Pro-urokinase and prekallikrein are both associated with platelets. Implications for the intrinsic pathway of fibrinolysis and for therapeutic thrombolysis.

abstract：:Biotin synthase catalyses the last step of the biosynthesis of biotin in microorganisms and plants. The active protein isolated from Bacillus sphaericus and Escherichia coli contains an iron-sulphur (FeS) cluster. The native enzymes were depleted of their iron and inorganic sulphide and the resulting apoenzymes were c...

journal_title：FEBS letters

authors： Bui BT,Florentin D,Fournier F,Ploux O,Méjean A,Marquet A

更新日期：1998-11-27 00:00:00

abstract：:The herpesvirus life cycle has two distinct phases: latency and lytic replication. The viral immediate early protein replication and transcription activator (RTA) plays a central role in mediating the balance between these two phases. Here, we demonstrate that a B cell terminal differentiation factor X-box binding pro...

journal_title：FEBS letters

authors： Yu F,Feng J,Harada JN,Chanda SK,Kenney SC,Sun R

更新日期：2007-07-24 00:00:00

abstract：:A recombinant expression system was developed to analyse sequence determinants involved in O-glycosylation of proteins in mycobacteria. By expressing peptide sequences corresponding to known glycosylation sites within a chimeric lipoprotein construct, amino acids flanking modified threonine residues were found to have...

journal_title：FEBS letters

authors： Herrmann JL,Delahay R,Gallagher A,Robertson B,Young D

更新日期：2000-05-19 00:00:00

abstract：:The differential scanning microcalorimetry and fluorescence methods, using probes ANS and pyrene, have been employed to study thermotropic behaviour of rat liver microsomes in the presence and absence of Mg2+. Addition of Mg2+ yields three partially reversible phase transitions at 18, 27 and 32 degrees C, respectively...

journal_title：FEBS letters

authors： Akhrem AA,Kisel MA,Lunevich AY,Bokut SB,Andrianov VT,Kiselev PA

更新日期：1983-12-12 00:00:00

abstract：:Almost all eukaryotic mRNAs acquire a poly(A) tail at the 3'-end by a concerted RNA processing event: cleavage and polyadenylation. The canonical PAP, PAPα, was considered the only nuclear PAP involved in general polyadenylation of mRNAs. A phosphoinositide-modulated nuclear PAP, Star-PAP, was then reported to regulat...

journal_title：FEBS letters

authors： Laishram RS

更新日期：2014-06-27 00:00:00

abstract：:The thermal unfolding of the myosin subfragment 1 (S1) in its stable complex with ADP and beryllium fluoride (S1.ADP.BeF3-) was studied by differential scanning calorimetry. It has been shown that the structure of the S1 molecule in the S1.ADP.BeF3- complex is similar to that of S1 in its complex with ADP and orthovan...

journal_title：FEBS letters

authors： Bobkov AA,Khvorov NV,Golitsina NL,Levitsky DI

更新日期：1993-10-11 00:00:00

abstract：:In addition to their g = 1.94 EPR signal, nitrogenase Fe-proteins from Azotobacter vinelandii, Azotobacter chroococcum and Klebsiella pneumoniae exhibit a weak EPR signal with g approximately equal to 5. Temperature dependence of the signal was consistent with an S = 3/2 system with negative zero-field splitting, D = ...

journal_title：FEBS letters

authors： Hagen WR,Eady RR,Dunham WR,Haaker H

更新日期：1985-09-23 00:00:00

abstract：:The STARD1 subfamily of 'START' lipid trafficking proteins can reduce macrophage lipid content and inflammatory status (STARD1; StAR), and traffic cholesterol from endosomes (STARD3/MLN64). During macrophage differentiation, STARD1 mRNA and protein increase with sterol content, while the reverse is true for STARD3. St...

journal_title：FEBS letters

authors： Borthwick F,Taylor JM,Bartholomew C,Graham A

更新日期：2009-04-02 00:00:00

abstract：:A novel protein that binds specifically to the intracellular domain of the p55 tumor necrosis factor (TNF) receptor was cloned by two-hybrid screening of a HeLa cell cDNA library. Data bank searches revealed high sequence similarity of the protein (55.11) to yeast, nematode and plant proteins, whose functions are yet ...

journal_title：FEBS letters

authors： Boldin MP,Mett IL,Wallach D

更新日期：1995-06-19 00:00:00

abstract：:Epigenetic silencing mechanisms play an important role in chemoresistance of human cancer. Here we report the upregulated expression of metastasis-associated protein 1 (MTA1), a component of the nucleosome remodeling deacetylation (NuRD) complex, in chemoresistant prostate cancer (PCa). MTA1 knockdown in PC-3 cells in...

journal_title：FEBS letters

authors： Yu L,Su YS,Zhao J,Wang H,Li W

更新日期：2013-08-19 00:00:00

abstract：:We examined the role of p38 mitogen-activated protein (MAP) kinase in the tumor necrosis factor alpha (TNF-alpha)- or interleukin-1beta (IL-1beta)-induced production of interleukin-6 (IL-6) and interleukin-8 (IL-8) in fresh rheumatoid synovial fibroblast (RSF) cultures concomitantly with the induction of p38 MAP kinas...

journal_title：FEBS letters

authors： Suzuki M,Tetsuka T,Yoshida S,Watanabe N,Kobayashi M,Matsui N,Okamoto T

更新日期：2000-01-07 00:00:00

abstract：:Phosphorylation of H2AX is believed to be associated with the repair of damaged DNA. Recent findings suggest a novel function of H2AX in cellular apoptosis. Specifically, it was shown that ultraviolet A-activated JNK phosphorylates H2AX to regulate apoptosis. Here we show that serum starvation induces H2AX phosphoryla...

journal_title：FEBS letters

authors： Lu C,Shi Y,Wang Z,Song Z,Zhu M,Cai Q,Chen T

更新日期：2008-08-06 00:00:00

abstract：:Metabolic control theory is extended to include channelled metabolism in general. A simple relationship between the flux control by the enzymes and the degree of metabolite channelling is derived. This relationship suggests experiments in which modulation of gene expression allows one to quantify channelling. ...

journal_title：FEBS letters

authors： Kholodenko BN,Westerhoff HV

更新日期：1993-03-29 00:00:00

abstract：:In unicellular species codon usage is determined by mutational biases and natural selection. Among prokaryotes, the influence of these factors is different if the genome is skewed towards AT or GC, since in AT-rich organisms translational selection is absent. On the other hand, in AT-rich unicellular eukaryotes the tw...

journal_title：FEBS letters

authors： Naya H,Romero H,Carels N,Zavala A,Musto H

更新日期：2001-07-20 00:00:00

abstract：:Immunoblotting analysis was used to detect the microtubule-associated proteins present at different stages of rat brain development. Polyclonal antibodies were raised against the two main adult brain microtubule-associated proteins: MAP-2 (300 kDa) and TAU (60-70 kDa). Whatever the stage of development, anti-MAP-2 ser...

journal_title：FEBS letters

authors： Couchie D,Nunez J

更新日期：1985-09-02 00:00:00

abstract：:In freshly prepared low density lipoprotein (LDL), ascorbate inhibited LDL oxidation by macrophages at the higher concentrations tested (60-100 microM). In contrast, with LDL that had been allowed to autoxidise in the refrigerator (3 degrees C) for at least 10 weeks after isolation (mildly oxidised or minimally-modifi...

journal_title：FEBS letters

authors： Stait SE,Leake DS

更新日期：1994-03-21 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：:Human pepsinogen A3 and A5 have been purified to chromatographic and electrophoretic homogeneity. At pH 2 pepsinogen A3 activates at a much faster rate than pepsinogen A5. Leu-23-Lys-24 is the first bond cleaved during activation of pepsinogen A3. This bond is also cleaved in pepsinogen A5, but together with the cleav...

journal_title：FEBS letters

authors： Foltmann B

更新日期：1988-12-05 00:00:00

abstract：:Extracts of the alkaliphilic sulfur-oxidizing autotroph strain AL3 contained sulfide:cytochrome c oxidoreductase. This was active above pH 8, and was associated with the cell membranes. Although up to 60% of the initial activity was lost during Triton X-100 extraction, further purification resulted in an enzyme that c...

journal_title：FEBS letters

authors： Sorokin DYu,de Jong GA,Robertson LA,Kuenen GJ

更新日期：1998-05-01 00:00:00

abstract：:We show that N-1 in adenine of chromosomal DNA is methylated by treatment of metaphase chromosomes with dimethylsulphate while this is not the case in chromatin. The data on methylation are consistent with those obtained from the experiments with S1-nuclease treatment of chromatin and chromosomes. This suggests a disa...

journal_title：FEBS letters

authors： Belyaev ND,Budker VG,Dubrovskaya VA,Matveeva NM

更新日期：1983-04-18 00:00:00

abstract：:The C-termini of p66 and p51 forms of HIV-1 reverse transcriptase have been engineered to contain a Glu-Glu-Phe sequence recognized by a monoclonal antibody to alpha-tubulin, YL1/2. Mutated RTs were purified in a single step using peptide elution from columns of immobilized YL1/2. The known sequence requirements of th...

journal_title：FEBS letters

authors： Stammers DK,Tisdale M,Court S,Parmar V,Bradley C,Ross CK

更新日期：1991-06-03 00:00:00

abstract：:'Peripheral' binding sites for benzodiazepines are under neural or homonal control in the pineal gland, olfactory bulb, and kidney. These observations prompted a search for an endogenous substance which could modulate these sites under physiological conditions. Acidified methanol extracts from several tissues (e.g. st...

journal_title：FEBS letters

authors： Mantione CR,Weissman BA,Goldman ME,Paul SM,Skolnick P

更新日期：1984-10-15 00:00:00

abstract：:SecM in Escherichia coli has two functionally crucial regions. The arrest motif near the C-terminus interacts with the ribosomal exit tunnel to arrest its own translational elongation. The signal sequence at the N-terminus directs the SecM nascent polypeptide to the Sec-mediated export pathway to release the arrested ...

journal_title：FEBS letters

authors： Nakamori K,Chiba S,Ito K

更新日期：2014-08-25 00:00:00

abstract：:Mutations in PTEN-induced putative kinase 1 (PINK1) cause recessive form of Parkinson's disease (PD). PINK1 acts upstream of parkin, regulating mitochondrial integrity and functions. Here, we show that PINK1 in combination with parkin results in the perinuclear mitochondrial aggregation followed by their elimination. ...

journal_title：FEBS letters

authors： Kawajiri S,Saiki S,Sato S,Sato F,Hatano T,Eguchi H,Hattori N

更新日期：2010-03-19 00:00:00

abstract：:Anti-cytokine autoantibodies in healthy individuals have been widely reported but the occurrence is variable and inconstant. We hypothesized that cytokine-binding in vivo may explain their variable and infrequent detection. Therefore, we focused on the detection of the cytokine-autoantibody complexes and found that an...

journal_title：FEBS letters

authors： Watanabe M,Uchida K,Nakagaki K,Kanazawa H,Trapnell BC,Hoshino Y,Kagamu H,Yoshizawa H,Keicho N,Goto H,Nakata K

更新日期：2007-05-15 00:00:00

abstract：:The possible in vivo interaction of the Nicotiana tabacum agglutinin (Nictaba) with endogenous glycoproteins was corroborated using a combination of confocal/electron microscopy of an EGFP-Nictaba fusion protein expressed in tobacco Bright Yellow-2 (BY-2) cells and biochemical analyses. In vitro binding studies demons...

journal_title：FEBS letters

authors： Lannoo N,Peumans WJ,Pamel EV,Alvarez R,Xiong TC,Hause G,Mazars C,Van Damme EJ

更新日期：2006-11-27 00:00:00

abstract：:A yeast two-hybrid screen revealed that regulatory subunits (RII) of PKAII bind the Yotiao protein. Yotiao interacts with the NR1 subunit of the NMDA receptor. A purified C-terminal fragment of Yotiao binds PKAII, via an RII binding site constituted by amino acid residues 1452-1469, with a dissociation constant (K(d))...

journal_title：FEBS letters

authors： Feliciello A,Cardone L,Garbi C,Ginsberg MD,Varrone S,Rubin CS,Avvedimento EV,Gottesman ME

更新日期：1999-12-31 00:00:00

abstract：:Nuclear factor of activated T cells (NFATc4) has been implicated as a critical regulator of the cardiac development and hypertrophy. However, the mechanisms for regulating NFATc4 stability and transactivation remain unclear. We showed that NFATc4 protein was predominantly ubiquitinated through the formation of Lysine ...

journal_title：FEBS letters

authors： Fan Y,Xie P,Zhang T,Zhang H,Gu D,She M,Li H

更新日期：2008-12-10 00:00:00

abstract：:The ATPase activity of DnaK, the 70-kDa chaperone of Escherichia coli, is stimulated by an unfolded protein. However, the stimulation of the DnaK ATPase by unfolded bovine pancreatic trypsin inhibitor can only be observed at low DnaK protein concentrations. At higher DnaK concentrations, the ATPase activity of DnaK ca...

journal_title：FEBS letters

authors： Richarme G,Kohiyama M

更新日期：1993-05-17 00:00:00

abstract：:Phosphatase and tensin homolog deleted on chromosome 10 (PTEN) is known to act as a lipid phosphatase hydrolyzing phosphatidylinositol (PI)(3,4,5)P(3) to PI(4,5)P(2). Since the PI3-kinase product, PI(3,4,5)P(3), is an important second messenger leading to the metabolic action of insulin, PTEN functions as a potent neg...

journal_title：FEBS letters

authors： Ishihara H,Sasaoka T,Kagawa S,Murakami S,Fukui K,Kawagishi Y,Yamazaki K,Sato A,Iwata M,Urakaze M,Ishiki M,Wada T,Yaguchi S,Tsuneki H,Kimura I,Kobayashi M

更新日期：2003-11-20 00:00:00