Reaction of vanadium(V) with thiols generates vanadium (IV) and thiyl radicals.

abstract：:The somatostatin upstream enhancer (SMS-UE) is a highly complex enhancer element. The distal A-element contains overlapping Pdx1 and Pbx binding sites. However, a point mutation in the A-element that abolishes both Pdxl and Pbx binding does not impair promoter activity. In contrast, a point mutation that selectively e...

journal_title：FEBS letters

authors： Andersen FG,Jensen J,Heller RS,Petersen HV,Larsson LI,Madsen OD,Serup P

更新日期：1999-02-26 00:00:00

abstract：:The PDE4 catalytic machinery comprises, in part, two divalent cations in a binuclear motif. Here we report that PDE4A4 expressed in Sf9 cells exhibits a biphasic Mg(2+) dose-response (EC(50) of 0.15 and >10 mM) in catalyzing cAMP hydrolysis. In vitro phosphorylation of PDE4A4 by the PKA-catalytic subunit increases the...

journal_title：FEBS letters

authors： Laliberté F,Liu S,Gorseth E,Bobechko B,Bartlett A,Lario P,Gresser MJ,Huang Z

更新日期：2002-02-13 00:00:00

abstract：:Ribonucleoprotein complexes, which contain mRNAs and their regulator proteins, carry out post-transcriptional control of gene expression. The function of many RNA-binding proteins depends on their association with cofactors. Here, we use a genomic approach to identify transcripts associated with DLC-1, a protein previ...

journal_title：FEBS letters

authors： Day NJ,Ellenbecker M,Voronina E

更新日期：2018-11-01 00:00:00

abstract：:Insulin resistant states are associated with an increase in the beta cell mass and also high levels of circulating insulin. Ultimately the beta cells undergo a failure that leads to diabetes. At this stage, a question arises if those persistent high levels of circulating insulin may contribute to beta cell damage. To ...

journal_title：FEBS letters

authors： Guillen C,Bartolomé A,Nevado C,Benito M

更新日期：2008-11-26 00:00:00

abstract：:We examined whether a proposed spatial proximity between Asp114(2.50) and Asn332(7.49) affected the functional properties of the mu opioid receptor. The D114(2.50)N mutant had reduced binding affinities for morphine, DAMGO and CTAP, but not for naloxone and [3H]diprenorphine; this mutation also abolished agonist-induc...

journal_title：FEBS letters

authors： Xu W,Ozdener F,Li JG,Chen C,de Riel JK,Weinstein H,Liu-Chen LY

更新日期：1999-03-26 00:00:00

abstract：:According to the leading theory, the agent responsible for prion diseases would be the conformational isomer PrP(Sc) of a cellular protein PrP(C), the pathogenic form PrP(Sc) multiplying by converting the normal protein into a likeness of itself. The pathogenic isoform could catalyze the conformational transition so t...

journal_title：FEBS letters

authors： Laurent M

更新日期：1997-04-21 00:00:00

abstract：:Magainins are a family of antimicrobial peptides present in the skin extracts of Xenopus laevis. Both magainin-1 and -2 do not have any significant effect on the activity of protein kinase C (PKC). Magainin-2 was found to be readily phosphorylated by PKC to 0.5 mol 32P/mol of peptide. Neither magainin-1, which has a s...

journal_title：FEBS letters

authors： Nakabayashi H,Brown JH,Morell JL,Chen HC,Huang KP

更新日期：1990-07-02 00:00:00

abstract：:A poly(A) tail functions in mRNA turnover and in facilitating translation as a ribonucleoprotein complex with poly(A) binding proteins (PABPs). However, factors that associate with the poly(A) tail other than PABPs have not been described. Using proteomics, we identified candidate proteins that interact to the 3' term...

journal_title：FEBS letters

authors： Aoki K,Adachi S,Homoto M,Kusano H,Koike K,Natsume T

更新日期：2013-07-11 00:00:00

abstract：:Recent studies indicate that junctophilin (JP) subtypes contribute to the formation of the junctional membrane complexes between the plasma membrane and the endoplasmic/sarcoplasmic reticulum (ER/SR) in excitable cells. Cardiac muscle contains the diad, in which the transverse (T) tubule of the invaginated cell membra...

journal_title：FEBS letters

authors： Komazaki S,Nishi M,Takeshima H

更新日期：2003-05-08 00:00:00

abstract：:We have used DNase I footprinting to examine the effect of a novel naphthylquinoline dimer, designed as a triplex-specific bis-intercalator, on the stability of intermolecular DNA triplexes. We find that this compound efficiently promotes triplex formation between the 9-mer oligonucleotide 5'-TTTTTTCTT and its oligopu...

journal_title：FEBS letters

authors： Keppler M,Zegrocka O,Strekowski L,Fox KR

更新日期：1999-03-26 00:00:00

abstract：:DNA complementary to mRNA extracted from the thyroid glands of patients suffering from medullary carcinoma of the thyroid (MCT), a calcitonin-producing tumour, was inserted in the Pst site of pBR 322 by G-C tailing. The recombinant plasmids were used to transform Escherichia coli DP 50. Ampicillin-resistant clones wer...

journal_title：FEBS letters

authors： Le Moullec JM,Jullienne A,Chenais J,Lasmoles F,Guliana JM,Milhaud G,Moukhtar MS

更新日期：1984-02-13 00:00:00

abstract：:Calpain, a Ca2+-dependent biomodulator, alters the properties of substrate proteins by cleaving them at a limited number of specific sites. Recent studies of the structure-function relationship of calpain and X-ray analysis of its Ca2+-binding domain have revealed hitherto unknown features of the regulation of calpain...

journal_title：FEBS letters

authors： Suzuki K,Sorimachi H

更新日期：1998-08-14 00:00:00

abstract：:The R2 protein component of mouse ribonucleotide reductase has been obtained from overproducing Escherichia coli bacteria. It has been crystallized using NaCl as precipitant. The crystals are orthorhombic, space group C222(1), with cell dimensions a = 76.9 A, b = 108.9 A, c = 92.7 A and diffract to at least 2.5 A. The...

journal_title：FEBS letters

authors： Nielsen BB,Kauppi B,Thelander M,Thelander L,Larsen IK,Eklund H

更新日期：1995-10-16 00:00:00

abstract：:o-Aminophenol was found to be rapidly metabolized to a brown compound in the presence of purified human oxy- and methemoglobin, coupled with the oxidation and reduction of these hemoglobins by o-aminophenol. The final product of o-aminophenol was identified as 2-aminophenoxazine-3-one, by using spectrophotometry and H...

journal_title：FEBS letters

authors： Tomoda A,Yamaguchi J,Kojima H,Amemiya H,Yoneyama Y

更新日期：1986-02-03 00:00:00

abstract：:Mature beta-hexosaminidase A has been found associated to the external leaflet of plasma membrane of cultured fibroblasts. The plasma membrane association of beta-hexosaminidase A has been directly determined by cell surface biotinylation followed by affinity chromatography purification of the biotinylated proteins, a...

journal_title：FEBS letters

authors： Mencarelli S,Cavalieri C,Magini A,Tancini B,Basso L,Lemansky P,Hasilik A,Li YT,Chigorno V,Orlacchio A,Emiliani C,Sonnino S

更新日期：2005-10-24 00:00:00

abstract：:The antibacterial activity of many small, positively charged peptides and proteins is based on pore formation in lipid bilayers. It is here proposed to arise from an electroporation effect. This hypothesis is supported by calculations of the electrostatic potential of NK-lysin associated to a membrane. For a significa...

journal_title：FEBS letters

authors： Miteva M,Andersson M,Karshikoff A,Otting G

更新日期：1999-11-26 00:00:00

abstract：:A recombinant expression system was developed to analyse sequence determinants involved in O-glycosylation of proteins in mycobacteria. By expressing peptide sequences corresponding to known glycosylation sites within a chimeric lipoprotein construct, amino acids flanking modified threonine residues were found to have...

journal_title：FEBS letters

authors： Herrmann JL,Delahay R,Gallagher A,Robertson B,Young D

更新日期：2000-05-19 00:00:00

abstract：:The effect of lysophosphatidic acid (LPA) on the preimplantation development of mouse embryos was examined. The blastocyst rates from 2-cell and 4-cell stage embryos were significantly higher in the presence of LPA at the pronuclear stage. However, the blastocyst rate from 4-cell stage embryos was significantly lower ...

journal_title：FEBS letters

authors： Kobayashi T,Yamano S,Murayama S,Ishikawa H,Tokumura A,Aono T

更新日期：1994-08-29 00:00:00

abstract：:Mutations of the cysteines (positions 668 and 714) were generated in the IF2 C domain of Bacillus stearothermophilus translation initiation factor IF2. The corresponding proteins were characterized functionally and structurally. Most (yet not all) amino acid replacements at both positions resulted in severe reduction ...

journal_title：FEBS letters

authors： Misselwitz R,Welfle K,Krafft C,Welfle H,Brandi L,Caserta E,Gualerzi CO

更新日期：1999-10-15 00:00:00

abstract：:The long form of human uncoupling protein-3 (hUCP3L) is highly homologous to thermogenin (UCPI), the uncoupling protein of brown fat mitochondria, but is expressed predominantly in skeletal muscle. Its putative role is to regulate the coupling efficiency of oxidative phosphorylation and thus thermogenesis in skeletal ...

journal_title：FEBS letters

authors： Hinz W,Faller B,Grüninger S,Gazzotti P,Chiesi M

更新日期：1999-04-01 00:00:00

abstract：:Inducible heat shock protein 70 (Hsp70) is one of the most important HSPs for maintenance of cell integrity during normal cellular growth as well as pathophysiological conditions. Tumor necrosis factor receptor-associated factor 6 (TRAF6) is a crucial signaling transducer that regulates a diverse array of physiologica...

journal_title：FEBS letters

authors： Chen H,Wu Y,Zhang Y,Jin L,Luo L,Xue B,Lu C,Zhang X,Yin Z

更新日期：2006-05-29 00:00:00

abstract：:Glycogen synthase kinase-5 (casein kinase-II) phosphorylates glycogen synthase on a serine termed site 5. This residue is just C-terminal to the 3 serines phosphorylated by glycogen synthase kinase-3, which are critical for the hormonal regulation of glycogen synthase in vivo. Although phosphorylation of site 5 does n...

journal_title：FEBS letters

authors： Picton C,Woodgett J,Hemmings B,Cohen P

更新日期：1982-12-13 00:00:00

abstract：:It was believed that there was no natural suppressor tRNA in Escherichia coli, however, it has been suggested that selC, relating to the synthesis of formate dehydrogenase of a selenoprotein [(1988) Nature 331, 723-725], codes for tRNA, even though the presence of tRNA has not yet been demonstrated. We detected the pr...

journal_title：FEBS letters

authors： Mizutani T,Maruyama N,Hitaka T,Sukenaga Y

更新日期：1989-04-24 00:00:00

abstract：:Somatostatin 14 (SS 14) has been isolated from pancreatic extracts, but open gel filtration immunoreactive SS often elutes in two peaks. We isolated both peaks, but upon sequence analysis only authentic SS 14 could be identified. By further gel filtration experiments it turned out that both synthetic and extractable S...

journal_title：FEBS letters

authors： Bersani M,Johnsen AH,Holst JJ

更新日期：1991-02-25 00:00:00

abstract：:Sphingolipids are implied in several regulatory processes, including cell death. Levels of the free sphingobase t18:0 (phytosphingosine) increase in Arabidopsis in response to the bacterial pathogen Pseudomonas syringae. To gain information on sphingobase-induced signaling, we determined kinetics of leaf reactive oxyg...

journal_title：FEBS letters

authors： Peer M,Bach M,Mueller MJ,Waller F

更新日期：2011-10-03 00:00:00

abstract：:Organisms using the thiosulfate-oxidizing Sox enzyme system fall into two groups: group 1 forms sulfur globules as intermediates (Allochromatium vinosum), group 2 does not (Paracoccus pantotrophus). While several components of their Sox systems are quite similar, i.e. the proteins SoxXA, SoxYZ and SoxB, they differ by...

journal_title：FEBS letters

authors： Welte C,Hafner S,Krätzer C,Quentmeier A,Friedrich CG,Dahl C

更新日期：2009-04-17 00:00:00

abstract：:Inflammation is highly regulated by various agents. Unexpectedly, we report here that the damage-associated molecular pattern S100A9 protein, a potent neutrophil activator and inducer of cytokine production in monocytes, is not a direct activator of cytokine production in human neutrophils. However, S100A9 primed IL-8...

journal_title：FEBS letters

authors： Simard JC,Noël C,Tessier PA,Girard D

更新日期：2014-06-13 00:00:00

abstract：:Peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1alpha), a highly inducible transcriptional coactivator regulating energy homeostasis, is down-regulated in hepatoma tissues. To dissect its role in hepato-tumorigenesis, Ingenuity Pathway Analysis was applied to construct pathways affected by P...

journal_title：FEBS letters

authors： Lee HJ,Su Y,Lui WY,Chau GY,Yin PH,Lee HC,Chi CW

更新日期：2008-03-05 00:00:00

abstract：:A strain of yeast, Hansenula mrakii, secretes a toxin that kills sensitive yeasts, such as Saccharomyces cerevisiae Monoclonal antibodies raised against the toxin had both binding and neutralizing activities. The toxin in culture media was isolated by an affinity column of monoclonal antibody. The toxin is a basic pol...

journal_title：FEBS letters

authors： Yamamoto T,Imai M,Tachibana K,Mayumi M

更新日期：1986-01-20 00:00:00

abstract：:Gabapentin (GBP) is a gamma-aminobutyric acid analog effective in the treatment of seizures. A high-affinity interaction between GBP and the alpha(2)delta subunit of the voltage-gated Ca(2+) channels has been documented. In this report, we examined the effects of the chronic treatment with GBP on neuronal recombinant ...

journal_title：FEBS letters

authors： Kang MG,Felix R,Campbell KP

更新日期：2002-09-25 00:00:00