-coil continue to be elucidated. Novel topologies have been discovered in designed proteins, as exemplified by the right-handed tetram...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/s1367-5931(99)00031-9
更新日期：1999-12-01 00:00:00
abstract：:Chromatin organization spans a wide range of structural complexity. Substructures at the 10-200nm scale are poorly characterized, especially in living cells, due to the limitations of electron microscopy and standard optical microscopy. Recently developed super-resolution fluorescence microscopy methods represent an e...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2011.10.004
更新日期：2011-12-01 00:00:00
abstract：:Efficient library design is an ongoing challenge for investigators seeking novel ligands for proteins, whether for drug discovery or chemical biology. Strategies that add neglected chemistry or exclude unproductive compounds are two dominant recent themes, as is a growing awareness of molecular complexity and its impl...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2006.06.003
更新日期：2006-08-01 00:00:00
abstract：:The broad utility of protein bioconjugates has created a need for new and diverse strategies for site-selective protein modification. In particular, chemical reactions that target alternative amino acid side chains or unnatural functional groups are emerging as a valuable complement to more commonly used lysine- and c...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2006.04.009
更新日期：2006-06-01 00:00:00
abstract：:The function of nucleic acids has been an endless source of discovery and invention that has drastically enhanced our appreciation of DNA and RNA as multifaceted polymers. It is now widely known that nucleic acids can act as enzymes (deoxyribozymes and ribozymes) and as receptors (aptamers), and that these functional ...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2006.04.003
更新日期：2006-06-01 00:00:00
abstract：:Bacterial-derived antimicrobial polypeptides enjoy a large degree of structural and chemical diversity. Two well-studied examples of such polypeptides are the lanthionine-containing lantibiotics produced by a variety of Gram-positive bacteria, and their Gram-negative counterparts, the microcins. Both groups are produc...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/s1367-5931(00)00094-6
更新日期：2000-06-01 00:00:00
abstract：:Self-assembled monolayer (SAM) and fluorescent quantum dots (QDs) share common ground as emerging tools for nanoscale observation of biological interactions. SAMs provide excellent means of controlling the surface characteristics through individually tailored and engineered building blocks. SAMs on various surfaces ha...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2006.08.006
更新日期：2006-10-01 00:00:00
abstract：:Because biomarkers are typically low in abundance, the crucial step of biomarker discovery is to efficiently separate clinically relevant sets of proteins that might define disease stages and/or predict disease development. It is anticipated that a multi-dimensional fractionation system (MDFS) will provide an efficien...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2006.01.007
更新日期：2006-02-01 00:00:00
abstract：:Electron bifurcation, or the coupling of exergonic and endergonic oxidation-reduction reactions, was discovered by Peter Mitchell and provides an elegant mechanism to rationalize and understand the logic that underpins the Q cycle of the respiratory chain. Thought to be a unique reaction of respiratory complex III for...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2018.07.026
更新日期：2018-12-01 00:00:00
abstract：:Four-electron reduction of dioxygen to water and splitting of water to dioxygen are extremely important processes in the context of attaining clean renewable energy sources. High-valent metal-oxo cores are proposed as reactive intermediates in these vital processes, although they have only been isolated in extremely r...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2015.01.014
更新日期：2015-04-01 00:00:00
abstract：:Sugar nucleotide-modifying enzymes of the short-chain dehydrogenase/reductase type use transient oxidation-reduction by a tightly bound nicotinamide cofactor as a common strategy of catalysis to promote a diverse set of reactions, including decarboxylation, single- or double-site epimerization, and dehydration. Althou...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2020.09.010
更新日期：2020-11-06 00:00:00
abstract：:In the past five to ten years, it has become increasingly apparent that the function of Fe-S clusters is not limited to electron transfer, a function implicit in their discovery. We now know that the vulnerability of these structures to oxidative destruction is used by nature in sensing O2, iron, and possibly also nit...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/S1367-5931(99)80027-1
更新日期：1999-04-01 00:00:00
abstract：:Oligosaccharide recognition is a major means of bacterial-host cell attachment. Bacterial-host receptor binding can subvert host signaling pathways to cause pathology. In addition, pathogenic bacteria can utilize more than one recognition system to bind host cells. Recent studies of Helicobacter pylori illustrate both...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/s1367-5931(98)80105-1
更新日期：1998-12-01 00:00:00
abstract：:Covalent attachment of glycosylphosphatidylinositols (GPIs) to the protein C-terminus is one of the most common posttranslational modifications in eukaryotic cells. In addition to anchoring surface proteins to the cell membrane, GPIs also have many other important biological functions, determined by their unique struc...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2013.09.016
更新日期：2013-12-01 00:00:00
abstract：:The notorious difficulty of elucidating structures of membrane transporters by crystallography has long prevented our understanding of active transport mechanism coupled with ion/proton transport. The determination of the first crystal structure of the drug/H+ antiporter AcrB was a breakthrough for structure-based und...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2003.08.014
更新日期：2003-10-01 00:00:00
abstract：:The definition of molecular diversity and the development of measures for assessing the similarity or dissimilarity of molecules are central tasks for the design of novel biologically active compounds. Combinatorial chemistry allows the coupling of mathematical optimisation methods that do not require the a priori kno...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/s1367-5931(98)80013-6
更新日期：1998-06-01 00:00:00
abstract：:The rapid growth of bio-sequence information has resulted in an increasing demand for reliable methods that group proteins. A few databases with curated alignments of protein families have demonstrated that expert-driven repositories can keep up with the data deluge in the genome era. These original resources implicit...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/s1367-5931(02)00003-0
更新日期：2003-02-01 00:00:00
abstract：:Developing technologies such as unnatural amino acid mutagenesis, non-natural cofactor engineering, and computational design are generating proteins with novel functions; these proteins, however, often do not reach performance targets and would benefit from further optimization. Evolutionary methods can complement the...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2010.11.020
更新日期：2011-04-01 00:00:00
abstract：:Different strategies for the creation of optical sensors with metal-dye complexes are discussed. The focus is on sensors, which are used in conjunction with pattern recognition protocols. It is shown that remarkably powerful sensors can be obtained by combining commercially available dyes with simple transition metal ...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2010.07.005
更新日期：2010-12-01 00:00:00
abstract：:Activation of unactivated C-H bonds is an important process in nature and organic synthesis. Nature employs a wide range of metalloproteins to efficiently catalyze such reactions. Quantum chemistry can be used to explore the reactivity of such systems. Atomic level insight into the catalytic mechanisms can be gained t...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章
doi：10.1016/j.cbpa.2009.02.007
更新日期：2009-02-01 00:00:00
abstract：:Fourier transform infrared (FTIR) spectroscopy has long been a powerful tool for structural analysis of membrane proteins. However, because of difficulties in resolving contributions from individual residues, most of the derived measurements tend to yield average properties for the system under study. Isotope editing,...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2006.08.013
更新日期：2006-10-01 00:00:00
abstract：:DNA binding and transcriptional activation by basic region leucine zipper (bZIP) proteins can be enhanced by accessory factors. In the past year, three accessory factor-bZIP-DNA complexes have been investigated extensively. Experiments have probed the effect of accessory factors on bZIP-DNA specificity, the residues t...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/s1367-5931(98)80031-8
更新日期：1998-02-01 00:00:00
abstract：:Nucleic acids such as DNA are increasingly being applied in nanotechnology, as a result of their capability to self-assemble reversibly. The formal replacement of canonical base pairs by metal-mediated ones enables a site-specific introduction of metal-based functionality into these biomolecules, leading to the format...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2017.01.019
更新日期：2017-04-01 00:00:00
abstract：:Simple surfactants achieve remarkable long-range order in aqueous environments. This organizing potential is seen most dramatically in biological membranes where phospholipid assemblies both define cell boundaries and provide a ubiquitous structural scaffold for controlling cellular chemistry. Here we consider simple ...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2009.09.027
更新日期：2009-12-01 00:00:00
abstract：:Manganese, iron, copper, and zinc are observed to play essential roles in mitochondria. The overload and depletion of metal ions in mitochondria under pathological conditions, however, could disturb mitochondrial compartments and functions leading to cell death. In this review, we mainly summarize how impaired metal i...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2017.09.009
更新日期：2018-04-01 00:00:00
abstract：:Signal amplification in conventional enzyme-based biosensors is not high enough to achieve the ultrasensitive detection of biomolecules. In recent years, signal amplification has been improved by combining enzymatic reactions with redox cycling or employing multienzyme labels per detection probe. Electrochemical-chemi...
journal_title：Current opinion in chemical biology
pub_type： 杂志文章,评审
doi：10.1016/j.cbpa.2012.03.015
更新日期：2012-08-01 00:00:00
