Intracellular and in vivo oxygen sensing using phosphorescent iridium(III) complexes.

abstract：:Enzymes are nature's powerful catalytic proteins to perform reactions with often outstanding activity, selectivity and specificity. Moreover, the access to non-natural functions of biocatalysts can be facilitated by enzyme engineering. While rational approaches are often focused on an enzyme's active site, from random...

journal_title：Current opinion in chemical biology

authors： Kreß N,Halder JM,Rapp LR,Hauer B

更新日期：2018-12-01 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 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：:There is currently intense interest in unravelling the modus operandi of type I modular polyketide synthases in order to lay the ground work for their use in the combinatorial biosynthesis of new bioactive molecules. Much of our knowledge is derived from studies on 6-deoxyerythronolide B (DEBS), the enzyme assembling ...

journal_title：Current opinion in chemical biology

authors： Floss HG,Yu TW

更新日期：1999-10-01 00:00:00

abstract：:Lipopolysaccharide (LPS), a glycolipid found in the outer membrane of Gram-negative bacteria, is a potent elicitor of innate immune responses in mammals. A typical LPS molecule is composed of three different structural domains: a polysaccharide called the O-antigen, a core oligosaccharide, and Lipid A. Lipid A is the ...

journal_title：Current opinion in chemical biology

authors： Xiao X,Sankaranarayanan K,Khosla C

更新日期：2017-10-01 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 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：: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

authors： Irwin JJ

更新日期：2006-08-01 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：: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：:RNA editing in kinetoplastids involves post-transcriptional insertion and deletion of uridylates (Us) to produce mature mitochondrial mRNAs with sequences specified by trans acting small guide RNAs. In vitro studies indicate the reaction pathway involves endonucleolytic cleavage of the precursor mRNA at the editing si...

journal_title：Current opinion in chemical biology

authors： Stuart K,Allen TE,Kable ML,Lawson S

更新日期：1997-10-01 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：: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：: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：: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：:Allosteric binding sites, as opposed to traditional orthosteric binding sites, offer unparalleled opportunities for drug discovery by providing high levels of selectivity, mimicking physiological conditions, affording fewer side effects because of desensitization/downregulation, and engendering ligands with chemotypes...

journal_title：Current opinion in chemical biology

authors： Lewis JA,Lebois EP,Lindsley CW

更新日期：2008-06-01 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：:Recent developments in the prediction of toxicity from chemical structure have been reviewed. Attention has been drawn to some of the problems that can be encountered in the area of predictive toxicology, including the need for a multi-disciplinary approach and the need to address mechanisms of action. Progress has be...

journal_title：Current opinion in chemical biology

authors： Barratt MD,Rodford RA

更新日期：2001-08-01 00:00:00

abstract：:Peptide natural products (PNPs) represent a unique class of compounds known for their fascinating structural motifs with important biological activities. Lately, PNPs have garnered a lot of interest for their application in drug discovery. Nevertheless, lack of diversity oriented synthetic/biosynthetic platforms to ge...

journal_title：Current opinion in chemical biology

authors： Maini R,Umemoto S,Suga H

更新日期：2016-10-01 00:00:00

abstract：:Genetically Encoded Voltage Indicators (GEVIs) are powerful tools used to investigate neural activity in the brain. The spatiotemporal resolution of GEVIs is on a subcellular and millisecond scale, and is superior to that of the functional magnetic resonance imaging (fMRI) and electroencephalogram (EEG). Further, whil...

journal_title：Current opinion in chemical biology

authors： Inagaki S,Nagai T

更新日期：2016-08-01 00:00:00

abstract：:There are likely more than 500000 potential phosphorylation sites in a cellular proteome. This dynamic phosphorylation is under tight control of a variety of kinases and phosphatases. In recent years significant progress has been made in the large-scale analysis of these in vitro and in vivo protein phosphorylation ev...

journal_title：Current opinion in chemical biology

authors： Lemeer S,Heck AJ

更新日期：2009-10-01 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：: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

authors： Arkin IT

更新日期：2006-10-01 00:00:00

abstract：:Conceptual and computational advances triggered an explosion of designed protein structures in the recent years. Various protein fold geometries have been robustly designed with atomic accuracy, including protein folds unseen in nature. The same principles and tools have been extended to design multi-chain assemblies....

journal_title：Current opinion in chemical biology

authors： Ljubetič A,Gradišar H,Jerala R

更新日期：2017-10-01 00:00:00

abstract：:The biochemical activities involved in signal transduction in cells are under tight spatiotemporal regulation. To study the effects of the spatial patterning and temporal dynamics of biochemical activities on downstream signaling, researchers require methods to manipulate signaling pathways acutely and rapidly. In thi...

journal_title：Current opinion in chemical biology

authors： Ross B,Mehta S,Zhang J

更新日期：2016-10-01 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：:Synthetic biology offers a bottom-up engineering approach that intends to understand complex systems via design-build-test cycles. Embryonic development comprises complex processes that originate at the level of gene regulatory networks in a cell and emerge into collective cellular behaviors with multicellular forms a...

journal_title：Current opinion in chemical biology

authors： Ebrahimkhani MR,Ebisuya M

更新日期：2019-10-01 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

authors： Antos JM,Francis MB

更新日期：2006-06-01 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：: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