Light-activated proteins.

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：: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：:Natural enzymes that catalyze Diels-Alder reactions have long been sought after, yet few enzymes have been experimentally confirmed to perform this reaction. In the past five years, several stand-alone enzymes that can catalyze the Diels-Alder reaction had been identified and characterized. Among which, the crystal st...

journal_title：Current opinion in chemical biology

authors： Hashimoto T,Kuzuyama T

更新日期：2016-12-01 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：:Significant advances have been made over the past decade on illustrating structural and functional features underneath the selective metal ion recognition by various proteins in nature. These efforts led to fruitful information regarding mechanisms that bacteria employed on the regulation, transportation, and utilizat...

journal_title：Current opinion in chemical biology

authors： Chen PR,He C

更新日期：2008-04-01 00:00:00

abstract：:Inflammatory and autoimmune diseases, including rheumatoid arthritis, inflammatory bowel diseases, multiple sclerosis, psoriasis and asthma, provide drug discoverers with a tremendous challenge. The precise causes of these diseases are not known, but our understanding of the molecular and cellular mechanisms associate...

journal_title：Current opinion in chemical biology

authors： Lewis AJ,Manning AM

更新日期：1999-08-01 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：:The eukaryotic ribonucleoprotein reverse transcriptase (RT) telomerase uses a template within its integral RNA subunit to extend chromosome ends by synthesis of single-stranded telomeric repeats. Telomerase is adapted to its unique cellular role by an ability to release product DNA in single-stranded form, regeneratin...

journal_title：Current opinion in chemical biology

authors： Collins K

更新日期：2011-10-01 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 photorespiratory pathway, in short photorespiration, is an essential metabolite repair pathway that allows the photosynthetic CO2 fixation of plants to occur in the presence of oxygen. It is necessary because oxygen is a competing substrate of the CO2-fixing enzyme ribulose 1,5-bisphosphate carboxylase, forming 2-...

journal_title：Current opinion in chemical biology

authors： Hagemann M,Bauwe H

更新日期：2016-12-01 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：:Recently, the hypothesis that protein motions are involved in enzymatic turnover has gained significant attention. We review cases where there is evidence that protein motions are rate-limiting in the overall catalytic cycle and examine experimental and theoretical evidence for how such motions enhance the probability...

journal_title：Current opinion in chemical biology

authors： Nashine VC,Hammes-Schiffer S,Benkovic SJ

更新日期：2010-10-01 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：: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：: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：: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：:The metal-free hydrogenase from methanogenic archaea (Hmd) is a unique enzyme: it catalyzes the reaction of its substrate, methenyl-tetrahydromethanopterin, with molecular hydrogen without the aid of a transition metal. In other words, Hmd is currently the only example of a purely organic hydrogenation catalyst. Recen...

journal_title：Current opinion in chemical biology

authors： Berkessel A

更新日期：2001-10-01 00:00:00

abstract：:Exacerbation of climate change and air pollution around the world have emphasized the necessity of replacing fossil fuels with clean and sustainable energy. Metabolic engineering has provided strategies to engineer diverse organisms for the production of biofuels from renewable carbon sources. Although some of the pro...

journal_title：Current opinion in chemical biology

authors： Choi KR,Jiao S,Lee SY

更新日期：2020-12-01 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

authors： Flors C,Earnshaw WC

更新日期：2011-12-01 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

authors： Brustad EM,Arnold FH

更新日期：2011-04-01 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：: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 introduction of fluorine atoms into organic molecules has received considerable attention as these organofluorines have often found widespread applications in bioorganic chemistry, medicinal chemistry and biomaterial science. Despite innovation of synthetic C-F forming methodologies, selective fluorination is stil...

journal_title：Current opinion in chemical biology

authors： Wu L,Maglangit F,Deng H

更新日期：2020-04-01 00:00:00

abstract：:Lysine acetylation has emerged as a key post-translational modification found at many sites throughout the cell. It plays an important role in epigenetic processes, and more generally in the regulation of protein stability and interactions. Acetyl groups are installed by lysine acetyltransferases and removed by lysine...

journal_title：Current opinion in chemical biology

authors： Schiedel M,Conway SJ

更新日期：2018-08-01 00:00:00

abstract：:Protein cysteine residues are central to redox signaling and to protection against oxidative damage through their interactions with reactive oxygen and nitrogen species, and electrophiles. Although there is considerable evidence for a functional role for cysteine modifications, the identity and physiological significa...

journal_title：Current opinion in chemical biology

authors： Chouchani ET,James AM,Fearnley IM,Lilley KS,Murphy MP

更新日期：2011-02-01 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

authors： Arkin IT

更新日期：2006-10-01 00:00:00

abstract：:Oligonucleotide in vitro selection provides surprisingly specific aptamers to protein targets. Synthetic chemistries for modifying nucleotides have been developed to enhance aptamer binding affinity. The diversity of nucleosides amenable to either triphosphate synthesis or phosphoramidite activation is now sufficientl...

journal_title：Current opinion in chemical biology

authors： Eaton BE

更新日期：1997-06-01 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：: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：:The (re)design of enzymes to catalyze 'new' reactions is a topic of considerable practical and intellectual interest. Directed evolution (random mutagenesis followed by screening/selection) has been used widely to identify novel biocatalysts. However, 'rational' approaches using either natural divergent evolution or c...

journal_title：Current opinion in chemical biology

authors： Gerlt JA,Babbitt PC

更新日期：2009-02-01 00:00:00