Detection of DNA replicase activity in rat thymoma cells.

abstract：:Soluble guanylate cyclase (sGC) consisting of two different subunits (alpha: Mr = 74,000, beta: Mr = 69,000) was purified more than 12,000-fold in terms of specific activity from the supernatant of bovine lung homogenates and characterized. The heme content determined with the pyridine hemochromogen method and Bradfor...

journal_title：Journal of biochemistry

authors： Tomita T,Tsuyama S,Imai Y,Kitagawa T

更新日期：1997-09-01 00:00:00

abstract：:The fatty acid composition of cardiolipin from the Harderian gland of guinea pig was examined by gas chromatography and gas chromatography-mass spectrometry. At least 33 kinds of fatty acids were detected. Oleic acid was the most prominent component, accounting for 18.2 mol% of the total fatty acids. About 70.2 mol% o...

journal_title：Journal of biochemistry

authors： Seyama Y,Ohashi K,Yasugi E,Otsuka H

更新日期：1984-12-01 00:00:00

abstract：:We found phosphoinositide-specific phospholipase C (PtdIns-PLC) activity in nuclei isolated from rat liver. The enzyme hydrolyzed phosphatidylinositol, phosphatidylinositol 4-monophosphate (PIP) and phosphatidylinositol 4,5-bisphosphate in a Ca(2+)-dependent manner, and produced inositol mono-, bis-, and triphosphate,...

journal_title：Journal of biochemistry

authors： Kuriki H,Tamiya-Koizumi K,Asano M,Yoshida S,Kojima K,Nimura Y

更新日期：1992-03-01 00:00:00

abstract：:The complete amino acid sequence of brevilysin H6 (H6), a zinc-protease isolated from Gloydius halys brevicaudus venom, was determined by a manual Edman degradation method. H6 has an amino-terminal pyroglutamic acid and consists of a total of 419 residues. An N-linked sugar chain is attached at Asn-181. The molecule i...

journal_title：Journal of biochemistry

authors： Fujimura S,Oshikawa K,Terada S,Kimoto E

更新日期：2000-08-01 00:00:00

abstract：:The conditions for the preparation of the ferricytochrome a-ferrocytochrome a3-carbon monoxide complex (a3+, a3(2)+CO) of cytochrome oxidase [EC 1.9.3.1] by the ferricyanide-reoxidation method and some properties of the prepared complex were studied. The addition of a small volume of concentrated ferricyanide solution...

journal_title：Journal of biochemistry

authors： Horie S,Watanabe T,Ave K

更新日期：1983-04-01 00:00:00

abstract：:Chemical modification of gamma-carboxyglutamic acid (Gla) residues in human prothrombin to gamma-methyleneglutamic acid (gamma-MGlu) residues elicited a conformation similar, if not identical, to that of des-gamma-carboxy prothrombin or PIVKA-II, i.e., prothrombin molecules induced by vitamin K antagonists or vitamin ...

journal_title：Journal of biochemistry

authors： Sugo T,Watanabe K,Naraki T,Matsuda M

更新日期：1990-09-01 00:00:00

abstract：:The electron transport system coupled to the oxidation of methylamine in Pseudomonas AM1 was investigated by reconstituting it from the highly purified components. A mixture of methylamine dehydrogenase, cytochrome cH and cytochrome c oxidase (= cytochrome aa3) actively oxidized methylamine (161 mol of O2 consumed/mol...

journal_title：Journal of biochemistry

authors： Fukumori Y,Yamanaka T

更新日期：1987-02-01 00:00:00

abstract：:Cilia and flagella of eukaryotic cells are evolutionarily conserved organelles with a microtubule-based axoneme as a scaffold. To fulfil their functions in cellular motility, sensory reception and developmental signalling, cilia contain unique proteins, such as receptors and ion channels. The assembly and maintenance ...

journal_title：Journal of biochemistry

authors： Nakayama K,Katoh Y

更新日期：2018-03-01 00:00:00

abstract：:The incorporation of serine and ethanolamine into phospholipids in rabbit retinal subcellular fractions and in excised retinas was studied in vitro, and some enzymic properties of the incorporation of phospholipid bases by base exchange were examined in the microsomal fraction. The retina was found to have a higher ra...

journal_title：Journal of biochemistry

authors： Mizuno A

更新日期：1976-07-01 00:00:00

abstract：:Hydrostatic pressure-induced morphological and physiochemical changes in monomeric myosin were investigated. The turbidity of a myosin solution increased after release of pressure, indicating aggregation of the molecules. Some molecules were single headed after exposure to 100-200 MPa, in contrast with an intact molec...

journal_title：Journal of biochemistry

authors： Yamamoto K,Yoshida Y,Morita J,Yasui T

更新日期：1994-07-01 00:00:00

abstract：:The active site of thermolysin is composed of one zinc ion and five polypeptide regions [N-terminal sheet (Asn112-Trp115), alpha-helix 1 (Val139-Thr149), C-terminal loop 1 (Asp150-Gly162), alpha-helix 2 (Ala163-Val176) and C-terminal loop 2 (Gln225-Ser234)]. To explore their catalytic roles, we introduced single amino...

journal_title：Journal of biochemistry

authors： Kusano M,Yasukawa K,Inouye K

更新日期：2009-01-01 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 ferric uptake regulator A (FurA) plays an essential role in responding to oxidative stress in mycobacteria. The genome of Mycobacterium smegmatis harbours three FurA orthologs; however, the potential cross-talk and contribution to drug resistance of different furA operon remain underdetermined. In this study, we c...

journal_title：Journal of biochemistry

authors： Gao CH,Wei WP,Tao HL,Cai LK,Jia WZ,Hu L,Yang M

更新日期：2019-09-01 00:00:00

abstract：:As a new strategy for drug discovery and development, I focus on drug re-profiling as a way to identify new treatments for diseases. In this strategy, the actions of existing medicines, whose safety and pharmacokinetic effects in humans have already been confirmed clinically and approved for use, are examined comprehe...

journal_title：Journal of biochemistry

authors： Mizushima T

更新日期：2011-05-01 00:00:00

abstract：:Plant cell-wall arabinoxylans have a complex structure that requires the action of a pool of debranching (arabinofuranosidases) and depolymerizing enzymes (endo-xylanase). Two Aspergillus nidulans strains over-secreting endo-xylanase and arabinofuranosidase were inoculated in defined 2% maltose-minimum medium resultin...

journal_title：Journal of biochemistry

authors： Damásio AR,Pessela BC,da Silva TM,Guimarães LH,Jorge JA,Guisán JM,Polizeli Mde L

更新日期：2013-09-01 00:00:00

abstract：:The substrate specificity of microsomal nonspecific carboxyesterase [EC 3.1.1.1] from rabbit and rat livers was studied in vitro by using seven (A)-type and six (B)-type 12,13-epoxytrichothecene mycotoxins. The C-4 acetyl residues of diacetoxyscirpenol, T-2 toxin, monoacetylnivalenol (fusarenon-X), and diacetylnivalen...

journal_title：Journal of biochemistry

authors： Ohta M,Matsumoto H,Ishii K,Ueno Y

更新日期：1978-09-01 00:00:00

abstract：:Two G-protein-coupled receptors (GPCRs) that couple with Gαq/11, B2 bradykinin (BK) receptor (B2R) and ATP/UTP receptor P2Y2 (P2Y2R), are ubiquitously expressed and responsible for vascular tone, inflammation, and pain. We analysed the cellular signalling of P2Y2Rs in cells that express B2Rs. B2R desensitization induc...

journal_title：Journal of biochemistry

authors： Yashima S,Shimazaki A,Mitoma J,Nakagawa T,Abe M,Yamada H,Higashi H

更新日期：2015-08-01 00:00:00

abstract：:Colicin E5 cleaves tRNAs for Tyr, His, Asn and Asp in their anticodons to abolish protein synthesis in Escherichia coli. We previously showed how its C-terminal RNase domain, E5-CRD, recognizes the anticodon bases but the catalytic mechanism remained to be elucidated. Although the reaction products with 5'-OH and 2',3...

journal_title：Journal of biochemistry

authors： Inoue-Ito S,Yajima S,Fushinobu S,Nakamura S,Ogawa T,Hidaka M,Masaki H

更新日期：2012-10-01 00:00:00

abstract：:A lectin was purified from edible mushroom, Volvariella volvacea by extraction with 5% cold acetic acid in the presence of 0.1% 2-mercaptoethanol, followed by ammonium sulfate fractionation, and DEAE-C-52 and CM-C-52 column chromatographies. The molecular weight was measured to be 26,000, and the lectin consisted of t...

journal_title：Journal of biochemistry

authors： Lin JY,Chou TB

更新日期：1984-07-01 00:00:00

abstract：:Poly(8-oxyinosinic acid) (poly O8I), was synthesized by polymerizing 8-oxyinosine diphosphate using the enzyme polynucleotide phosphorylase (PNPase). The polymer formed a 1 : 1 hybrid with polycytidylic acid (poly C). The hybrid was found to induce the production of interferon in the brain of white albino mice and pro...

journal_title：Journal of biochemistry

authors： Folayan JO

更新日期：1982-09-01 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：:Sliding machines composed of F-actin and myosin or microtubules and kinesin or dynein convert the free energy of ATP hydrolysis into sliding movements and mechanical work. Development of optical microscopy with micromanipulation techniques has made possible direct observation of single events of sliding exhibited by s...

journal_title：Journal of biochemistry

authors： Oosawa F

更新日期：1995-11-01 00:00:00

abstract：:We analyzed the cellular contents of not only major polyamines but also minor polyamines in slime molds Physarum polycephalum and Dictyostelium discoideum. The presence of putrescine and spermidine in either plasmodia or myxamoebae of these molds as major polyamines was confirmed. In addition to these polyamines, appr...

journal_title：Journal of biochemistry

authors： Hamana K,Matsuzaki S

更新日期：1984-04-01 00:00:00

abstract：:Certain proteins utilize the high reactivity of radicals for catalysing chemically challenging reactions. These proteins contain or form a radical and therefore named 'radical enzymes'. Radicals are introduced by enzymes themselves or by (re)activating proteins called (re)activases. The X-ray structures of radical enz...

journal_title：Journal of biochemistry

authors： Shibata N,Toraya T

更新日期：2015-10-01 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：:Guanosine 3',5'-monophosphate (cyclic GMP)-dependent protein kinase purified from silkworm pupae reacts with rat liver ribosomal proteins when a stimulatory modulator (Kuo, W.N. & Kuo, J.F. 1976) J. Biol. Chem. 251, 4283-4286) is added to the reaction mixture. Judging from autoradiogram of the radioactive proteins sep...

journal_title：Journal of biochemistry

authors： Chihara-Nakashima M,Hashimoto E,Nishizuka Y

更新日期：1977-06-01 00:00:00

abstract：:PKNalpha is a fatty acid- and Rho-activated serine/threonine protein kinase having a catalytic domain homologous to members of the protein kinase C family. Recently it was reported that PKNalpha is involved in the p38 mitogen-activated protein kinase (MAPK) signaling pathway. To date, however, how PKNalpha regulates t...

journal_title：Journal of biochemistry

authors： Takahashi M,Gotoh Y,Isagawa T,Nishimura T,Goyama E,Kim HS,Mukai H,Ono Y

更新日期：2003-02-01 00:00:00

abstract：:X-ray diffraction photographs of a chicken gizzard G-actin.DNase I complex crystal have been recorded using the synchrotron radiation beam emitted by the Synchrotron Radiation Source at Daresbury and the Photon Factory at Tsukuba. The resolution limit was extended to 2.4 A and the exposure time was reduced approximate...

journal_title：Journal of biochemistry

authors： Sakabe N,Kamiya N,Sakabe K,Kondo H

更新日期：1984-03-01 00:00:00

abstract：:We previously reported the utilization of antisense RNA in the development of a novel immune system against RNA coliphage SP proliferation (Hirashima et al. [1986] Proc. Natl. Acad. Sci. U.S. 83, 7726-7730). We attempted to determine the most effective (i.e., those eliciting antiviral activity) sequences for targeting...

journal_title：Journal of biochemistry

authors： Hirashima A,Sawaki S,Mizuno T,Houba-Herin N,Inouye M

更新日期：1989-07-01 00:00:00

abstract：:The sensitivity and specificity of two influenza C virus assays, solid-phase and overlay assays, were investigated using naturally occurring 9-O-acetylated GD(3), rat serum glycoproteins containing 60% of N-acetyl-9-O-acetylneuraminic acid, and synthetically O-acetylated sialylated compounds. The sensitivity of the so...

journal_title：Journal of biochemistry

authors： Hubl U,Ishida H,Kiso M,Hasegawa A,Schauer R

更新日期：2000-06-01 00:00:00