Applications of genetic algorithms in molecular diversity.

abstract：:Recent advances in membrane protein crystallography have greatly increased structural information of channels permeating metal ions. Structural bioinformatics techniques and molecular dynamics calculations are providing structural models of ion channels for which the three-dimensional structure is not known. Most of t...

journal_title：Current opinion in chemical biology

authors： Giorgetti A,Carloni P

更新日期：2003-02-01 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

authors： Flors C,Earnshaw WC

更新日期：2011-12-01 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

authors： Mandal S,Müller J

更新日期：2017-04-01 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

authors： Harris GS,Kozarich JW

更新日期：1997-08-01 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

authors： Baranger AM

更新日期：1998-02-01 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

authors： de Raad M,Fischer CR,Northen TR

更新日期：2016-02-01 00:00:00

abstract：:Iron-binding transcription factors are widespread throughout the bacterial world and to date are known to bind several types of cofactors, such as Fe2+, heme, or iron-sulfur clusters. The known chemistry of these cofactors is exploited by transcription factors, including Fur, FNR, and NsrR, to sense molecules such as ...

journal_title：Current opinion in chemical biology

authors： Fleischhacker AS,Kiley PJ

更新日期：2011-04-01 00:00:00

abstract：:In recent years, an increasing number of proteins have been discovered which utilize heme cofactors to sense oxygen, carbon monoxide and nitric oxide. The identification and characterization of these proteins are revising our understanding of heme-mediated allostery first established in the early 1960s. Biochemical an...

journal_title：Current opinion in chemical biology

authors： Chan MK

更新日期：2001-04-01 00:00:00

abstract：:In recent years, ogliopeptides have enjoyed ever increasing interest in two areas: first, approaches to biomimetic enzyme-like activity; and second, as metal-free catalysts for enantioselective transformations of synthetic interest. The discovery and optimization of peptides for these purposes has often used the metho...

journal_title：Current opinion in chemical biology

authors： Berkessel A

更新日期：2003-06-01 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

authors： Borg AJE,Beerens K,Pfeiffer M,Desmet T,Nidetzky B

更新日期：2020-11-06 00:00:00

abstract：:Oxidative cysteine modifications have emerged as a central mechanism for dynamic post-translational regulation of all major protein classes and correlate with many disease states. Elucidating the precise roles of cysteine oxidation in physiology and pathology presents a major challenge. This article reviews the curren...

journal_title：Current opinion in chemical biology

authors： Leonard SE,Carroll KS

更新日期：2011-02-01 00:00:00

abstract：:The asymmetric bioreduction of alkenes bearing an electron-withdrawing group using flavin-dependent enzymes from the 'old yellow enzyme' family at the expense of NAD(P)H yields the corresponding non-racemic alkanes going in hand with the creation of up to two chiral carbon centres. To avoid external cofactor recycling...

journal_title：Current opinion in chemical biology

authors： Stuermer R,Hauer B,Hall M,Faber K

更新日期：2007-04-01 00:00:00

abstract：:The atomic force microscope (AFM) allows biomolecules to be observed and manipulated under native conditions. It operates in buffer solution, produces molecular images with outstanding signal-to-noise ratio, and addresses single molecules. Progress in sample preparation and instrumentation has led to topographs that r...

journal_title：Current opinion in chemical biology

authors： Frederix PL,Akiyama T,Staufer U,Gerber Ch,Fotiadis D,Müller DJ,Engel A

更新日期：2003-10-01 00:00:00

abstract：:Chromatin, the nucleoprotein complex organizing the genome, is central in regulating gene expression and genome organization. Chromatin conformational dynamics, controlled by histone post-translational modifications (PTM) and effector proteins, play a key role in this regulatory function. Recent developments in chemic...

journal_title：Current opinion in chemical biology

authors： Boichenko I,Fierz B

更新日期：2019-08-01 00:00:00

abstract：:Within this review article we describe recent developments in asymmetric catalysis with peptides. Numerous peptides have been established in the past two decades that catalyze a wide variety of transformations with high stereoselectivities and yields, as well as broad substrate scope. We highlight here catalytically a...

journal_title：Current opinion in chemical biology

authors： Lewandowski B,Wennemers H

更新日期：2014-10-01 00:00:00

abstract：:Cellular communication drives diverse aspects of organismal biology ranging from immune function to memory formation. The mechanisms by which cells transact information in vivo, though, are not completely understood. This is due, in part, to a lack of tools for observing collections of cells in their native habitats. ...

journal_title：Current opinion in chemical biology

authors： Porterfield WB,Prescher JA

更新日期：2015-02-01 00:00:00

abstract：:Initiating and terminating free-radical reactionis via hydrogen atom transfer (HAT) is an attractive means of avoiding substrate prefunctionalization. Small molecule catalysts and reagents, however, struggle to execute this fundamental step with useful levels of diastereoselectivity and enantioselectivity. In contrast...

journal_title：Current opinion in chemical biology

authors： Nakano Y,Biegasiewicz KF,Hyster TK

更新日期：2019-04-01 00:00:00

abstract：:The cytochrome bc(1) complex is a key mitochondrial enzyme that catalyses transfer of electrons maintaining the membrane potential of mitochondria. Currently, atovaquone is the only drug in clinical use targeting the Plasmodium falciparum bc(1) complex. The rapid emergence of resistance to atovaquone resulted in a cos...

journal_title：Current opinion in chemical biology

authors： Barton V,Fisher N,Biagini GA,Ward SA,O'Neill PM

更新日期：2010-08-01 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

authors： Micklatcher C,Chmielewski J

更新日期：1999-12-01 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

authors： Shin SK,Yoon HJ,Jung YJ,Park JW

更新日期：2006-10-01 00:00:00

abstract：:The field of enzymology has long used small-molecule mass spectrometry. However, the direct interrogation of covalent and non-covalent intermediates by large-molecule mass spectrometry of enzymes or large peptide substrates is illuminating an increasingly diverse array of chemistries used in nature. Recent advances no...

journal_title：Current opinion in chemical biology

authors： Kelleher NL,Hicks LM

更新日期：2005-10-01 00:00:00

abstract：:The site specific, co-translational introduction of unnatural amino acids into proteins produced in cells has been facilitated by the development of the pyrrolysyl-tRNA synthetase/tRNACUA pair. This pair can now be used to direct the site-specific incorporation of designer amino acids in E. coli, yeast, mammalian cell...

journal_title：Current opinion in chemical biology

authors： Elliott TS,Bianco A,Chin JW

更新日期：2014-08-01 00:00:00

abstract：:Natural evolution has produced a great diversity of proteins that can be harnessed for numerous applications in biotechnology and pharmaceutical science. Commonly, specific applications require proteins to be tailored by protein engineering. Directed evolution is a type of protein engineering that yields proteins with...

journal_title：Current opinion in chemical biology

authors： Lane MD,Seelig B

更新日期：2014-10-01 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

authors： Childers WS,Ni R,Mehta AK,Lynn DG

更新日期：2009-12-01 00:00:00

abstract：:Transition-metal catalysis has unlocked new paradigms for the late-stage modification and cyclization of peptides by harnessing the innate reactivity of proteinogenic amino acids. The field is rapidly evolving, with recent advances encompassing three fundamental areas-heteroatom couplings, decarboxylative cross-coupli...

journal_title：Current opinion in chemical biology

authors： Malins LR

更新日期：2018-10-01 00:00:00

abstract：:The oceans are filled with an amazing variety of biological materials including the glues and cements of mussels, barnacles, tube worms, algae, and starfish. Recent studies on mussel adhesive are providing increasing evidence for a unique mechanism of material generation involving iron-induced protein oxidation and cr...

journal_title：Current opinion in chemical biology

authors： Wilker JJ

更新日期：2010-04-01 00:00:00

abstract：:Recent advances in the development of the phosphorescent Ir(III) complexes have made it possible to implement the phosphorescence modality in bioimaging applications. A variety of phosphorescent Ir(III) complexes have been synthesized and assessed in the context of in vitro and in vivo imaging, especially in subcellul...

journal_title：Current opinion in chemical biology

authors： You Y

更新日期：2013-08-01 00:00:00

abstract：:Modular peptide synthetases, which act as the protein templates for the synthesis of a large number of peptide antibiotics and siderophores, hold great potential for the development of novel compounds. Recently, significant progress has been made towards understanding their molecular architecture and substrate specifi...

journal_title：Current opinion in chemical biology

authors： Mootz HD,Marahiel MA

更新日期：1997-12-01 00:00:00

abstract：:NMR, already some 50 years old, has long been an invaluable analytical method in industry for verification of chemical synthesis and compound characterisation. The range of molecular information accessible through NMR, however, offers a far larger horizon of applications. Of these, ligand screening by NMR has emerged ...

journal_title：Current opinion in chemical biology

authors： Diercks T,Coles M,Kessler H

更新日期：2001-06-01 00:00:00

abstract：:Protein synthesis is inherently a dynamic process, requiring both small-scale and large-scale movements of tRNA and mRNA. It has long been suspected that these movements might be coupled to conformational changes in the ribosome, and in its RNA moieties in particular. Recently, the nature of ribosome structural dynami...

journal_title：Current opinion in chemical biology

authors： Korostelev A,Ermolenko DN,Noller HF

更新日期：2008-12-01 00:00:00