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

authors： Antos JM,Francis MB

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

authors： Navani NK,Li Y

更新日期：2006-06-01 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

authors： Lee HJ,Lee EY,Kwon MS,Paik YK

更新日期：2006-02-01 00:00:00

abstract：:RNA plays an essential cellular role in nearly every aspect of the transmission and expression of genetic information, including regulatory roles that have significance for cellular development. Access to RNA bearing synthetic modifications has allowed biological chemists to probe deep into the inner workings of cellu...

journal_title：Current opinion in chemical biology

authors： Das SR,Fong R,Piccirilli JA

更新日期：2005-12-01 00:00:00

abstract：:The area of lipid molecular design is attracting widespread interest among numerous research groups worldwide. Diverse lipid assemblies in aqueous media, such as vesicles, bilayers and nanorods, offer new applications in chemical biology. Lipids with specifically tailored molecular architecture have been successfully ...

journal_title：Current opinion in chemical biology

authors： Bhattacharya S,Bajaj A

更新日期：2005-12-01 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：:Given the correlation between many human diseases and mis-regulated transcription, there is a growing need for molecules that can inhibit or mimic key interactions between transcriptional activators and their binding partners. Because transcriptional activators typically participate in many different protein-protein b...

journal_title：Current opinion in chemical biology

authors： Majmudar CY,Mapp AK

更新日期：2005-10-01 00:00:00

abstract：:Systems modeling is emerging as a valuable tool in therapeutics. This is seen by the increasing use of clinically relevant computational models and a rise in systems biology companies working with the pharmaceutical industry. Systems models have helped understand the effects of pharmacological intervention at receptor...

journal_title：Current opinion in chemical biology

authors： Rajasethupathy P,Vayttaden SJ,Bhalla US

更新日期：2005-08-01 00:00:00

abstract：:Natural products containing a gamma-butyrolactone ring are abundant in nature; however, few general synthetic approaches to their stereoselective synthesis with broad structural variety are known. In this article, recent developments towards mono- and polycyclic gamma-butyrolactone natural products and analogs are dis...

journal_title：Current opinion in chemical biology

authors： Seitz M,Reiser O

更新日期：2005-06-01 00:00:00

abstract：:Systematic studies of the organization of biochemical networks that make up the living cell can be defined by studying the organization and dynamics of protein interaction networks (PINs). Here, we describe recent conceptual and experimental advances that can achieve this aim and how chemical perturbations of interact...

journal_title：Current opinion in chemical biology

authors： Campbell-Valois FX,Michnick S

更新日期：2005-02-01 00:00:00

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 complex...

journal_title：Current opinion in chemical biology

authors： Egli M

更新日期：2004-12-01 00:00:00

abstract：:The translation of nucleic acids into synthetic structures with expanded functional potential has been the subject of considerable research, with applications including small-molecule and polymer evolution, reaction discovery and sensing. Here, we review properties of nucleic-acid-templated synthesis in the context of...

journal_title：Current opinion in chemical biology

authors： Calderone CT,Liu DR

更新日期：2004-12-01 00:00:00

abstract：:Methanogenesis from trimethylamine, dimethylamine or monomethylamine is initiated by a series of corrinoid-dependent methyltransferases. The non-homologous genes encoding the full-length methyltransferases each possess an in-frame UAG (amber) codon that does not terminate translation. The amber codon is decoded by a d...

journal_title：Current opinion in chemical biology

authors： Krzycki JA

更新日期：2004-10-01 00:00:00

abstract：:Peptide arrays have attracted wide interest as tools for discovering biochemical interactions. Because many protein binding and enzyme activities are directed towards peptides, the preparation of arrays having hundreds to thousands of immobilized peptides offers an unprecedented opportunity for identifying interaction...

journal_title：Current opinion in chemical biology

authors： Min DH,Mrksich M

更新日期：2004-10-01 00:00:00

abstract：:Rapid progress in genomics and proteomics has provided a wealth of new targets for the pharmaceutical industry, even as many older targets still remain challenging for small-molecule drug discovery. Fragment-based lead discovery, in which leads are built progressively by expanding or combining small fragments, is a ra...

journal_title：Current opinion in chemical biology

authors： Erlanson DA,Hansen SK

更新日期：2004-08-01 00:00:00

abstract：:Numerous developments in useful linkers are closely related with the advances in solid-phase organic synthesis. These linkers allow facile attachment functionalization and release molecules of interest. Designing a new anchoring group can be essential for synthesis success, especially for small molecules on solid supp...

journal_title：Current opinion in chemical biology

authors： Gil C,Bräse S

更新日期：2004-06-01 00:00:00

abstract：:Although new detection screening methods must still be developed, the actual main limitation in combinatorial chemistry seems to be the diversity of ligands that can be generated in terms of real structural and chemical diversity. Thus, there is a strong interest for the development of different strategies for the par...

journal_title：Current opinion in chemical biology

authors： Lavastre O,Bonnette F,Gallard L

更新日期：2004-06-01 00:00:00

abstract：:New catalysts and reaction conditions have been developed for the dynamic kinetic resolution or deracemisation of racemic mixtures of chiral compounds. Specific functional groups that lend themselves particularly well to this approach include chiral secondary alcohols, alpha-amino acids, amines and carboxylic acids. A...

journal_title：Current opinion in chemical biology

authors： Turner NJ

更新日期：2004-04-01 00:00:00

abstract：:Numerous tools for Zn2+ sensing in living cells have become available in the past three years. Among them, fluorescence imaging using fluorescent sensor molecules has been the most popular approach. Some of these sensor molecules can be used to visualize Zn2+ in living cells. Some of the biological functions of Zn2+ h...

journal_title：Current opinion in chemical biology

authors： Kikuchi K,Komatsu K,Nagano T

更新日期：2004-04-01 00:00:00

abstract：:The manufacture and use of protein microarrays with correctly folded and functional content presents significant challenges. Despite this, the feasibility and utility of such undertakings are now clear, and exciting progress has recently been demonstrated in the areas of content generation, printing strategies and pro...

journal_title：Current opinion in chemical biology

authors： Predki PF

更新日期：2004-02-01 00:00:00

abstract：:A variety of protein sequence databases exist, ranging from simple sequence repositories, which store data with little or no manual intervention in the creation of the records, to expertly curated universal databases that cover all species and in which the original sequence data are enhanced by the manual addition of ...

journal_title：Current opinion in chemical biology

authors： Apweiler R,Bairoch A,Wu CH

更新日期：2004-02-01 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

authors： Tamura N,Konishi S,Yamaguchi A

更新日期：2003-10-01 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：:New insights have been gained into the therapeutic relevance of the sphingosine 1-phosphate (S1P) pathway, on the basis of reverse pharmacological approaches to defining the mechanism of action of the immunosuppressive agent FTY720. Natural and synthetic sphingosine 1-phosphate receptor agonists can make picomolar int...

journal_title：Current opinion in chemical biology

authors： Rosen H,Liao J

更新日期：2003-08-01 00:00:00

abstract：:Medicinal chemistry principles are being increasingly applied to the design of smaller, high purity, information-rich libraries. Recent computational advances in statistical methodology, the design of libraries to reduce ADMET problems, targeting protein families and revisiting natural products as sources of inspirati...

journal_title：Current opinion in chemical biology

authors： Rose S,Stevens A

更新日期：2003-06-01 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：:New insights have been gained into the formation of the di-iron tyrosyl radical cofactor, which is essential for nucleotide reduction in the class I ribonucleotide reductases. Recent advances include Insight into the function of the tyrosyl radical in initiation of nucleotide reduction. ...

journal_title：Current opinion in chemical biology

authors： Stubbe J

更新日期：2003-04-01 00:00:00

abstract：:Recent studies of moonlighting functions and catalytic promiscuity provide insights into the structural and mechanistic bases of these phenomena. Moonlighting proteins that are highlighted include gephyrin, the Neurospora crassa tyrosyl tRNA synthetase, phosphoglucose isomerase, and cytochrome c. New insights into cat...

journal_title：Current opinion in chemical biology

authors： Copley SD

更新日期：2003-04-01 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

authors： Liu J,Rost B

更新日期：2003-02-01 00:00:00

abstract：:The principles of enzyme chemistry, mechanism of action and inhibitor design are being applied to proteomics by the development of activity-based probes. This approach suggests a potentially broad method for interrogating enzyme family members, both known and unknown, in cells and proteomic fractions without the need ...

journal_title：Current opinion in chemical biology

authors： Kozarich JW

更新日期：2003-02-01 00:00:00

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：:Polyketides are a large class of structurally diverse, biologically active natural products. Recent experiments add evidence that many of the enzymes involved in the biosynthesis of these natural products are intrinsically tolerant of nonnatural substrates. In addition, an increasing understanding of structure-functio...

journal_title：Current opinion in chemical biology

authors： Pohl NL

更新日期：2002-12-01 00:00:00

abstract：:Oligosaccharyl transferase is part of the macromolecular machinery that processes nascent proteins in the endoplasmic reticulum. The enzyme is highly conserved, catalyzes the initial step in the biosynthesis of N-linked glycoproteins and acts as a 'gatekeeper' for the secretory pathway. As more proteins associated wit...

journal_title：Current opinion in chemical biology

authors： Dempski RE Jr,Imperiali B

更新日期：2002-12-01 00:00:00

abstract：:Significant progress in our understanding of the mechanism of fatty acid desaturation has been achieved. The site of initial oxidation has been determined for several membrane-bound desaturases and a common cryptoregiochemical theme has been revealed. The results of several studies, including a detailed analysis of a ...

journal_title：Current opinion in chemical biology

authors： Behrouzian B,Buist PH

更新日期：2002-10-01 00:00:00

abstract：:Fluorescence and reflectance spectroscopy provide the ability to assess tissue structure and metabolism in vivo in real time, providing improved diagnosis of pre-cancerous lesions. Reflectance spectroscopy can probe changes in epithelial nuclei that are important in pre-cancer detection, such as mean nuclear diameter,...

journal_title：Current opinion in chemical biology

authors： Sokolov K,Follen M,Richards-Kortum R

更新日期：2002-10-01 00:00:00

abstract：:Natural sources offer a wealth of chemically diverse compounds that have been evolutionary preselected to modulate biochemical pathways. Several industrial and academic groups are accessing this source using advanced technology platforms. Methods have been reported to generate large and diverse natural-product librari...

journal_title：Current opinion in chemical biology

authors： Abel U,Koch C,Speitling M,Hansske FG

更新日期：2002-08-01 00:00:00

abstract：:The role of integrin and extracellular matrix proteins in various pathological processes (including angiogenesis, thrombosis, apoptosis and cell migration and proliferation), leading to both acute and chronic disease states (e.g. ocular diseases, metastasis, unstable angina, myocardial infarction, stroke, osteoporosis...

journal_title：Current opinion in chemical biology

authors： Mousa SA

更新日期：2002-08-01 00:00:00

abstract：:Multicomponent reactions (MCRs) provide a powerful tool towards the one-pot synthesis of diverse and complex compounds on the one hand and small and 'drug-like' heterocycles on the other hand. No other single synthesis technology enables chemists to search such large chemical spaces as provided by MCRs. MCRs that invo...

journal_title：Current opinion in chemical biology

authors： Dömling A

更新日期：2002-06-01 00:00:00

abstract：:The number of new chemical entities has remained rather constant (averaging 37 per year) in the past decade, despite the multiple-fold increase in the number of compounds that are being made and tested. Chemical space requires novel methods that can handle the increasing number of potentially accessible molecules. Nei...

journal_title：Current opinion in chemical biology

authors： Oprea TI

更新日期：2002-06-01 00:00:00

abstract：:The catalytic pathways of soluble methane monooxygenase (sMMO) and cytochrome P450CAM, iron-containing enzymes, are described and compared. Recent extensive density functional ab initio electronic structure calculations have revealed many similarities in a number of the key catalytic steps, as well as some important d...

journal_title：Current opinion in chemical biology

authors： Guallar V,Gherman BF,Lippard SJ,Friesner RA

更新日期：2002-04-01 00:00:00