Phosphorylation and activation of hormone-sensitive lipase in isolated macrophages.

abstract：:Nine analogs of fusion peptide of influenza virus hemagglutinin whose membrane perturbation activity has been thoroughly tested [Murata et al. (1992) Biochemistry 31, 1986-1992; Murata et al. (1993) Biophys. J. 64, 724-734] were characterized by molecular modeling techniques with the aim of delineating any specific st...

journal_title：FEBS letters

authors： Efremov RG,Nolde DE,Volynsky PE,Chernyavsky AA,Dubovskii PV,Arseniev AS

更新日期：1999-11-26 00:00:00

abstract：:The nucleotide sequence of the Pseudomonas saccharophila gene encoding maltotetraohydrolase (G4-forming amylase) has been determined. The coding region for the G4-forming amylase precursor contained 1653 nucleotides. The deduced precursor protein included an N-terminal 21-residue putative signal peptide; the deduced m...

journal_title：FEBS letters

authors： Zhou JH,Baba T,Takano T,Kobayashi S,Arai Y

更新日期：1989-09-11 00:00:00

abstract：:Using conserved fingerprints in the glycosyltransferase (GTase) domain of high-molecular-weight penicillin-binding proteins (PBP), a gene (mgt) encoding a putative monofunctional glycosyltransferase has been identified in Haemophilus influenzae and in other bacteria] species. Here we report the cloning of the homologo...

journal_title：FEBS letters

authors： Di Berardino M,Dijkstra A,Stüber D,Keck W,Gubler M

更新日期：1996-08-26 00:00:00

abstract：:The effect of platelet-derived growth factor (PDGF) on Rap1 expression was investigated in rat vascular smooth muscle cells (SMC). First, evidence for Rap1 proteins was shown by their: (i) detection in membranes using a specific anti-Rap1 antibody, (ii) typical shift in electrophoretic mobility as a consequence of red...

journal_title：FEBS letters

authors： Quarck R,Bryckaert M,Magnier C,Corvazier E,Bredoux R,de Gunzburg J,Fontenay M,Tobelem G,Enouf J

更新日期：1994-04-04 00:00:00

abstract：:Endothelial cells play a pivotal role in the development of atherosclerosis. An 'activated' phenotype of these cells is manifested by signal transduction-dependent expression of genes encoding cytokines, pro- and anticoagulant factors, and cell adhesion molecules. In the current study we examined the effect of ouabain...

journal_title：FEBS letters

authors： Bereta J,Cohen MC,Bereta M

更新日期：1995-12-11 00:00:00

abstract：:Evidence is presented here that cupric ions play a part in the natural spinning of Bombyx mori silk. Proton induced X-ray emission studies revealed that the copper content increased from the posterior part to the anterior part of silk gland, and then further increased in the silk fiber. Spectrophotometric analysis dem...

journal_title：FEBS letters

authors： Zhou L,Chen X,Shao Z,Zhou P,Knight DP,Vollrath F

更新日期：2003-11-20 00:00:00

abstract：:The serine peptidases, thrombocytin and PA-BJ, isolated from the venom of Bothrops atrox and Bothrops jararaca, respectively, induce platelet aggregation and granule secretion without clotting fibrinogen. The specific platelet aggregation activity of each enzyme was about 15 times lower than that of thrombin. This act...

journal_title：FEBS letters

authors： Santos BF,Serrano SM,Kuliopulos A,Niewiarowski S

更新日期：2000-07-21 00:00:00

abstract：:The chaotropic character of several ions determines their partition on membrane interfaces with aqueous media as predicted by the Hofmeister series. However, specific characteristics of each individual ion determine its ability to cross the membrane and to influence Ca2+, H+ and electrical gradients produced by the sa...

journal_title：FEBS letters

authors： Yu X,Inesi G

更新日期：1993-08-16 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：:We present evidence that the potent chloride channel blocker NPPB has protonophoric activity in the mitochondria and across the plasma membrane of phagocytic cells. The resting O2 consumption of murine peritoneal macrophages was stimulated up to 2.5-fold in the presence of NPPB, with a K0.5 of 15 microM. The stimulato...

journal_title：FEBS letters

authors： Lukacs GL,Nanda A,Rotstein OD,Grinstein S

更新日期：1991-08-19 00:00:00

abstract：:Treatment of either crude or purified preparations of the gamma-aminobutyrate (GABA)/benzodiazepine receptor complex with arginine-specific reagents resulted in a time- and concentration-dependent loss of [3H]muscimol binding activity. Following exposure to either 2,3-butanedione or phenylglyoxal (less than or equal t...

journal_title：FEBS letters

authors： Widdows KB,Kirkness EF,Turner AJ

更新日期：1987-09-28 00:00:00

abstract：:miR398 links expression of the three major chloroplast copper proteins, plastocyanin, CCS1 and Csd2, to copper availability. miR398 abundance was stronger plastocyanin-controlled in accessions from cold and continental habitats (Kas-1, Ms-0, WS) than in Cvi-0 and Col-0. Target gene regulation was broken for Csd2 in Cv...

journal_title：FEBS letters

authors： Juszczak I,Baier M

更新日期：2012-09-21 00:00:00

abstract：:Phosphotyrosine-containing proteins in Dictyostelium discoideum were detected by immunoblot analysis and immunoprecipitation using a monoclonal anti-phosphotyrosine antibody. The iodinated antibody recognized on bots a cluster of 205-220 kDa polypeptides and bands of 107 and 60 kDa. The 107 and 60 kDa polypeptides and...

journal_title：FEBS letters

authors： Schweiger A,Mihalache O,Muhr A,Adrian I

更新日期：1990-07-30 00:00:00

abstract：:The manganese containing center of the oxygen evolving complex accumulates four oxidizing equivalents in the four stepped water oxidation cycle. Based on experiments on electrochromic absorption transients and the reduction rate of the primary electron donor, P680, it has been speculated that the oscillations of these...

journal_title：FEBS letters

authors： Haumann M,Bögershausen O,Junge W

更新日期：1994-11-21 00:00:00

abstract：:The activity of calcium, phospholipid-dependent protein kinase (PKc), which is thought to play an important role in cell proliferation, has been measured in the particulate and soluble fractions of cultured cells, under different proliferative conditions. Our results indicate that proliferating cells display higher PK...

journal_title：FEBS letters

authors： Adamo S,Caporale C,Aguanno S,Lazdins J,Faggioni A,Belli L,Cortesi E,Nervi C,Gastaldi R,Molinaro M

更新日期：1986-01-20 00:00:00

abstract：:The inositol (1,4,5)-trisphosphate receptor (InsP3R) is an intracellular calcium release channel that plays a crucial role in cell signaling. In Drosophila melanogaster, a single InsP3R gene (itpr) encodes a protein (DmInsP3R) that is approximately 60% conserved with mammalian InsP3Rs. The functional properties of wil...

journal_title：FEBS letters

authors： Srikanth S,Wang Z,Hasan G,Bezprozvanny I

更新日期：2004-09-24 00:00:00

abstract：:Highly active adenylylsulfate (APS) reductase was isolated under N(2)/H(2) from sulfate-reducing and sulfide-oxidizing bacteria and archaea. It was a 1:1 alphabeta-heterodimer of molecular mass approximately 95 kDa, and two subunits (alpha approximately 75, beta approximately 20 kDa). The specific activity was 11-14 m...

journal_title：FEBS letters

authors： Fritz G,Büchert T,Huber H,Stetter KO,Kroneck PM

更新日期：2000-05-04 00:00:00

abstract：:To investigate the biochemical basis of the HIV-1 resistance to AZT we obtained the RT mutant containing four amino acid substitutions by an oligonucleotide-directed mutagenesis technique. Enzymatic properties of the wild type and mutant RTs were compared. 'AZT-resistant' mutations in RT were shown to be associated wi...

journal_title：FEBS letters

authors： Pokholok DK,Gudima SO,Yesipov DS,Dobrynin VN,Rechinsky VO,Kochetkov SN

更新日期：1993-07-05 00:00:00

abstract：:A large number of protein-protein interactions involved turn or loop regions. The excised linear peptides from these regions reveal complex conformational averaging. To circumvent this motional averaging and to stabilize the beta-turn conformation, extensive effort has been devoted to the design of constrained peptido...

journal_title：FEBS letters

authors： Lee MS,Gardner B,Kahn M,Nakanishi H

更新日期：1995-02-13 00:00:00

abstract：:Three homologous aspartate aminotransferases with virtually identical spatial structures and pairwise amino acid sequence identities of > 40% differ markedly with respect to the yield of renaturation upon dilution from 6 M guanidine hydrochloride (mitochondrial < cytosolic < Escherichia coli). The enzymes also respond...

journal_title：FEBS letters

authors： Widmann M,Christen P

更新日期：1995-12-27 00:00:00

abstract：:Adrenomedullin (ADM) functions as a survival factor against hypoxic cell death. However, molecular mechanisms underlying the cell survival pathway remain largely unknown. In this report, we showed that ADM suppressed reactive oxygen species (ROS) increase by inhibiting reduction of glutathione (GSH) level in hypoxia/r...

journal_title：FEBS letters

authors： Kim SM,Kim JY,Lee S,Park JH

更新日期：2010-01-04 00:00:00

abstract：:Human CBS1 is a methionine sulfoxide reductase of type B (MSRB) as it specifically reduced Met-R-SO in peptides with dithiothreitol or the thioredoxin system as reductants. Mutation C169S in the active site completely abolished enzymatic activity, while mutation W110A only reduced activity and C105S had no effect. Lik...

journal_title：FEBS letters

authors： Jung S,Hansel A,Kasperczyk H,Hoshi T,Heinemann SH

更新日期：2002-09-11 00:00:00

abstract：:Tryptophan-rich antigens of malarial parasites interact with host molecules and play an important role in parasite survival. Merozoite expressed Plasmodium vivax tryptophan-rich antigen PvTRAg38 binds to human erythrocytes and facilitates parasite growth in a heterlologous Plasmodium falciparum culture system. Recentl...

journal_title：FEBS letters

authors： Alam MS,Rathore S,Tyagi RK,Sharma YD

更新日期：2016-01-01 00:00:00

abstract：:Several protein kinase C (PKC) isoforms are expressed in human platelets. We report that PKC-delta is tyrosine phosphorylated within 30 s of platelet activation by thrombin. This correlated with a 2-3-fold increase in the kinase activity of PKC-delta relative to unstimulated platelets. The tyrosine phosphorylated PKC-...

journal_title：FEBS letters

authors： Moussazadeh M,Haimovich B

更新日期：1998-11-06 00:00:00

abstract：:Arf proteins are guanine nucleotide binding proteins that are implicated in endocytotic pathways and vesicle trafficking. The two widely studied isoforms of Arf proteins (Arf1 and Arf6) have different cellular functions and localizations but similar structures. Arf proteins have an N-terminal helix with a covalently b...

journal_title：FEBS letters

authors： Gizachew D,Oswald R

更新日期：2006-07-24 00:00:00

abstract：:We have cloned and characterized four Itpk genes from soybean. All four recombinant Itpk proteins showed canonical Ins(1,3,4)P3 5/6-kinase activity, but a kinetic analysis raised questions about its biological significance. Instead, we provide evidence that one alternative biological role for soybean Itpks is to inter...

journal_title：FEBS letters

authors： Stiles AR,Qian X,Shears SB,Grabau EA

更新日期：2008-06-11 00:00:00

abstract：:Insulin-degrading enzyme (IDE) is implicated in the pathogenesis of type 2 diabetes mellitus (DM2) and Alzheimer's disease (AD). Here we provide genetic evidence that Drosophila Ide (dIde) antagonizes the insulin signaling pathway and human Abeta-induced neurotoxicity in Drosophila. In this study, we also generated a ...

journal_title：FEBS letters

authors： Tsuda M,Kobayashi T,Matsuo T,Aigaki T

更新日期：2010-07-02 00:00:00

abstract：:DNA bending is due to two main factors: the inherent curvature of the sequence and its flexibility. Most methods of analysis do not allow a differentiation between these two factors. In this paper I show that the flexibility of DNA sequences can be estimated from the standard deviation of roll values determined by X-r...

journal_title：FEBS letters

authors： Subirana JA

更新日期：1997-11-17 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：:Viperin is a radical SAM enzyme that possesses antiviral properties against a broad range of enveloped viruses. Here, we describe the activity of human viperin with two molecules of the mevalonate pathway, geranyl pyrophosphate, and farnesyl pyrophosphate, involved in cholesterol biosynthesis. We postulate that the ra...

journal_title：FEBS letters

authors： Mikulecky P,Andreeva E,Amara P,Weissenhorn W,Nicolet Y,Macheboeuf P

更新日期：2018-01-01 00:00:00