Time-resolved fluorometry of purple membrane of Halobacterium halobium. O640 and an O-like red-shifted intermediate Q.

abstract：:Replacement of tryptophan 392 located in the active site cavity of pyruvate decarboxylase (PDC; EC 4.1.1.1) from Zymomonas mobilis by methionine or glutamine yields enzymes with smaller catalytic constants of 8.5 s(-1) and 3.6 s(-1) at 4 degrees C, compared to that of the wild-type enzyme (17 s(-1)). The rate constant...

journal_title：FEBS letters

authors： Tittmann K,Mesch K,Pohl M,Hübner G

更新日期：1998-12-28 00:00:00

abstract：:Physiological and pathophysiological differences exist between the left and right kidneys; however, the molecular bases for these differences remain unknown. Since miRNAs are involved in kidney function and the development of kidney diseases, we examined their differential expression through miRNA profiling of the lef...

journal_title：FEBS letters

authors： Gao Y,Yang W,Jin L,Xue L,Yang J,Cui Q

更新日期：2020-02-01 00:00:00

abstract：:Recently, reports have appeared which show structural variations in B-DNA and indicate deviations from a uniform helical structure. We report for the first time that these indications are also present in the B-form fibre diffraction patterns for the lithium salt of natural DNA. We have used an improved method of contr...

journal_title：FEBS letters

authors： Dutta S,Parrack PK,Sasisekharan V

更新日期：1984-10-15 00:00:00

abstract：:Exposure of human proliferative cells to subcytotoxic stress triggers stress-induced premature senescence (SIPS) which is characterized by many biomarkers of replicative senescence. Proteomic comparison of replicative senescence and stress-induced premature senescence indicates that, at the level of protein expression...

journal_title：FEBS letters

authors： Dierick JF,Kalume DE,Wenders F,Salmon M,Dieu M,Raes M,Roepstorff P,Toussaint O

更新日期：2002-11-20 00:00:00

abstract：:The nucleotide sequences of the dnaQ genes from Salmonella typhimurium and Buchnera aphidicola, encoding the epsilon-subunit of the DNA polymerase III holoenzyme, have been determined. The Salmonella typhimurium dnaQ protein consists of 243 amino acid residues with a calculated molecular weight of 27224. The Buchnera ...

journal_title：FEBS letters

authors： Huang Y,Braithwaite DK,Ito J

更新日期：1997-01-02 00:00:00

abstract：:Subclinical inflammation is a candidate etiological factor in the pathogenesis of metabolic syndrome and in the progression of atherosclerosis. A central role for activated macrophages has been elucidated recently as important regulators of the inflammatory process in atherosclerosis. Macrophage differentiation and fu...

journal_title：FEBS letters

authors： Szanto A,Roszer T

更新日期：2008-01-09 00:00:00

abstract：:Polysulfide is a bound sulfur species derived from endogenous H2S. When mouse neuroblastoma, Neuro2A cells were exposed to tert-butyl hydroperoxide after treatment with polysulfide, a significant decline in cell toxicity was observed. Rapid uptake of polysulfides induced translocation of Nrf2 into the nucleus, resulti...

journal_title：FEBS letters

authors： Koike S,Ogasawara Y,Shibuya N,Kimura H,Ishii K

更新日期：2013-11-01 00:00:00

abstract：:FoxM1 (previously named WIN, HFH-11 or Trident) is a Forkhead box (Fox) transcription factor widely expressed in proliferating cells. Various findings, including a recent analysis of FoxM1 knockout mice, suggest that FoxM1 is required for normal S-M coupling during cell cycle progression. To study the regulatory role ...

journal_title：FEBS letters

authors： Leung TW,Lin SS,Tsang AC,Tong CS,Ching JC,Leung WY,Gimlich R,Wong GG,Yao KM

更新日期：2001-10-19 00:00:00

abstract：:Antiparaoxon immune sera were employed in a new immunoassay based on competition between acetylcholinesterase and antibodies for the binding of paraoxon. Unlike radioimmunoassay, the new assay described herein can be extended to predict the feasibility of antibodies to confer in vivo protection of acetylcholinesterase...

journal_title：FEBS letters

authors： Heldman E,Balan A,Horowitz O,Ben-Zion S,Torten M

更新日期：1985-01-28 00:00:00

abstract：:Isolated mitotic chromosomes are able to form complexes with phosphatidylcholine liposomes in the presence and absence of Ca2+ ions, in the latter case in the presence of polyamines. Interactions with chromosomes stimulates liposome fusion. The fusion is promoted by condensed and EDTA-decondensed chromosomes. ...

journal_title：FEBS letters

authors： Balakireva LA,Belyaev ND,Budker VG,Kiseleva EV

更新日期：1991-06-24 00:00:00

abstract：:Different bioinformatics methods illuminate different aspects of protein function, from specific catalytic activities to broad functional categories. Here, a triple-pronged approach to predict function for a domain of unknown function, DUF2086, is applied. Distant homology to characterised enzymes and conservation of ...

journal_title：FEBS letters

authors： Mello LV,Rigden DJ

更新日期：2012-11-02 00:00:00

abstract：:In nucleus, eIF4E regulates the nucleus export of specific mRNA. In this study, altered 4E-BP3 (eIF4E-binding protein 3) expression resulted in profoundly affected cyclin D1 protein levels, partially due to changes in the cytoplasmic cyclin D1 mRNA levels in both U2OS and MCF7 cells, whereas altered 4E-BP1 expression ...

journal_title：FEBS letters

authors： Chen CC,Lee JC,Chang MC

更新日期：2012-07-30 00:00:00

abstract：:In order to study the function of the bovine MAP4 microtubule-binding domain (the assembly-promoting (AP) sequence region), a fragment corresponding to the AP sequence region was prepared using an Escherichia coli expression system. When the fragment was mixed with purified tubulin at 37 degrees C, the fragment caused...

journal_title：FEBS letters

authors： Katsuki M,Tokuraku K,Nakagawa H,Murofushi H,Kotani S

更新日期：1997-11-24 00:00:00

abstract：:The early embryonic development of Xenopus is mainly governed by post-transcriptional regulations until the mid-blastula transition. In this report, we present evidence demonstrating that fertilization of Xenopus eggs triggers a complete translational arrest of mRNAs containing UA-rich elements in their 3'-untranslate...

journal_title：FEBS letters

authors： Marinx O,Bertrand S,Karsenti E,Huez G,Kruys V

更新日期：1994-05-30 00:00:00

abstract：:Activated p38gamma MAP kinase exhibited significant basal ATPase activity in the absence of a kinase substrate, and addition of a phosphoacceptor substrate increased k(cat)/K(m)20-fold. AMP-PCP was competitive with ATP binding and non-competitive with phosphoacceptor substrate binding. The nucleotide binding site affi...

journal_title：FEBS letters

authors： Fox T,Fitzgibbon MJ,Fleming MA,Hsiao HM,Brummel CL,Su MS

更新日期：1999-11-19 00:00:00

abstract：:Polypeptides rich in glutamic acid are strong inhibitors purified from isolated nuclei of Xenopus laevis oocytes of casein kinase II. The presence of tyrosine in these peptides greatly enhances their inhibitory capacity. Using casein as a substrate, copolyglu:tyr (4:1) has an I50 value of 20 nM, 250 fold lower than th...

journal_title：FEBS letters

authors： Tellez R,Gatica M,Allende CC,Allende JE

更新日期：1990-06-04 00:00:00

abstract：:We previously reported that daily intraperitoneal injections of oleamide weakly inhibits the spontaneous metastasis of BL6 cells by blocking the gap junction-mediated intercellular communications (GJIC) of connexin 26 (Cx26). In the present study, we tested camellia oil, olive oil and cottonseed oil which are rich in ...

journal_title：FEBS letters

authors： Miura D,Kida Y,Nojima H

更新日期：2007-05-29 00:00:00

abstract：:A human vesicular monoamine transporter cDNA has been identified by screening a human brainstem library using sequences from the rat brain synaptic vesicle monoamine transporter (SVMT) [(1992) Cell 70, 539-551; (1992) Proc. Natl. Acad. Sci. USA 89, 10993-10997]. The hSVMT shares 92% amino acid identity with the rat se...

journal_title：FEBS letters

authors： Surratt CK,Persico AM,Yang XD,Edgar SR,Bird GS,Hawkins AL,Griffin CA,Li X,Jabs EW,Uhl GR

更新日期：1993-03-08 00:00:00

abstract：:The minimal functional enzyme unit of Na,K-ATPase consists of an alpha-beta complex. The alpha-subunit bears all functional domains of the enzyme and so far a regulatory role for the beta-subunit in the catalytic cycle has not been established. On the other hand, increasing experimental evidence suggests that the beta...

journal_title：FEBS letters

authors： Geering K

更新日期：1991-07-22 00:00:00

abstract：:The heterotrophic nitrifier Paracoccus denitrificans expresses a membrane-associated ammonia monooxygenase. The active enzyme has been solubilized in the detergent dodecyl-beta-D-maltoside and purified by standard chromatographic techniques. This is the first purification of an ammonia monooxygenase. The enzyme consis...

journal_title：FEBS letters

authors： Moir JW,Crossman LC,Spiro S,Richardson DJ

更新日期：1996-05-27 00:00:00

abstract：:Nuclear proteins are actively and posttranslationally transported across the nuclear envelope. This transport is a highly selective process that can be divided into two steps, receptor-binding followed by translocation through the nuclear envelope. Receptor-binding is mediated by nuclear localization signals that have...

journal_title：FEBS letters

authors： Wagner P,Kunz J,Koller A,Hall MN

更新日期：1990-11-26 00:00:00

abstract：:Oscillations of free intracellular calcium [Ca2+]i were seen in individual Jurkat cells as response to a 50 Hz, 0.15 mT magnetic field (MF). In contrast, a CD45-deficient Jurkat cell line was unable to respond to MF stimulation. The phosphatase activity of CD45 has been implicated to regulate p56lck tyrosine kinase ac...

journal_title：FEBS letters

authors： Lindström E,Berglund A,Mild KH,Lindström P,Lundgren E

更新日期：1995-08-14 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：:We previously showed that P4-ATPases, ATP10A/ATP8B1, and ATP11A/ATP11C have flippase activities toward phosphatidylcholine (PC), and aminophospholipids [phosphatidylserine (PS) and phosphatidylethanolamine], respectively. Here, we investigate the effect of PC-specific flippases versus aminophospholipid-specific flippa...

journal_title：FEBS letters

authors： Miyano R,Matsumoto T,Takatsu H,Nakayama K,Shin HW

更新日期：2016-07-01 00:00:00

abstract：:Complex I (NADH:ubiquinone oxidoreductase) is the first and largest protein complex of the oxidative phosphorylation. Crystal structures have elucidated the positions of most subunits of bacterial evolutionary origin in the complex, but the positions of the eukaryotic subunits are unknown. Based on the analysis of seq...

journal_title：FEBS letters

authors： Szklarczyk R,Wanschers BF,Nabuurs SB,Nouws J,Nijtmans LG,Huynen MA

更新日期：2011-03-09 00:00:00

abstract：:The effect on the structure of profilin of phosphatidylinositol 4,5-bisphosphate (PIP2) binding was probed by fluorescence and circular dichroism (CD) spectroscopy. Fluorescence of Trp3 and Trp31 of profilin at 292 nm showed a linear decrease in solution emission at 340 nm as PIP2/profilin was increased from 0 to 80:1...

journal_title：FEBS letters

authors： Raghunathan V,Mowery P,Rozycki M,Lindberg U,Schutt C

更新日期：1992-02-03 00:00:00

abstract：:A novel regulation type, which may be observed as an unusual kinetic 'cooperativity', is predicted for the alpha-keto acid dehydrogenase complexes. The inter-relationship of this regulation with the well-known regulatory effect of enzyme phosphorylation is discussed. ...

journal_title：FEBS letters

authors： Goldstein BN,Selivanov VA

更新日期：1993-03-22 00:00:00

abstract：:The gene for titin, a 4MDa myofibrillar protein, was analysed in golden hamster DNAs from different sources, using human cDNA probes and PCR. In the DNA from the BHK-21-Bi subline of baby hamster kidney cells, extended sequences coding for Z-line associated domains were missing, indicating a deletion that renders titi...

journal_title：FEBS letters

authors： Jäckel M,Witt C,Antonova O,Curdt I,Labeit S,Jockusch H

更新日期：1997-05-12 00:00:00

abstract：:The effects of synthetic rat adrenomedullin (rAM), a novel vasorelaxant peptide originally isolated from human pheochromocytoma, on receptor binding and cAMP generation were studied in cultured rat vascular smooth muscle cells (VSMC). A binding study using [125I]rAM revealed the presence of a single class of high-affi...

journal_title：FEBS letters

authors： Eguchi S,Hirata Y,Kano H,Sato K,Watanabe Y,Watanabe TX,Nakajima K,Sakakibara S,Marumo F

更新日期：1994-03-07 00:00:00

abstract：:The essential role of Factor VIII:C (FVIII:C, anti-hemophilia factor A) as a cofactor for Factor IXa-dependent activation of Factor X has been established. In this paper, we describe that capillary endothelial cells from bovine adrenal medulla express active FVIII:C gene. Accumulation of FVIII:C in conditioned media f...

journal_title：FEBS letters

authors： Banerjee DK,Tavárez JJ,Oliveira CM

更新日期：1992-07-13 00:00:00