Werner syndrome protein associates with gamma H2AX in a manner that depends upon Nbs1.

abstract：:Antifungal activity has been associated with 2 immunochemically distinct proteins, protein R and S (Mr approximately 23 kDa; pI 9-10), which were isolated in pure form from barley grain. The proteins are homologous with thaumatin- and pathogenesis-related proteins of the PR5 family. The proteins inhibit growth of i.a....

journal_title：FEBS letters

authors： Hejgaard J,Jacobsen S,Svendsen I

更新日期：1991-10-07 00:00:00

abstract：:A change in the conformational plasticity of α-Synuclein (α-Syn) is hypothesised to be a key step in the pathogenic mechanism of Parkinson's disease (PD). Here, we report the study of extracellular α-Syn interaction with whole cells and membranes isolated from the neuronal SH-SY5Y cells, exploiting NMR and CD spectros...

journal_title：FEBS letters

authors： Smaldone G,Diana D,Pollegioni L,Di Gaetano S,Fattorusso R,Pedone E

更新日期：2015-03-24 00:00:00

abstract：:The temperature dependence of the rate constants of the univalent redox steps YzoxSi----YzSi + 1 (i = 0,1,2) and YzoxS3----(YzS4)----YzSo + O2 in the water oxidase was investigated by measuring time resolved absorption changes at 355 nm induced by a laser flash train in dark adapted PS II membrane fragments from spina...

journal_title：FEBS letters

authors： Renger G,Hanssum B

更新日期：1992-03-24 00:00:00

abstract：:The interaction of bovine pancreatic trypsin inhibitor (BPTI) and bovine tryptase, which are co-localized in the same granules of bovine mast cells, has been analyzed at 30 degrees C in 0.1 M Tris-HCl, pH 8.0. The analysis has unravelled that the functional unit of bovine tryptase is formed of (at least) four binding ...

journal_title：FEBS letters

authors： Fiorucci L,Erba F,Coletta M,Ascoli F

更新日期：1995-04-17 00:00:00

abstract：:Gastric H+,K+-ATPase activity is not affected by Na+ at pH 7.0 but is significantly stimulated by Na+ at pH 8.5. For the stimulation at the latter pH, the presence of both Na+ and K+ were essential. Contrary the H+,K+-ATPase, the associated K+-pNPPase was inhibited by Na+ at both pH values. Sodium competes with K+ for...

journal_title：FEBS letters

authors： Ray TK,Nandi J

更新日期：1985-06-03 00:00:00

abstract：:Periplasmic adaptor proteins are essential components of bacterial tripartite multidrug efflux pumps. Here we report the 2.35 Å resolution crystal structure of the BesA adaptor from the spirochete Borrelia burgdorferi solved using selenomethionine derivatized protein. BesA shows the archetypal linear, flexible, multi-...

journal_title：FEBS letters

authors： Greene NP,Hinchliffe P,Crow A,Ababou A,Hughes C,Koronakis V

更新日期：2013-09-17 00:00:00

abstract：:A technique has been developed to probe directly RecA-DNA interactions by the use of the fluorescent chromophore, (+)anti-benzo(a)pyrene-7,8-dihydrodiol-9,10-epoxide (BPDE), covalently attached to DNA. The 24-mer oligonucleotide 5'-d(CTACTAAACATGTACAAATCATCC) was specifically modified on the exocyclic nitrogen of the ...

journal_title：FEBS letters

authors： Wittung P,Funk M,Jernström B,Nordén B,Takahashi M

更新日期：1995-07-10 00:00:00

abstract：:While many antimicrobial peptides (AMPs) disrupt bacterial membranes, some translocate into bacteria and interfere with intracellular processes. Buforin II and DesHDAP1 are thought to kill bacteria by interacting with nucleic acids. Here, molecular modeling and experimental measurements are used to show that neither n...

journal_title：FEBS letters

authors： Sim S,Wang P,Beyer BN,Cutrona KJ,Radhakrishnan ML,Elmore DE

更新日期：2017-03-01 00:00:00

abstract：:Signaling via G-protein coupled receptors is initiated by receptor-catalyzed nucleotide exchange on Galpha subunits normally bound to GDP and Gbetagamma. Activated Galpha . GTP then regulates effectors such as adenylyl cyclase. Except for Gbetagamma, no known regulators bind the adenylyl cyclase-stimulatory subunit Ga...

journal_title：FEBS letters

authors： Johnston CA,Ramer JK,Blaesius R,Fredericks Z,Watts VJ,Siderovski DP

更新日期：2005-10-24 00:00:00

abstract：:Affinity labelling of pancreatic RNase with 4-(N-2-chloroethyl-N-methylamino)benzylamide and (N----P) N-methylimidazolide of d(pTpA) results in the formation of monomodified enzyme derivatives retaining partially enzymatic activity. These data together with some cases described in the literature are considered as sugg...

journal_title：FEBS letters

authors： Knorre DG,Buneva VN,Baram GI,Godovikova TS,Zarytova VF

更新日期：1986-01-01 00:00:00

abstract：:gamma-Thrombin stimulated release of [3H]arachidonic acid ([3H]AA) accompanied by a significant production of PAF and lyso-PAF by rabbit platelets. These responses, which reflect PLA2 activation, were observed after a prolonged lag and to a lower extent when compared to those induced by alpha-thrombin which evoked a m...

journal_title：FEBS letters

authors： Touqui L,Jandrot-Perrus M,Vargaftig BB

更新日期：1989-09-25 00:00:00

abstract：:Incubation of adipocytes with 125I-insulin plus leupeptin or monensin, but not chloroquine, resulted in the appearance of a novel peak of 125I-insulin (modal density about 1.20 g/ml) on density gradient centrifugation; the appearance of the peak depended on the presence of specific insulin receptors on the cell surfac...

journal_title：FEBS letters

authors： Jeffrey IW,Flint DJ,Vernon RG,Mayer RJ

更新日期：1985-03-25 00:00:00

abstract：:The role of Shine-Dalgarno-like sequences in mRNAs from higher plant chloroplasts has not been analyzed experimentally so far. In vitro translation analysis has revealed that the Shine-Dalgarno-like sequence is essential for translation of tobacco chloroplast rps14 mRNA. Two RNA editing sites have been identified in t...

journal_title：FEBS letters

authors： Hirose T,Kusumegi T,Sugiura M

更新日期：1998-07-03 00:00:00

abstract：:F0F1 ATP synthases are the smallest rotary motors in nature and work as ATP factories in bacteria, plants and animals. Here we report on the first observation of intersubunit rotation in fully coupled single F0F1 molecules during ATP synthesis or hydrolysis. We investigate the Na+-translocating ATP synthase of Propion...

journal_title：FEBS letters

authors： Kaim G,Prummer M,Sick B,Zumofen G,Renn A,Wild UP,Dimroth P

更新日期：2002-08-14 00:00:00

abstract：:In PC12 cells, cAMP stimulates the MAP kinase pathway by an unknown mechanism. Firstly, we examined the role of calcium ion mobilization and of protein kinase C in cAMP-stimulated MAP kinase activation. We show that cAMP stimulates p44mapk independently of these events. Secondly, we studied the role of B-Raf in this p...

journal_title：FEBS letters

authors： Peraldi P,Frödin M,Barnier JV,Calleja V,Scimeca JC,Filloux C,Calothy G,Van Obberghen E

更新日期：1995-01-09 00:00:00

abstract：:Chemical modification of lysine residues in glucose oxidase was carried out using citraconic anhydride. Modification brought about changes in the kinetic properties of the enzyme as evident by substantial lowering of V(max) and K(m). Enhancement of tryptophan fluorescence was observed with a dramatic change in its pH ...

journal_title：FEBS letters

authors： Hosseinkhani S,Ranjbar B,Naderi-Manesh H,Nemat-Gorgani M

更新日期：2004-03-12 00:00:00

abstract：:Moloney murine leukemia virus reverse transcriptase (RT) selectively uses deoxyribonucleotides over ribonucleotides (rNTPs) as substrates. Substitution of F155 with valine (F155V) was previously found to increase the enzyme's affinity for rNTPs, though without affecting the V(max) for catalysis, and thereby conferred ...

journal_title：FEBS letters

authors： Liu S,Goff SP,Gao G

更新日期：2006-02-20 00:00:00

abstract：:In the bovine ovary there is a delay of 4-6 days between the observed maximum of oxytocin mRNA and the peak in the luteal levels of oxytocin nonapeptide. This implies a maturation process involving components of the post-translational processing pathway. In situ hybridization shows the oxytocin gene to be transcribed ...

journal_title：FEBS letters

authors： Fehr S,Ivell R,Koll R,Schams D,Fields M,Richter D

更新日期：1987-01-01 00:00:00

abstract：:In bacterial polypeptide synthesis aminoacyl-tRNA (aa-tRNA) bound to elongation factor Tu (EF-Tu) and GTP is part of a crucial intermediate ribonucleoprotein complex involved in the decoding of messenger RNA. The conformation and topology as well as the affinity of the macromolecules in this ternary aa-tRNA X EF-Tu X ...

journal_title：FEBS letters

authors： Faulhammer HG,Joshi RL

更新日期：1987-06-15 00:00:00

abstract：:Connexins are transmembrane proteins that form gap junction- and hemi-channels. Once inserted into the membrane, hemi-channels (connexons) allow for diffusion of ions and small molecules (<1 kDa) between the extracellular space and the cytosol. Gap junction channels allow diffusion of similar molecules between the cyt...

journal_title：FEBS letters

authors： Meens MJ,Sabine A,Petrova TV,Kwak BR

更新日期：2014-04-17 00:00:00

abstract：:Gustatory papillae and associated taste buds receive and process chemical information from the environment. In mammals, their development takes place during the late phase of embryogenesis. However, the cellular factors that regulate the differentiation of taste papillae remain largely unknown. Here, we show by quanti...

journal_title：FEBS letters

authors： Ortíz-Alvarado R,Guzmán-Quevedo O,Mercado-Camargo R,Haertle T,Vignes C,Bolaños-Jiménez F

更新日期：2006-10-02 00:00:00

abstract：:The complete primary structure (967 amino acids) of an intestinal human aminopeptidase N (EC 3.4.11.2) was deduced from the sequence of a cDNA clone. Aminopeptidase N is anchored to the microvillar membrane via an uncleaved signal for membrane insertion. A domain constituting amino acid 250-555 positioned within the c...

journal_title：FEBS letters

authors： Olsen J,Cowell GM,Kønigshøfer E,Danielsen EM,Møller J,Laustsen L,Hansen OC,Welinder KG,Engberg J,Hunziker W

更新日期：1988-10-10 00:00:00

abstract：:The rapid conversion of the carotenoid violaxanthin to zeaxanthin via antheraxanthin (xanthophyll cycle) in potato leaves exposed at 23 degrees C to a strong white light of 2000 microE.m-2.s-1 was associated with a slight inhibition of photosynthetic electron transport (as estimated from chlorophyll fluorescence measu...

journal_title：FEBS letters

authors： Sarry JE,Montillet JL,Sauvaire Y,Havaux M

更新日期：1994-10-17 00:00:00

abstract：:Alternative splicing of the Alzheimer's amyloid beta protein precursor (ABPP) message leads to the production of several variants of this precursor polypeptide. Two of these variants contain a domain that is highly homologous to members of the Kunitz class of protease inhibitors. In order to initiate a study of the ph...

journal_title：FEBS letters

authors： Castro M,Marks CB,Nilsson B,Anderson S

更新日期：1990-07-16 00:00:00

abstract：:Analysis of the amino acid sequence of bovine brain myelin proteolipid reveals not only extensive internal homology, but also homology with portions of the myelin basic protein, the peripheral nerve myelin protein, Po, and with the small proteolipid subunit of mitochondrial ATP synthase. These results suggest that the...

journal_title：FEBS letters

authors： Laursen RA,Samiullah M,Lees MB

更新日期：1983-09-05 00:00:00

abstract：:A variety of plant tissues contain an uncoupling mitochondrial protein (PUMP), recently described and characterized by our group. In this study we show that the inhibition of PUMP activity in potato tuber mitochondria significantly increases mitochondrial H2O2 generation, while PUMP substrates, such as linoleic acid, ...

journal_title：FEBS letters

authors： Kowaltowski AJ,Costa AD,Vercesi AE

更新日期：1998-03-27 00:00:00

abstract：:The ABCG2 protein has a key role in the transport of a wide range of structurally dissimilar endo- and xenobiotics in the human body, especially in the tissue barriers and the metabolizing or secreting organs. The human ABCG2 gene harbors a high number of polymorphisms and mutations, which may significantly modulate i...

journal_title：FEBS letters

authors： Sarkadi B,Homolya L,Hegedűs T

更新日期：2020-10-04 00:00:00

abstract：:The pH dependence of spin-spin coupling constants J (P-O-P) of ADP and ATP has been determined from the phosphorus NMR spectra at 0 degrees. The variation curves have been interpreted as titration curves. These give different pK values. Comparison with the tripolyphosphate shows the existence of triphosphate chain str...

journal_title：FEBS letters

authors： Ellenberger M,Brehamet L,Villemin M,Toma F

更新日期：1970-06-01 00:00:00

abstract：:For more than three decades, RNA recombination remained a puzzle and has only begun to be solved in the last few years. The available data provide evidence for a variety of RNA recombination mechanisms. Non-homologous recombination seems to be the most common for RNA. Recent experiments in both the in vitro and the in...

journal_title：FEBS letters

authors： Chetverin AB

更新日期：1999-10-22 00:00:00

abstract：:Phenylalanine ammonia-lyase immobilized within semipermeable microcapsules has an assayed enzyme activity which is 20% +/- 4% of the enzyme in free solution. The Km for the immobilized enzyme remained the same as that of the free enzyme. The pH optimum also remained unchanged at pH 8.5 +/- 1.0. At the lower pH range, ...

journal_title：FEBS letters

authors： Bourget L,Chang TM

更新日期：1985-01-21 00:00:00