Import of a mitochondrial presequence into P. denitrificans. Insight into the evolution of protein transport.

abstract：:The effect of increasing low density lipoprotein (LDL) concentrations on the synthesis of basement membrane components was investigated in proliferating porcine aortic endothelial cells (PAEC) in culture. Basement membrane-associated heparan sulfate proteoglycan (HSPG) and fibronectin were determined by enzyme immunoa...

journal_title：FEBS letters

authors： Olgemöller B,Schleicher ED,Schwaabe S,Guretzki HJ,Gerbitz KD

更新日期：1990-05-07 00:00:00

abstract：:The prohormone convertase PC2 is one of the major subtilisin/kexin-like enzymes responsible for the formation of small bioactive peptides in neural and endocrine cells. This convertase is unique among the members of the subtilisin/kexin-like mammalian serine proteinase family in that it undergoes zymogen processing of...

journal_title：FEBS letters

authors： Benjannet S,Mamarbachi AM,Hamelin J,Savaria D,Munzer JS,Chrétien M,Seidah NG

更新日期：1998-05-22 00:00:00

abstract：:Stimulated neutrophils exhibit coordinated sinusoidal oscillations in filamentous actin content and cellular shape. We investigated the effect of inhibition of the small G protein Rho on neutrophil actin polymerization, shape changes and oscillations using a genetically engineered toxin that enters cells and selective...

journal_title：FEBS letters

authors： Ehrengruber MU,Boquet P,Coates TD,Deranleau DA

更新日期：1995-09-25 00:00:00

abstract：:The effort to understand the mechanism of uncoupling by UCP has devolved into two models - the fatty acid protonophore model and the proton buffering model. Evidence for each hypothesis is summarized and evaluated. We also evaluate the obligatory requirement for fatty acids in UCP1-mediated uncoupling and the question...

journal_title：FEBS letters

authors： Garlid KD,Jabůrek M,Jezek P

更新日期：1998-10-30 00:00:00

abstract：:Highly purified mitochondria from potato (Solanum tuberosum L. cv. Bintje) tubers were subfractionated into a matrix fraction, an inner membrane fraction and an outer membrane fraction with minimal cross-contamination. When the matrix and inner membrane fractions were incubated with [gamma-32P]ATP only one and three p...

journal_title：FEBS letters

authors： Pical C,Fredlund KM,Petit PX,Sommarin M,Møller IM

更新日期：1993-12-27 00:00:00

abstract：:Elongation factor Tu (EF-Tu) is the most abundant protein in prokaryotic cells. Its general function in protein biosynthesis is well established. It is a member of the large family of G-proteins, all of which bind guanosine phosphates (GDP or GTP) as cofactors. In its active GTP bound state EF-Tu binds aminoacylated t...

journal_title：FEBS letters

authors： Nissen P,Reshetnikova L,Siboska G,Polekhina G,Thirup S,Kjeldgaard M,Clark BF,Nyborg J

更新日期：1994-12-19 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：:Structure/function relationships in troponin C are studied with vertebrate fast-twitch fibers by exchanging the skeletal troponin C with two bacterially synthesized recombinant proteins designed by site-directed mutagenesis of cardiac troponin C. One mutant (CBM1) contained an additional active site, by deleting Val-2...

journal_title：FEBS letters

authors： Gulati J,Babu A,Putkey JA

更新日期：1989-05-08 00:00:00

abstract：:In order to investigate oxysterol-mediated effects on the biliary system, we studied the effects of cholestan-3beta,5alpha,6beta-triol (TriolC) and 7-ketocholesterol (7KC) on gallbladder epithelial cells. We compared their cell proliferation effects in cultured dog gallbladder epithelial cells (DGBE) to their effects ...

journal_title：FEBS letters

authors： Yoshida T,Klinkspoor JH,Kuver R,Wrenn SP,Kaler EW,Lee SP

更新日期：2000-07-28 00:00:00

abstract：:We examined the effects of histidine residues that were artificially introduced into complementarity-determining regions of antibodies on antigen-antibody interactions at different pH values. Using a monoclonal antibody specific for hen egg-white lysozyme and three mutant antibodies that contained a histidine residue,...

journal_title：FEBS letters

authors： Ito W,Sakato N,Fujio H,Yutani K,Arata Y,Kurosawa Y

更新日期：1992-08-31 00:00:00

abstract：:To date the only tRNAs containing nucleosides modified with a selenium (5-carboxymethylaminomethyl-2-selenouridine and 5-methylaminomethyl-2-selenouridine) have been found in bacteria. By using tRNA anticodon-stem-loop fragments containing S2U, Se2U, or geS2U, we found that in vitro tRNA 2-selenouridine synthase (SelU...

journal_title：FEBS letters

authors： Sierant M,Leszczynska G,Sadowska K,Komar P,Radzikowska-Cieciura E,Sochacka E,Nawrot B

更新日期：2018-07-01 00:00:00

abstract：:miRNAs play a number of roles in bone, including mediating the pathological effects of inflammation. Here, we found that miR-33a-5p expression was significantly increased after TNF-α treatment during BMP-2-induced osteogenic differentiation of hBMSCs. Luciferase reporter assays and western blotting demonstrated that s...

journal_title：FEBS letters

authors： Mi W,Shi Q,Chen X,Wu T,Huang H

更新日期：2016-02-01 00:00:00

abstract：:In order to identify physiological activators of proteinase-activated receptor-2 (PAR-2), a peptide chloromethane inhibitor (biotinyl-Ser-Lys-Gly-Arg-CH2Cl) based on the cleavage site for activation of PAR-2 was synthesised and tested with 12 trypsin-like serine proteinases. The second-order rate constant (ki/Ki) for ...

journal_title：FEBS letters

authors： Fox MT,Harriott P,Walker B,Stone SR

更新日期：1997-11-17 00:00:00

abstract：:As part of a search for selective, mechanism-based covalent inhibitors of human pancreatic α-amylase we describe the chemoenzymatic synthesis of the disaccharide analog α-glucosyl epi-cyclophellitol, demonstrate its stoichiometric reaction with human pancreatic α-amylase and evaluate the time dependence of its inhibit...

journal_title：FEBS letters

authors： Caner S,Zhang X,Jiang J,Chen HM,Nguyen NT,Overkleeft H,Brayer GD,Withers SG

更新日期：2016-04-01 00:00:00

abstract：:A peptide reproducing the G-H loop amino acid sequence of foot-and-mouth disease virus VP1 protein was fused to the solvent-exposed C-terminus of the bacteriophage P22 tailspike protein [Carbonell and Villaverde (1996) Gene, in press], a homotrimeric polypeptide with a strong beta-helical structure. This fusion does n...

journal_title：FEBS letters

authors： Carbonell X,Benito A,Villaverde A

更新日期：1996-11-18 00:00:00

abstract：:Heat shock (44 degrees C for 10 min) or ATP depletion by an uncoupler (CCCP for 20 min) is shown to result in stimulation of hsp68/70 synthesis in Ehrlich tumor cells. After 3 h of recovery, the cells become thermotolerant. Surprisingly, repeated ATP depletion caused by CCCP or rotenone (a respiratory inhibitor) treat...

journal_title：FEBS letters

authors： Gabai VL,Kabakov AE

更新日期：1993-08-02 00:00:00

abstract：:The immunosuppressive agent FK-506 has received much attention due to its efficacy and potency in the areas of transplant rejection and autoimmune disease. Calcineurin, a Ca(2+)-calmodulin activated phosphatase, was recently implicated in the immunosuppressive mechanism of FK-506. In our ongoing search for superior im...

journal_title：FEBS letters

authors： Kawai M,Lane BC,Hsieh GC,Mollison KW,Carter GW,Luly JR

更新日期：1993-01-25 00:00:00

abstract：:Pro-apoptotic functions of the BH3-only protein BAD are negatively regulated by survival signal-mediated phosphorylation at several serine residues. Recently, we found that the mutant BAD (BADD119G) with an amino acid substitution of Asp (Asp119 to Gly) within the BH3 domain displays strong pro-apoptotic activity in s...

journal_title：FEBS letters

authors： Adachi M,Zhang YB,Imai K

更新日期：2003-09-11 00:00:00

abstract：:The bcl-2 gene is an important antagonist of apoptosis, the programmed cell death. Bcl-2 is highly expressed in a variety of lymphomas. Lymphocytes of patients with chronic lymphocytic leukemia (CLL) express high amounts of bcl-2 even in the absence of the t(14;18) translocation, resulting in a strong resistance towar...

journal_title：FEBS letters

authors： Körner I,Weber-Nordt R,Pfaff P,Finke J

更新日期：1997-04-07 00:00:00

abstract：:Mitochondrial fatty acid synthesis is catalyzed by a dissociated fatty acid synthase similar to those of plant plastids and bacteria. The crystal structure of a mitochondrial beta-ketoacyl-[acyl carrier protein] synthase (mtKAS), namely that from Arabidopsis thaliana, has been determined for the first time. This enzym...

journal_title：FEBS letters

authors： Olsen JG,Rasmussen AV,von Wettstein-Knowles P,Henriksen A

更新日期：2004-11-05 00:00:00

abstract：:Uroguanylin, a member of the guanylin peptide family, is a novel peptide regulator for intestinal salt and water transport. A cDNA encoding a precursor for rat uroguanylin was cloned from a rat jejunum cDNA library and sequenced. The precursor was 106 amino acids long and included a 21 residue putative signal peptide ...

journal_title：FEBS letters

authors： Miyazato M,Nakazato M,Matsukura S,Kangawa K,Matsuo H

更新日期：1996-12-02 00:00:00

abstract：:Two synthetic photoactive azidoarylphosphatidylcholines were used to investigate the level of interaction between D-beta-hydroxybutyrate apodehydrogenase (apoBDH), an amphipathic membrane protein, with the hydrophobic domain of phospholipids. The two synthetic lecithins, PL I (1-myristoyl-2-12-N-(4-azido-2-nitrophenyl...

journal_title：FEBS letters

authors： el Kebbaj MS,Berrez JM,Lakhlifi T,Morpain C,Latruffe N

更新日期：1985-03-11 00:00:00

abstract：:The ability of the Escherichia coli single-stranded DNA-binding protein (SSB) to recognize structural features associated with intramolecular triplex formation in oligopurine.oligopyrimidine (pur.pyr) inserts in recombinant plasmids was evaluated. The SSB protein binds to supercoiled plasmids and causes a site-prefere...

journal_title：FEBS letters

authors： Klysik J,Shimizu M

更新日期：1993-11-01 00:00:00

abstract：:A new mutant alpha-1-antichymotrypsin (variant ACT) was found by direct sequencing and PCR-single strand conformation polymorphism (PCR-SSCP). This variant ACT was a point mutation of exon V of ACT, with the substitution of Met by Val. Four out of six individuals with this variant ACT had occlusive-cerebrovascular dis...

journal_title：FEBS letters

authors： Tsuda M,Sei Y,Yamamura M,Yamamoto M,Shinohara Y

更新日期：1992-06-08 00:00:00

abstract：:Multidrug transporters are involved in mediating the failure of chemotherapy in treating several serious diseases. The archetypal multidrug transporter P-glycoprotein (P-gp) confers resistance to a large number of chemically and functionally unrelated anti-cancer drugs by mediating efflux from cancer cells. The abilit...

journal_title：FEBS letters

authors： Callaghan R,Ford RC,Kerr ID

更新日期：2006-02-13 00:00:00

abstract：:MiR-140 is a microRNA specially involved in chondrogenesis and osteoarthritis pathogenesis. However, its transcriptional regulation and target genes in cartilage development are not fully understood. Here we detected that miR-140 was uniquely expressed in chondrocyte and suppressed by Wnt/β-catenin signalling. The miR...

journal_title：FEBS letters

authors： Yang J,Qin S,Yi C,Ma G,Zhu H,Zhou W,Xiong Y,Zhu X,Wang Y,He L,Guo X

更新日期：2011-10-03 00:00:00

abstract：:The alpha-subunit of the TRAP complex (TRAP alpha) is a single-spanning membrane protein of the endoplasmic reticulum (ER) which is found in proximity of nascent polypeptide chains translocating across the membrane. Here, we demonstrate the widespread occurrence of TRAP alpha in eukaryotes as indicated by its existenc...

journal_title：FEBS letters

authors： Hartmann E,Prehn S

更新日期：1994-08-08 00:00:00

abstract：:Membrane incorporation and aggregation of the peptide alamethicin have been investigated as a function of lipid type. Head group and acyl chain regions both contribute to modulate alamethicin incorporation. Specifically, the peptide prefers thin membranes and saturated chains; incorporation is reduced by the presence ...

journal_title：FEBS letters

authors： Stankowski S,Schwarz G

更新日期：1989-07-03 00:00:00

abstract：:The chloroplast inner envelope translocon subunit Tic110 is imported via a soluble stromal translocation intermediate. In this study an in-organellar import system is established which allows for an accumulation of this intermediate in order to analyze its requirements for reexport. All results demonstrate that the re...

journal_title：FEBS letters

authors： Vojta L,Soll J,Bölter B

更新日期：2007-06-12 00:00:00

abstract：:In mammalian cells, the Bcl-2 and Bcl-x(L) proteins suppress programmed cell death whereas the topographically similar Bax protein accelerates the apoptotic process. Recently published data suggest that expression of the human Bax-alpha gene is lethal for the yeast Saccharomyces cerevisiae and that this toxicity can b...

journal_title：FEBS letters

authors： Greenhalf W,Stephan C,Chaudhuri B

更新日期：1996-02-12 00:00:00