L-tyrosine is the precursor of PQQ biosynthesis in Hyphomicrobium X.

abstract：:The off rate from the first calcium-binding site of the C2A domain of synaptotagmin I, a putative calcium receptor in neurotransmitter release, has been determined by 15N-nuclear magnetic resonance relaxation dispersion measurements. The exchange rate was obtained by fitting the dependence of the transverse relaxation...

journal_title：FEBS letters

authors： Millet O,Bernadó P,Garcia J,Rizo J,Pons M

更新日期：2002-04-10 00:00:00

abstract：:Cyclic AMP-mediated phosphorylation of calcium channel subunits was studied in vitro and in vivo in preparations from dog heart. Calcium channels in native cardiac membranes were phosphorylated by cAMP-dependent protein kinase (PKA) solubilized with digitonin and subsequently immunoprecipitated using a polyclonal anti...

journal_title：FEBS letters

authors： Haase H,Karczewski P,Beckert R,Krause EG

更新日期：1993-12-06 00:00:00

abstract：:The Escherichia coli twin-arginine translocation (Tat) system serves to export fully folded protein substrates across the bacterial cytoplasmic membrane. Respiratory [NiFe] hydrogenases are synthesised as precursors with twin-arginine signal peptides and transported as large, cofactor-containing, multi-subunit complex...

journal_title：FEBS letters

authors： Dubini A,Sargent F

更新日期：2003-08-14 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：:A specific b subunit arginine, b(Arg-36) in Escherichia coli, displays evolutionary conservation among bacterial F1F0 ATP synthases. Site-directed mutagenesis was used to generate a collection of mutations affecting b(Arg-36). The phenotype differed depending upon the substitution, and the b(Arg-36-Glu) and b(Arg-36-I...

journal_title：FEBS letters

authors： Caviston TL,Ketchum CJ,Sorgen PL,Nakamoto RK,Cain BD

更新日期：1998-06-12 00:00:00

abstract：:Heparin, an inhibitor of inositol trisphosphate (InsP3)-induced Ca2+ release in smooth muscle and non-muscle cells, was injected into intact frog skeletal muscle fibres. Ca2+ release from the sarcoplasmic reticulum was elicited by the normal action potential mechanism and monitored by both fura-2 fluorescence and an i...

journal_title：FEBS letters

authors： Pape PC,Konishi M,Baylor SM,Somlyo AP

更新日期：1988-08-01 00:00:00

abstract：:Mitochondrial thioredoxin (mtTrx) can be oxidized in response to inducers of oxidative stress; yet the functional consequences of the oxidation have not been determined. This study evaluated the redox status of mtTrx and its association to oxidant-induced apoptosis. Results showed that mtTrx was oxidized after exposur...

journal_title：FEBS letters

authors： Chen Y,Cai J,Jones DP

更新日期：2006-12-11 00:00:00

abstract：:A photoactive reaction center complex was isolated from a thermophilic green sulfur bacterium, Chlorobium tepidum under anaerobic conditions. The electron transfer occurred from heme c to the photo-oxidized reaction center chlorophyll, P840+, with a half time (t1/2) of 110 or 340 microseconds at 24 or 12 degrees C, re...

journal_title：FEBS letters

authors： Oh-oka H,Kamei S,Matsubara H,Iwaki M,Itoh S

更新日期：1995-05-22 00:00:00

abstract：:The effect of angiotensin II (Ang II) on the early growth response gene-1 (Egr-1) mRNA, on the Egr-1 protein and on the phosphoinositide PI turnover signalling system was investigated in the presence and absence of EXP3174, a potent non-peptide Ang II receptor antagonist. Ang II induced an accumulation of 3.4 kb Egr-1...

journal_title：FEBS letters

authors： Sachinidis A,Weisser P,Ko Y,Schulte K,Meyer zu Brickwedde K,Neyses L,Vetter H

更新日期：1992-11-23 00:00:00

abstract：:Analysis of fluorimetric equilibrium-binding isotherms of a proteolytic fragment of bacteriophage T4 gene 32 protein (g32P) lacking residues 1-9 shows that this region contains the site responsible for the function of the NH2-terminal 'B' domain (residues 1-21). The end codon of the frameshift mutant g32P-PR201 has be...

journal_title：FEBS letters

authors： Casas-Finet JR

更新日期：1989-06-05 00:00:00

abstract：:SufC is an ATPase component of the SUF machinery, which is involved in the biosynthesis of Fe-S clusters. To gain insight into the function of this protein, we have determined the crystal structure of Escherichia coli SufC at 2.5A resolution. Despite the similarity of the overall structure with ABC-ATPases (nucleotide...

journal_title：FEBS letters

authors： Kitaoka S,Wada K,Hasegawa Y,Minami Y,Fukuyama K,Takahashi Y

更新日期：2006-01-09 00:00:00

abstract：:Three clones were isolated from a lobster digestive gland cDNA library, using oligonucleotide probes based on the partial amino terminal sequence of a digestive cysteine proteinase. The cDNAs, LCP1, LCP2 and LCP3 encode preproenzymes of 322, 323 and 321 amino acid residues, and putative mature enzymes of 217, 216 and ...

journal_title：FEBS letters

authors： Laycock MV,MacKay RM,Di Fruscio M,Gallant JW

更新日期：1991-11-04 00:00:00

abstract：:This paper summarizes results of the 40-year studies on replication and recombination of RNA molecules in the cell-free amplification system of bacteriophage Q. Special attention is paid to the molecular colony technique that has provided for the discovery of the nature of "spontaneous" RNA synthesis by Q replicase an...

journal_title：FEBS letters

authors： Chetverin AB

更新日期：2004-06-01 00:00:00

abstract：:We have recently developed an in vitro differentiation model of immortalized non-transformed human hepatocytes using butyrate, and observed the induction of inducible NO synthase (iNOS). In this study, we analyzed the effect of NO on the urea-synthetic capacity of these cells. The inhibition of iNOS during butyrate tr...

journal_title：FEBS letters

authors： Yoon JH,Lee HS,Kim TH,Woo GH,Kim CY

更新日期：2000-06-02 00:00:00

abstract：:In the new view, hydrophobic free energy is measured by the work of solute transfer of hydrocarbon gases from vapor to aqueous solution. Reasons are given for believing that older values, measured by solute transfer from a reference solvent to water, are not quantitatively correct. The hydrophobic free energy from gas...

journal_title：FEBS letters

authors： Baldwin RL

更新日期：2013-04-17 00:00:00

abstract：:Stimulation of cultured pituitary cells from a gonadotrope lineage (alpha T3-1) by the gonadotropin-releasing hormone agonist analog [D-Trp6]GnRH (GnRH-A) resulted in a manifold increase in accumulation of phosphatidylethanol, a specific product of phospholipase D phosphatidyl transferase activity when ethanol is the ...

journal_title：FEBS letters

authors： Netiv E,Liscovitch M,Naor Z

更新日期：1991-12-16 00:00:00

abstract：:Apoptosis repressor with caspase recruitment domain is expressed at high levels in brain and myogenic tissues, consistent with a role to inhibit apoptosis in the terminally differentiated cells. Expression of ARC in cancers is not known. In this study, we reported that ARC was highly expressed in various non-myogenic ...

journal_title：FEBS letters

authors： Wang M,Qanungo S,Crow MT,Watanabe M,Nieminen AL

更新日期：2005-04-25 00:00:00

abstract：:ApoB-crescent, an endoplasmic reticulum (ER)-lipid droplet amalgamation structure, is a useful marker to indicate aberrant lipidated apolipoprotein B accumulation in the hepatocyte ER. Blockade of the ER-to-Golgi transport by either vesicle transport inhibitors or dominant-negative Arf1 caused a significant increase i...

journal_title：FEBS letters

authors： Ohsaki Y,Cheng J,Yamairi K,Pan X,Hussain MM,Fujimoto T

更新日期：2013-11-15 00:00:00

abstract：:The ARG-11 gene in Saccharomyces cerevisiae encodes a protein with the characteristic features of a family of 35 related membrane proteins that are encoded in the fungal genome. Some of them are known to transport various substrates and products across the inner membranes of mitochondria, but the functions of 29 membe...

journal_title：FEBS letters

authors： Palmieri L,De Marco V,Iacobazzi V,Palmieri F,Runswick MJ,Walker JE

更新日期：1997-06-30 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：:Physicochemical properties of proteins are controlled mainly by post-translational modifications such as amino acid phosphorylation. Although molecular dynamics simulations have been shown to be a valuable tool for studying the effects of phosphorylation on protein structure and dynamics, most of the previous studies ...

journal_title：FEBS letters

authors： Kawade R,Kuroda D,Tsumoto K

更新日期：2020-03-01 00:00:00

abstract：:Mutations in the presenilin (PS) genes PSI and PS2 are involved in Alzheimer's disease (AD). Recently, apoptosis-associated cleavage of PS proteins was identified. Here we demonstrate that PS1 as well as PS2 are substrates for different members of the caspase protein family. Remarkably, the caspases acting on PS1 coul...

journal_title：FEBS letters

authors： van de Craen M,de Jonghe C,van den Brande I,Declercq W,van Gassen G,van Criekinge W,Vanderhoeven I,Fiers W,van Broeckhoven C,Hendriks L,Vandenabeele P

更新日期：1999-02-19 00:00:00

abstract：:The nucleotide sequence of cDNA encoding the human substance P precursor, beta-preprotachykinin (beta-PPT), has been determined. The source of mRNA was a human laryngeal carcinoid tumour that contained a high concentration of immunoreactive substance P. The human beta-PPT polypeptide is 129 amino acids long and contai...

journal_title：FEBS letters

authors： Harmar AJ,Armstrong A,Pascall JC,Chapman K,Rosie R,Curtis A,Going J,Edwards CR,Fink G

更新日期：1986-11-10 00:00:00

abstract：:MeCP2 is a chromatin-associated protein that is mutated in Rett syndrome. Its methyl-CpG-binding domain interacts with DNA containing methylated cytosine, but other modes of recruitment to the genome have also been proposed. Here, we use in vitro and in vivo assays to investigate the DNA binding specificity of two AT-...

journal_title：FEBS letters

authors： Lyst MJ,Connelly J,Merusi C,Bird A

更新日期：2016-09-01 00:00:00

abstract：:Oxygen is an essential element in the survival of complex organisms, however the level of oxygen, low or high, can be a source of stress depending on the biological context. Low levels of oxygen in tissues (hypoxia) can be the consequence of a number of pathophysiological conditions including ischemic disorders and ca...

journal_title：FEBS letters

authors： Brahimi-Horn MC,Pouysségur J

更新日期：2007-07-31 00:00:00

abstract：:The cleavable prepiece of the precursor to yeast cytochrome c oxidase subunit IV (an imported mitochondrial protein) was attached to the amino-terminus of mouse dihydrofolate reductase (a cytosolic protein) by gene fusion. The resulting fusion protein was imported into the matrix of isolated, energized yeast mitochond...

journal_title：FEBS letters

authors： Hurt EC,Pesold-Hurt B,Schatz G

更新日期：1984-12-10 00:00:00

abstract：:Prostaglandin F2alpha, platelet-derived growth factor (PDGF) and calcium ionophore A23187 stimulated the rapid (within 25 s) generation of polyunsaturated 1,2-diacylglycerol (DAG) species, in particular 18:0/20:3n-9, 18:0/20:4n-6 and 18:0/20:5n-3, in Swiss 3T3 fibroblasts. This was followed by a second sustained phase...

journal_title：FEBS letters

authors： Pettitt TR,Wakelam MJ

更新日期：1998-05-15 00:00:00

abstract：:MRI has the ability to generate high-contrast and high-resolution images, to obtain multiple diagnostic evaluations of organ function and morphology, and to provide multiple image planes with no risk of ionizing radiation. Recent efforts have focused on using MR technology to monitor gene delivery, to enhance gene tra...

journal_title：FEBS letters

authors： Yang X,Atalar E

更新日期：2006-05-22 00:00:00

abstract：:A cDNA coding for the mouse hepatic triglyceride lipase has been isolated from a mouse liver cDNA library. The nucleotide sequence of the cDNA shows an open reading frame encoding a polypeptide of 510 amino acids that is 91.5% and 86% homologous to rat and human hepatic lipase, respectively. The most drastic protein s...

journal_title：FEBS letters

authors： Chang SF,Netter HJ,Will H

更新日期：1991-09-02 00:00:00

abstract：:In a previous study [(1987) J. Mol. Biol. 194, 663-673], we isolated ten insertion/deletion mutants (indels) of the maltose binding protein for which the maltose binding constant was only a little or not at all affected. In this paper, we have localized these mutations in the recently solved three-dimensional structur...

journal_title：FEBS letters

authors： Betton JM,Martineau P,Saurin W,Hofnung M

更新日期：1993-06-28 00:00:00