Chemical modification of conotoxins to improve stability and activity.

abstract：:Regorafenib (Stivarga) is an oral small molecule kinase inhibitor used to treat metastatic colorectal cancer, hepatocellular carcinomas, and gastrointestinal stromal tumors. Diarrhea is one of the most frequently observed adverse reactions associated with regorafenib. This toxicity may arise from the reactivation of t...

journal_title：ACS chemical biology

authors： Ervin SM,Hanley RP,Lim L,Walton WG,Pearce KH,Bhatt AP,James LI,Redinbo MR

更新日期：2019-12-20 00:00:00

abstract：:Whereas the C. elegans genome was sequenced many years ago, the role of small molecule signals in its biology is still poorly understood. A recent publication reports the identification of two steroidal signaling molecules that regulate C. elegans reproductive development and dauer diapause via the nuclear receptor DA...

journal_title：ACS chemical biology

authors： Schroeder FC

更新日期：2006-05-23 00:00:00

abstract：:The complexity of the human proteome is greatly expanded by post-translational modifications. New tools capable of recognizing these modifications in a sequence-specific fashion provide a route to purify these modified proteins, to alter protein trafficking, and to visualize signal transduction in real time. Here, we ...

journal_title：ACS chemical biology

authors： Olson CA,Liao HI,Sun R,Roberts RW

更新日期：2008-08-15 00:00:00

abstract：:Next-generation DNA sequencing technologies have led to a massive accumulation of genomic and transcriptomic data from patients and healthy individuals. The major challenge ahead is to understand the functional significance of the elements of the human genome and transcriptome, and implications for diagnosis and treat...

journal_title：ACS chemical biology

authors： Kampmann M

更新日期：2018-02-16 00:00:00

abstract：:C-methylation of aromatic small molecules by C-methyltransferases (C-MTs) is an important biological transformation that involves C-C bond formation using S-adenosyl-l-methionine (SAM) as the methyl donor. Here, two advances in the mechanistic understanding of C-methylation of the 8-position of coumarin substrates cat...

journal_title：ACS chemical biology

authors： Sadler JC,Chung CH,Mosley JE,Burley GA,Humphreys LD

更新日期：2017-02-17 00:00:00

abstract：:Engineering gene circuits with novel functions holds promise for broad applications in biology, engineering, and medicine. Directed evolution complements rational design as an important strategy for optimizing gene circuits and circuit elements. ...

journal_title：ACS chemical biology

authors： Song H,You L

更新日期：2006-12-20 00:00:00

abstract：:RUVBL1 and RUVBL2 are ATPases associated with diverse cellular activities (AAAs) that form a complex involved in a variety of cellular processes, including chromatin remodeling and regulation of gene expression. RUVBLs have a strong link to oncogenesis, where overexpression is correlated with tumor growth and poor pro...

journal_title：ACS chemical biology

authors： Assimon VA,Tang Y,Vargas JD,Lee GJ,Wu ZY,Lou K,Yao B,Menon MK,Pios A,Perez KC,Madriaga A,Buchowiecki PK,Rolfe M,Shawver L,Jiao X,Le Moigne R,Zhou HJ,Anderson DJ

更新日期：2019-02-15 00:00:00

abstract：:A major risk for patients having estrogen receptor α (ERα)-positive breast cancer is the recurrence of drug-resistant metastases after initial successful treatment with endocrine therapies. Recent studies have implicated a number of activating mutations in the ligand-binding domain of ERα that stabilize the agonist co...

journal_title：ACS chemical biology

authors： Sharma A,Toy W,Guillen VS,Sharma N,Min J,Carlson KE,Mayne CG,Lin S,Sabio M,Greene G,Katzenellenbogen BS,Chandarlapaty S,Katzenellenbogen JA

更新日期：2018-12-21 00:00:00

abstract：:In eukaryotic cells, proteins and RNAs are transported between the nucleus and the cytoplasm by nuclear import and export receptors. Over the past decade, small molecules that inhibit the nuclear export receptor CRM1 have been identified, most notably leptomycin B. However, up to now no small molecule inhibitors of nu...

journal_title：ACS chemical biology

authors： Hintersteiner M,Ambrus G,Bednenko J,Schmied M,Knox AJ,Meisner NC,Gstach H,Seifert JM,Singer EL,Gerace L,Auer M

更新日期：2010-10-15 00:00:00

abstract：:The T cell receptor (TCR)-cluster of differentiation 3 (CD3) signaling complex plays an important role in initiation of adaptive immune responses, but weak interactions have obstructed delineation of the individual TCR-CD3 subunit interactions during T cell signaling. Here, we demonstrate that unnatural amino acids (U...

journal_title：ACS chemical biology

authors： Wang W,Li T,Felsovalyi K,Chen C,Cardozo T,Krogsgaard M

更新日期：2014-09-19 00:00:00

abstract：:Siderophores are iron-chelating molecules produced by microorganisms and plants to acquire exogenous iron. Siderophore biosynthetic enzymology often produces elaborate and unique molecules through unusual reactions to enable specific recognition by the producing organisms. Herein, we report the structure of two sidero...

journal_title：ACS chemical biology

authors： Vinnik V,Zhang F,Park H,Cook TB,Throckmorton K,Pfleger BF,Bugni TS,Thomas MG

更新日期：2021-01-15 00:00:00

abstract：:Fatty acylation or lipid modification of proteins controls their cellular activation and diverse roles in physiology. It mediates protein-protein and protein-membrane interactions and plays an important role in regulating cellular signaling pathways. Currently, there is need for visualizing lipid modifications of prot...

journal_title：ACS chemical biology

authors： Hannoush RN,Arenas-Ramirez N

更新日期：2009-07-17 00:00:00

abstract：:In a process called quorum sensing, bacteria produce and secrete certain signaling compounds (called autoinducers) that bind to receptors on other bacteria and activate transcription of certain genes. A clever genetic selection yields a new quorum-sensing transcriptional regulator that marches to the beat of a differe...

journal_title：ACS chemical biology

authors： Winans SC

更新日期：2006-08-22 00:00:00

abstract：:Spinal muscular atrophy (SMA) is caused by deletion or mutation of both copies of the SMN1 gene, which produces an essential protein known as SMN. The severity of SMA is modified by variable copy number of a second gene,SMN2, which produces an mRNA that is incorrectly spliced with deletion of the last exon. We describ...

journal_title：ACS chemical biology

authors： Singh J,Salcius M,Liu SW,Staker BL,Mishra R,Thurmond J,Michaud G,Mattoon DR,Printen J,Christensen J,Bjornsson JM,Pollok BA,Kiledjian M,Stewart L,Jarecki J,Gurney ME

更新日期：2008-11-21 00:00:00

abstract：:There is a current and pressing need for improved cancer therapies. The use of small molecule kinase inhibitors and their application in combinatorial regimens represent an approach to personalized targeted cancer therapy. A number of AGC kinases, including atypical Protein Kinase C enzymes (PKCs), are validated drug ...

journal_title：ACS chemical biology

authors： Arencibia JM,Fröhner W,Krupa M,Pastor-Flores D,Merker P,Oellerich T,Neimanis S,Schmithals C,Köberle V,Süß E,Zeuzem S,Stark H,Piiper A,Odadzic D,Schulze JO,Biondi RM

更新日期：2017-02-17 00:00:00

abstract：:A two-way colorimetric biosensor based on unmodified gold nanoparticles (GNPs) and a switchable double-stranded DNA (dsDNA) concatemer have been demonstrated. Two hairpin probes (H1 and H2) were first designed that provided the fuels to assemble the dsDNA concatemers via hybridization chain reaction (HCR). A functiona...

journal_title：ACS chemical biology

authors： Zhu L,Shao X,Luo Y,Huang K,Xu W

更新日期：2017-05-19 00:00:00

abstract：:Although protein kinase inhibitors present excellent pharmaceutical opportunities, lack of selectivity and associated therapeutic side effects are common. Bisubstrate-based inhibitors targeting both the high-selectivity peptide substrate binding groove and the high-affinity ATP pocket address this. However, they are t...

journal_title：ACS chemical biology

authors： van Wandelen LT,van Ameijde J,Ismail-Ali AF,van Ufford HC,Vijftigschild LA,Beekman JM,Martin NI,Ruijtenbeek R,Liskamp RM

更新日期：2013-07-19 00:00:00

abstract：:Desferrioxamine B (DFOB) was discovered in the late 1950s as a hydroxamic acid metabolite of the soil bacterium Streptomyces pilosus. The exquisite affinity of DFOB for Fe(III) identified its potential for removing excess iron from patients with transfusion-dependent hemoglobin disorders. Many studies have used semisy...

journal_title：ACS chemical biology

authors： Codd R,Richardson-Sanchez T,Telfer TJ,Gotsbacher MP

更新日期：2018-01-19 00:00:00

abstract：:Nonribosomal peptides are important natural products biosynthesized by nonribosomal peptide synthetases (NRPSs). Adenylation (A) domains of NRPSs are highly specific for the substrate they recognize. This recognition is determined by 10 residues in the substrate-binding pocket, termed the specificity code. This findin...

journal_title：ACS chemical biology

authors： Throckmorton K,Vinnik V,Chowdhury R,Cook T,Chevrette MG,Maranas C,Pfleger B,Thomas MG

更新日期：2019-09-20 00:00:00

abstract：:X-ray crystallographic analysis of a bovine antibody (BLV1H12) revealed a unique scaffold in its ultralong heavy chain complementarity determining region 3 (CDR3H) that folds into a solvent exposed, antiparallel β-stranded "stalk" fused with a disulfide cross-linked "knob" domain. This unusual variable region motif pr...

journal_title：ACS chemical biology

authors： Zhang Y,Wang D,Welzel G,Wang Y,Schultz PG,Wang F

更新日期：2013-10-18 00:00:00

abstract：:The cell utilizes the Keap1/Nrf2-ARE signaling pathway to detoxify harmful chemicals in order to protect itself from oxidative stress and to maintain its reducing environment. When exposed to oxidative stress and xenobiotic inducers, the redox sensitive Keap1 is covalently modified at specific cysteine residues. Conse...

journal_title：ACS chemical biology

authors： Wang R,Mason DE,Choe KP,Lewin AS,Peters EC,Luesch H

更新日期：2013-08-16 00:00:00

abstract：:The 3D structure of a protein is determined by the unique sequence of amino acid residues comprising the polypeptide chain. Sequence changes can cause protein misfolding, a potentially toxic phenomenon implicated in various neurodegenerative disorders. In a recent paper, translational misincorporation is proposed to b...

journal_title：ACS chemical biology

authors： Rochet JC

更新日期：2006-10-24 00:00:00

abstract：:Chromophore-assisted light inactivation (CALI) is a potentially powerful tool for the acute disruption of a target protein inside living cells with high spatiotemporal resolution. This technology, however, has not been widely utilized, mainly because of the lack of an efficient chromophore as the photosensitizing agen...

journal_title：ACS chemical biology

authors： Takemoto K,Matsuda T,McDougall M,Klaubert DH,Hasegawa A,Los GV,Wood KV,Miyawaki A,Nagai T

更新日期：2011-05-20 00:00:00

abstract：:N-methyl-d-aspartate receptors (NMDARs) mediate glutamatergic signaling that is critical to cognitive processes in the central nervous system, and NMDAR hypofunction is thought to contribute to cognitive impairment observed in both schizophrenia and Alzheimer's disease. One approach to enhance the function of NMDAR is...

journal_title：ACS chemical biology

authors： Kutchukian PS,Warren L,Magliaro BC,Amoss A,Cassaday JA,O'Donnell G,Squadroni B,Zuck P,Pascarella D,Culberson JC,Cooke AJ,Hurzy D,Schlegel KS,Thomson F,Johnson EN,Uebele VN,Hermes JD,Parmentier-Batteur S,Finley M

更新日期：2017-02-17 00:00:00

abstract：:Protein-fragment complementation assays (PCAs) are widely used for investigating protein interactions. However, the fragments used are structurally compromised and have not been optimized nor thoroughly characterized for accurately assessing these interactions. We took advantage of the small size and bright luminescen...

journal_title：ACS chemical biology

authors： Dixon AS,Schwinn MK,Hall MP,Zimmerman K,Otto P,Lubben TH,Butler BL,Binkowski BF,Machleidt T,Kirkland TA,Wood MG,Eggers CT,Encell LP,Wood KV

更新日期：2016-02-19 00:00:00

abstract：:Deubiquitinating enzymes play an important role in a plethora of therapeutically relevant processes and are emerging as pioneering drug targets. Herein, we present a novel probe, Ubiquitin Specific Protease (USP) inhibitor, alongside an alkyne-tagged activity-based probe analogue. Activity-based proteome profiling ide...

journal_title：ACS chemical biology

authors： Ward JA,McLellan L,Stockley M,Gibson KR,Whitlock GA,Knights C,Harrigan JA,Jacq X,Tate EW

更新日期：2016-12-16 00:00:00

abstract：:The clinical application of siRNA is limited largely by the lack of efficient, cell-specific delivery systems. Antibodies are attractive delivery vehicles for targeted therapy due to their high specificity. In this study we describe the use of a humanized monoclonal antibody (mAb), hu3S193, against Lewis-Y (Le(y)), as...

journal_title：ACS chemical biology

authors： Ma Y,Kowolik CM,Swiderski PM,Kortylewski M,Yu H,Horne DA,Jove R,Caballero OL,Simpson AJ,Lee FT,Pillay V,Scott AM

更新日期：2011-09-16 00:00:00

abstract：:Chemical synthesis is a powerful method for precise modification of the structural and electronic properties of proteins. The difficulties in the synthesis and purification of peptides containing transmembrane segments have presented obstacles to the chemical synthesis of integral membrane proteins. Here, we present a...

journal_title：ACS chemical biology

authors： Komarov AG,Linn KM,Devereaux JJ,Valiyaveetil FI

更新日期：2009-12-18 00:00:00

abstract：:Mutations that constitutively activate the phosphatidyl-inositol-3-kinase (PI3K) signaling pathway, including alterations in PI3K, PTEN, and AKT, are found in a variety of human cancers, implicating the PI3K lipid kinase as an attractive target for the development of therapeutic agents to treat cancer and other relate...

journal_title：ACS chemical biology

authors： Xie P,Williams DS,Atilla-Gokcumen GE,Milk L,Xiao M,Smalley KS,Herlyn M,Meggers E,Marmorstein R

更新日期：2008-05-16 00:00:00

abstract：:Rediscovery of known compounds and time consumed in identification, especially high molecular weight compounds with complex structure, have let down interest in drug discovery. In this study, whole-genome analysis of microbe and Global Natural Products Social (GNPS) molecular networking helped in initial understanding...

journal_title：ACS chemical biology

authors： Dan VM,J S V,C J S,Sanawar R,Lekshmi A,Kumar RA,Santhosh Kumar TR,Marelli UK,Dastager SG,Pillai MR

更新日期：2020-03-20 00:00:00