Procedures and conditions for application of the pyridine hemochrome method to photosynthetically grown cells of Rhodopseudomonas sphaeroides.

abstract：:In order to obtain information on the nature of the amino acid residues involved in the activity of ribonuclease U1 [EC 3.1.4.8], various chemical modifications of the enzyme were carried out. RNase U1 was inactivated by reaction with iodoacetate at pH 5.5 with concomitant incorporation of 1 carboxymethyl group per mo...

journal_title：Journal of biochemistry

authors： Hashimoto J,Takahashi K

更新日期：1977-04-01 00:00:00

abstract：:We previously reported a new laminin variant containing laminin gamma 2 (or B2t) chain, ladsin, which exerted prominent cell-scattering, cell-adhesion, and cell-migration activities. In the present study, this laminin was further characterized, and gene expression of its three subunits in various human tissues and can...

journal_title：Journal of biochemistry

authors： Mizushima H,Miyagi Y,Kikkawa Y,Yamanaka N,Yasumitsu H,Misugi K,Miyazaki K

更新日期：1996-12-01 00:00:00

abstract：:The flavoenzyme medium-chain acyl-CoA dehydrogenase (MCAD) eliminates the alpha-proton of the substrate analog, 3-thiaoctanoyl-CoA (3S-C8-CoA), to form a charge-transfer complex with deprotonated 3S-C8-CoA. This complex can simulate the metastable reaction intermediate immediately after the alpha-proton elimination of...

journal_title：Journal of biochemistry

authors： Satoh A,Nakajima Y,Miyahara I,Hirotsu K,Tanaka T,Nishina Y,Shiga K,Tamaoki H,Setoyama C,Miura R

更新日期：2003-08-01 00:00:00

abstract：:Chloroquine myopathy is a drug poisoning disease involving rimmed vacuole formation. By Western blot analysis, we investigated posttranslational modification of LC3 in cultured cells with a high concentration of chloroquine, and found that the autophagosome membrane-bound form of LC3 increased dose-dependently. We als...

journal_title：Journal of biochemistry

authors： Suzuki T,Nakagawa M,Yoshikawa A,Sasagawa N,Yoshimori T,Ohsumi Y,Nishino I,Ishiura S,Nonaka I

更新日期：2002-05-01 00:00:00

abstract：:We previously identified a human cDNA encoding a novel receptor tyrosine kinase, termed Sky, which is predominantly expressed in the brain and has a unique extracellular domain consisting of two immunoglobulin (Ig)-like and two fibronectin type III (FN III) motifs. In attempts to define the functional role of the Sky ...

journal_title：Journal of biochemistry

authors： Ohashi K,Honda S,Ichinomiya N,Nakamura T,Mizuno K

更新日期：1995-06-01 00:00:00

abstract：:The melanocortin receptor type 4 (MC4-R) is involved in food intake and represents a potential target for the treatment of some forms of obesity. The fluorescent protein EGFP was fused to the wild-type or mutated coding sequence of the human MC4-R. After transfection in HEK 293, clones stably expressing hMC4-R-EGFP we...

journal_title：Journal of biochemistry

authors： Blondet A,Doghman M,Rached M,Durand P,Bégeot M,Naville D

更新日期：2004-04-01 00:00:00

abstract：:1. The distribution of ribosomal protein S1 in subcellular fractions of E. coli was determined by radioimmunoassay. It was found that about 70%, 20% and 10% of protein S1 were present in the high salt (1.0 M NH4Cl)-washed ribosomes, the ribosomal wash and the S100 fraction, respectively. 2. Protein S1 was purified fro...

journal_title：Journal of biochemistry

authors： Yokota T,Arai K,Kaziro Y

更新日期：1979-12-01 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：:NADP+-specific isocitrate dehydrogenase was found in several tissues of the pupa of the silkworm, Bombyx mori. This enzyme was highly purified from the whole bodies of pupae. This is the first isolation of the enzyme from insect materials. The purified enzyme gave a single protein band on polyacrylamide gel electropho...

journal_title：Journal of biochemistry

authors： Miake F,Torikata T,Koga K,Hayashi K

更新日期：1977-08-01 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：:Ras is a signal-transducing, guanine nucleotide-binding protein for various membrane receptors including tyrosine kinase receptors. Ras participates in the regulation of cell proliferation, differentiation, and morphology. Activated ras oncogenes have been identified in various forms of human cancer including epitheli...

journal_title：Journal of biochemistry

authors： Yamamoto T,Taya S,Kaibuchi K

更新日期：1999-11-01 00:00:00

abstract：:The effects of D-glucose anomers on the germination of dormant spores of Bacillus megaterium QM B1551 were studied, alpha-D-Glucose (1 mM) slightly initiated the germination of the dormant spores during 10 min incubation at 37 degrees C, while about 60% of the dormant spores became germinated with beta-D-glucose (1 mM...

journal_title：Journal of biochemistry

authors： Miwa I,Ishihara H,Fujii H,Nagano H,Okuda J

更新日期：1979-01-01 00:00:00

abstract：:The kinetics of the hydrogen-deuterium exchange reaction in sarcoplasmic reticulum (SR) membranes isolated from rabbit skeletal muscle was followed by infrared absorption measurements. The exchange rate in SR was much lower than that in the soluble proteins reported so far. When adenylyl-imidophosphate (AMPPNP, an TP ...

journal_title：Journal of biochemistry

authors： Anzai K,Kirino Y,Shimizu H

更新日期：1981-08-01 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：:The activity of ornithine decarboxylase (ODC) in rabbit costal chondrocytes in culture markedly increased after addition of parathyroid hormone (PTH), reaching a maximum 4 to 5 h after PTH addition. The effect of PTH was dose-dependent both in the presence and absence of fetal calf serum. Addition of cycloheximide or ...

journal_title：Journal of biochemistry

authors： Takigawa M,Watanabe R,Ishida H,Asada A,Suzuki F

更新日期：1979-01-01 00:00:00

abstract：:A high mobility group (HMG) nonhistone protein fraction HMG(1 + 2), composed of HMG1 and HMG2, was prepared from pig thymus chromatin. In order to examine a possibility that the HMG(1 + 2) participates in the unwinding of the DNA double-helix, DNA hydrolysis assay systems with the endonucleases specific for single-str...

journal_title：Journal of biochemistry

authors： Yoshida M,Shimura K

更新日期：1984-01-01 00:00:00

abstract：:Resonance Raman spectra of the soluble-domain of a membrane-bound hydrogenase from Desulfovibrio vulgaris Miyazaki F were recorded in different oxidation states. In the oxidized state, the Raman band due to the totally symmetric stretching mode of the iron-sulfur cluster was observed at 341 cm-1, which was attributed ...

journal_title：Journal of biochemistry

authors： Furuichi H,Ozaki Y,Niki K,Akutsu H

更新日期：1990-11-01 00:00:00

abstract：:Previously, we demonstrated that the 2.6-kDa peptide extending from Arg177 to Tyr198 in subdomain 4 of rabbit skeletal actin bound to actin itself, inhibited the elongation of actin filament, and severed F-actin. The corresponding segment in actin, therefore, is thought to contain the most critical actin-actin contact...

journal_title：Journal of biochemistry

authors： Hori K,Morita F,Matsuzawa F,Aikawa S

更新日期：1995-12-01 00:00:00

abstract：:Calf thymus DNA polymerases alpha and beta [EC 2.7.7.7] and terminal deoxynucleotidyl transferase [EC 2.7.7.31] were analyzed on two-dimensional gel slabs. DNA polymerase beta appeared as a single spot on two-dimensional gel at the position of 40,000 daltons and pI 8.0 using non-equilibrium pH gradient gel electrophor...

journal_title：Journal of biochemistry

authors： Koiwai O,Masaki S,Kaneda T,Yoshida S

更新日期：1982-08-01 00:00:00

abstract：:Rat platelets released phospholipase A2 and lysophospholipase upon activation with thrombin or ADP. The release of phospholipases was energy-dependent and was not in parallel with that of a known lysosomal marker enzyme, N-acetyl-beta-D-glucosaminidase. The phospholipases are derived from other granules (dense granule...

journal_title：Journal of biochemistry

authors： Horigome K,Hayakawa M,Inoue K,Nojima S

更新日期：1987-01-01 00:00:00

abstract：:Serologically active D-arabino-D-mannas ([alpha]D, +82 degrees approximately 89 degrees; ratio of D-arabinose to D-mannose, 1-2:1) were isolated from the soluble fraction of disintegrated cells of M. tuberculosis, M. smegmatis, and several other Mycobacterium species. These arabinomannans had similar structures, consi...

journal_title：Journal of biochemistry

authors： Misaki A,Azuma I,Yamamura Y

更新日期：1977-12-01 00:00:00

abstract：:A fluorescent fragment of Mr = 23,800 was obtained by the papain digestion of N-iodoacetyl-N'-(5-sulfo-1-naphthyl)ethylene diamine (abbreviated as IAEDANS)-modified chicken gizzard myosin. The fragment was isolated by gel filtration on a Sephadex G-100 column in the presence of 5 M guanidine-HCl followed by anion exch...

journal_title：Journal of biochemistry

authors： Onishi H,Maita T,Miyanishi T,Watanabe S,Matsuda G

更新日期：1986-12-01 00:00:00

abstract：:The molecular masses of two of the four DNA polymerase alpha-primase complex subunit peptides from various mammalian cells have been compared through the use of specific monoclonal antibodies. One monoclonal antibody (E4) binds to 77-kDa peptide from HeLa cells and cognate peptides from other mammalian cells (monkey, ...

journal_title：Journal of biochemistry

authors： Kozu T,Nikaido K,Yagura T

更新日期：1990-04-01 00:00:00

abstract：:Partition of merocyanine dyes, which have a negative charge, onto photosynthetic membranes of chloroplasts and bacteria was analyzed by measuring the fluorescence intensity change, absorbance change, and amount of dye in the supernatant after centrifugation. The partition depended on the surface potential, which is a ...

journal_title：Journal of biochemistry

authors： Masamoto K,Matsuura K,Itoh S,Nishimura M

更新日期：1981-02-01 00:00:00

abstract：:HUT-14 cells, tumorigenic human fibroblasts, express a mutant beta-actin which has a single amino acid substitution at position 244 (glycine to aspartic acid), in addition to normal beta- and gamma-actin. In order to characterize the biochemical function of the mutant beta-actin, actins were extracted and purified fro...

journal_title：Journal of biochemistry

authors： Taniguchi S,Sagara J,Kakunaga T

更新日期：1988-04-01 00:00:00

abstract：:Aberrant DNA methylation is a common form of epigenetic alterations and it has been proved to be closely related to many cancers, while its role in epidermal growth factor receptor (EGFR)-mutated non-small cell lung cancer (NSCLC) is not clear. This study focuses on the role of DNA methyltransferase 1 (DNMT1) in EGFR-...

journal_title：Journal of biochemistry

authors： Wu XY,Chen HC,Li WW,Yan JD,Lv RY

更新日期：2020-08-01 00:00:00

abstract：:It has been demonstrated that the GM2 ganglioside cannot be cleaved by exo-beta-N-acetylhexosaminidases isolated from molds or bacterial sources. Here, a novel GM2 ganglioside-degrading enzyme was found in cells of Nocardia sp. This enzyme releases free fatty acids from the GM2 ganglioside. The chemical structure of t...

journal_title：Journal of biochemistry

authors： Hirabayashi Y,Kimura M,Matsumoto M,Yamamoto K,Kadowaki S,Tochikura T

更新日期：1988-01-01 00:00:00

abstract：:Aplyronine A is a macrolide isolated from Aplysia kurodai. By monitoring fluorescent intensity of pyrenyl-actin, it was found that aplyronine A inhibited both the velocity and the degree of actin polymerization. Aplyronine A also quickly depolymerized F-actin. The kinetics of depolymerization suggest that aplyronine A...

journal_title：Journal of biochemistry

authors： Saito S,Watabe S,Ozaki H,Kigoshi H,Yamada K,Fusetani N,Karaki H

更新日期：1996-09-01 00:00:00

abstract：:Triacylglycerol lipase activities in adrenals and testes of rats were measured and the properties of the enzymes were characterized. The enzymes were extracted from acetone-ether dried powder of the tissues and the crude extracts were applied to a heparin-Sepharose affinity column. The enzymes bound to the column were...

journal_title：Journal of biochemistry

authors： Murase T,Yamada N,Akanuma Y,Ohsawa N

更新日期：1982-09-01 00:00:00

abstract：:Connectin (titin) links the Z line to the myosin filament in sarcomeres of vertebrate skeletal muscle. An 800 kDa fragment of alpha-connectin runs from the Z line up to the N2 line region in the I band, and the following beta-connectin portion runs up to the edge of the M line on the myosin filament in chicken breast ...

journal_title：Journal of biochemistry

authors： Kawamura Y,Kume H,Itoh Y,Ohtsuka S,Kimura S,Maruyama K

更新日期：1995-01-01 00:00:00