Enhancement of the frequency of initiation by a stimulatory protein of RNA polymerase II.

abstract：:A spectrofluorometric method for sensitive determination of metalloendopeptidase activity has been developed by using a bimane-peptide containing a tryptophan residue, i.e. 1,7-dioxo-2,5,6-trimethyl-1H,7H-pyrazolo[1,2-alpha]pyrazol-3-yl-methyl- thiomethylcarbonyl-phenylalanyl-tryptophanyl-leucine (Bim-SCH2CO-Phe-Trp-L...

journal_title：Journal of biochemistry

authors： Kajiwara K,Kumazaki T,Sato E,Kanaoka Y,Ishii S

更新日期：1991-09-01 00:00:00

abstract：:We examined the effect of porcine brain Ca2+-dependent regulator (CDR) protein on microtubule (MT) assembly from microtubular proteins isolated from porcine brain by temperature-dependent cycles of assembly-disassembly. CDR exhibited a potent inhibitory effect on MT assembly in the presence of Ca2+, whereas it had lit...

journal_title：Journal of biochemistry

authors： Nishida E,Kumagai H,Ohtsuki I,Sakai H

更新日期：1979-05-01 00:00:00

abstract：:Peptide:N-glycanase (PNGase) is the enzyme responsible for de-N-glycosylation of misfolded glycoproteins in the cytosol. Here, we report the molecular identification and characterization of PNGase (png-1, F56G4.5) from Caenorhabditis elegans. This enzyme released both high mannose- and complex-type N-glycans from glyc...

journal_title：Journal of biochemistry

authors： Kato T,Kawahara A,Ashida H,Yamamoto K

更新日期：2007-08-01 00:00:00

abstract：:The localization of GTP-binding protein (G-protein) subunits, Go alpha, Gi2 alpha and beta, in subcellular fractions of rat cerebral cortex was determined by means of immunoassays specific for the respective subunits. High concentrations of all three subunits were observed in both crude mitochondrial and microsomal fr...

journal_title：Journal of biochemistry

authors： Asano T,Nagahama M,Kato K

更新日期：1990-05-01 00:00:00

abstract：:A comparative study of vertebrate ventricle tropomyosin has been carried out from the viewpoint of molecular evolution. The ventricles containing one-component tropomyosin were generally known, and in this paper those containing two components were also found in 8 species among mammals, reptiles, amphibia, and fish, b...

journal_title：Journal of biochemistry

authors： Yamane A,Hirabayashi T

更新日期：1985-05-01 00:00:00

abstract：:The ATPase inhibitor from yeast, Saccharomyces cerevisiae, was found to strongly inhibit the ATPase activity when it was preincubated in an acidic pH region. This paper describes the conformational changes of the inhibitor in the acidic pH region, as studied by 1H NMR spectroscopy. In the pH range from 7.43 to 4.48, t...

journal_title：Journal of biochemistry

authors： Fujii S,Hashimoto T,Yoshida Y,Miura R,Yamano T,Tagawa K

更新日期：1983-01-01 00:00:00

abstract：:A simple, sensitive and reliable method for the detection of cystine-containing peptides has been developed. A peptide bridged with a disulfide bond was reduced and cleaved with tributylphosphine, and then coupled with a thiol specific reagent, ammonium 7-fluorobenzo-2-oxa-1,3-diazole-4-sulfonate, under alkaline condi...

journal_title：Journal of biochemistry

authors： Sueyoshi T,Miyata T,Iwanaga S,Toyo'oka T,Imai K

更新日期：1985-06-01 00:00:00

abstract：:Using an immunoblotting technique, we have studied the processing of plasma proteins in subcellular fractions of rat liver including rough and smooth microsomes and the Golgi subfractions. Each subcellular fraction was directly subjected to SDS-polyacrylamide gel electrophoresis and analyzed by immunoblotting with ant...

journal_title：Journal of biochemistry

authors： Oda K,Miki K,Hirose S,Takami N,Misumi Y,Ikehara Y

更新日期：1986-12-01 00:00:00

abstract：:Gelatinase was extracted at 60 degrees C from the collagen fiber-rich fraction of granulation tissue induced by carrageenin in rats. A large part of the extracted gelatinase was unbound to Zn-chelating Sepharose. The unbound gelatinase gave a single band corresponding to a molecular mass of 57 kDa on SDS-substrate PAG...

journal_title：Journal of biochemistry

authors： Nakagawa H,Hirata M,Hoshino K,Sakata K,Hatakeyama S

更新日期：1990-09-01 00:00:00

abstract：:Catalase from Aspergillus niger was purified to homogeneity as judged from the results of ultracentrifugation and polyacrylamide gel electrophoresis. The enzyme had a molecular weight of 385,000 as estimated from sedimentation measurements. Carbohydrate analyses showed that the catalase was a glycoprotein containing a...

journal_title：Journal of biochemistry

authors： Kikuchi-Torii K,Hayashi S,Nakamoto H,Nakamura S

更新日期：1982-11-01 00:00:00

abstract：:The structure and expression of the pentraxins, serum amyloid P component (SAP), and C-reactive protein (CRP), have been investigated in the guinea pig. Northern blot analysis of hepatic RNA from animals in which acute inflammation had been induced by intraperitoneal injection of thioglycollate established that neithe...

journal_title：Journal of biochemistry

authors： Rubio N,Sharp PM,Rits M,Zahedi K,Whitehead AS

更新日期：1993-03-01 00:00:00

abstract：:The effects of unsaturated fatty acids on the activities of peroxisomal enzymes of Tetrahymena pyriformis were investigated. When saturated fatty acids and the corresponding unsaturated fatty acids (C18) were added to the culture medium at 0.05%, the activities of peroxisomal enzymes [fatty acyl-CoA oxidase (FAO), car...

journal_title：Journal of biochemistry

authors： Gotoh K,Takei M,Watanabe T,Suga T

更新日期：1986-10-01 00:00:00

abstract：:Several proteins in the mammalian endoplasmic reticulum are substrates for protein kinases. Many unidentified phosphoproteins from this compartment are described in the literature, and this prompted us to try to identify at least the more dominant ones. When solubilized bovine and murine microsomes were phosphorylated...

journal_title：Journal of biochemistry

authors： Janson IM,Ek B,Ek P

更新日期：1997-01-01 00:00:00

abstract：:To study how collagen synthesis is regulated in developing chick embryonic skin, hydroxyproline synthesis, incorporation of proline, and translational activity and content of collagen mRNA in 12-, 15-, and 18-day skins were determined and compared with each other. Hydroxyproline synthesis in the 18-day skins was marke...

journal_title：Journal of biochemistry

authors： Ohyama K,Tokimitsu I,Tajima S

更新日期：1991-08-01 00:00:00

abstract：:PKNalpha is a fatty acid- and Rho-activated serine/threonine protein kinase having a catalytic domain homologous to members of the protein kinase C family. Recently it was reported that PKNalpha is involved in the p38 mitogen-activated protein kinase (MAPK) signaling pathway. To date, however, how PKNalpha regulates t...

journal_title：Journal of biochemistry

authors： Takahashi M,Gotoh Y,Isagawa T,Nishimura T,Goyama E,Kim HS,Mukai H,Ono Y

更新日期：2003-02-01 00:00:00

abstract：:The position in the acyl phosphate linkage of the phosphorylated intermediate of (Na+, K+)-ATPase that is cleaved by N-methylhydroxylamine was compared with that of the model compound acetylphosphate. The products of the cleavage of the phosphoenzyme by methylhydroxylamine were the active enzyme and a N-P compound, no...

journal_title：Journal of biochemistry

authors： Ushimaru M,Shinohara Y,Fukushima Y

更新日期：1997-09-01 00:00:00

abstract：:Cation specificity and effects of pH and temperature on membrane aggregation of porcine intestinal brush borders were studied in terms of the turbidity change of the membrane suspensions due to the addition of polyvalent cations. Monovalent cations (K+ and Na+) did not induce the membrane aggregation at 5 mM or below....

journal_title：Journal of biochemistry

authors： Ohyashiki T,Takeuchi M,Mohri T

更新日期：1984-03-01 00:00:00

abstract：:Protein kinases are essential mediators of cellular signal transduction and are often dysregulated in disease. Among these, protein tyrosine kinases (PTKs) have received specific interest due to their common roles in various diseases including cancer, and emerging observations indicating that PTK signalling pathways a...

journal_title：Journal of biochemistry

authors： Dustin CM,Heppner DE,Lin MJ,van der Vliet A

更新日期：2020-02-01 00:00:00

abstract：:The relationship between structure, activity, and stability of the thermostable Bacillus stearothermophilus alpha-amylase was studied by site-directed mutagenesis of the three most conserved residues. Mutation of His-238 to Asp involved in Ca2+ and substrate binding reduced the specific activity and thermal stability,...

journal_title：Journal of biochemistry

authors： Vihinen M,Ollikka P,Niskanen J,Meyer P,Suominen I,Karp M,Holm L,Knowles J,Mäntsälä P

更新日期：1990-02-01 00:00:00

abstract：:Actin-activated ATPase activity of myosin from Physarum polycephalum decreases when it binds Ca2+ and increases when it loses Ca2+. This Ca-inhibition is observed with phosphorylated myosin [Kohama, K. (1990) Trend, Pharmacol. Sci. 11, 433-435]. The activity of dephosphorylated myosin remained at a low level both in t...

journal_title：Journal of biochemistry

authors： Kohama K,Kohno T,Okagaki T,Shimmen T

更新日期：1991-10-01 00:00:00

abstract：:Erucic acid was incorporated into cardiac phosphatidylserine and hepatic and cardiac sphingomyelin of male Sprague-Dawley rat. The fatty acid compositions of mitochondrial and microsomal phospholipids were similar in both liver and heart. The effect of a low fat diet and a diet containing erucic acid on the fatty acid...

journal_title：Journal of biochemistry

authors： Ishinaga M,Sato J,Kitagawa Y,Sugimoto E,Kito M

更新日期：1982-07-01 00:00:00

abstract：:Four flavonoids (i.e., baicalein, quercetin, quercetagetin, and myricetin), known to be inhibitors of HIV-reverse transcriptase, have been shown to be more or less inhibitory to the activities of various cellular DNA and RNA polymerases. The degree of the inhibition varied depending on the combination of the flavonoid...

journal_title：Journal of biochemistry

authors： Ono K,Nakane H

更新日期：1990-10-01 00:00:00

abstract：:Induction of the expression of the beta-lactamase gene, blaB, is regulated by the blaA gene located just upstream of blaB in the opposite direction in Proteus vulgaris. The expression of the blaA gene is negatively autoregulated by its own product BlaA, the activator of the blaB gene. The P. vulgaris BlaA protein shar...

journal_title：Journal of biochemistry

authors： Ishiguro K,Sugimoto K

更新日期：1996-07-01 00:00:00

abstract：:Spleen cells from a CBF1 (BALB/c X C57BL/6) mouse immunized with rat tyrosine 3-monooxygenase were fused with NS-1 mouse myeloma cells. From 188 hybrid cells, 2 stable clones secreting anti-tyrosine 3-monooxygenase antibody were obtained. Antibody from one clone was coupled to CNBr-activated Sepharose 4B and the monoc...

journal_title：Journal of biochemistry

authors： Okuno S,Fujisawa H

更新日期：1985-01-01 00:00:00

abstract：:The unfolded protein response is an adaptive stress response that responds to the imbalance between the entry of newly synthesized unfolded proteins and the inherent folding capacity in the endoplasmic reticulum (ER). Various environmental stresses and changes in physiological conditions can result in the accumulation...

journal_title：Journal of biochemistry

authors： Kohno K

更新日期：2010-01-01 00:00:00

abstract：:The effect of crosslinking of F-actin with glutaraldehyde on the contractility of muscle ghost fiber containing reconstituted thin filament (i.e. F-actin-tropomyosin-troponin complex) and irrigated with myosin was investigated. The results show that: (i) crosslinking inhibited development of isometric tension and shor...

journal_title：Journal of biochemistry

authors： Próchniewicz-Nakayama E,Yanagida T

更新日期：1982-10-01 00:00:00

abstract：:Low molecular weight RNAs were isolated from nuclei of the cellular slime mold Dictyostelium discoideum AX-3. Analysis of the RNAs by polyacrylamide gel electrophoresis showed that the vegetative cell nuclei contained, besides tRNA (Dd1), 5S RNA (Dd4), and 5.8S RNA (Dd7), at least 7 small RNA species (Dd3, Dd5, Dd6, D...

journal_title：Journal of biochemistry

authors： Takeishi K,Kaneda S

更新日期：1981-08-01 00:00:00

abstract：:Association of sulphatide with influenza A virus (IAV) haemagglutinin (HA) delivered to the cell surface promotes progeny virus production. However, it is not known whether there is direct binding of HA to sulphatide. In this study, we found that recombinant HA, which was produced by a baculovirus protein expression s...

journal_title：Journal of biochemistry

authors： Takahashi T,Satoh H,Takaguchi M,Takafuji S,Yokoyama H,Fujii S,Suzuki T

更新日期：2010-04-01 00:00:00

abstract：:8-Azido GTP (8-N3 GTP) was demonstrated to be polymerized into RNA by influenza virus-associated RNA polymerase at about one tenth the rate of GTP incorporation. The Km value for the azido analogue of GTP in primer-dependent RNA synthesis was 94 microM whereas Km for the natural substrate, GTP, was 6.7 microM. Upon ex...

journal_title：Journal of biochemistry

authors： Asano Y,Mizumoto K,Maruyama T,Ishihama A

更新日期：1995-03-01 00:00:00

abstract：:The effects of Na+ and ATP on the K+ binding to Na+, K+-ATPase were investigated by the centrifugation method with radioactive K+ in the absence of Mg2+. In the presence of 10 microM 43KCl, 0.6 and 10 mM Na+ decreased the amount of bound K+ to one-half and zero, respectively. On the other hand, 10 microM and 10 mM ATP...

journal_title：Journal of biochemistry

authors： Homareda H,Nozaki T,Matsui H

更新日期：1987-03-01 00:00:00