Reprogramming a Deubiquitinase into a Transamidase.

abstract：:Cocaine esterase (CocE) is known as the most efficient natural enzyme for cocaine hydrolysis. The major obstacle to the clinical application of wild-type CocE is the thermoinstability with a half-life of only ∼12 min at 37 °C. The previously designed T172R/G173Q mutant (denoted as enzyme E172-173) with an improved in ...

journal_title：ACS chemical biology

authors： Fang L,Chow KM,Hou S,Xue L,Chen X,Rodgers DW,Zheng F,Zhan CG

更新日期：2014-08-15 00:00:00

abstract：:Platinum-based drugs have been used to successfully treat diverse cancers for several decades. Cisplatin, the original compound of this class, cross-links DNA, resulting in cell cycle arrest and cell death via apoptosis. Cisplatin is effective against several tumor types, yet it exhibits toxic side effects and tumors ...

journal_title：ACS chemical biology

authors： Cheung-Ong K,Song KT,Ma Z,Shabtai D,Lee AY,Gallo D,Heisler LE,Brown GW,Bierbach U,Giaever G,Nislow C

更新日期：2012-11-16 00:00:00

abstract：:The oxidative addition of nitric oxide (NO) to a thiol, S-nitrosation, is a focus of studies on cyclic guanosine monophosphate (cGMP)-independent NO signaling. S-Nitrosation of the catalytic cysteine of the caspase proteases has important effects on apoptosis and consequently has received attention. Here we report on ...

journal_title：ACS chemical biology

authors： Mitchell DA,Morton SU,Marletta MA

更新日期：2006-11-21 00:00:00

abstract：:Endothelial progenitor cells (EPCs) and endothelial cells (ECs) play a vital role in endothelialization and vascularization for tissue regeneration. Various EPC/EC targeting biomolecules have been investigated to improve tissue regeneration with limited success often due to their limited functional specificity and str...

journal_title：ACS chemical biology

authors： Hao D,Xiao W,Liu R,Kumar P,Li Y,Zhou P,Guo F,Farmer DL,Lam KS,Wang F,Wang A

更新日期：2017-04-21 00:00:00

abstract：:Polyhalogenated dibenzo-p-dioxins are arguably among the most toxic molecules known to man. In addition to anthropogenic sources, marine invertebrates also harbor polybrominated dibenzo-p-dioxins of as yet unknown biogenic origin. Here, we report that the bmp gene locus in marine bacteria, a recently characterized sou...

journal_title：ACS chemical biology

authors： Agarwal V,Moore BS

更新日期：2014-09-19 00:00:00

abstract：:Botulinum neurotoxins (BoNTs) are the most potent toxins known to man and a significant threat as weapons of bioterrorism. BoNTs contain a metalloprotease domain that blocks neurotransmitter release in nerve terminals, resulting in a descending, flaccid paralysis with a 5-10% mortality rate. Existing treatment options...

journal_title：ACS chemical biology

authors： Garland M,Babin BM,Miyashita SI,Loscher S,Shen Y,Dong M,Bogyo M

更新日期：2019-01-18 00:00:00

abstract：:Creation of an artificial oscillating gene expression system is one of the most challenging issues in synthetic biology. Here, we constructed a simple system to manipulate gene expression patterns to be circadian, reflecting the intrinsic cellular clock, by fusing a core clock protein, BMAL1 or CLOCK, with a zinc fing...

journal_title：ACS chemical biology

authors： Imanishi M,Yamamoto K,Yamada H,Hirose Y,Okamura H,Futaki S

更新日期：2012-11-16 00:00:00

abstract：:Secreted tyrosinase from melanin-forming Streptomyces avermitilis MA4680 was involved in both ortho-hydroxylation and further oxidation of trans-resveratrol, leading to the formation of melanin. This finding was confirmed by constructing deletion mutants of melC(2) and melD(2) encoding extracellular and intracellular ...

journal_title：ACS chemical biology

authors： Lee N,Kim EJ,Kim BG

更新日期：2012-10-19 00:00:00

abstract：:Determining the impact of lipid electrophile-mediated protein damage that occurs during oxidative stress requires a comprehensive analysis of electrophile targets adducted under pathophysiological conditions. Incorporation of ω-alkynyl linoleic acid into the phospholipids of macrophages prior to activation by Kdo2-lip...

journal_title：ACS chemical biology

authors： Beavers WN,Rose KL,Galligan JJ,Mitchener MM,Rouzer CA,Tallman KA,Lamberson CR,Wang X,Hill S,Ivanova PT,Brown HA,Zhang B,Porter NA,Marnett LJ

更新日期：2017-08-18 00:00:00

abstract：:Bacterial resistance to conventional antibiotics is of major concern. Antimicrobial peptides (AMPs) are considered excellent alternatives. Among them, D-cateslytin (D-Ctl, derivative of a host defense peptide) has shown high efficiency against a broad spectrum of bacteria. The first target of AMPs is the outer membran...

journal_title：ACS chemical biology

authors： Quilès F,Barth D,Peric O,Fantner GE,Francius G

更新日期：2020-10-16 00:00:00

abstract：:The genetic code specifies 20 common amino acids and is largely preserved in both single and multicellular organisms. Unnatural amino acids (Uaas) have been genetically incorporated into proteins by using engineered orthogonal tRNA/aminoacyl-tRNA synthetase (RS) pairs, enabling new research capabilities and precision ...

journal_title：ACS chemical biology

authors： Parrish AR,She X,Xiang Z,Coin I,Shen Z,Briggs SP,Dillin A,Wang L

更新日期：2012-07-20 00:00:00

abstract：:The nematode Caenorhabditis elegans is an excellent model organism for studies of glycan dynamics, a goal that requires tools for imaging glycans in vivo. Here we applied the bioorthogonal chemical reporter technique for the molecular imaging of mucin-type O-glycans in live C. elegans. We treated worms with azidosugar...

journal_title：ACS chemical biology

authors： Laughlin ST,Bertozzi CR

更新日期：2009-12-18 00:00:00

abstract：:WS9326A and annimycin are produced by Streptomyces asterosporus DSM 41452. WS9326A is a nonribosomal peptide synthetase-(NRPS-) derived depsipeptide containing a cinnamoyl moiety, while annimycin is a linear polyketide bearing a 2-amino-3-hydroxycyclopent-2-enone (C5N) group. Both gene clusters have been sequenced and...

journal_title：ACS chemical biology

authors： Zhu J,Zhang S,Zechel DL,Paululat T,Bechthold A

更新日期：2019-08-16 00:00:00

abstract：:Conotoxins are small disulfide-rich peptides from the venom of cone snails. Along with other conopeptides, they target a wide range of membrane receptors, ion channels, and transporters, and because of their high potency and selectivity for defined subtypes of these receptors, they have attracted a great deal of atten...

journal_title：ACS chemical biology

authors： Craik DJ,Adams DJ

更新日期：2007-07-20 00:00:00

abstract：:Leishmaniases affect the poorest people on earth and have no effective drug therapy. Here, we present the crystal structure of the mitochondrial isoform of class I fumarate hydratase (FH) from Leishmania major and compare it to the previously determined cytosolic Leishmania major isoform. We further describe the mecha...

journal_title：ACS chemical biology

authors： Feliciano PR,Drennan CL,Nonato MC

更新日期：2019-02-15 00:00:00

abstract：:Caenorhabditis elegans lives in compost and decaying fruit, eats bacteria and is exposed to pathogenic microbes. We show that C. elegans is able to modify diverse microbial small-molecule toxins via both O- and N-glucosylation as well as unusual 3'-O-phosphorylation of the resulting glucosides. The resulting glucosyla...

journal_title：ACS chemical biology

authors： Stupp GS,von Reuss SH,Izrayelit Y,Ajredini R,Schroeder FC,Edison AS

更新日期：2013-02-15 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 mitochondrial ADP/ATP carrier (AAC) is a prominent actor in the energetic regulation of the cell, importing ADP into the mitochondria and exporting ATP toward the cytoplasm. Severe genetic diseases have been ascribed to specific mutations in this membrane protein. How minute, well-localized modifications of the tr...

journal_title：ACS chemical biology

authors： Ravaud S,Bidon-Chanal A,Blesneac I,Machillot P,Juillan-Binard C,Dehez F,Chipot C,Pebay-Peyroula E

更新日期：2012-07-20 00:00:00

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：:This Letter reports a family of novel antimicrobial compounds obtained by combining peptide library screening with structure-based design. Library screening led to the identification of a human LL-37 peptide resistant to chymotrypsin. This d-amino-acid-containing peptide template was active against Escherichia coli bu...

journal_title：ACS chemical biology

authors： Wang G,Hanke ML,Mishra B,Lushnikova T,Heim CE,Chittezham Thomas V,Bayles KW,Kielian T

更新日期：2014-09-19 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：: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：: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：:As part of the central core domain of the ribosome, helix 69 of 23S rRNA participates in an important intersubunit bridge and contacts several protein translation factors. Helix 69 is believed to play key roles in protein synthesis. Even though high-resolution crystal structures of the ribosome exist, the solution dyn...

journal_title：ACS chemical biology

authors： Sakakibara Y,Chow CS

更新日期：2012-05-18 00:00:00

abstract：:The heterologous biosynthesis of complex natural products has enabled access to polyketide, nonribosomal peptide, isoprenoid, and other compounds with wide-spanning societal value. Though several surrogate host systems exist, Escherichia coli is often a preferred choice due to its rapid growth kinetics and extensive m...

journal_title：ACS chemical biology

authors： Liu X,Hua K,Liu D,Wu ZL,Wang Y,Zhang H,Deng Z,Pfeifer BA,Jiang M

更新日期：2020-05-15 00:00:00

abstract：:Base deamination is a common type of DNA damage that occurs in all organisms. DNA repair mechanisms are critical to maintain genome integrity, in which the base excision repair pathway plays an essential role. In the BER pathway, the uracil DNA glycosylase superfamily is responsible for removing the deaminated bases f...

journal_title：ACS chemical biology

authors： Zhang Z,Shen J,Yang Y,Li J,Cao W,Xie W

更新日期：2016-06-17 00:00:00

abstract：:Many pathogenic bacteria including Staphylococcus aureus use iron-chelating siderophores to acquire iron. Iron uptake oxidoreductase (IruO), a flavin adenine dinucleotide (FAD)-containing nicotinamide adenine dinucleotide phosphate (NADPH)-dependent reductase from S. aureus, functions as a reductase for IsdG and IsdI,...

journal_title：ACS chemical biology

authors： Kobylarz MJ,Heieis GA,Loutet SA,Murphy MEP

更新日期：2017-07-21 00:00:00

abstract：:Pentamycin is a polyene antibiotic, registered in Switzerland for the treatment of vaginal candidiasis, trichomoniasis, and mixed infections. Chemical instability has hindered its widespread application and development as a drug. Here, we report the identification of Streptomyces sp. S816, isolated from Philippine man...

journal_title：ACS chemical biology

authors： Zhou S,Song L,Masschelein J,Sumang FAM,Papa IA,Zulaybar TO,Custodio AB,Zabala D,Alcantara EP,de Los Santos ELC,Challis GL

更新日期：2019-06-21 00:00:00

abstract：:Ubc13 is an E2 ubiquitin conjugating enzyme that functions in nuclear DNA damage signaling and cytoplasmic NF-κB signaling. Here, we present the structures of complexes of Ubc13 with two inhibitors, NSC697923 and BAY 11-7082, which inhibit DNA damage and NF-κB signaling in human cells. NSC697923 and BAY 11-7082 both i...

journal_title：ACS chemical biology

authors： Hodge CD,Edwards RA,Markin CJ,McDonald D,Pulvino M,Huen MS,Zhao J,Spyracopoulos L,Hendzel MJ,Glover JN

更新日期：2015-07-17 00:00:00

abstract：:We report progress toward a general strategy for mimicking the recognition properties of specific α-helices within natural proteins through the use of oligomers that are less susceptible than conventional peptides to proteolysis. The oligomers contain both α- and β-amino acid residues, with the density of the β subuni...

journal_title：ACS chemical biology

authors： Peterson-Kaufman KJ,Haase HS,Boersma MD,Lee EF,Fairlie WD,Gellman SH

更新日期：2015-07-17 00:00:00