Disulfide bridge reorganization induced by proline mutations in maurotoxin.

abstract：:The gamma subunit of the F1 moiety of the bovine mitochondrial H(+)-ATP synthase is shown to function as a component of the gate. Addition of purified gamma subunit to F0-liposomes inhibits transmembrane proton conduction. This inhibition can be removed by the bifunctional thiol reagent diamide. Immunoblot analysis sh...

journal_title：FEBS letters

authors： Papa S,Guerrieri F,Zanotti F,Fiermonte M,Capozza G,Jirillo E

更新日期：1990-10-15 00:00:00

abstract：:The rate of mitochondrial ATPase inactivation by the naturally occurring inhibitor protein in the presence of saturating ATP and Mg2+ at pH 8.0 depends hyperbolically on the amount of inhibitor added; the upper limit of an apparent first-order constant for the inactivation process is 1.0(-1) at 25 degrees C. A dramati...

journal_title：FEBS letters

authors： Panchenko MV,Vinogradov AD

更新日期：1985-05-20 00:00:00

abstract：:In higher eukaryotes the hypermodified guanine analogue, queuine (7-(5-[(1S,4S,5R)-4,5-dihydroxy-2-cyclopentene-1-yl) amino)-methyl)-7-deazaguanine), occurs free or as modified nucleoside (Q) in the anticodon of specific tRNAs. Fast proliferating tissues and tumors contain considerable amounts of free queuine and Q-de...

journal_title：FEBS letters

authors： Langgut W,Kersten H

更新日期：1990-06-04 00:00:00

abstract：:A phylogenetic analysis, using the open reading frame I sequence of 93 TT viruses (TTV) obtained from various geographical areas, indicated that the virus could be classified into six different genotypes including three hitherto unreported genotypes. The high reliability of the six clusters was confirmed by bootstrap ...

journal_title：FEBS letters

authors： Tanaka Y,Mizokami M,Orito E,Ohno T,Nakano T,Kato T,Kato H,Mukaide M,Park YM,Kim BS,Ueda R

更新日期：1998-10-23 00:00:00

abstract：:Three major UDP-glucuronyltransferase isoenzymes (50-54 kDa) have been identified by immunoblot analysis. Bilirubin UDP-glucuronyltransferase (54 kDa) was specially induced by treatment of the rats with clofibrate. This isoenzyme was not detectable in liver microsomal extracts from congenitally jaundiced Gunn rats and...

journal_title：FEBS letters

authors： Scragg I,Celier C,Burchell B

更新日期：1985-04-08 00:00:00

abstract：:The matrix protein M of Borna disease virus (BDV) is a constituent of the viral envelope covering the inner leaflet of the lipid bilayer. BDV-M was expressed as recombinant protein in Escherichia coli, purified to homogeneity and structurally analyzed. Recombinant M (i) forms non-covalently bound multimers with a Stok...

journal_title：FEBS letters

authors： Kraus I,Bogner E,Lilie H,Eickmann M,Garten W

更新日期：2005-05-09 00:00:00

abstract：:The roles of 2'-OH groups in the binding of mRNA to human ribosomes were studied using site-directed cross-linking. We found that both mRNA and mDNA analogues bearing a cross-linker can modify ribosomal proteins (rps) S3e and S2e at the mRNA entry site independently on tRNA presence, but only mRNA analogues were capab...

journal_title：FEBS letters

authors： Graifer D,Zhigailov A,Ven'yaminova A,Malygin A,Iskakov B,Karpova G

更新日期：2012-10-19 00:00:00

abstract：:Peptic digestion of bovine hemoglobin yields a fragment with antibacterial activity. This peptide was purified to homogeneity by a two-step procedure including anion exchange chromatography and preparative reversed-phase HPLC. Mass determination and fragmentation indicated that this peptide corresponded to the 1-23 fr...

journal_title：FEBS letters

authors： Froidevaux R,Krier F,Nedjar-Arroume N,Vercaigne-Marko D,Kosciarz E,Ruckebusch C,Dhulster P,Guillochon D

更新日期：2001-02-23 00:00:00

abstract：:The maximal activities of the key glycolytic enzymes hexokinase and 6-phosphofructokinase, were reduced in brown adipose tissue in db/db mice compared to their lean littermates. Treatment of db/db mice with the thermogenic beta-adrenoceptor agonist, BRL 26830, restored normoglycaemia. The only significant increase in ...

journal_title：FEBS letters

authors： Young P,Cawthorne MA,Levy AL,Wilson K

更新日期：1984-10-15 00:00:00

abstract：:Apoferritin has been selectively labeled with a maleimide nitroxide derivative at Cys-126, located in the hydrophilic 3-fold channels. Titration of this derivative with Fe(II), which gives rise to the initial Fe(III)-apoferritin complex, produces, at low metal-to-protein ratios, a decrease of the intensity of the labe...

journal_title：FEBS letters

authors： Desideri A,Stefanini S,Polizio F,Petruzzelli R,Chiancone E

更新日期：1991-08-05 00:00:00

abstract：:The heterogeneity of computationally predicted reaction fluxes in metabolic networks within a single flux state can be exploited to detect their significant flux backbone. Here, we disclose the backbone of Escherichia coli, and compare it with the backbones of other bacteria. We find that, in general, the core of the ...

journal_title：FEBS letters

authors： Güell O,Sagués F,Serrano MÁ

更新日期：2017-05-01 00:00:00

abstract：:Acylphosphatase (AcP) activity in prokaryotes was classically attributed to some aspecific acid phosphatases. We identified an open reading frame for a putative AcP in the b0968 Escherichia coli gene and purified the recombinant enzyme after checking by RT-PCR that it was indeed expressed. EcoAcP has a predicted typic...

journal_title：FEBS letters

authors： Ramazzotti M,Parrini C,Stefani M,Manao G,Degl'Innocenti D

更新日期：2006-12-22 00:00:00

abstract：:The effects of anaphylatoxin C3a on human neutrophils were studied in comparison with C5a. Both peptides induced a transient shape change response and a respiratory burst. In both cases C3a was 50- to 100-times less potent than C5a. A marked chemotactic response with bimodal concentration dependence was obtained with ...

journal_title：FEBS letters

authors： Ehrengruber MU,Geiser T,Deranleau DA

更新日期：1994-06-13 00:00:00

abstract：:We have studied the action of an alpha-latrotoxin (alpha-LTX) complex of two polypeptides (LTX 130 kDa and low molecular weight protein (LMWP) 8 kDa) and the action of a venom fraction containing LTX with excess LMWP on calcium influx into synaptosomes and PC12 cells as well as on [14C]GABA release from synaptosomes. ...

journal_title：FEBS letters

authors： Grishin EV,Himmelreich NH,Pluzhnikov KA,Pozdnyakova NG,Storchak LG,Volkova TM,Woll PG

更新日期：1993-12-27 00:00:00

abstract：:Three single-stranded RNA transcripts synthesized in vitro by a virion-associated RNA polymerase of bacteriophage phi 6 were sequenced at their 5'- and 3'-termini. The sequences agreed with those of the + strands of the 3 double-stranded RNA segments [FEBS Lett. (1982) 141,111-115]. The results show that the transcrip...

journal_title：FEBS letters

authors： Emori Y,Iba H,Okada Y

更新日期：1982-11-08 00:00:00

abstract：:Hypo-osmotic swelling of human Intestine 407 cells leads to a significant increase of intracellular MAPKAP-kinase 2 activity and Hsp27 phosphorylation. Pre-treatment of the cells with the p38 MAP kinase inhibitor SB-203580 blocks this activation, indicating that the hypotonicity-induced activation of MAPKAP kinase 2 i...

journal_title：FEBS letters

authors： Tilly BC,Gaestel M,Engel K,Edixhoven MJ,de Jonge HR

更新日期：1996-10-21 00:00:00

abstract：:The pathogenicities of influenza viruses and paramyxoviruses have been proposed to be primarily determined by a host cell protease(s) that activates viral infectivity by proteolytic cleavage of the envelope glycoproteins. We recently isolated a trypsin-type endoprotease, named tryptase Clara, from rat bronchial and br...

journal_title：FEBS letters

authors： Kido H,Sakai K,Kishino Y,Tashiro M

更新日期：1993-05-10 00:00:00

abstract：:The ADP(Mg2+)-deactivated oligomycin-sensitive F1-F0 ATPase of coupled submitochondrial particles treated with the substoichiometric amount of oligomycin was studied to test whether ATP synthesis and hydrolysis proceed in either direction through the same intermediates. The initial rates of ATP hydrolysis, oxidative p...

journal_title：FEBS letters

authors： Syroeshkin AV,Vasilyeva EA,Vinogradov AD

更新日期：1995-06-05 00:00:00

abstract：:We report here the synthesis of novel 5'-linked oligodeoxynucleotides, both normal phosphodiester and phosphorothioate analogs, in which a covalently attached group at the 5'-terminus is an anthraquinone. These compounds represent a new class of antisense compounds in which the base sequence of the oligodeoxynucleotid...

journal_title：FEBS letters

authors： Mori K,Subasinghe C,Cohen JS

更新日期：1989-06-05 00:00:00

abstract：:The function of the domains of Trichoderma reesei endoglucanase I (EGI) has been studied. Truncated EGI proteins were expressed from the 3'-end deleted cDNAs in the yeast Saccharomyces cerevisiae under the control of the ADC1 expression cassette. EGI protein was detected by monoclonal antibody EI-2 and EGI activity as...

journal_title：FEBS letters

authors： Aho S

更新日期：1991-10-07 00:00:00

abstract：:Posttranslational modifications of circadian oscillator components are crucial for the generation of circadian rhythms. Among those phosphorylation plays key roles ranging from regulating degradation, complex formation, subcellular localization and activity. Although most of the known clock proteins are phosphoprotein...

journal_title：FEBS letters

authors： Reischl S,Kramer A

更新日期：2011-05-20 00:00:00

abstract：:The nuclear factor NF-IL6 had been suggested to be responsible for the IL-6-mediated induction of several acute-phase proteins. To obtain evidence for the involvement of NF-IL6 in the induction of acute-phase proteins, we introduced the NF-IL6 gene and its truncated mutant (delNFIL6) gene into a hepatoma cell line Hep...

journal_title：FEBS letters

authors： Natsuka S,Isshiki H,Akira S,Kishimoto T

更新日期：1991-10-07 00:00:00

abstract：:Fibroblast growth factor 11 (FGF11) is an intracellular FGF. Although induction of FGF11 by hypoxia has been observed in several cell types, the molecular function of FGF11 is not clearly understood yet. Here, we investigated the role of FGF11 under hypoxia. We identified hypoxia-inducible factor-1α (HIF-1α) as an int...

journal_title：FEBS letters

authors： Lee KW,Yim HS,Shin J,Lee C,Lee JH,Jeong JY

更新日期：2017-01-01 00:00:00

abstract：:The capacity of incomplete segments of Escherichia coli lactose permease to form transport-competent complexes in vivo was further tested. Two series of mutant lacY genes were constructed. One encoded N-terminal lactose permease segments of different length. The proteins specified by the other group contained deletion...

journal_title：FEBS letters

authors： Wrubel W,Stochaj U,Ehring R

更新日期：1994-08-08 00:00:00

abstract：:Chicken muscular dystrophy with abnormal muscle (AM) has been studied for more than 50 years, but the gene responsible for it remains unclear. Our previous studies narrowed down the AM candidate region to approximately 1Mbp of chicken chromosome 2q containing seven genes. In this study, we performed sequence compariso...

journal_title：FEBS letters

authors： Matsumoto H,Maruse H,Inaba Y,Yoshizawa K,Sasazaki S,Fujiwara A,Nishibori M,Nakamura A,Takeda S,Ichihara N,Kikuchi T,Mukai F,Mannen H

更新日期：2008-06-25 00:00:00

abstract：:The fidelity of tRNA aminoacylation is dependent in part on amino acid editing mechanisms. A hydrolytic activity that clears mischarged tRNAs typically resides in an active site on the tRNA synthetase that is distinct from its synthetic aminoacylation active site. A second pre-transfer editing pathway that hydrolyzes ...

journal_title：FEBS letters

authors： Martinis SA,Boniecki MT

更新日期：2010-01-21 00:00:00

abstract：:Transgenically introduced laminin (LN) alpha1 chain prevents muscular dystrophy in LNalpha2 chain deficient mice. We now report increased integrin alpha7Bbeta1D synthesis in dystrophic LNalpha2 chain deficient muscle. Yet, immunofluorescence demonstrated a reduced expression of integrin alpha7B subunit at the sarcolem...

journal_title：FEBS letters

authors： Gawlik KI,Mayer U,Blomberg K,Sonnenberg A,Ekblom P,Durbeej M

更新日期：2006-03-20 00:00:00

abstract：:Glycosaminoglycans (GAGs) are complexed with plasma proteins and proteolysis of plasma reduced the protein-GAG ratio about 140-fold. After dialysis, analysis by gradient PAGE revealed heparinase-1-sensitive GAGs, thus suggesting that heparin could be among the plasma GAGs. However, after dialysis most of the plasma GA...

journal_title：FEBS letters

authors： Chevanne M,Caldini R,Manao G,Ruggiero M,Vannucchi S

更新日期：1999-12-10 00:00:00

abstract：:The possible regulation of the expression of uncoupling protein-2 (UCP2) mRNA by thyroid hormones in different tissues was examined in rats. Triiodothyronine (T3) was found to produce an organ-specific enhancement of UCP2 expression in rat tissues. The effect of T3 was markedly observed in heart, whereas a moderate ef...

journal_title：FEBS letters

authors： Lanni A,De Felice M,Lombardi A,Moreno M,Fleury C,Ricquier D,Goglia F

更新日期：1997-11-24 00:00:00

abstract：:In Alzheimer disease (AD) the microtubule associated protein (MAP) tau is hyperphosphorylated at several sites. In the present study, like AD tau, tau in the human neuroblastoma SH-SY5Y was found to be hyperphosphorylated, at Ser-199/202, Thr-231, Ser-396 and Ser-404. However, in contrast to AD, the tau in SY5Y cells ...

journal_title：FEBS letters

authors： Tanaka T,Iqbal K,Trenkner E,Liu DJ,Grundke-Iqbal I

更新日期：1995-02-20 00:00:00