Release of O-linked sugar chains from glycoproteins with anhydrous hydrazine and pyridylamination of the sugar chains with improved reaction conditions.

abstract：:Chemical modifications by photooxidation in the presence of rose bengal (RB) and with tetranitromethane (TNM) were carried out to elucidate the amino acid residues involved in the active site of inorganic pyrophosphatase (pyrophosphate phosphohydrolase) [EC 3.6.1.1] from Escherichia coli Q13. The photooxidation caused...

journal_title：Journal of biochemistry

authors： Samejima T,Tamagawa Y,Kondo Y,Hachimori A,Kaji H,Takeda A,Shiroya Y

更新日期：1988-05-01 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：: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：:1. Z-line constituents contributing to the formation of the contraction bands in chicken myofibrils were investigated by using the rabbit calcium-activated factor (CAF). 2. CAF digestion hampered the formation of the contraction bands and increased the amount of soluble proteins which are apparently derived from the Z...

journal_title：Journal of biochemistry

authors： Muguruma M,Muguruma Y,Fukazawa T

更新日期：1980-07-01 00:00:00

abstract：:Aspartate aminotransferase (AspAT), responsible for a minor part of the total AspAT enzymic activity in alkalophilic Bacillus circulans, was purified, its N-terminal amino acid sequence was determined, and its gene was cloned as two separate fragments. DNA sequencing showed an open reading frame of 432 amino acids (M(...

journal_title：Journal of biochemistry

authors： Battchikova N,Koivulehto M,Denesyuk A,Ptitsyn L,Boretsky Y,Hellman J,Korpela T

更新日期：1996-08-01 00:00:00

abstract：:The interaction between n-octyl-beta-D-glucopyranoside (octyl glucoside) and bovine liver glutamate dehydrogenase (GDH) was studied using techniques including equilibrium dialysis, UV-spectrophotometry, circular dichroism (CD), fluorescence energy transfer and extrinsic spectrofluorometry in 50 mM sodium phosphate buf...

journal_title：Journal of biochemistry

authors： Ghobadi S,Safarian S,Moosavi-Movahedi AA,Ranjbar B

更新日期：2001-11-01 00:00:00

abstract：:The plasma membrane, the outermost surface of eukaryotic cells, contains various substructures, such as protrusions or invaginations, which are associated with diverse functions, including endocytosis and cell migration. These structures of the plasma membrane can be considered as tubules or inverted tubules (protrusi...

journal_title：Journal of biochemistry

authors： Suetsugu S

更新日期：2010-07-01 00:00:00

abstract：:A method for immobilizing oligosaccharides on a TLC plate for immunostaining has been developed. N-Glycolylneuraminic acid (NeuGc)-containing oligosaccharides derived from II3NeuGc-LacCer, IV3NeuGc-nLcOse4Cer, II3NeuGc-GgOse3Cer, and II3(NeuGc)2-LacCer by digestion with our newly isolated endoglycoceramidase (Ito, M. ...

journal_title：Journal of biochemistry

authors： Higashi H,Hirabayashi Y,Ito M,Yamagata T,Matsumoto M,Ueda S,Kato S

更新日期：1987-08-01 00:00:00

abstract：:Nitrate reductase (NaR) linked to reduced methyl viologen from Clostridium perfringens was purified by ammonium sulfate precipitation. DEAE-cellulose chromatography, disc electrophoresis on polyacrylamide gel, and triple DEAE-Sephadex chromatography. The specific activity was increased 1,200-fold with a yield of 9%. T...

journal_title：Journal of biochemistry

authors： Seki-Chiba S,Ishimoto M

更新日期：1977-12-01 00:00:00

abstract：:We previously demonstrated that the gene for a member of the humoral C-type lectin family is transiently expressed in the regenerating legs of the American cockroach [Arai et al., Insect Biochem. Mol. Biol. 28, 987-994 (1998)]. To identify candidate lectin(s) involved in tail regeneration in the Xenopus laevis tadpole...

journal_title：Journal of biochemistry

authors： Ishino T,Kunieda T,Natori S,Sekimizu K,Kubo T

更新日期：2007-04-01 00:00:00

abstract：:Autotaxin (ATX) is an ecto-enzyme responsible for lysophosphatidic acid (LPA) production in blood. ATX is present in various biological fluids such as cerebrospinal and seminal fluids and accounts for bulk LPA production in these fluids. ATX is a member of the nucleotide pyrophosphatase/phosphodiesterase (NPP) family ...

journal_title：Journal of biochemistry

authors： Nakanaga K,Hama K,Aoki J

更新日期：2010-07-01 00:00:00

abstract：:Using an F-actin affinity column, a 60 kDa fragment of a 71 kDa F-actin-binding protein was partially purified from Tetrahymena pyriformis. After digestion of the 60 kDa fragment with cyanogen bromide, the N-terminal 21-amino acid sequence of one of the resulting peptides was found to show sequence similarity to a reg...

journal_title：Journal of biochemistry

authors： Watanabe A,Kurasawa Y,Watanabe Y,Numata O

更新日期：1998-04-01 00:00:00

abstract：:Ca2+-binding of S-100 protein was studied using a Ca2+ electrode at pH 6.80. In the presence of 0.1 M KCl and 10 mM MgCl2 (ionic strength 0.13), Ca2+-binding to S-100 protein occurred in three steps with positive cooperativity. The numbers of bound Ca2+ ions in the three steps were 2, 2, and 4. The Ca2+-binding consta...

journal_title：Journal of biochemistry

authors： Matsuda S

更新日期：1988-12-01 00:00:00

abstract：:A glutathione S-transferase isozyme which is absent in normal rat liver has been isolated from the hereditary hyperbilirubinuria rat liver cytosol. The enzyme was purified to apparent homogeneity by GSH-affinity chromatography and HPLC on CM-Sepharose CL-6B. It is a heterodimer of two non-identical subunits, i.e., sub...

journal_title：Journal of biochemistry

authors： Igarashi T,Tsuchiya T,Satoh T

更新日期：1991-01-01 00:00:00

abstract：:Hen ovomucoid was chemically deglycosylated by treatment with trifluoromethanesulfonic acid at 0 degrees C for 60 min. About 75 mol% of the carbohydrate moiety was removed from the glycoprotein without changing its amino acid composition, and its trypsin inhibitory activity and immunoreactivity with specific antibodie...

journal_title：Journal of biochemistry

authors： Gu JX,Matsuda T,Nakamura R,Ishiguro H,Ohkubo I,Sasaki M,Takahashi N

更新日期：1989-07-01 00:00:00

abstract：:We prepared a streptavidin-based neoglycoprotein which carries more than 140 GT1b oligosaccharides. GT1b oligosaccharides were covalently coupled to streptavidin by reductive amination, yielding a monomer form of streptavidin carrying 13 oligosaccharides. The monomer form of glycosylated streptavidin was polymerized w...

journal_title：Journal of biochemistry

authors： Hashimoto Y,Suzuki M,Crocker PR,Suzuki A

更新日期：1998-03-01 00:00:00

abstract：:The catalytic properties of a new type of dihydropteridine reductase, NADPH-specific dihydropteridine reductase [EC 1.6.99.10], from bovine liver, were studied and compared with those of the previously characterized enzyme, NADH-specific dihydropteridine reductase [EC 1.6.99.7]. With quinonoid-dihydro-6-methylpterin, ...

journal_title：Journal of biochemistry

authors： Nakanishi N,Hasegawa H,Akino M,Yamada S

更新日期：1986-03-01 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：:Complete drying of heparin with various concentrations of NaOH by lyophilization caused specific 2-O-desulfation to various degrees without detectable depolymerization or other chemical changes. In order to assess the importance of 2-O-sulfate groups in uronate residues to promote FGF-1 and FGF-2 activities, various 2...

journal_title：Journal of biochemistry

authors： Ishihara M,Kariya Y,Kikuchi H,Minamisawa T,Yoshida K

更新日期：1997-02-01 00:00:00

abstract：:Monoclonal antibody 5E5 recognized an intranuclear antigen of neurons in the rat. We isolated 5E5cDNA and determined its nucleotide and deduced amino acid sequences. The 5E5cDNA had an open reading frame of 825 amino acids and its amino acid sequence showed no significant homology to any protein or to any DNA binding ...

journal_title：Journal of biochemistry

authors： Suzuki E,Kojima N,Yoshimura K,Uyemura K,Obata K,Akagawa K

更新日期：1995-07-01 00:00:00

abstract：:PTF/SNAPc is a multisubunit complex which specifically recognizes the PSEs of small nuclear RNA genes and activates transcription by RNA polymerase II or III. Here we describe the isolation and characterization of genomic clones encoding the human PTFgamma/SNAP43 gene. The gene spans approximately 29 kilobases, and is...

journal_title：Journal of biochemistry

authors： Maeng JH,Yoon JB

更新日期：1998-07-01 00:00:00

abstract：:The molecular structure of the active site of horse heart met-cyano cytochrome c, as a function of temperature, has been investigated using 1H-NMR. A temperature dependence study of the NMR spectra revealed that one heme methyl proton resonance exhibits anti-Curie behavior, i.e., the hyperfine shift increases with inc...

journal_title：Journal of biochemistry

authors： Yamamoto Y

更新日期：1996-01-01 00:00:00

abstract：:We have developed a screening system for artificial small RNAs (sRNAs) that inhibit the growth of Escherichia coli. In this system, we used a plasmid library to express artificial sRNAs (approximately 200 bases long) containing 60 bases of random nucleotide sequence. The induced expression of the known rydB sRNA in th...

journal_title：Journal of biochemistry

authors： Komasa M,Fujishima K,Hiraoka K,Shinhara A,Lee BS,Tomita M,Kanai A

更新日期：2011-09-01 00:00:00

abstract：:We recently found that budding yeast Saccharomyces cerevisiae sigma1278b, but not genome project strain S288C, has a gene conferring resistance to L-azetidine-2-carboxylic acid (AZC), a toxic four-membered ring analogue of L-proline. Also, the gene, designated as MPR1, encodes a novel acetyltransferase that detoxifies...

journal_title：Journal of biochemistry

authors： Nomura M,Nakamori S,Takagi H

更新日期：2003-01-01 00:00:00

abstract：:A continuous cell-free protein synthesis system [Spirin et al. (1988) Science 242, 1162-1164] was modified so as to be suitable for coupled transcription-translation, a process useful for obtaining products of cloned genes or cDNAs. A reaction chamber equipped with an ultrafiltration membrane was newly designed and an...

journal_title：Journal of biochemistry

authors： Kigawa T,Yokoyama S

更新日期：1991-08-01 00:00:00

abstract：:To identify the residues modified by radioactive N6-p-bromoacetaminobenzyladenosine-5'-phosphate in phosphorylase b, the peptic peptides of the modified enzyme were purified. Two radioactive peptides were isolated, each of which had a cysteine residue modified. The cysteine residue involved in the AMP site was determi...

journal_title：Journal of biochemistry

authors： Kawashima S,Eguchi C,Imahori K

更新日期：1978-12-01 00:00:00

abstract：:The binding of actin filaments to connectin, a muscle elastic protein, was investigated by means of turbidity and sedimentation measurements and electron microscopy. In the presence of less than 0.12 M KCl at pH 7.0, actin filaments bound to connectin. Long actin filaments formed bundles. Short actin filaments also ag...

journal_title：Journal of biochemistry

authors： Maruyama K,Hu DH,Suzuki T,Kimura S

更新日期：1987-06-01 00:00:00

abstract：:Loss of bone substance is a common manifestation of hyperparathyroidism. This suggests that parathyroid hormone (PTH) plays an important role as to bone mass. To investigate the mechanism underlying this change in bone mass, I studied the effects of PTH on collagen synthesis and mitogenesis of UMR-106 rat osteoblastic...

journal_title：Journal of biochemistry

authors： Pun KK

更新日期：1989-12-01 00:00:00

abstract：:A direct spectrophotometric suspension method for the estimation of immobilized ligands on a gel matrix was developed. The method uses 0.05% agarose solution to prepare a practically stable suspension of various agarose beads. The quantity of agarose beads in the suspension was estimated turbidometrically from the att...

journal_title：Journal of biochemistry

authors： Miyagawa A,Okuyama T

更新日期：1977-06-01 00:00:00

abstract：:This study aims to study the effects of intra-nuclear lncRNA MEG3 on the progression of prostate cancer and the underlying mechanisms. Expressions of relative molecules were detected by Quantitative real time PCR (qRT-PCR) and western blot. Chromatin immunoprecipitation and RNA immunoprecipitation (RIP) assays were us...

journal_title：Journal of biochemistry

authors： Zhou Y,Yang H,Xia W,Cui L,Xu R,Lu H,Xue D,Tian Z,Ding T,Cao Y,Shi Q,He X

更新日期：2020-03-01 00:00:00