Heme-mediated oxygen activation in biology: cytochrome c oxidase and nitric oxide synthase.

abstract：:The industrial application of enzymes that can withstand harsh conditions has greatly increased over the past decade. This is mainly a result of the discovery of novel enzymes from extremophilic microorganisms. Recent advances in the study of extremozymes point to the acceleration of this trend. In particular, enzymes...

journal_title：Current opinion in chemical biology

authors： Demirjian DC,Morís-Varas F,Cassidy CS

更新日期：2001-04-01 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：: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：:A wide assortment of caged compounds, which are species whose biological activity can be unleashed with light, have been synthesized and used to investigate a variety of biological phenomena. In contrast, the construction of caged proteins and their application to biological systems has lagged far behind. Recent advan...

journal_title：Current opinion in chemical biology

authors： Curley K,Lawrence DS

更新日期：1999-02-01 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：: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：: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：: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：: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：:Although random mutagenesis and screening and evolutionary engineering have long been the gold standards for strain improvement in industry, the development of more sophisticated recombinant DNA tools has led to the introduction of alternate methods for engineering strain diversity. Here, we summarize several combinat...

journal_title：Current opinion in chemical biology

authors： Santos CN,Stephanopoulos G

更新日期：2008-04-01 00:00:00

abstract：:Natural products are evolutionarily designed and chemically distinct from most synthetic library molecules. In addition to their role as drugs, they are successfully used as molecular probes to identify disease relevant targets. Novel natural products are still routinely discovered from traditional sources through cul...

journal_title：Current opinion in chemical biology

authors： Schmitt EK,Moore CM,Krastel P,Petersen F

更新日期：2011-08-01 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：: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：:The nature of the oxidized halogen intermediate in vanadium bromoperoxidase has recently been shown to depend on the nature of the organic substrate. For example, in the presence of indoles, vanadium bromoperoxidase does not release a freely diffusible oxidized halogen intermediate (such as HOBr+/-BR2+/-Br3-). Regiose...

journal_title：Current opinion in chemical biology

authors： Butler A

更新日期：1998-04-01 00:00:00

abstract：:A broad range of biochemicals, from proteins to nucleic acids, function properly only when associated with a metal, usually a divalent cation. Not any divalent metal will do: these metals differ in their ionic radius, dissociation in water, ionization potential, and number of unpaired electrons in their outer shells, ...

journal_title：Current opinion in chemical biology

authors： Bloom AJ

更新日期：2019-04-01 00:00:00

abstract：:Lipids are indispensable cellular building blocks, and their post-translational attachment to proteins makes them important regulators of many biological processes. Dysfunction of protein lipidation is also implicated in many pathological states, yet its systematic analysis presents significant challenges. Thanks to i...

journal_title：Current opinion in chemical biology

authors： Losada de la Lastra A,Hassan S,Tate EW

更新日期：2020-11-19 00:00:00

abstract：:Recent structural information suggests that the HC(X)5R active-site motif defines three distinct evolutionary families of phosphatases that employ a common catalytic mechanism. In two instances, regulation of phosphatase activity employs autoinhibitory mechanisms involving either intermolecular or intramolecular inter...

journal_title：Current opinion in chemical biology

authors： Denu JM,Dixon JE

更新日期：1998-10-01 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：:Activation of unactivated C-H bonds is an important process in nature and organic synthesis. Nature employs a wide range of metalloproteins to efficiently catalyze such reactions. Quantum chemistry can be used to explore the reactivity of such systems. Atomic level insight into the catalytic mechanisms can be gained t...

journal_title：Current opinion in chemical biology

authors： Ye S,Neese F

更新日期：2009-02-01 00:00:00

abstract：:Single nucleotide polymorphism (SNP) genotyping has become a key technology for genetic studies. In recent years, matrix-assisted laser desorption/ionization (MALDI) time-of-flight mass spectrometry has emerged as a very powerful method for SNP genotyping. Here, we discuss our experience in implementing a high-through...

journal_title：Current opinion in chemical biology

authors： Lechner D,Lathrop GM,Gut IG

更新日期：2002-02-01 00:00:00

abstract：:In many species, double-stranded RNA can specifically and effectively silence genes. This newly discovered biological phenomenon, called RNA interference (RNAi), has practical implications for functional genomics. As shown by two recent reports, RNAi provides a rapid method to test the function of genes in the nematod...

journal_title：Current opinion in chemical biology

authors： Barstead R

更新日期：2001-02-01 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：:The ability of cobalamin to coordinate different upper axial ligands gives rise to a diversity of reactivity. Traditionally, adenosylcobalamin is associated with radical-based rearrangements, and methylcobalamin with methyl cation transfers. Recently, however, a new role for adenosylcobalamin has been discovered as a ...

journal_title：Current opinion in chemical biology

authors： Bridwell-Rabb J,Drennan CL

更新日期：2017-04-01 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：: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 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：:Protein-polymer conjugates are of interest to researchers in diverse fields. Attachment of polymers to proteins results in improved pharmacokinetics, which is important in medicine. From an engineering standpoint, conjugates are exciting because they exhibit properties of both the biomolecules and synthetic polymers. ...

journal_title：Current opinion in chemical biology

authors： Grover GN,Maynard HD

更新日期：2010-12-01 00:00:00

abstract：:Natural products continue to provide privileged scaffolds for drug discovery. However, challenges in supply and structure diversification can limit development. Here, we discuss recent (2017-2020) examples of synthetic biology approaches used to address challenges in supply and contribute to structure diversification ...

journal_title：Current opinion in chemical biology

authors： Romanowski S,Eustáquio AS

更新日期：2020-10-01 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：: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