Inhibitory effects of GMCHA-OPhBut on phospholipid methylation and histamine release in mast cells activated by concanavalin A, anti-IgE, and antigen.

abstract：:A cysteine protease inhibitor with an apparent Mr = 12,600, designated limulus (L)-cystatin, was isolated from hemocyte lysates of the Japanese horseshoe crab (Tachypleus tridentatus), using two steps of chromatography, including dextran sulfate-agarose, and carboxymethylated papain-agarose. L-cystatin inhibits amidol...

journal_title：Journal of biochemistry

authors： Agarwala KL,Kawabata S,Hirata M,Miyagi M,Tsunasawa S,Iwanaga S

更新日期：1996-01-01 00:00:00

abstract：:The minimal structural unit of cytochrome c oxidase purified from Thiobacillus novellus was composed of one molecule each of two subunits with molecular masses of 32 and 23 kDa, respectively, and the unit had one molecule of heme a and one atom of copper. In the presence of n-octyl-beta-D-thioglucoside, the oxidase ex...

journal_title：Journal of biochemistry

authors： Shoji K,Yamazaki T,Nagano T,Fukumori Y,Yamanaka T

更新日期：1992-01-01 00:00:00

abstract：:The nucleotide sequence at the intron-exon junction in the human beta-globin gene was analyzed by the quantification method (categorical discriminant analysis) proposed previously. Using the sample score of a 16-nucleotide sequence at a 3'-splice junction, we studied to what extent such a sequence contains the 3'-spli...

journal_title：Journal of biochemistry

authors： Iida Y

更新日期：1990-12-01 00:00:00

abstract：:Pseudomonas sp. 101 carboxyl proteinase (PCP) and Xanthomonas sp. T-22 carboxyl proteinase (XCP), the first and second unique carboxyl proteinases from prokaryotes to be isolated and characterized, are not inhibited by the classical carboxyl proteinase inhibitor pepstatin. In this study, we elucidated their subsite pr...

journal_title：Journal of biochemistry

authors： Narutaki S,Dunn BM,Oda K

更新日期：1999-01-01 00:00:00

abstract：:ADAMTS13 is the metalloprotease responsible for the proteolytic degradation of von Willebrand factor (VWF). A severe deficiency of this VWF-cleaving protease activity causes thrombotic thrombocytopenic purpura. This protease, comprising 1,427 amino acid residues, is composed of multiple domains, i.e., a preproregion, ...

journal_title：Journal of biochemistry

authors： Soejima K,Nakamura H,Hirashima M,Morikawa W,Nozaki C,Nakagaki T

更新日期：2006-01-01 00:00:00

abstract：:In this work we have studied the equilibrium and kinetic stability of a hyperthermophilic protein, O(6)-methylguanine-DNA methyltransferase (Tk-MGMT), and its mesophilic counterpart AdaC, in various chemical solutions. In an unfolding experiment using guanidine hydrochloride (GdnHCl), the unfolding free-energy change ...

journal_title：Journal of biochemistry

authors： Nishikori S,Shiraki K,Okanojo M,Imanaka T,Takagi M

更新日期：2004-10-01 00:00:00

abstract：:Acid ceramidase (ACDase) metabolizes ceramide to sphingosine, leading to sphingosine 1-phosphate production. Reportedly, ACDase has been upregulated in prostate cancer. However, its regulatory mechanism remains unclear. LNCaP (androgen-sensitive prostate cancer cell line) but not PC3 and DU-145, (androgen-unresponsive...

journal_title：Journal of biochemistry

authors： Mizutani N,Inoue M,Omori Y,Ito H,Tamiya-Koizumi K,Takagi A,Kojima T,Nakamura M,Iwaki S,Nakatochi M,Suzuki M,Nozawa Y,Murate T

更新日期：2015-10-01 00:00:00

abstract：:The direct ion-dipolar interactions between potassium ion (K(+)) and the two hydroxyl groups of the substrate are the most striking feature of the crystal structure of coenzyme B(12)-dependent diol dehydratase. We carried out density-functional-theory computations to determine whether K(+) can assist the 1,2-shift of ...

journal_title：Journal of biochemistry

authors： Toraya T,Yoshizawa K,Eda M,Yamabe T

更新日期：1999-10-01 00:00:00

abstract：:Two kinds of myosin phosphatases were purified from fresh chicken gizzard smooth muscle. Alkaline phosphatase (CGP-a), which requires Mg2+, was most active at pH 8.6 with 2 to 4 mM Mg2+, and was essentially the same as the phosphatase we reported previously (J. Biochem. 99, 1027-1036 (1986]. On the other hand, neutral...

journal_title：Journal of biochemistry

authors： Yoshida M,Yagi K

更新日期：1988-02-01 00:00:00

abstract：:Previously, several workers reported that at very low ionic strength and in the presence of ATP, the extent of binding of S-1 with the F-actin-tropomyosin-troponin complex or regulated actin (FA-TM-TN) is unaffected by removal of Ca2+. However, in this study we found that during the ATPase reaction at physiological io...

journal_title：Journal of biochemistry

authors： Inoue A,Tonomura Y

更新日期：1982-04-01 00:00:00

abstract：:3-Ketovalidoxylamine A C-N lyase was purified about 900-fold from the cell-free extract of Flavobacterium saccharophilum by ammonium sulfate fractionation, column chromatography on CM cellulose and gel filtration on Sephacryl S-200. The purified enzyme was homogeneous as judged by sodium dodecyl sulfate (SDS) polyacry...

journal_title：Journal of biochemistry

authors： Takeuchi M,Asano N,Kameda Y,Matsui K

更新日期：1985-12-01 00:00:00

abstract：:Crystals as large as 0.5 X 0.3 X 0.2 mm of purified arginine-transfer RNA from Escherichia coli have been prepared by a vapour diffusion method. X-ray diffraction photographs showed that the crystals gave reflections up to 3.7 A spacing. They have a trigonal space group P31 2 1 (OR P32 2 1) and cell-dimensions a=97.2,...

journal_title：Journal of biochemistry

authors： Morikawa K,Sakamaki T,Nishimura Y,Mitsui Y,Aoki K,Iitaka Y,Tsuboi M,Nishimura S

更新日期：1978-08-01 00:00:00

abstract：:Mitochondria are dynamic organelles that frequently divide and fuse together, resulting in the formation of intracellular tubular networks. In yeast and mammals, several factors including Drp1/Dnm1 and Mfn/Fzo1 are known to regulate mitochondrial morphology by controlling membrane fission or fusion. Here, we report th...

journal_title：Journal of biochemistry

authors： Ichishita R,Tanaka K,Sugiura Y,Sayano T,Mihara K,Oka T

更新日期：2008-04-01 00:00:00

abstract：:Two kinds of monoclonal antibodies (3B9 and SM1) against connectin, muscle elastic protein, reacted with both alpha- and beta-connectins. Immunofluorescence studies revealed that 3B9 stained both edges of the A band of chicken breast muscle myofibrils and remained as such upon stretching to a sarcomere length of 3.5 m...

journal_title：Journal of biochemistry

authors： Itoh Y,Suzuki T,Kimura S,Ohashi K,Higuchi H,Sawada H,Shimizu T,Shibata M,Maruyama K

更新日期：1988-10-01 00:00:00

abstract：:Tissue remodelling and regeneration in various pathophysiological conditions (e.g. the processes of development, pregnancy, inflammation, wound healing, tissue regeneration, tumor growth, etc.) require angiogenesis, a dynamically coordinated response to stimuli from the extracellular microenvironment. During angiogeni...

journal_title：Journal of biochemistry

authors： Sakaue T,Maekawa M,Nakayama H,Higashiyama S

更新日期：2017-10-01 00:00:00

abstract：:Apoprotein of electron-transferring flavoprotein (ETF) reacts with FAD as follows: A*<-->A, A+FAD<-->holoETF. Two different forms of apoETF (A* and A) convert into each other and only one of them, A, can associate with FAD [Sato, K. et al. (1991) J. Biochem. 109, 734-740]. In the present study, the reactions between a...

journal_title：Journal of biochemistry

authors： Sato K,Nishina Y,Shiga K

更新日期：1992-12-01 00:00:00

abstract：:Homoserine O-acetyltransferase [EC 2.3.1.31] partially purified from Brevibacterium flavum was found to be specifically inhibited by the metabolic end products methionine and S-adenosylmethionine only when the enzymatic reaction was performed in the presence of cysteine or dithiothreitol, or after the preincubation of...

journal_title：Journal of biochemistry

authors： Shiio I,Ozaki H

更新日期：1981-05-01 00:00:00

abstract：:The effect of extracellular type-II phospholipase A2 (PLA2) on prostaglandin (PG) synthesis has been studied using rat liver-derived BRL-3A cells. The addition of type-II PLA2 to the medium of BRL-3A cells resulted in a marked decrease in the enzymatic activity in the medium. An immunochemical study involving an anti-...

journal_title：Journal of biochemistry

authors： Suga H,Murakami M,Kudo I,Inoue K

更新日期：1995-11-01 00:00:00

abstract：:Corynebacterium diphtheriae, a pathogenic Gram-positive bacterium, contains sialic acids on its cell surface, but no genes related to sialic acid decoration or metabolism have been reported in C. diphtheriae. In the present study, we have identified a putative sialidase gene, nanH, from C. diphtheriae KCTC3075 and cha...

journal_title：Journal of biochemistry

authors： Kim S,Oh DB,Kwon O,Kang HA

更新日期：2010-04-01 00:00:00

abstract：:Using glycerol gradient centrifugation, the molecular sizes of porcine (2'-5')oligoadenylate synthetases (2-5A synthetases) were estimated. The 2-5A synthetase purified from pig spleen was about 150 kDa, while the enzyme extracted from nuclei of Newcastle disease virus-infected pig epithelial cells (SK-h) was about 20...

journal_title：Journal of biochemistry

authors： Shimizu N,Sokawa Y,Sokawa J

更新日期：1984-06-01 00:00:00

abstract：:A novel fucose-containing neutral glycosphingolipid (GL-5) was purified from the eggs of the sea urchin, Hemicentrotus pulcherrimus. The chemical structure was determined to be Fuc alpha 1-3GalNAc beta 1-4(Fuc alpha 1-3)GlcNAc beta 1-4Glc beta 1-1Cer by methylation analysis, partial acid hydrolysis, fast atom bombardm...

journal_title：Journal of biochemistry

authors： Kubo H,Jiang GJ,Irie A,Suzuki M,Inagaki F,Hoshi M

更新日期：1992-08-01 00:00:00

abstract：:Galactocerebrosidase was purified about 22,600-fold using several hydrophobic column and gel filtration steps with a 4.8% recovery, from human lymphocytes. Its specific activity was 1.54 x 10(5) nmol/h/mg with tritium-labeled galactocerebroside as the substrate in the taurocholate system. The optimal pH for galactocer...

journal_title：Journal of biochemistry

authors： Sakai N,Inui K,Midorikawa M,Okuno Y,Ueda S,Iwamatsu A,Okada S

更新日期：1994-09-01 00:00:00

abstract：:Covalently closed-circular, superhelical DNAs, including viral DNAs, bacterial plasmid DNAs, and bacteriophage replicative-form DNA, were treated with a small amount of Haemophilus gallinarum DNA-relaxing enzyme to generate incompletely relaxed DNA molecules. Each sample consisted of a set of closed-circular DNA molec...

journal_title：Journal of biochemistry

authors： Shishido K

更新日期：1979-09-01 00:00:00

abstract：:The effects of pH on the thermodynamic properties of the proton-translocating cyclic electron transfer system in a purple photosynthetic bacterium Chromatium vinosum were studied. Two thermodynamic parameters, the flux (Je) and force (deltamue) of the electron transfer process, were analyzed. The rate of electron tran...

journal_title：Journal of biochemistry

authors： Arata H,Nishimura M

更新日期：1979-02-01 00:00:00

abstract：:To model gene transcription kinetics, empirical fitting with the Hill function or S-system is often used. In this study, we derived an analytical expression for gene transcription rates in a manner similar to that developed for enzyme kinetics to describe the kinetics of gene transcription mediated by dimeric transcri...

journal_title：Journal of biochemistry

authors： Yang HT,Hsu CP,Hwang MJ

更新日期：2007-08-01 00:00:00

abstract：:A highly sensitive method was developed for quantitative analysis of phospholipid molecular species. Diradylglycerols prepared from phospholipids with phospholipase C were converted to the anthroyl-diradylglycerol derivatives, which could be separated into molecular species and sensitively quantified by reverse-phase ...

journal_title：Journal of biochemistry

authors： Takamura H,Kito M

更新日期：1991-03-01 00:00:00

abstract：:N omega-Phosphoarginine hydrolase from rat liver cytosol was purified to apparent homogeneity on SDS-PAGE, by employing column chromatographies on Sephadex G-75, DEAE-cellulose, QAE-Toyopearl, and glutathione-2-pyridyl-disulfide-Superose. One milligram protein of the final preparation released 4 mumol/min of inorganic...

journal_title：Journal of biochemistry

authors： Yokoyama K,Ohmori H,Kumon A

更新日期：1993-02-01 00:00:00

abstract：:We have developed a novel method for the preparation of 'recombinant proteoliposomes'. Membrane proteins were expressed on budded virus (BV) envelopes using baculovirus gene expression systems, and proteoliposomes were prepared by fusion of these viruses with liposomes. First, plasmid DNA containing the gene for the t...

journal_title：Journal of biochemistry

authors： Fukushima H,Mizutani M,Imamura K,Morino K,Kobayashi J,Okumura K,Tsumoto K,Yoshimura T

更新日期：2008-12-01 00:00:00

abstract：:The effect of concentration of rabbit reticulocyte rRNAs on the translation of rabbit globin mRNAs was studied by using a rabbit reticulocyte lysate system. Globin synthesis was studied using L-[U-14C]leucine. Both the 18S and 28S rRNA inhibited globin synthesis. The 18S rRNA inhibited the synthesis of alpha-globin ch...

journal_title：Journal of biochemistry

authors： Suzuki H

更新日期：1978-04-01 00:00:00

abstract：:An acid proteinase different from pepsin was purified from bullfrog (Rana catesbeiana) gastric mucosa by chromatography on hydroxyapatite, Q-Sepharose, Con A-Sepharose 4B, and Mono Q columns. Its molecular weight after purification was estimated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis to be 45 kDa...

journal_title：Journal of biochemistry

authors： Inokuchi T,Kobayashi K,Horiuchi S

更新日期：1994-01-01 00:00:00