New approaches for cell-specific targeting: identification of cell-selective peptides from combinatorial libraries.

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：:Inspired by advances in the ability to construct programmable circuits in living organisms, in vitro circuits are emerging as a viable platform for designing, understanding, and exploiting dynamic biochemical circuitry. In vitro systems allow researchers to directly access and manipulate biomolecular parts without the...

journal_title：Current opinion in chemical biology

authors： Hockenberry AJ,Jewett MC

更新日期：2012-08-01 00:00:00

abstract：:Structural modification of naturally occurring beta-lactams and beta-lactones is a highly effective strategy for generating drugs for treating bacterial infections, cancer, obesity, and hyperlipidemia. These drugs acylate catalytic amino acids (serine, threonine, or cysteine) in enzyme targets such as penicillin-bindi...

journal_title：Current opinion in chemical biology

authors： Kluge AF,Petter RC

更新日期：2010-06-01 00:00:00

abstract：:Fragment-based screening has now become an established method for the generation of lead molecules against therapeutic targets. Fragment molecules are simple, low molecular-weight compounds with few chemical functionalities. These characteristics lead to high hit rates for fragment screening as compared to the more cl...

journal_title：Current opinion in chemical biology

authors： Barelier S,Krimm I

更新日期：2011-08-01 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：:Chemical manipulation of natural, unengineered proteins is a daunting challenge which tests the limits of reaction design. By combining transition-metal or other catalysts with molecular recognition ideas, it is possible to achieve site-selective protein reactivity without the need for engineered recognition sequences...

journal_title：Current opinion in chemical biology

authors： Ball ZT

更新日期：2015-04-01 00:00:00

abstract：:To transfer to the laboratory, the excellent efficiency shown by enzymes in Nature, biocatalysis, had to mimic several synthetic strategies used by the living organisms. Biosynthetic pathways are examples of tandem catalysis and may be assimilated in the biocatalysis field for the use of isolated multi-enzyme systems ...

journal_title：Current opinion in chemical biology

authors： Oroz-Guinea I,García-Junceda E

更新日期：2013-04-01 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：:Amide forming reactions are central to the field of peptide and protein synthesis and are considered to be poorly reversible reactions owing to the high stability of peptide bonds. One amide-forming reaction is native chemical ligation (NCL) which is driven by a sulfur to nitrogen acyl migration process from a transie...

journal_title：Current opinion in chemical biology

authors： Melnyk O,Agouridas V

更新日期：2014-10-01 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

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

authors： Beinert H,Kiley PJ

更新日期：1999-04-01 00:00:00

abstract：:The reactive oxygen and nitrogen species superoxide ion, nitric oxide, nitrogen dioxide and peroxynitrite ion all react with biological target molecules. Some of these interactions are carefully orchestrated segments of signal transduction cascades or part of the armamentarium of the immune system, others are patholog...

journal_title：Current opinion in chemical biology

authors： Groves JT

更新日期：1999-04-01 00:00:00

abstract：:This review explores the concept of using privileged scaffolds to identify biologically active compounds through building chemical libraries. We hope to accomplish three main objectives: to provide one of the most comprehensive listings of privileged scaffolds; to reveal through four selected examples the present stat...

journal_title：Current opinion in chemical biology

authors： Welsch ME,Snyder SA,Stockwell BR

更新日期：2010-06-01 00:00:00

abstract：:Complex glycans participate in many essential life processes. Studies of glycan-mediated biological events have traditionally employed structurally defined fragments of the more elaborate natural molecules. However, it is now clear that this approach may sometimes be insufficient and this realization has prompted a de...

journal_title：Current opinion in chemical biology

authors： Lowary TL

更新日期：2013-12-01 00:00:00

abstract：:Recent efforts in expanding the range of biofuel and biorenewable molecules using microbial production hosts have focused on the introduction of non-native pathways in model organisms and the bio-prospecting of non-model organisms with desirable features. Current challenges lie in the assembly and coordinated expressi...

journal_title：Current opinion in chemical biology

authors： Ng CY,Khodayari A,Chowdhury A,Maranas CD

更新日期：2015-10-01 00:00:00

abstract：:Nitrogenase catalyzes the important reactions of N2-reduction, CO-reduction and CO2-reduction at its active cofactor site. Designated the M-cluster, this complex metallocofactor is assembled through the generation of a characteristic 8Fe-core before the insertion of Mo and homocitrate that completes the stoichiometry ...

journal_title：Current opinion in chemical biology

authors： Hu Y,Ribbe MW

更新日期：2016-04-01 00:00:00

abstract：:The appearance of the highly pathogenic avian influenza virus H5N1 highlighted the potential impact of influenza virus on humanity. The emergence of this high profile virus stimulated much research towards a better understanding of the key determinants for successful human-to-human transmission and as such has provide...

journal_title：Current opinion in chemical biology

authors： von Itzstein M

更新日期：2008-02-01 00:00:00

abstract：:Recent uses of phage-displayed combinatorial peptide and cDNA libraries have proven invaluable in mapping protein-protein interactions, protein-drug interactions, and the generation of 'molecular therapeutics'. This article reviews some of the findings of the past year and points out some of the pros and cons of phage...

journal_title：Current opinion in chemical biology

authors： Rodi DJ,Makowski L,Kay BK

更新日期：2002-02-01 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：:The chemokines are a large superfamily of chemotactic cytokines that are utilized to direct the trafficking and migration of leukocytes within the immune system. The chemokines mediate their activity through a large family of G-protein-coupled receptors, and thus are highly tractable as therapeutic targets. Exciting a...

journal_title：Current opinion in chemical biology

authors： Cascieri MA,Springer MS

更新日期：2000-08-01 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：:Nitrification is the aerobic process of the nitrogen cycle that converts ammonia to nitrate and is facilitated by ammonia-oxidizing and nitrite-oxidizing microorganisms. Ammonia-oxidizers are unique chemolithotrophs that evolved specialized networks of electron carriers to generate proton motive force using ammonia as...

journal_title：Current opinion in chemical biology

authors： Stein LY

更新日期：2019-04-01 00:00:00

abstract：:Herein we review contemporary synthetic and protein design strategies to stabilize the alpha-helical motif in short peptides and miniature proteins. Advances in organometallic catalyst design, specifically for the olefin metathesis reaction, enable the use of hydrocarbon bridges to either crosslink side chains of spec...

journal_title：Current opinion in chemical biology

authors： Henchey LK,Jochim AL,Arora PS

更新日期：2008-12-01 00:00:00

abstract：:Nanoparticle-based therapeutics have received increasing attention, as these systems can alleviate many drawbacks of conventional therapy. Metal-organic frameworks (MOFs), a new class of hybrid materials composed of metal ions and organic bridging ligands, have emerged as a promising platform for drug delivery, owing ...

journal_title：Current opinion in chemical biology

authors： Huxford RC,Della Rocca J,Lin W

更新日期：2010-04-01 00:00:00

abstract：:Iron is an essential nutrient for life, and its capacity to cycle between different oxidation states is required for processes spanning oxygen transport and respiration to nucleotide synthesis and epigenetic regulation. However, this same redox ability also makes iron, if not regulated properly, a potentially dangerou...

journal_title：Current opinion in chemical biology

authors： Aron AT,Reeves AG,Chang CJ

更新日期：2018-04-01 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：:Elastin-like polypeptides (ELPs) are artificial polypeptides, derived from Val-Pro-Gly-Xaa-Gly (VPGXG) pentapeptide repeats found in human tropoelastin, that reversibly coacervate above a critical temperature. Genetically encodable ELPs are monodisperse, stimuli responsive, and biocompatible, properties that make them...

journal_title：Current opinion in chemical biology

authors： Chilkoti A,Christensen T,MacKay JA

更新日期：2006-12-01 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：:The global nitrogen cycle is the process in which different forms of environmental N are interconverted by microorganisms either for assimilation into biomass or in respiratory energy-generating pathways. This short review highlights developments over the last 5 years in our understanding of functionality of nitrogena...

journal_title：Current opinion in chemical biology

authors： Eady RR,Antonyuk SV,Hasnain SS

更新日期：2016-04-01 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