An extra phosphorylation of Na+,K(+)-ATPase by paranitrophenylphosphate (pNPP): evidence for the oligomeric nature of the enzyme.

abstract：:The inhibition of tau fibrillation is a potential therapeutic target for Alzheimer's and other neurodegenerative diseases. As a series of studies on inhibiting the transition of soluble monomeric tau into mature fibril, the effect of Tyr310 residue in the third repeat (R3) of the microtubule-binding domain (MBD) on th...

journal_title：Journal of biochemistry

authors： Nishiura C,Takeuchi K,Minoura K,Sumida M,Taniguchi T,Tomoo K,Ishida T

更新日期：2010-03-01 00:00:00

abstract：:Activation of antiviral innate immunity is triggered by cellular pattern recognition receptors. Retinoic acid inducible gene-I (RIG-I)-like receptors (RLRs) detect viral non-self RNA in cytoplasm of virus-infected cells and play a critical role in the clearance of the invaded viruses through production of antiviral cy...

journal_title：Journal of biochemistry

authors： Yoneyama M,Jogi M,Onomoto K

更新日期：2016-03-01 00:00:00

abstract：:A cell-wall-associated proteinase from Lactobacillus helveticus CP790, grown in skim milk, was purified to homogeneity by DEAE ion exchange chromatography in the presence of EDTA. Its molecular weight was estimated to be 45,000 by SDS-PAGE and also by the recovery of proteinase activity only from this fraction of SDS-...

journal_title：Journal of biochemistry

authors： Yamamoto N,Akino A,Takano T

更新日期：1993-11-01 00:00:00

abstract：:Whether or not the thermotropic change at about 18 degrees C in the physical state of Ca2+-ATPase protein molecules of sarcoplasmic reticulum membranes could be transmitted to lipids through protein-lipid interactions was investigated using a spin-label technique. Fatty acid spin labels were used to probe the bulk mem...

journal_title：Journal of biochemistry

authors： Kirino Y,Higashi K,Matsui M,Shimizu H

更新日期：1981-03-01 00:00:00

abstract：:The Ca2+-sensitive ATPase activity of rabbit skeletal myofibrils disappeared completely after treatment with a solution containing CDTA, a strong divalent cation chelator, at a low ionic strength. A gel electrophoretic study revealed that all troponin C and about half of myosin light chain 2 were removed from the myof...

journal_title：Journal of biochemistry

authors： Morimoto S,Ohtsuki I

更新日期：1987-02-01 00:00:00

abstract：:The activities of the digestive enzymes, maltase [EC 3.2.1.20], sucrase [EC 3.2.1.26], trehalase [EC 3.2.1.28], Leucine aminopeptidase [EC 3.4.11.1], and alkaline phosphatase [EC 3.1.3.1] were measured in various regions of the small intestine of rats. The activities of all these enzymes were much higher in the jejunu...

journal_title：Journal of biochemistry

authors： Saito M,Murakami E,Nishida T,Fujisawa Y,Suda M

更新日期：1975-09-01 00:00:00

abstract：:Stable cell lines expressing the gastric proton pump alpha- and/or beta-subunits were constructed. The cell line co-expressing the alpha- and beta-subunits showed inward Rb(+) transport, which was activated by Rb(+) in a concentration-dependent manner. In the alpha+beta-expressing cell line, rapid recovery of intracel...

journal_title：Journal of biochemistry

authors： Kimura T,Yoshida A,Tabuchi Y,Ikari A,Takeguchi N,Asano S

更新日期：2002-06-01 00:00:00

abstract：:Three glucosamine-containing sphingoglycolipids were isolated from human lung tissue of a blood group-A subject. They were hexaglycosyl, pentaglycosyl, and tetraglycosyl ceramides. The hexaglycosyl ceramide exhibited blood group-A antigenicity, and the following chemical structure was proposed on the basis of sequenti...

journal_title：Journal of biochemistry

authors： Yoda Y,Makita A,Gasa S

更新日期：1982-02-01 00:00:00

abstract：:The 565 amino-acid PRIB protein with a Zn(II)2Cys6 zinc-cluster DNA-binding motif is the expression product of the priB gene, which is most actively transcribed in an early stage of fruiting-body formation by the basidiomycete, Lentinus edodes. PRIB produced in Escherichia coli using the bacteriophage T7 expression sy...

journal_title：Journal of biochemistry

authors： Miyazaki Y,Tsunoka O,Shishido K

更新日期：1997-12-01 00:00:00

abstract：:Hepatic peroxisomes and mitochondria from 20-day-old chick embryo were separated by sucrose density gradient centrifugation and the characteristics of carnitine acyltransferases in these organelles were studied. The carnitine acyltransferase activities in peroxisomes were increased markedly by the treatment of chick e...

journal_title：Journal of biochemistry

authors： Ishii S,Ishii H,Suga T

更新日期：1985-09-01 00:00:00

abstract：:Monoclonal antibodies were raised against a synthetic peptide (43 amino acid residues) that corresponds to the complete profragment of human prorenin. Seven monoclonal antibodies were chosen for further characterization. Two antibodies, 2-X-C1 and 4-X-E1, reacted with the middle region and C-terminus of the profragmen...

journal_title：Journal of biochemistry

authors： Ishizuka Y,Iizumi S,Akiyama F,Hori H,Poorman RA,Lobl TJ,Murakami K

更新日期：1989-09-01 00:00:00

abstract：:Ca(2+)/calmodulin-dependent protein kinases (CaM-kinases) I and IV are activated upon phosphorylation of their Thr(177) and Thr(196), respectively, by the upstream Ca(2+)/calmodulin-dependent protein kinases CaM-kinase kinase alpha and beta, and deactivated upon dephosphorylation by protein phosphatases such as CaM-ki...

journal_title：Journal of biochemistry

authors： Okuno S,Kitani T,Fujisawa H

更新日期：2001-10-01 00:00:00

abstract：:In order to study the conformation of the side chain of lysine substrates bound to the active center of trypsin, two lysine analogs, cis- and trans-2,6-diamino-4-hexenoic acids (4,5-dehydrolysines) were synthesized and kinetic parameters for the hydrolysis of benzoyl methyl esters and phenylthiazolones of these analog...

journal_title：Journal of biochemistry

authors： Mizusaki K,Sugahara Y,Tsunematsu H,Makisumi S

更新日期：1986-07-01 00:00:00

abstract：:Kinetic parameters, Km and Vmax for the transesterification of oligouridylic acid, (Up)nU greater than p (n=0-4), by RNase A were measured spectrophotometrically at pH 7.0 and 25 degrees C. The kinetic parameters, pKm and log Vmax increased with increase in the chain length (n), and seemed to be almost constant with s...

journal_title：Journal of biochemistry

authors： Irie M,Mikami F,Monma K,Ohgi K,Watanabe H,Yamaguchi R,Nagase H

更新日期：1984-07-01 00:00:00

abstract：:A number of L-amino acids and derivatives were tested as substrates for the purified Pseudomonas L-phenylalanine oxidase. The reaction products of these amino acids were analyzed by high performance liquid chromatography and the kinetic properties of the reactions were partially characterized. In addition to L-phenyla...

journal_title：Journal of biochemistry

authors： Koyama H

更新日期：1984-08-01 00:00:00

abstract：:Calpastatin, an endogenous inhibitor protein specifically acting on calpain [EC 3.4.22.17; Ca2+-dependent cysteine proteinase], was purified to apparent homogeneity from the cytosol fraction of human erythrocytes. The yield was 0.38 mg from 400 ml of blood. The purification procedures included DEAE-cellulose and Ultro...

journal_title：Journal of biochemistry

authors： Takano E,Murachi T

更新日期：1982-12-01 00:00:00

abstract：:By using commercially available anhydrous hydrazine in the gas-phase, mucin-type oligosaccharides were released from porcine gastric mucin (PGM) and bovine fetuin. The data indicated that a certain amount of the oligosaccharides from PGM were further degraded. Despite this, the HPLC elution profile of the anthranilic ...

journal_title：Journal of biochemistry

authors： Goso Y,Tsubokawa D,Ishihara K

更新日期：2009-06-01 00:00:00

abstract：:The changes in the cellular concentrations of ATP, ADP, and AMP and in oxidative phosphorylation of mitochondria were investigated in the remaining liver of partially hepatectomized rabbits. The energy charge (defined as half of the average number of anhydride-bonded phosphate groups per adenosine moiety) of the liver...

journal_title：Journal of biochemistry

authors： Kamiyama Y,Ozawa K,Honjo I

更新日期：1976-10-01 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：:TreP [trehalose-permease (phosphotransferase system (PTS) trehalose-specific enzyme IIBC component)] is one of the target proteins of tmRNA-mediated trans-translation in Bacillus subtilis [Fujihara et al. (2002) Detection of tmRNA-mediated trans-translation products in Bacillus subtilis. Genes Cells, 7, 343-350]. The ...

journal_title：Journal of biochemistry

authors： Ujiie H,Matsutani T,Tomatsu H,Fujihara A,Ushida C,Miwa Y,Fujita Y,Himeno H,Muto A

更新日期：2009-01-01 00:00:00

abstract：:Four glycolipids (Fr. I, II, III, and IV) were isolated from whale brain and three (Fr. I, II, and III) of them were demonstrated to be galactosyl ceramide combined with fatty acid by ester linkage. Fr. IV was shown to be a monoalkyl monoacyl galactosyl glycerol. For determining the substituted position of the acyl gr...

journal_title：Journal of biochemistry

authors： Yasugi E,Saito E,Kasama T,Kojima H,Yamakawa T

更新日期：1982-04-01 00:00:00

abstract：:Long non-coding RNA is an endogenous non-coding RNA that has currently been proved to be an important player in cancer cell biology. In the present study, we investigated the biological role of PHACTR2-AS1 in tongue squamous cell carcinoma (TSCC). PHACTR2-AS1 was preferentially localized in the cytoplasm, and was nota...

journal_title：Journal of biochemistry

authors： Yuan F,Miao Z,Chen W,Wu F,Wei C,Yong J,Xiao C

更新日期：2020-12-26 00:00:00

abstract：:The interaction between riboflavin and riboflavin binding protein (RBP) was studied by 13C-NMR spectroscopy. The 13C-NMR spectra of riboflavin selectively enriched at the 2-, 4-, 4a-, and 10a-positions and of (3-[13C]methyl)riboflavin were measured both in the free and RBP-bound forms. The 13C signals of 13C-enriched ...

journal_title：Journal of biochemistry

authors： Miura R,Tojo H,Fujii S,Yamano T,Miyake Y

更新日期：1984-07-01 00:00:00

abstract：:The asparagine-linked sugar chains of human follicle-stimulating hormone (hFSH) were liberated as radioactive oligosaccharides from the polypeptide moiety by hydrazinolysis followed by N-acetylation and NaB3H4 reduction. Ninety-five percent of the oligosaccharides were acidic and all were converted to a mixture of neu...

journal_title：Journal of biochemistry

authors： Renwick AG,Mizuochi T,Kochibe N,Kobata A

更新日期：1987-05-01 00:00:00

abstract：:The oxidation of equivalent concentrations of phospholipids in homogeneous solution, in multilamellar liposomal suspension, and in rat liver homogenate was carried out under aerobic conditions at 37 degrees C in order to examine the biochemical fate of oxidized phospholipids. Rat liver phospholipids were extracted wit...

journal_title：Journal of biochemistry

authors： Kambayashi Y,Yamashita S,Niki E,Yamamoto Y

更新日期：1997-03-01 00:00:00

abstract：:ISG15 is a ubiquitin-like protein that is upregulated on treatment with interferon. ISG15 is considered to be covalently conjugated to cellular proteins through a sequential reaction similar to that of the ubiquitin conjugation system consisting of E1/E2/E3 enzymes: UBE1L and UbcH8 have been reported to function as E1...

journal_title：Journal of biochemistry

authors： Takeuchi T,Iwahara S,Saeki Y,Sasajima H,Yokosawa H

更新日期：2005-12-01 00:00:00

abstract：:Photoaffinity labeling with [3H]cytochalasin B detects two D-glucose-sensitive proteins in the chicken embryo fibroblast (CEF) plasma membrane, which accumulate under conditions of glucose starvation and are probably involved in the glucose transport system (Pessin, J.E., et al. (1982) Proc. Natl. Acad. Sci. U.S. 79, ...

journal_title：Journal of biochemistry

authors： Ishii T,Tillotson LG,Isselbacher KJ

更新日期：1986-01-01 00:00:00

abstract：:In the embryonic smooth muscle of chicken gizzards we found 4 high-Mr-type and 5 low-Mr-type tropomyosin isoforms in addition to alpha- and beta-isoforms reported already. The criteria by which they were identified as tropomyosin isoforms were as follows: 1) anomalous reduction of electrophoretic mobility in the prese...

journal_title：Journal of biochemistry

authors： Hosoya M,Miyazaki J,Hirabayashi T

更新日期：1989-05-01 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：:In a search for adjuvants of non-bacterial origin for immunization with ganglioside, we investigated whether chemical coupling to immune stimulatory protein could increase the immunogenicity of sialoglycosphingolipid. A novel method for the linkage of glycosphingolipids, including gangliosides, to protein was establis...

journal_title：Journal of biochemistry

authors： Jennemann R,Gnewuch C,Bosslet S,Bauer BL,Wiegandt H

更新日期：1994-06-01 00:00:00