A novel adenosine triphosphatase isolated from RNA polymerase preparations of Escherichia coli. II. Enzymatic properties and molecular structure.

abstract：:Pseudomonas putida PpGl, which carries the CAM plasmid encoding enzymes involved in the degradation pathway of D-camphor, can utilize D-camphor as a sole carbon source. Cytochrome P-450cam and related enzymes participate in the early oxidation steps of D-camphor degradation metabolism. We cloned from a HindIII DNA lib...

journal_title：Journal of biochemistry

authors： Koga H,Yamaguchi E,Matsunaga K,Aramaki H,Horiuchi T

更新日期：1989-11-01 00:00:00

abstract：:Association of sulphatide with influenza A virus (IAV) haemagglutinin (HA) delivered to the cell surface promotes progeny virus production. However, it is not known whether there is direct binding of HA to sulphatide. In this study, we found that recombinant HA, which was produced by a baculovirus protein expression s...

journal_title：Journal of biochemistry

authors： Takahashi T,Satoh H,Takaguchi M,Takafuji S,Yokoyama H,Fujii S,Suzuki T

更新日期：2010-04-01 00:00:00

abstract：:A simple and rapid preparation method for apoaspartate aminotransferase from Escherichia coli B was developed. A crude extract of the bacterial cells was treated batchwise with DEAE-cellulose. The enzyme fraction obtained was then applied to a pyridoxamine-Sepharose column. Apoaspartate aminotransferase was eluted wit...

journal_title：Journal of biochemistry

authors： Yagi T,Kirino J,Yamamoto S,Nozaki M

更新日期：1985-10-01 00:00:00

abstract：:Pure recA protein was easily obtained from Escherichia coli harboring plasmid pTM-2 which carried the recA gene by two chromatographic steps on phosphocellulose and DEAE-cellulose. RecA protein was stable in the pH range of 6 to 9 at 25 degrees C. RecA protein was found to aggregate highly under these conditions. Lowe...

journal_title：Journal of biochemistry

authors： Kuramitsu S,Hamaguchi K,Ogawa T,Ogawa H

更新日期：1981-10-01 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：:We expressed human myotonic dystrophy protein kinase (DMPK) in the fission yeast Schizosaccharomyces pombe, in which the overexpression of human DMPK affects cell growth and cell shape. The human DMPK protein has a leucine-rich domain at the N-terminus, a serine/threonine kinase domain in the middle, and a hydrophobic...

journal_title：Journal of biochemistry

authors： Sasagawa N,Kino Y,Takeshita Y,Oma Y,Ishiura S

更新日期：2003-10-01 00:00:00

abstract：:An inorganic pyrophosphatase [EC 3.6.1.1] was isolated from Thiobacillus thiooxidans and purified 975-fold to a state of apparent homogeneity. The enzyme catalyzed the hydrolysis of inorganic pyrophosphate and no activity was found with a variety of other phosphate esters. The cation Mg2+ was required for maximum acti...

journal_title：Journal of biochemistry

authors： Tominaga N,Mori T

更新日期：1977-02-01 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：:An inhibitor of neutral subtilopeptidase [EC 3.4.24.4] was purified from porcine serum by salting out with (NH4)2SO4, chromatography on anion exchange sephadex, gel filtration with Sepharose 6B, and isoelectric focusing. The preparation was homogeneous by electrophoretic and ultracentrifugal criteria, and was shown to...

journal_title：Journal of biochemistry

authors： Tsuru D,Tomimatsu M,Fujiwara K,Kawahara K

更新日期：1975-06-01 00:00:00

abstract：:Streptococcus pyogenes nuclease A (SpnA) and streptococcal 5' nucleosidase A (S5nA) are two recently described virulence factors from the human pathogen S. pyogenes. In vitro studies have shown that SpnA is a nuclease that cleaves ssDNA and dsDNA, including the DNA backbone of neutrophil extracellular traps. S5nA was ...

journal_title：Journal of biochemistry

authors： Soh KY,Loh JMS,Proft T

更新日期：2018-08-01 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：: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

abstract：:The phospholipid mediator, platelet activating factor (PAF: 1-O-alkyl-2-O-acetyl-sn-glycero-3-phosphocholine), was recently reported to activate macrophage-monocyte cells as well as neutrophils or platelets. PAF was incorporated into dipalmitoylphosphatidylcholine-cholesterol liposomes, and their effect on guinea pig ...

journal_title：Journal of biochemistry

authors： Hayashi H,Kudo I,Inoue K,Nomura H,Nojima S

更新日期：1985-04-01 00:00:00

abstract：:Selected biochemical properties, including the charge heterodispersity profile and carbohydrate specificity, of bovine galectin-1 were determined in detail. The lectin was purified through an improved purification protocol that yielded 35-40 mg/kg of wet tissue with a specific activity of 1.7-2 x 10(4) mg-1.ml. The ga...

journal_title：Journal of biochemistry

authors： Ahmed H,Fink NE,Pohl J,Vasta GR

更新日期：1996-11-01 00:00:00

abstract：:Ca2+-Activated neutral protease (CANP), that consists of 80K and 30K subunits, is converted to a low-Ca2+-requiring form by autolysis in the presence of Ca2+. Phosphatidylinositol greatly reduces the Ca2+-requirement for the autolysis of native CANP. However, this effect was not observed for CANP with a trimmed 30K su...

journal_title：Journal of biochemistry

authors： Imajoh S,Kawasaki H,Suzuki K

更新日期：1986-04-01 00:00:00

abstract：:Human liver cytosol contains multiple forms of 3 alpha-hydroxysteroid dehydrogenase and dihydrodiol dehydrogenase with hydroxysteroid dehydrogenase activity, and multiple cDNAs for the enzymes have been cloned from human liver cDNA libraries. To understand the relationship of the multiple enzyme froms to the genes, a ...

journal_title：Journal of biochemistry

authors： Deyashiki Y,Tamada Y,Miyabe Y,Nakanishi M,Matsuura K,Hara A

更新日期：1995-08-01 00:00:00

abstract：:Genomic clones encoding the Drosophila aldolase gene were isolated and the organization of the gene was determined. The protein-coding region spanning nearly 3.5 kb consists of five coding exons (exon 2, 3, 4 alpha, 4 beta, and 4 gamma). The insect exon 2 corresponds to exons 2 to 7 of vertebrate aldolase genes and th...

journal_title：Journal of biochemistry

authors： Kai T,Sugimoto Y,Kusakabe T,Zhang R,Koga K,Hori K

更新日期：1992-11-01 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：:Histidine and its derivatives increased rabbit muscle fructose 1,6-bisphosphatase activity at neutral pH with positive cooperativity. In the presence of histidine and carnosine the optimum pH shifted from pH 8.0 to 7.4. The cooperative response of the enzyme to AMP and fructose 1,6-bisphosphate was observed in the pre...

journal_title：Journal of biochemistry

authors： Ikeda T,Kimura K,Hama T,Tamaki N

更新日期：1980-01-01 00:00:00

abstract：:The 20,000 dalton light chain (L2) was isolated from rabbit and chicken striated muscle myosins, and the Ca2+-induced conformational changes of these proteins were investigated. 1) The reaction of thiol groups of L2 with dithiobisnitrobenzoic acid (DTNB), 2) measurements of the UV difference absorption spectrum, 3) me...

journal_title：Journal of biochemistry

authors： Minowa O,Matsuda S,Yagi K

更新日期：1983-07-01 00:00:00

abstract：:Human neutrophil elastase was purified to homogeneity as two isozymes named E1 and E2. The isozymes degraded Type IV collagen, laminin, fibronectin, and heparan sulfate proteoglycan similarly to each other. The degradation of such basement membrane components by elastase may assist the extravasation of neutrophils in ...

journal_title：Journal of biochemistry

authors： Watanabe H,Hattori S,Katsuda S,Nakanishi I,Nagai Y

更新日期：1990-11-01 00:00:00

abstract：:Recombinant human granulocyte-colony-stimulating factor (G-CSF) was purified from Chinese hamster ovary cells transfected with human G-CSF cDNA. The recombinant human G-CSF was treated with alkaline borohydride and the oligosaccharide-alditols liberated were fractioned by gel filtration on a Bio-Gel P-4 column, follow...

journal_title：Journal of biochemistry

authors： Oheda M,Hase S,Ono M,Ikenaka T

更新日期：1988-03-01 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：: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：:The rate of slow Li+ influx and the fraction of active form of acetylcholine receptor (AChR) of Electrophorus electricus membrane vesicles at equilibrium between the active and desensitized forms of the receptor were measured in the presence of various concentrations of phenyltrimethylammonium (PTA) and nereistoxin (N...

journal_title：Journal of biochemistry

authors： Aoshima H,Hori K,Yamamoto A

更新日期：1987-02-01 00:00:00

abstract：:Polychlorinated biphenyls (PCBs) are well-known recalcitrant environmental pollutants. Although the metabolism of the PCBs has been intensively studied, very little is known about their mechanism of toxicity in living organisms or how they are degraded. We have examined the effects of PCBs on two different yeast strai...

journal_title：Journal of biochemistry

authors： Ryu JH,Lee Y,Han SK,Kim HY

更新日期：2003-07-01 00:00:00

abstract：:The effects of 2'-substitutions of ATP on the substrate and inhibitor properties for RNA synthesis were studied in the poly(dAT)-dependent reaction of Escherichia coli RNA polymerase. In the presence of UTP, 2'-deoxy-2'-azidoadenosine 5'-triphosphate (AZTP) was incorporated into an acid-insoluble fraction at one-tenth...

journal_title：Journal of biochemistry

authors： Ishihama A,Enami M,Nishijima Y,Fukui T,Ohtsuka E,Ikehara M

更新日期：1980-03-01 00:00:00

abstract：:Chorismate mutase of Brevibacterium flavum, a common enzyme in phenylalanine and tyrosine biosynthesis, was separted into two different component, A and B, with molecular weights of 250,000 and 25,000, respectively, by ammonium sulfate fractionation or gel-filtration. Both components were essential for the enzymatic a...

journal_title：Journal of biochemistry

authors： Shiio I,Sugimoto S

更新日期：1979-07-01 00:00:00

abstract：:Fluorescence resonance energy transfer spectroscopy has been used to study the spatial relationships between probes attached to actin and troponin in the reconstituted skeletal muscle thin filament in the presence and absence of Ca2+ ions. Gln-41 and the nucleotide-binding site of actin were selectively labeled with t...

journal_title：Journal of biochemistry

authors： Miki M,Kobayashi T,Kimura H,Hagiwara A,Hai H,Maéda Y

更新日期：1998-02-01 00:00:00

abstract：:We investigated the effects of aging and denervation on the gene expression of uncoupling proteins (UCPs) in slow-twitch soleus and fast-twitch gastrocnemius muscles. In a comparison between the control limbs of 6- and 24-month-old rats, the mRNA levels of UCP3, heart-type fatty acid binding protein (HFABP), and gluco...

journal_title：Journal of biochemistry

authors： Kontani Y,Wang Z,Furuyama T,Sato Y,Mori N,Yamashita H

更新日期：2002-08-01 00:00:00