Inhibition of the replication of native and 3'-azido-2',3'-dideoxythymidine (AZT)-resistant simian immunodeficiency virus (SIV) by 3-nitrosobenzamide.

abstract：:Tissue plasminogen activator was purified in high yield from pig heart by immunoaffinity chromatography and characterized by analysis of the glycosylation pattern and the N-terminal amino acid sequence. Comparisons with the human enzyme reveals residue exchanges in the A-chain at positions 3 (porcine Arg/human Gln) an...

journal_title：FEBS letters

authors： Pohl G,Jörnvall H,Kok P,Wallén P

更新日期：1986-09-01 00:00:00

abstract：:We report the effects of anticancer drugs, inhibitors of microtubule organisation, on the mitochondrial permeability transition pore (PTP) in Ehrlich ascites tumour cells. Taxol (5-20 microM) and colchicine (100-500 microM) prevented closing of the cyclosporin A-sensitive PTP. No taxol or colchicine effects on oxidati...

journal_title：FEBS letters

authors： Evtodienko YV,Teplova VV,Sidash SS,Ichas F,Mazat JP

更新日期：1996-09-09 00:00:00

abstract：:Carboxypeptidase H (CPH) is one of several processing enzymes required for the conversion of peptide hormone precursors into their smaller active forms. In this study, high levels of CPH activity was found in a liver metastasis of a human ileal carcinoid which expresses beta-preprotachykinin mRNA and the tachykinin ne...

journal_title：FEBS letters

authors： Hook VY,Affolter HU

更新日期：1988-10-10 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：:5-(1-Azidovinyl)-2'-deoxyuridine (AzVDU) and a series of 5-[1-azido-2-halogenoethyl]-derivatives of beta-D-arabinofuranosyluracil (AU) proved markedly inhibitory to the replication of herpes simplex virus type 1 (HSV-1) and varicella zoster virus (VZV), but not thymidine kinase (TK)-deficient HSV-1 and VZV strains. No...

journal_title：FEBS letters

authors： Balzarini J,Andrei G,Kumar R,Knaus EE,Wiebe LI,De Clercq E

更新日期：1995-10-02 00:00:00

abstract：:A macrophage migration inhibitory factor (MIF), originally described as a product of activated lymphocytes, has been defined as a 12 kDa protein, expressed in a wide variety of tissues. Here MIF is identified as a phenylpyruvate tautomerase (EC 5.3.2.1) having p-hydroxyphenylpyruvate and phenylpyruvate as its natural ...

journal_title：FEBS letters

authors： Rosengren E,Aman P,Thelin S,Hansson C,Ahlfors S,Björk P,Jacobsson L,Rorsman H

更新日期：1997-11-03 00:00:00

abstract：:Cellular retinoic acid binding proteins (CRABPs) bind all-trans-retinoic acid (atRA) tightly. This study aimed to determine whether atRA is channeled directly to cytochrome P450 (CYP) CYP26B1 by CRABPs, and whether CRABPs interact directly with CYP26B1. atRA bound to CRABPs (holo-CRABP) was efficiently metabolized by ...

journal_title：FEBS letters

authors： Nelson CH,Peng CC,Lutz JD,Yeung CK,Zelter A,Isoherranen N

更新日期：2016-08-01 00:00:00

abstract：:The bipartite human interleukin-4 (IL-4) receptor was functionally expressed in murine pro-B cells and activated by human IL-4 to evoke intracellular signaling. Mutual association of signal transducing proteins within the receptor complex was then studied in dependence of ligand stimulation. Besides ligand-induced rec...

journal_title：FEBS letters

authors： Erhardt I,Lischke A,Sebald W,Friedrich K

更新日期：1998-11-13 00:00:00

abstract：:Regulation of acetylcholine receptor (AChR) gene expression was analyzed in alpha-bungarotoxin (alpha-BTX) treated rats. A reduction in available 125I-alpha-BTX binding sites was accompanied by an increase in the various AChR transcripts. The increase in the AChR alpha-, beta- epsilon- and delta-subunit mRNAs was simi...

journal_title：FEBS letters

authors： Asher O,Provenzano C,Fuchs S

更新日期：1991-05-06 00:00:00

abstract：:An electrometric technique was used to investigate electron transfer between spinach plastocyanin (Pc) and photooxidized primary electron donor P700 in photosystem I (PS I) complexes from the cyanobacterium Synechocystis sp. PCC 6803. In the presence of Pc, the fast unresolvable kinetic phase of membrane potential gen...

journal_title：FEBS letters

authors： Mamedov MD,Mamedova AA,Chamorovsky SK,Semenov AY

更新日期：2001-07-06 00:00:00

abstract：:For almost 30 years, Wnt proteins have been known as key regulators of many developmental decisions, including the formation of the embryonic axes, patterning of the CNS, limb bud outgrowth and segment polarity. However, live cell imaging of active Wnt proteins was rarely reported. Here, we have generated a Wnt2b-EGFP...

journal_title：FEBS letters

authors： Holzer T,Liffers K,Rahm K,Trageser B,Ozbek S,Gradl D

更新日期：2012-06-04 00:00:00

abstract：:The cDNA coding for mature human alpha 1-proteinase inhibitor (alpha 1-PI) has been inserted into a variety of yeast expression vectors. Yeast cells transformed with these plasmids were then assayed for the production of mature, unglycosylated alpha 1-PI. The production level is optimal when the recombinant plasmid ca...

journal_title：FEBS letters

authors： Hoylaerts M,Weyens A,Bollen A,Harford N,Cabezón T

更新日期：1986-08-11 00:00:00

abstract：:Recombinant expression of the large alternansucrase (2057 amino acids) was hindered in E. coli due to poor enzyme solubility and protein degradation. The effects of deletions of the alternansucrase C-terminal CW-like and APY repeated motifs on enzyme solubility and specificity were investigated. A truncated variant de...

journal_title：FEBS letters

authors： Joucla G,Pizzut S,Monsan P,Remaud-Simeon M

更新日期：2006-02-06 00:00:00

abstract：:Hydrogen/deuterium (H/D) exchange measurements in low and moderate concentrations of GuHCI were conducted on the side chain H(N) atoms of the seven tryptophans of pseudo wild-type human carbonic anhydrase II. Tryptophans 5, 16 and 245, situated in or close to the N-terminal domain were found to have little protection ...

journal_title：FEBS letters

authors： Jonasson P,Kjellsson A,Sethson I,Jonsson BH

更新日期：1999-02-26 00:00:00

abstract：:Colneleic acid (9-[1'(E),3'(Z)-nonadienyloxy]-8(E)-nonenoic acid) is produced from linoleic acid by the sequential action of 9-lipoxygenase and divinyl ether synthase. We demonstrate that a small fraction of the colneleic acid in potato tubers is esterified in phospholipids. This colneleic acid was released by chemica...

journal_title：FEBS letters

authors： Fauconnier ML,Williams TD,Marlier M,Welti R

更新日期：2003-03-13 00:00:00

abstract：:The substrate activation behaviour of pyruvate decarboxylase from germinating seeds of Pisum sativum is characterised kinetically via stopped-flow measurements and discussed with respect to other species. The involvement of SH-groups in this process is demonstrated by reference experiments with chemically modified enz...

journal_title：FEBS letters

authors： Dietrich A,König S

更新日期：1997-01-02 00:00:00

abstract：:Sodium azide inhibited multi-site (steady-state) ATPase activity of E. coli F1 more than 90%, but did not affect uni-site (single-site) ATPase activity. Thus azide inhibited multi-site ATPase activity by lowering catalytic cooperativity. Consistent with this observation, azide changed the ligand-induced fluorescence r...

journal_title：FEBS letters

authors： Noumi T,Maeda M,Futai M

更新日期：1987-03-23 00:00:00

abstract：:RNA molecules have been found to play important roles in DNA double-strand break (DSB) repair, but the exact underlying mechanism remains unclear. Here, we aimed to clarify the function of RNase L, an important ribonuclease in the immune system of vertebrates, in DSB repair. Knockdown of RNase L reduces cell survival ...

journal_title：FEBS letters

authors： Zhong Y,Pan B,Zhu J,Fu H,Zheng X

更新日期：2019-06-01 00:00:00

abstract：:Biotic and abiotic stress induces the formation of galactolipids esterified with the phytohormones 12-oxo-phytodienoic acid (OPDA) and dinor-oxo-phytodienoic acid (dnOPDA) in Arabidopsis thaliana. The biosynthetic pathways of free (dn)OPDA is well described, but it is unclear how they are incorporated into galactolipi...

journal_title：FEBS letters

authors： Nilsson AK,Fahlberg P,Ellerström M,Andersson MX

更新日期：2012-07-30 00:00:00

abstract：:Several blood-feeding organisms, including the malaria parasite detoxify haem released from host haemoglobin by conversion to the insoluble crystalline ferriprotoporphyrin IX dimer known as haemozoin. To date the mechanism of haemozoin formation has remained unknown, although lipids or proteins have been suggested to ...

journal_title：FEBS letters

authors： Egan TJ,Chen JY,de Villiers KA,Mabotha TE,Naidoo KJ,Ncokazi KK,Langford SJ,McNaughton D,Pandiancherri S,Wood BR

更新日期：2006-09-18 00:00:00

abstract：:Annexin V is an alpha-helical protein which shows anticoagulatory and antiinflammatory activity. It is supposed to be involved in membrane fusion and exocytosis. In this study acid-induced equilibrium unfolding of the human annexin V is investigated by fluorescence and circular dichroism spectroscopy. The spectroscopi...

journal_title：FEBS letters

authors： Beermann ofm cap BB,Hinz HJ,Hofmann A,Huber R

更新日期：1998-02-20 00:00:00

abstract：:The dependence of CMP-N-acetylneuraminate:GM1 sialyltransferase (SAT IV) activity of rat liver Golgi apparatus on GM1 ganglioside ceramide composition was evaluated. SAT IV activity was assayed on GM1 molecular species carrying homogeneous ceramide moieties containing long chain bases of different length (18 or 20 C a...

journal_title：FEBS letters

authors： Pitto M,Palestini P,Masserini M

更新日期：1996-04-01 00:00:00

abstract：:The glycine-alanine (GA) repeat of the Epstein-Barr virus nuclear antigen-1 inhibits in cis ubiquitin-dependent proteolysis in mammalian cells through a yet unknown mechanism. In the present study we demonstrate that the GA repeat targets an evolutionarily conserved step in proteolysis since it can prevent the degrada...

journal_title：FEBS letters

authors： Heessen S,Dantuma NP,Tessarz P,Jellne M,Masucci MG

更新日期：2003-12-04 00:00:00

abstract：:Heparin Binding Hemagglutinin A (HBHA) is hitherto the sole virulence factor associated with tuberculosis dissemination from the lungs, the site of primary infection, to epithelial cells. We have previously reported the solution structure of HBHA, a dimeric and elongated molecule. Since oligomerisation of HBHA is asso...

journal_title：FEBS letters

authors： Esposito C,Carullo P,Pedone E,Graziano G,Del Vecchio P,Berisio R

更新日期：2010-03-19 00:00:00

abstract：:The synthesis of gangliosides GM3 and GD3 is carried out by the successive addition of sialic acid residues on lactosylceramide (LacCer) by the Golgi located sialyltransferases Sial-T1 and Sial-T2, respectively. CHO-K1 cells lack Sial-T2 and only express GM3. Here we show that the activity of Sial-T1 was near 2.5-fold...

journal_title：FEBS letters

authors： Spessott W,Crespo PM,Daniotti JL,Maccioni HJ

更新日期：2012-07-30 00:00:00

abstract：:The major anthocyanin in A. thaliana is a cyanidin derivative modified by glycosylation as well as by the addition of three acyl moieties: malonyl, p-coumaroyl, and sinapoyl. We have isolated a member of the BAHD acyltransferase family which catalyzes this malonylation reaction by combining a reverse genetics approach...

journal_title：FEBS letters

authors： D'Auria JC,Reichelt M,Luck K,Svatos A,Gershenzon J

更新日期：2007-03-06 00:00:00

abstract：:The interaction of the adrenoleukodystrophy protein (ALDP), mutated in the peroxisomal disorder X-linked adrenoleukodystrophy, and the very long-chain acyl-CoA synthetase (VLACS), the enzyme whose function is missing in this disease, remains obscure. As a first step to studying this interaction in wild type versus ALD...

journal_title：FEBS letters

authors： Berger J,Truppe C,Neumann H,Forss-Petter S

更新日期：1998-03-27 00:00:00

abstract：:We have studied the phosphorylation/dephosphorylation of several nuclear proteins in isolated nuclei from etiolated Avena seedlings as a function of red/far-red light. The effect of stimulatory (ADP-ribosylation by cholera toxin) or inhibitory (GDP beta S) conditions for GTP-binding proteins was also studied. Red or f...

journal_title：FEBS letters

authors： Romero LC,Biswal B,Song PS

更新日期：1991-05-06 00:00:00

abstract：:Dendritic cells (DC) were enriched from murine spleen by exploring their intermediate density and transient weak adherence. The isolated population contained excellent antigen presenting cells with high surface expression of major histocompatibility complex (MHC) class II determinants thus exhibiting crucial immunofun...

journal_title：FEBS letters

authors： Fischer HG,Eder C

更新日期：1995-10-09 00:00:00

abstract：:Dynein is a minus end-directed microtubule motor that serves multiple cellular functions. We have performed a fine mapping of the 8 kDa dynein light chain (LC8) binding sites throughout the development of a library of consecutive synthetic dodecapeptides covering the amino acid sequences of the various proteins known ...

journal_title：FEBS letters

authors： Rodríguez-Crespo I,Yélamos B,Roncal F,Albar JP,Ortiz de Montellano PR,Gavilanes F

更新日期：2001-08-17 00:00:00