Di(1,N6-ethenoadenosine)5', 5'''-P1,P4-tetraphosphate, a fluorescent enzymatically active derivative of Ap4A.

abstract：:The non-ionic detergent Brij 58P is recommended as a stabilizing agent for protein storage; for example, the aggregation-prone chaperone DnaJ can be maintained in solution by low concentrations of Brij 58P. During protein folding studies with alpha-glucosidase, rhodanese and citrate synthase as model proteins, we disc...

journal_title：FEBS letters

authors： Krause M,Rudolph R,Schwarz E

更新日期：2002-12-04 00:00:00

abstract：:Exposure of HeLa and HL60 cells to sodium arsenite or cadmium chloride led to marked increases in cellular heme oxygenase activity. SDS-polyacrylamide gel electrophoresis of [35S]methionine-labeled cellular proteins indicated that these treatments also resulted in the induction of a 32-kDa protein. Immunoblot analysis...

journal_title：FEBS letters

authors： Taketani S,Kohno H,Yoshinaga T,Tokunaga R

更新日期：1989-03-13 00:00:00

abstract：:To identify the linear epitope for Fc-binding on the bovine IgG2 Fc receptor (boFcgamma2R), peptides derived from the membrane-distal extracellular domain (EC1) of boFcgamma2R corresponding to the homologous region of human FcalphaRI were synthesized. Binding of bovine IgG2 to the different peptides was tested by Dot-...

journal_title：FEBS letters

authors： Zhang G,Guo J,Zhou J,Wang X,Li Q,Yang Y,Shen H,Zhao D,Zhang H,Xi J,Wang L,Qiao S,Jin X

更新日期：2006-02-20 00:00:00

abstract：:The structural basis of GABA-gated chloride channels in mammalian brain is presently explored by the functional expression of cDNAs coding for the alpha, beta or gamma-subunits of the receptor and their isoforms. In this context, we expressed the cloned cDNA coding for the rat beta 1-subunit of the GABAA receptor in t...

journal_title：FEBS letters

authors： Sigel E,Baur R,Malherbe P,Möhler H

更新日期：1989-11-06 00:00:00

abstract：:Induction of differentiation in HL-60 and U-937 leukemic cell lines, resulted in 1.5-10-fold increase in 45Ca2+ uptake. The increased 45Ca2+ uptake in the differentiating cells was inhibited by verapamil, cromolyn and amiloride. Elevation in Ca2+ uptake in differentiating cells was also demonstrated using the fluoresc...

journal_title：FEBS letters

authors： Rephaeli A,Aviram A,Englender T,Shaklai M

更新日期：1988-08-29 00:00:00

abstract：:This study describes evidence for the absorption of flavonoids and their presence in human plasma in the glycosylated form by HPLC analysis with photodiode array detection. Rutin and other quercetin glycosides, phloridzin, as well as an anthocyanin are detected simultaneously. In addition, a compound eluting with the ...

journal_title：FEBS letters

authors： Paganga G,Rice-Evans CA

更新日期：1997-01-13 00:00:00

abstract：:Agonist-induced changes in expression and mRNA levels of luteinizing hormone (LH) receptors were compared during stimulation of ovarian follicular maturation and luteinization by gonadotropic hormones. Three major species of LH receptor mRNA, 5.8, 2.6 and 2.3 kb, were present throughout differentiation and changed sim...

journal_title：FEBS letters

authors： Hu ZZ,Tsai-Morris CH,Buczko E,Dufau ML

更新日期：1990-11-12 00:00:00

abstract：:A 3.3 kb cDNA encoding the complete amino acid sequence of a calcium/calmodulin regulated protein phosphatase has been isolated from a Drosophila eye disc cDNA library. The predicted protein of 560 amino acids (molecular mass 62 kDa) is 73-78% identical to human PP2B isoforms. The cDNA hybridised to the X-chromosome a...

journal_title：FEBS letters

authors： Brown L,Chen MX,Cohen PT

更新日期：1994-02-14 00:00:00

abstract：:A simple method for isolation and fluorescence labelling of Leydig cells (L-cells) from rat testes was developed. Lateral diffusion coefficients of both lipid and protein membrane fluorescent probes were measured by the method of fluorescence recovery after photobleaching (FRAP). Age-dependent changes in diffusibility...

journal_title：FEBS letters

authors： Zlatanov IV,Foley M,Birmingham J,Garland PB

更新日期：1987-09-28 00:00:00

abstract：:The presence of G-proteins in the eyespot fraction of Chlamydomonas reinhardtii is shown. This fraction is capable of binding (GTP gamma[35S], possesses the GTPase activity and interacts with antibodies raised against a highly conserved peptide of most G-proteins' alpha-subunit. Cross-reaction with a 24-kDa protein is...

journal_title：FEBS letters

authors： Korolkov SN,Garnovskaya MN,Basov AS,Chunaev AS,Dumler IL

更新日期：1990-09-17 00:00:00

abstract：:14-3-3s predominantly form homo-/heterodimers that are in equilibrium with corresponding monomers. Dimer/monomer equilibrium depends on the nature and phosphorylation of Ser58 of certain 14-3-3 isoforms. The structure and properties of 14-3-3 dimers are well characterized, whereas 14-3-3 monomers are less investigated...

journal_title：FEBS letters

authors： Sluchanko NN,Gusev NB

更新日期：2012-12-14 00:00:00

abstract：:The structure of GE82832, a translocation inhibitor produced by a soil microorganism, is shown to be highly related to that of dityromycin, a bicyclodecadepsipeptide antibiotic discovered long ago whose characterization had never been pursued beyond its structural elucidation. GE82832 and dityromycin were shown to int...

journal_title：FEBS letters

authors： Brandi L,Maffioli S,Donadio S,Quaglia F,Sette M,Milón P,Gualerzi CO,Fabbretti A

更新日期：2012-09-21 00:00:00

abstract：:Cellulysin, a crude cellulase from the plant parasitic fungus Trichoderma viride, induces the biosynthesis of volatiles in higher plants (Nicotiana plumbaginifolia, Phaseolus lunatus, and Zea mays) when applied to cut petioles by the transpiration stream. The pattern of the emitted volatiles largely resembles that fro...

journal_title：FEBS letters

authors： Piel J,Atzorn R,Gäbler R,Kühnemann F,Boland W

更新日期：1997-10-20 00:00:00

abstract：:Eucaryotic DNA is punctuated by many A+T-rich segments that we named A+T-rich linkers. Two types of these A+T-rich linkers can be distinguished: (i) isolated A+T-rich linkers, and (ii) A+T-rich linkers crowded in clusters. We have analysed the distribution of A+T-rich linker across the alpha- and beta-globin gene doma...

journal_title：FEBS letters

authors： Moreau J,Scherrer K

更新日期：1987-08-31 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：:Polyinosinic-polycytidylic acid, a potent inducer of inducer of interferon (IFN) production and activator of some IFN-induced enzymes, inhibits [3H]uridine incorporation into the RNA of vesicular stomatitis virus even in the absence of IFN synthesis, transiently triggers the breakdown of inositol phospholipids and act...

journal_title：FEBS letters

authors： Premecz G,Markovits A,Bagi G,Farkas T,Földes I

更新日期：1987-12-21 00:00:00

abstract：:Ascorbic acid uptake was investigated in isolated, plated human neutrophils using high-performance liquid chromatography with coulometric electrochemical detection. Freshly isolated neutrophils contained 1.3 mM ascorbic acid and accumulated significantly greater amounts when physiologic concentrations of the vitamin w...

journal_title：FEBS letters

authors： Washko P,Rotrosen D,Levine M

更新日期：1990-01-15 00:00:00

abstract：:Adenosine and ATP modulate cellular and tissue functions via specific P1 and P2 receptors, respectively. Although, in general, adenosine inhibits excitability and ATP functions as an excitatory transmitter in the central nervous system, little is known about the direct interaction between P1 and P2 receptors. We recen...

journal_title：FEBS letters

authors： Yoshioka K,Hosoda R,Kuroda Y,Nakata H

更新日期：2002-11-06 00:00:00

abstract：:T helper 1 (Th1) cell fate is induced by overlapping signaling pathways, whose kinetic principles and regulatory motifs are largely unknown. We identified a simple positive feedback loop in the STAT4 signaling pathway, whereby activation by IL-12 leads to the increased expression in IL-12 receptor. A computational ana...

journal_title：FEBS letters

authors： Becskei A,Grusby MJ

更新日期：2007-11-13 00:00:00

abstract：:Calpastatin molecule contains four repeated inhibition domains, each having highly conserved internal regions A, B and C. The synthetic oligopeptides of regions A and C had no calpain inhibition activity while region B oligopeptide showed weak inhibition activity. Real-time biomolecular interaction analysis using a BI...

journal_title：FEBS letters

authors： Takano E,Ma H,Yang HQ,Maki M,Hatanaka M

更新日期：1995-03-27 00:00:00

abstract：:Here we present a method to purify large amounts of highly pure and stably arrested ribosome-nascent chain complexes (RNCs) from Escherichia coli cells. It relies on the combined use of translation-arrest sequences to generate nascent polypeptides of specified length and subsequent tag purification of the RNCs. Moreov...

journal_title：FEBS letters

authors： Rutkowska A,Beerbaum M,Rajagopalan N,Fiaux J,Schmieder P,Kramer G,Oschkinat H,Bukau B

更新日期：2009-07-21 00:00:00

abstract：:Two new three-disulfide intermediates have been found to be populated in the oxidative folding pathway of bovine pancreatic ribonuclease A at a low temperature (15 degrees C). These intermediates, des-[26-84] and des-[58-110], possess all but one of the four native disulfide bonds and have a stable tertiary structure,...

journal_title：FEBS letters

authors： Welker E,Narayan M,Volles MJ,Scheraga HA

更新日期：1999-11-05 00:00:00

abstract：:Bispecific miniantibodies were constructed by genetically fusing the C(H)1 domain of an IgG1 to the C-terminus of a single-chain Fv fragment (scFv-425), specific for the EGF receptor, and fusing the C(L) domain of a kappa light chain to the C-terminus of a scFv specific for CD2 (scFv-M1). An efficient dicistronic gene...

journal_title：FEBS letters

authors： Müller KM,Arndt KM,Strittmatter W,Plückthun A

更新日期：1998-01-30 00:00:00

abstract：:The pl6INK4a tumor suppressor negatively regulates progression through the G1 phase of the mammalian cell cycle. To mimic the downmodulation of p16INK4a commonly seen in cancer, we designed and characterized a hammerhead ribozyme against exon E1alpha of the murine pl6INK4a transcript. Stable expression of the ribozyme...

journal_title：FEBS letters

authors： Nylandsted J,Rohde M,Bartek J,Strauss M

更新日期：1998-09-25 00:00:00

abstract：:De novo synthesis of total and ribosomal ribonucleic acids has been studied during the early stages of Artemia sp. development. By in vivo incorporation studies of [14C]HCO3- an increase has been found in both total and ribosomal RNA synthesis post hatching, with a similar distribution of radioactivity and base compos...

journal_title：FEBS letters

authors： Liras A,Hernández Cruz MC,Rotllán P,Argomaniz L,Llorente P

更新日期：1989-09-25 00:00:00

abstract：:We have previously identified an ESE in NF1 exon 37 whose disruption by the pathological mutation c.6792C>G caused aberrant splicing. We now investigate the RNA-protein complexes affected by the c.6792C>G mutation observing that this concurrently decreases the affinity for the positive splicing factor YB-1 and increas...

journal_title：FEBS letters

authors： Skoko N,Baralle M,Buratti E,Baralle FE

更新日期：2008-06-25 00:00:00

abstract：:SSTR3, a somatostatin (SST) receptor, is an adenylyl cyclase (AC)-inhibiting receptor. To assign the G-protein alpha-subunit (G alpha) linked to this receptor, we created a novel reporter system which utilizes the well-established facts that the C-terminal 5 residues of G alpha are the receptor contact site and G alph...

journal_title：FEBS letters

authors： Komatsuzaki K,Murayama Y,Giambarella U,Ogata E,Seino S,Nishimoto I

更新日期：1997-04-07 00:00:00

abstract：:We have used a panel of monoclonal antibodies in a study of the expression of multiple tubulins in Physarum polycephalum. Three anti-beta-tubulin monoclonal antibodies, DM1B, DM3B3 and KMX-1 all reacted with the beta 1-tubulin isotypes expressed in both myxamoebae and plasmodia. However, these antibodies showed a spec...

journal_title：FEBS letters

authors： Birkett CR,Foster KE,Johnson L,Gull K

更新日期：1985-08-05 00:00:00

abstract：:Replacements of Asp-295 by Asn (D295N) and Glu (D295E) decreased the catalytic center activity of Leuconostoc mesenteroides sucrose phosphorylase to about 0.01% of the wild-type level (k(cat)=200s(-1)). Glucosylation and deglucosylation steps of D295N were affected uniformly, approximately 10(4.3)-fold, and independen...

journal_title：FEBS letters

authors： Mueller M,Nidetzky B

更新日期：2007-04-03 00:00:00

abstract：:The NFkappaB family of transcription factors is regulated by inhibitory IkappaB proteins. A diversity of stimuli leads to the phosphorylation and subsequent degradation of IkappaB, releasing NFkappaB to act on its target genes. Calmodulin (CaM) is a key regulator of numerous cellular processes and is the predominant i...

journal_title：FEBS letters

authors： Hughes K,Antonsson A,Grundstrøm T

更新日期：1998-12-11 00:00:00