Temporal regulation of in vitro import of precursor proteins into tobacco mitochondria.

abstract：:Protein kinase C (PKC) may be involved in growth regulation. In the present study the relationship between body weight, and thereby age, and the activity of PKC in muscle as well as in rapidly growing overloaded muscle were investigated. PKC activity in music was linearly inversely correlated to rat weight in both sol...

journal_title：FEBS letters

authors： Richter EA,Nielsen NB

更新日期：1991-09-02 00:00:00

abstract：:The effect on cytosolic Ca2+ concentration ([Ca2+]i) of cAMP analogues and the adenylate cyclase-stimulating agents forskolin, isoproterenol and glucagon has been examined in an insulin-secreting beta-cell line (HIT T-15) using fura 2. All these manipulations of the cAMP messenger system promoted a rise in [Ca2+]i whi...

journal_title：FEBS letters

authors： Prentki M,Glennon MC,Geschwind JF,Matschinsky FM,Corkey BE

更新日期：1987-08-10 00:00:00

abstract：:The nef gene of human and simian immunodeficiency virus is a key factor in acquired immunodeficiency syndrome pathogenesis and virus replication. Several Nef-induced phenomena, including the down-regulation of CD4 molecule, have been previously reported. In this study, we have identified and cloned a novel cellular pr...

journal_title：FEBS letters

authors： Fukushi M,Dixon J,Kimura T,Tsurutani N,Dixon MJ,Yamamoto N

更新日期：1999-01-08 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) Rev is a small RNA-binding protein which is essential for viral replication. To investigate the structure of Rev we have mapped the binding sites of a panel of monoclonal antibodies (mAb) by protein footprinting and identified a mAb protecting amino acids within both the N- ...

journal_title：FEBS letters

authors： Jensen TH,Jensen A,Szilvay AM,Kjems J

更新日期：1997-09-01 00:00:00

abstract：:Amyloid-beta peptide (Abeta), the major constituent of senile plaques in the Alzheimer's disease (AD) brain, is the main source of oxidative stress leading to neurodegeneration. The methionine residue in this peptide is reported to be responsible for neurotoxicity. Structurally similar substitution with methionine 35 ...

journal_title：FEBS letters

authors： Dai XL,Sun YX,Jiang ZF

更新日期：2007-04-03 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 beta-adrenergic receptor kinase mediates agonist-dependent phosphorylation of beta-adrenergic receptors, which is thought to represent the first step of homologous desensitization. We have expressed bovine and human beta ARK1 in Sf9 cells and purified them to apparent homogeneity in milligram quantities. The Km-va...

journal_title：FEBS letters

authors： Söhlemann P,Hekman M,Buchen C,Elce JS,Lohse MJ

更新日期：1993-06-07 00:00:00

abstract：:Reliably pinpointing which specific amino acid residues form the interface(s) between a protein and its binding partner(s) is critical for understanding the structural and physicochemical determinants of protein recognition and binding affinity, and has wide applications in modeling and validating protein interactions...

journal_title：FEBS letters

authors： Xue LC,Dobbs D,Bonvin AM,Honavar V

更新日期：2015-11-30 00:00:00

abstract：:Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system characterized by widespread inflammation, focal demyelination and a variable degree of axonal and neuronal loss. Ionic conductances regulate T cell activation as well as neuronal function and thus have been found to play a crucial ...

journal_title：FEBS letters

authors： Ehling P,Bittner S,Budde T,Wiendl H,Meuth SG

更新日期：2011-12-01 00:00:00

abstract：:trans-3-Chloroacrylic acid dehalogenase (CaaD) catalyzes the hydrolytic dehalogenation of trans-3-haloacrylates to yield malonate semialdehyde by a mechanism utilizing βPro-1, αArg-8, αArg-11, and αGlu-52. These residues are implicated in a promiscuous hydratase activity where 2-oxo-3-pentynoate is processed to acetop...

journal_title：FEBS letters

authors： Poelarends GJ,Serrano H,Huddleston JP,Johnson WH Jr,Whitman CP

更新日期：2013-09-02 00:00:00

abstract：:The uncoupler-induced inactivation of H+-ATPase in hepatoma 22a and mouse liver mitochondria has been studied. The dependence of this process on delta microH, and pH and ATP was established. The inactivated ATPase could be reactivated at alkaline pH values in the absence of ATP. These data indicate that the inactivati...

journal_title：FEBS letters

authors： Chernyak BV,Dukhovich VF,Khodjaev EYu

更新日期：1987-05-11 00:00:00

abstract：:We have compared the urea stability of the human aromatic amino acid hydroxylases (AAAHs), key enzymes involved in neurotransmitter biosynthesis and amino acid homeostasis. Tyrosine-, tryptophan- and phenylalanine hydroxylase (TH, TPH and PAH, respectively) were transiently activated at low urea concentrations and rap...

journal_title：FEBS letters

authors： Kleppe R,Haavik J

更新日期：2004-05-07 00:00:00

abstract：:Activation gating in KcsA is elicited by changes in intracellular proton concentration. Thompson et al. identified a charge cluster around the inner gate that plays a key role in defining proton activation in KcsA. Here, through functional and spectroscopic approaches, we confirmed the role of this charge cluster and ...

journal_title：FEBS letters

authors： Cuello LG,Cortes DM,Jogini V,Sompornpisut A,Perozo E

更新日期：2010-03-19 00:00:00

abstract：:Activation of the formyl peptide chemoattractant receptor (FPCR) of phagocytic cells mobilizes intracellular calcium stores and affects the plasma membrane potential. Affinity crosslinking of FPCR has demonstrated a 60-80 kDa glycoprotein, with core peptide of 32 kDa. It is not known whether functional FPCR is this si...

journal_title：FEBS letters

authors： Murphy PM,Gallin EK,Tiffany HL,Malech HL

更新日期：1990-02-26 00:00:00

abstract：:The KDEL receptor is a seven-transmembrane-domain protein that was first described about 20 years ago. Its well-known function is to retrotransport chaperones from the Golgi complex to the endoplasmic reticulum. Recent studies, however, have suggested that the KDEL receptor has additional functions. Indeed, we have de...

journal_title：FEBS letters

authors： Capitani M,Sallese M

更新日期：2009-12-03 00:00:00

abstract：:High-molecular-weight [14C]hyaluronate was incubated with cultured fibroblasts from human uterine cervix and skin, and then the depolymerization of the hyaluronate was investigated. [14C]Hyaluronate in the medium of skin fibroblasts was depolymerized into a constant molecular weight (M(r) about 40,000), whereas that o...

journal_title：FEBS letters

authors： Tanaka K,Nakamura T,Ikeya H,Higuchi T,Tanaka A,Morikawa A,Saito Y,Takagaki K,Endo M

更新日期：1994-06-20 00:00:00

abstract：:Mitochondrial dihydroorotate dehydrogenase (DHOdehase; EC 1.3.99.11) is a target of anti-proliferative, immunosuppressive and anti-parasitic agents. Here, redoxal, (2,2'-[3,3'-dimethoxy[1, 1'-biphenyl]-4,4'-diyl)diimino]bis-benzoic acid, was studied with isolated mitochondria and the purified recombinant human and rat...

journal_title：FEBS letters

authors： Knecht W,Löffler M

更新日期：2000-02-04 00:00:00

abstract：:The orientation of the transition dipole moments in the ground state and the M-intermediate of bacteriorhodopsin were determined by time-resolved and steady-state polarized absorption spectroscopy on samples of oriented immobilized purple membranes. The angle between the transition dipole moment and the membrane norma...

journal_title：FEBS letters

authors： Otto H,Heyn MP

更新日期：1991-11-18 00:00:00

abstract：:Members of the connexin family differ most in their carboxy-termini, both with respect to sequence and length. In order to assess the contribution of this region to channel function, a series of carboxy-terminal deletion mutants were tested in the paired-oocyte expression system. Connexin-32 can be truncated by 64 ami...

journal_title：FEBS letters

authors： Rabadan-Diehl C,Dahl G,Werner R

更新日期：1994-08-29 00:00:00

abstract：:It has been suggested that the C-terminal domain of Bcl-2 family members may contain a signal anchor sequence that targets these proteins to the mitochondrial outer membrane. We have investigated the consequence of deleting this domain upon cytochrome c release in yeast strains that coexpress truncated forms of Bax (i...

journal_title：FEBS letters

authors： Priault M,Camougrand N,Chaudhuri B,Manon S

更新日期：1999-01-25 00:00:00

abstract：:The (beta alpha)(8)-barrel is the most frequent and most versatile fold among enzymes [Höcker et al., Curr. Opin. Biotechnol. 12 (2001) 376-381; Wierenga, FEBS Lett. 492 (2001) 193-198]. Structural and functional evidence suggests that (beta alpha)(8)-barrels evolved from an ancestral half-barrel, which consisted of f...

journal_title：FEBS letters

authors： Höcker B,Schmidt S,Sterner R

更新日期：2002-01-16 00:00:00

abstract：:Phosphorylations catalyzed by cAMP-dependent protein kinase are essential for sperm motility, and type II cAMP-dependent protein kinase in mature sperm has been shown to be firmly bound to the flagellum via the regulatory subunit, RII. The present study documents high-levelled expression of a human, testis-specific RI...

journal_title：FEBS letters

authors： Oyen O,Myklebust F,Scott JD,Hansson V,Jahnsen T

更新日期：1989-03-27 00:00:00

abstract：:Recombinant human interleukin-5 (hIL-5) has been expressed at high levels and produced in large quantities in baculovirus infected Sf9 insect cells. The glycosylated protein was purified using immuno-affinity chromatography and gel filtration. Purified hIL-5 has been crystallized using standard vapour diffusion techni...

journal_title：FEBS letters

authors： Guisez Y,Oefner C,Winkler FK,Schlaeger EJ,Zulauf M,Van der Heyden J,Plaetinck G,Cornelis S,Tavernier J,Fiers W

更新日期：1993-09-27 00:00:00

abstract：:Regulatory divergence is likely a major driving force in evolution. Comparative genomics is being increasingly used to infer the evolution of gene regulation. Ascomycota fungi are uniquely suited among eukaryotes for regulatory evolution studies, due to broad phylogenetic scope, many sequenced genomes, and tractabilit...

journal_title：FEBS letters

authors： Thompson DA,Regev A

更新日期：2009-12-17 00:00:00

abstract：:The small GTPase Rho1 plays an essential role in controlling the organization of the actin cytoskeleton and synthesis of the cell wall in the fission yeast Schizosaccharomyces pombe. Here we studied the role of Rho5 whose primary structure is very similar to that of Rho1. It was found that elevated expression of Rho5 ...

journal_title：FEBS letters

authors： Nakano K,Arai R,Mabuchi I

更新日期：2005-09-26 00:00:00

abstract：:The use of bisindolylmaleimide derivatives of staurosporine as selective inhibitors of protein kinase C (PKC) is in doubt following the report by Alessi [FEBS Lett. 402 (1997) 121-123] that Ro31-8220 and GF109203X are potent in vitro inhibitors of p70 S6 kinase and mitogen-activated protein kinase-activated protein ki...

journal_title：FEBS letters

authors： Morreale A,Mallon B,Beale G,Watson J,Rumsby M

更新日期：1997-11-03 00:00:00

abstract：:The purpose of the present study was to investigate whether 5-hydroxytryptamine (5-HT, serotonin) affects migration of vascular endothelial cells. 5-HT significantly enhanced migration of human aortic endothelial cells (HAECs), and this enhancement was completely inhibited by GR 55562, a 5-HT1 receptor antagonist, and...

journal_title：FEBS letters

authors： Matsusaka S,Wakabayashi I

更新日期：2005-12-19 00:00:00

abstract：:DNA polymerase (pol) λ, one of the 15 cellular pols, belongs to the X family. It is a small 575 amino-acid protein containing a polymerase, a dRP-lyase, a proline/serine rich and a BRCT domain. Pol λ shows various enzymatic activities including DNA polymerization, terminal transferase and dRP-lyase. It has been implic...

journal_title：FEBS letters

authors： Markkanen E,van Loon B,Ferrari E,Hübscher U

更新日期：2011-09-16 00:00:00

abstract：:Charybdotoxin (ChTX), a 4.3 kDa polypeptide toxin from the venom of the scorpion Leiurus quinquestriatus, blocks both a Ca-activated K channel (IC50 approximately 15 nM) and a Ca-independent voltage-gated K channel (IC50 approximately 40 nM) in rat brain synaptosomes. These results indicate that in this preparation Ch...

journal_title：FEBS letters

authors： Schneider MJ,Rogowski RS,Krueger BK,Blaustein MP

更新日期：1989-07-03 00:00:00

abstract：:Hexaheme nitrite reductases purified to homogeneity from Escherichia coli K-12 and Wolinella succinogenes were studied by low-temperature EPR spectroscopy. In their isolated states, the two enzymes revealed nearly identical EPR spectra when measured at 12 K. Both high-spin and low-spin ferric heme EPR resonances with ...

journal_title：FEBS letters

authors： Liu MC,Liu MY,Payne WJ,Peck HD Jr,Le Gall J,DerVartanian DV

更新日期：1987-06-29 00:00:00