Between the ground- and M-state of bacteriorhodopsin the retinal transition dipole moment tilts out of the plane of the membrane by only 3 degrees.

abstract：:The study of the three-dimensional organization of chromatin has recently gained much focus in the context of novel techniques for detecting genome-wide contacts using next-generation sequencing. These chromosome conformation capture-based methods give a deep topological insight into the architecture of the genome ins...

journal_title：FEBS letters

authors： Hofmann A,Heermann DW

更新日期：2015-10-07 00:00:00

abstract：:We have studied the nuclear magnetic resonance solution secondary structure of the N-terminal region in human erythroid alpha-spectrin using a recombinant model peptide of alpha-spectrin consisting of residues 1-156. Pulsed field gradient diffusion coefficient measurements show that the model peptide exists as a monom...

journal_title：FEBS letters

authors： Park S,Johnson ME,Fung LW

更新日期：2000-11-17 00:00:00

abstract：:Neutrophils contain four uncharacterized protein kinases with molecular masses of ca. 69, 63, 49 and 40 kDa that are rapidly activated upon stimulation of these cells with the chemoattractant fMet-Leu-Phe [Ding, J. and Badwey, J.A. (1993) J. Biol. Chem. 268, 17326-17333]. We now report that wortmannin and 1-butanol bl...

journal_title：FEBS letters

authors： Ding J,Badwey JA

更新日期：1994-07-11 00:00:00

abstract：:Pin2/TRF1 was independently identified as a telomeric DNA-binding protein (TRF1) that regulates telomere length, and as a protein (Pin2) that can bind the mitotic kinase NIMA and suppress its lethal phenotype. We have previously demonstrated that Pin2/TRF1 levels are cell cycle-regulated and its overexpression induces...

journal_title：FEBS letters

authors： Nakamura M,Zhou XZ,Kishi S,Lu KP

更新日期：2002-03-13 00:00:00

abstract：:Expression of androgen receptor (AR) in prostate epithelial cells is thought to regulate cell proliferation, differentiation, and survival. However, the molecular mechanisms remain unclear. We report that re-expression of AR in PC-3 human prostate cancer cell line resulted in upregulation of IFI16 protein, a negative ...

journal_title：FEBS letters

authors： Alimirah F,Chen J,Xin H,Choubey D

更新日期：2006-03-06 00:00:00

abstract：:The lack of trehalose accumulation in most plant species has been partly attributed to the presence of an active trehalase. Although trehalose synthesis enzymes are thought to be cytosolic, and previous studies have indicated that trehalase activity is extracellular, the exact location of the enzyme has not yet been e...

journal_title：FEBS letters

authors： Frison M,Parrou JL,Guillaumot D,Masquelier D,François J,Chaumont F,Batoko H

更新日期：2007-08-21 00:00:00

abstract：:Kinetic analyses of cpTat-mediated protein transport across the thylakoid membrane were conducted, revealing three important characteristics of this translocation pathway. First, transport via the cpTAT system displays a non-Michaelis-Menten, sigmoidal rate-substrate relationship with an apparent Hill coefficient of 1...

journal_title：FEBS letters

authors： Alder NN,Theg SM

更新日期：2003-04-10 00:00:00

abstract：:The KlICL1 gene, encoding isocitrate lyase in Kluyveromyces lactis, is essential for ethanol utilization. Deletion analyses identified two functional promoter elements, CSRE-A and CSRE-B. Transcription is activated on ethanol, but not on glucose, glycerol or lactate. Expression depends on the KlCat8p transcription fac...

journal_title：FEBS letters

authors： Rodicio R,López ML,Cuadrado S,Cid AF,Redruello B,Moreno F,Heinisch JJ,Hegewald AK,Breunig KD

更新日期：2008-03-05 00:00:00

abstract：:Using a phage display peptide library, we characterized the epitope of two monoclonal antibodies reacting with syndecan-1: B-B2 and B-B4. The identified epitopes QDIT, for B-B2, and LPEV, for B-B4, were found to align with residues 36-39 and 90-93 of the mature protein, respectively. In contrast to B-B4, the B-B2 epit...

journal_title：FEBS letters

authors： Dore JM,Morard F,Vita N,Wijdenes J

更新日期：1998-04-10 00:00:00

abstract：:Decarboxylation of pyruvate by pyruvate decarboxylase (EC 4.1.1.1) was performed in a reaction mixture containing 50% deuterium. The isolated product, acetaldehyde, was investigated directly by 1H NMR and by mass spectrometry after conversion to the 2,4-dinitrophenyl hydrazone. The protium content of 56% at acetaldehy...

journal_title：FEBS letters

authors： Ermer J,Schellenberger A,Hübner G

更新日期：1992-03-09 00:00:00

abstract：:Hexameric inorganic pyrophosphatase of Escherichia coli contains about 1 mol/mol of 'structural' pyrophosphate, which survives gel filtration and prolonged incubation with Mg2+, does not exchange with medium phosphate and pyrophosphate but is removed with 0.8 M perchloric acid. The site of pyrophosphate binding seems ...

journal_title：FEBS letters

authors： Shestakov AA,Baykov AA,Avaeva SM

更新日期：1990-03-26 00:00:00

abstract：:alpha-Crystallin, the major protein of the ocular lens, is known to have extensive similarities to small heat shock proteins and to act as a molecular chaperone. The exposure of hydrophobic surfaces on alpha-crystallin was studied by fluorescence spectroscopy using the hydrophobic probe bis-ANS. Upon heating the prote...

journal_title：FEBS letters

authors： Das KP,Surewicz WK

更新日期：1995-08-07 00:00:00

abstract：:Retention of intron 8 in alternative HER-2 mRNA generates an inhibitory secreted ligand, Herstatin, with a novel receptor-binding domain (RBD) encoded by the intron. This study examines binding interactions with several receptors and investigates sequence variations in intron 8. The RBD, expressed as a peptide, binds ...

journal_title：FEBS letters

authors： Shamieh LS,Evans AJ,Denton MC,Clinton GM

更新日期：2004-06-18 00:00:00

abstract：:Recent advances in our understanding of the structure of highly amplified DNA sequences in Streptomyces fradiae and lividans have enabled us to formulate a possible mechanism by which amplification may occur. An essential feature of the model is the generation of an amplification precursor, which comprises a circulari...

journal_title：FEBS letters

authors： Young M,Cullum J

更新日期：1987-02-09 00:00:00

abstract：:A short conserved sequence equivalent to the fifth conserved sequence region of alpha-amylases (173_LPDLD, Aspergillus oryzae alpha-amylase) comprising the calcium-ligand aspartate, Asp-175, was identified in the amino acid sequences of several members of the family of (alpha/beta)8-barrel glycosyl hydrolases. Despite...

journal_title：FEBS letters

authors： Janecek S

更新日期：1995-12-11 00:00:00

abstract：:α-Glucosidase hydrolyzes α-glucosides and transfers α-glucosyl residues to an acceptor through transglucosylation. In this study, GH13_31 α-glucosidase BspAG13_31A with high transglucosylation activity is reported in Bacillus sp. AHU2216 and biochemically and structurally characterized. This enzyme is specific to α-(1...

journal_title：FEBS letters

authors： Auiewiriyanukul W,Saburi W,Kato K,Yao M,Mori H

更新日期：2018-07-01 00:00:00

abstract：:Bovine heart cytochrome-c oxidase was reconstituted in liposomes and the kinetics of cytochrome c oxidation were measured by the polarographic and photometric method under uncoupled conditions in the presence of various polyvalent anions. In order to distinguish between specific and unspecific ionic effects of ATP, th...

journal_title：FEBS letters

authors： Hüther FJ,Kadenbach B

更新日期：1986-10-20 00:00:00

abstract：:A high intake of dietary fat has been suggested to diminish mitochondrial functioning in skeletal muscle, possibly attributing to muscular fat accumulation. Here we show however, that an 8-week high-fat dietary intervention did not affect intrinsic functioning of rat skeletal muscle mitochondria assessed by respiromet...

journal_title：FEBS letters

authors： Hoeks J,Briedé JJ,de Vogel J,Schaart G,Nabben M,Moonen-Kornips E,Hesselink MK,Schrauwen P

更新日期：2008-02-20 00:00:00

abstract：:The role of protein kinase C (PKC) in cellular regulation of L-type Ca2+ channels was investigated in human umbilical vein smooth muscle. Activation of PKC, by low concentrations (< 30 nM) of 12-O-tetradecanoyl-phorbol-13-acetate (TPA) caused inhibition of Ca2+ channels, while higher concentrations of TPA (> 100 nM) e...

journal_title：FEBS letters

authors： Schuhmann K,Groschner K

更新日期：1994-03-21 00:00:00

abstract：:A macromolecular complex containing survival of motor neurons (SMN), the spinal muscular atrophy protein, and Gemin2-7 interacts with Sm proteins and snRNAs to carry out the assembly of these components into spliceosomal small nuclear ribonucleoproteins (snRNPs). Here we report the characterization of unr-interacting ...

journal_title：FEBS letters

authors： Carissimi C,Baccon J,Straccia M,Chiarella P,Maiolica A,Sawyer A,Rappsilber J,Pellizzoni L

更新日期：2005-04-25 00:00:00

abstract：:Cytoplasmic dynein, a microtubule-based motor protein, is responsible for many cellular functions ranging from cargo transport to cell division. The various functions are carried out by a single isoform of cytoplasmic dynein, thus requiring different forms of motor regulation. A possible pathway to regulate motor func...

journal_title：FEBS letters

authors： Behrens VA,Walter WJ,Peters C,Wang T,Brenner B,Geeves MA,Scholz T,Steffen W

更新日期：2019-02-01 00:00:00

abstract：:The alphavirus-like mRNA capping enzyme of Bamboo mosaic virus (BaMV) exhibits an AdoMet-dependent guanylyltransferase activity by which the methyl group of AdoMet is transferred to GTP, leading to the formation of m(7)GTP, and the m(7)GMP moiety is next transferred to the 5' end of ppRNA via a covalent enzyme-m(7)GMP...

journal_title：FEBS letters

authors： Lin HY,Yu CY,Hsu YH,Meng M

更新日期：2012-07-30 00:00:00

abstract：:The level of reduction of cytochrome a and CuA during the oxidation of ferrocytochrome c has been determined in stopped-flow experiments. Both components are partially reduced but become progressively more oxidized as the reaction proceeds. When all cytochrome c has been oxidized, CuA is also completely oxidized, wher...

journal_title：FEBS letters

authors： Brzezinski P,Thörnström PE,Malmström BG

更新日期：1986-01-01 00:00:00

abstract：:STAT3, a transcription factor involved in various physiological and pathological processes, is also present in mitochondria. Mitochondrial STAT3 regulates complex I activity and reactive oxygen species (ROS) production, yet the mechanisms governing its translocation to mitochondria remain poorly understood. In this st...

journal_title：FEBS letters

authors： Mohammed F,Gorla M,Bisoyi V,Tammineni P,Sepuri NBV

更新日期：2020-05-01 00:00:00

abstract：:Azotobacter vinelandii (Av) and chroococcum (Ac) ferredoxin I contain [3Fe-4S]1 + 0 and [4Fe-4S]2+1+ clusters, when isolated aerobically, which undergo one-electron redox cycles at potentials of -460 +/- 10 mV (vs SHE) at pH 8.3 and -645 +/- 10 mV, respectively. The X-ray structure of Fd I (Av) reveals that the N-term...

journal_title：FEBS letters

authors： Thomson AJ

更新日期：1991-07-22 00:00:00

abstract：:The presence of protein kinase C (PKC), a key enzyme in signal transduction, has not been investigated in fungal cells. The phorbol ester TPA, an activator of PKC, may be used as an indicator of the presence and role of PKC in Phycomyces blakesleeanus spores. Activation of spore germination by acetate was prevented by...

journal_title：FEBS letters

authors： Carrillo-Rayas T,Garcia-Soto J,Martinez-Cadena G

更新日期：1988-10-10 00:00:00

abstract：:CDK11(p58), a 58kDa protein of the PITSLRE kinase family, plays an important role in cell cycle progression, and is closely related to cell apoptosis. To gain further insight into the function of CDK11(p58), we screened a human fetal liver cDNA library for its interacting proteins using the yeast two-hybrid system. He...

journal_title：FEBS letters

authors： Zong H,Li Z,Liu L,Hong Y,Yun X,Jiang J,Chi Y,Wang H,Shen X,Hu Y,Niu Z,Gu J

更新日期：2005-07-04 00:00:00

abstract：:Turnip yellow mosaic virus (TYMV) is a positive-strand RNA virus able to infect Arabidopsis thaliana. To establish a TYMV infection system in Arabidopsis cell culture, TYMV replicons with the capsid protein gene replaced by a reporter gene expressing the Sh ble protein conferring zeocin resistance were used to transfe...

journal_title：FEBS letters

authors： Camborde L,Tournier V,Noizet M,Jupin I

更新日期：2007-01-23 00:00:00

abstract：:We have studied the perfusion of the jejunum and ileum in an isolated rat intestine model with flavonoids and hydroxycinnamates and the influence of glycosylation on the subsequent metabolism. Flavone and flavonol glucosides and their corresponding aglycones are glucuronidated during transfer across the rat jejunum an...

journal_title：FEBS letters

authors： Spencer JP,Chowrimootoo G,Choudhury R,Debnam ES,Srai SK,Rice-Evans C

更新日期：1999-09-17 00:00:00

abstract：:The aim of the present study is to determine the role of intracellular Ca(2+) in VEGF signaling. We demonstrate that reduction in Ca(2+) by chelating compound BAPTA-AM or by IP(3)-endoplasmic reticulum blocker 2-APB selectively inhibited VEGF-induced activation of c-Src-PI3K-Akt but not ERK1/2 in human coronary artery...

journal_title：FEBS letters

authors： Lee M,Spokes KC,Aird WC,Abid MR

更新日期：2010-07-16 00:00:00