Molecular arrangement of troponin-T in the thin filament.

abstract：:The association constants of hen egg yolk riboflavin binding protein with 8-substituted riboflavins were measured using a fluorometric titration method in the range of 10-40 degrees C, and thermodynamic parameters were calculated using ordinary methods. The flavins used were riboflavins whose 8-methyl group was substi...

journal_title：Journal of biochemistry

authors： Matsui K,Sugimoto K,Kasai S

更新日期：1982-04-01 00:00:00

abstract：:Site-directed mutagenesis studies of recombinant Trimeresurus flavoviridis venom gland phospholipase A2 (PLA2) showed that the Asn residue at position 67 takes part in recognition of the substrate 2-arachidonoyl sn-glycero-3-phosphocholine in both monomeric and micellar states. The amount of arachidonate released from...

journal_title：Journal of biochemistry

authors： Ogawa T,Shimohigashi Y,Ohno M

更新日期：1997-11-01 00:00:00

abstract：:We examined the effects of growth factors on intracellular free Mg2+ concentrations ([Mg2+]i) in single Swiss 3T3 fibroblasts, using microfluorometry of a Mg(2+)-sensitive dye mag-fura-2. We had already noted an increase in [Mg2+]i after exposure to bombesin for 30-60 min [Ishijima, S., Sonoda, T., & Tatibana, M. (199...

journal_title：Journal of biochemistry

authors： Ishijima S,Tatibana M

更新日期：1994-04-01 00:00:00

abstract：:Sialoglycoprotein which exhibits inhibitory activity for hemagglutination by Hemagglutinating Virus of Japan (HVJ, Sendai virus) was isolated from the membrane of bovine erythrocytes. Purification steps for this sialoglycoprotein included extraction with lithium diiodosalicylate, phenol partition, precipitation with e...

journal_title：Journal of biochemistry

authors： Suzuki Y,Suzuki T,Matsumoto M

更新日期：1983-06-01 00:00:00

abstract：:1. The effect of guanidine hydrochloride (GuHCl) on pig heart lipoamide dehydrogenase [NADH: lipoamide oxidoreductase, EC 1.6.4.3.] was investigated by means of enzymatic activity and optical measurements (CD, absorption, and fluorescence spectra). The activity of the enzyme decreased on increasing the concentration o...

journal_title：Journal of biochemistry

authors： Ogasahara K,Koike K,Hamada M,Hiraoka T

更新日期：1976-04-01 00:00:00

abstract：:Microbacterium sp. M874 produced a glyceroglycolipid, di-O-12-methyl-tetradecanoyl-3-O-beta-D-galactopyranosyl-sn-glycerol, at about the 50 microM level. Though the strain was highly resistant to tertiary-butyl hydroperoxide (tBHP) in a glycolipid-productive medium, the resistance was reduced in a nonproductive medium...

journal_title：Journal of biochemistry

authors： Nakata K

更新日期：2000-05-01 00:00:00

abstract：:LipB, the lipase activator protein of Pseudomonas aeruginosa TE3285, was overproduced in Escherichia coli, and purified 4.9-fold over the crude extract in the presence of SDS. The purified LipB reactivated the lipase from P. aeruginosa TE3285 denatured with guanidine hydrochloride, and its reactivation did not involve...

journal_title：Journal of biochemistry

authors： Shibata H,Kato H,Oda J

更新日期：1998-01-01 00:00:00

abstract：:Do non-active-site residues participate in protein function in a more direct way than just by holding the static framework of the protein molecule? If so, how important are they? As a model to answer these questions, ATB17, which is a mutant of aspartate aminotransferase created by directed evolution, is an ideal syst...

journal_title：Journal of biochemistry

authors： Shimotohno A,Oue S,Yano T,Kuramitsu S,Kagamiyama H

更新日期：2001-06-01 00:00:00

abstract：:We have previously purified two D-3-hydroxyacyl-CoA dehydratase preparations from human liver. One preparation contained a 77-kDa polypeptide and smaller polypeptides, and the other was a homodimer of a 46-kDa polypeptide. Three different purified rat peroxisomal D-3-hydroxyacyl-CoA dehydratase preparations have been ...

journal_title：Journal of biochemistry

authors： Jiang LL,Miyazawa S,Hashimoto T

更新日期：1996-09-01 00:00:00

abstract：:We have examined critically whether or not new and old histones mix in the octameric units of nucleosomes during chromatin replication. MH-134SC cells were density-labeled by culturing with amino acid mixtures enriched with dense isotopes 2H, 13C, and 15N. Mononucleosomes obtained from labeled cells were fractionated ...

journal_title：Journal of biochemistry

authors： Yamasu K,Senshu T

更新日期：1987-04-01 00:00:00

abstract：:The process of mitochondrial dysfunction in ischemic rat liver was studied. A close correlation was found between decrease in the mitochondrial adenine nucleotide content and deterioration of oxidative phosphorylation capacity. The level of total adenine nucleotides, which was 15--20 nmol/mg protein in mitochondria is...

journal_title：Journal of biochemistry

authors： Watanabe F,Kamiike W,Nishimura T,Hashimoto T,Tagawa K

更新日期：1983-08-01 00:00:00

abstract：:Subtilisin BPN' was chemically converted to thiolsubtilisin and the interaction of this modified enzyme with Streptomyces subtilisin inhibitor (SSI) was examined. SSI competitively inhibited the esterolytic activity of thiolsubtilisin toward p-nitrophenyl acetate with a K1 value of 1.3 X 10(-5) M at pH 7.5 Spectrophot...

journal_title：Journal of biochemistry

authors： Fujiwara K,Inouye K,Tonomura B,Murao S,Tsuru D

更新日期：1977-07-01 00:00:00

abstract：:The rates of synthesis and degradation of arginosuccinate synthetase in rat liver under various dietary conditions were determined. The relative rate of the enzyme synthesis in the livers of rats fed on 70% casein diet was 4.0 times greater than that for rats fed on 5% casein diet. The rate constants of degradation (K...

journal_title：Journal of biochemistry

authors： Tsuda M,Shikata Y,Katsunuma T

更新日期：1979-03-01 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：:The oleate (delta 9-18:1)/cis-vaccenate (delta 11-18:1) ratios in phospholipids increased in the order of normal liver, host liver and hepatoma in rats. The amount of oleate increased in phospholipids and decreased in triacylglycerol in the same order, whereas the distributions of cis-vaccenate among the major lipid c...

journal_title：Journal of biochemistry

authors： Hori T,Okuyama H

更新日期：1987-05-01 00:00:00

abstract：:The ascorbate oxidase obtained from a microorganism, Acremonium sp. HI-25 (molecular weight, 80 kDa; monomeric protein), was studied with respect to atomic absorption, EPR, absorption spectra, circular dichroism (CD) spectra, and steady-state kinetics. The enzyme was found to be a multicopper protein, containing four ...

journal_title：Journal of biochemistry

authors： Hirose J,Sakurai T,Imamura K,Watanabe H,Iwamoto H,Hiromi K,Itoh H,Shin T,Murao S

更新日期：1994-05-01 00:00:00

abstract：:Although the conformational change occurring in proteins upon ATP binding is important in many biological reactions, the mechanism by which ATP binding induces the conformational change is unknown. We found that ATP induces acid-unfolded (pH 2) ferricytochrome c or apomyoglobin to adopt a compact structure with a sign...

journal_title：Journal of biochemistry

authors： Goto Y,Okamura N,Aimoto S

更新日期：1991-05-01 00:00:00

abstract：:It has been reported that neutral salts such as NaCl activate the thermolysin-catalyzed hydrolysis of substrates containing glycine at the P1 position (carboxylic side of the cleavage bond) [Holmquist, B. & Vallee, B.L. (1976) Biochemistry 15, 101-107]. In this paper, we demonstrate that high concentrations (1-4 M) of...

journal_title：Journal of biochemistry

authors： Inouye K

更新日期：1992-09-01 00:00:00

abstract：:The modification of proteins by SUMO (small ubiquitin-like modifier) regulates various cellular processes. Sumoylation often occurs on a specific lysine residue within the consensus motif psiKxE/D. However, little is known about the specificity and selectivity of SUMO target sites. We describe here a SUMO assay with p...

journal_title：Journal of biochemistry

authors： Schwamborn K,Knipscheer P,van Dijk E,van Dijk WJ,Sixma TK,Meloen RH,Langedijk JP

更新日期：2008-07-01 00:00:00

abstract：:The present study was undertaken in an attempt to clarify the pathway by which hyperosmotic stress induces HB-EGF gene expression in rat aortic smooth muscle cells (RASMC). Hyperosmotic stress induced by a high concentration of glucose or mannitol resulted in an increase in HB-EGF mRNA level in a dose- and time-depend...

journal_title：Journal of biochemistry

authors： Koh YH,Che W,Higashiyama S,Takahashi M,Miyamoto Y,Suzuki K,Taniguchi N

更新日期：2001-09-01 00:00:00

abstract：:The receptor-binding assay for cAMP was improved by using polyethylenimine-treated glass filters. A polyethylenimine-treated glass filter has high protein binding capacity. This high capacity allows an increase in the amount of protein per assay tube and the use of a crude preparation, such as a beef heart extract, as...

journal_title：Journal of biochemistry

authors： Takeda T,Kuno T,Shuntoh H,Tanaka C

更新日期：1989-02-01 00:00:00

abstract：:Aspartic proteases of human malarial parasites are thought to play key roles in essential pathways of merozoite release, invasion and host cell hemoglobin degradation during the intraerythrocytic stages of their life cycle. Therefore, we have purified and characterized Plasmodium vivax aspartic protease, to determine ...

journal_title：Journal of biochemistry

authors： Sharma A,Eapen A,Subbarao SK

更新日期：2005-07-01 00:00:00

abstract：:Thermal denaturation of cytochromes c of horse, cow, and Candida krusei in aqueous guanidine hydrochloride in the neutral pH region was studied by means of absorption and optical rotation measurements. The values of standard free energy change upon denaturation were estimated over the temperature range from 3 to 51 de...

journal_title：Journal of biochemistry

authors： Kawaguchi H,Noda H

更新日期：1977-05-01 00:00:00

abstract：:Inhibitory PAS domain protein (IPAS) is a dual function protein acting as a transcriptional repressor and as a pro-apoptotic protein. Simultaneous dual-color single-molecule imaging of EGFP-IPAS coexpressed with Mit-TagRFP-T in living HeLa cells revealed that fraction of EGFP-IPAS was arrested in the nucleus and on mi...

journal_title：Journal of biochemistry

authors： Kasai S,Kajimoto S,Ito Y,Saito T,Yasumoto KI,Tokunaga M,Sakata-Sogawa K,Fukumura H,Sogawa K

更新日期：2017-03-01 00:00:00

abstract：:Light harvesting (LH) bacteriochlorophyll (Bchl) protein complexes were isolated from chromatophores of Chromatium vinosum, by the combination of detergent solubilization, sodium dodecylsulfate (SDS) polyacrylamide gel electrophoresis (PAGE) and hydroxyapatite chromatography. Addition of the absorption spectra of thes...

journal_title：Journal of biochemistry

authors： Hayashi H,Morita S

更新日期：1980-11-01 00:00:00

abstract：:The pH dependence of the binding constant of Ca2+ to a phospholipase A2 of Agkistrodon halys blomhoffii, in which the alpha-amino group had been selectively modified to an alpha-keto group, was studied at 25 degrees C and ionic strength 0.1 by the tryptophyl fluorescence method. The dependence was compared with the re...

journal_title：Journal of biochemistry

authors： Haruki H,Teshima K,Samejima Y,Kawauchi S,Ikeda K

更新日期：1986-01-01 00:00:00

abstract：:The receptor protein for the mitochondrial protein precursor synthesized in the cytosol was extensively purified from the mitochondrial membrane fraction by affinity column chromatography using a synthetic peptide containing the extrapeptide of ornithine aminotransferase as a ligand. The purified fraction contained tw...

journal_title：Journal of biochemistry

authors： Ono H,Tuboi S

更新日期：1990-06-01 00:00:00

abstract：:Rabbit antibodies against cytochrome P-450 (SCC), P-450 (11 beta), and P-450 (C-21) from bovine adrenal cortex were prepared, and it was confirmed that these three cytochrome P-450 species are immunologically distinct from one another. Cytoplasmic sites of synthesis of P-450 (SCC), P-450 (11 beta), and P-450 (C-21) in...

journal_title：Journal of biochemistry

authors： Nabi N,Kominami S,Takemori S,Omura T

更新日期：1983-11-01 00:00:00

abstract：:Deoxyhypusine synthase catalyzes the NAD+-dependent formation of deoxyhypusine in the eIF-5A precursor protein by transferring the 4-aminobutyl moiety of spermidine. This enzyme has recently been shown to be essential for cell viability and growth of yeast [Sasaki, K., Abid, M.R., and Miyazaki, M. (1996) FEBS Lett. 38...

journal_title：Journal of biochemistry

authors： Abid MR,Sasaki K,Titani K,Miyazaki M

更新日期：1997-04-01 00:00:00

abstract：:Upon CS2SO4 density-gradient equilibrium centrifugation, 60S subunits of rat liver ribosomes were dissociated to form three bands at the densities of 1.55, 1.40, and 1.30 g/ml. The bands at 1.55 and 1.30 g/ml were shown to contain exclusively RNA or proteins, respectively, whereas the band at 1.40 g/ml contained both ...

journal_title：Journal of biochemistry

authors： Isoda N,Tanaka T,Ishikawa K

更新日期：1981-08-01 00:00:00