Kinetics of the "on-off" change in regulatory state of the muscle thin filament.

abstract：:The modes of action of a Vero toxin (VT2 or Shiga-like toxin II) from Escherichia coli, of ricin, and of alpha-sarcin were compared. Elongation factor 1 (EF1) and GTP-dependent Phe-tRNA binding to ribosomes in the presence of poly(U) was inhibited by these three toxins, but EF1 and guanylyl (beta, gamma-methylene)-dip...

journal_title：Archives of biochemistry and biophysics

authors： Furutani M,Kashiwagi K,Ito K,Endo Y,Igarashi K

更新日期：1992-02-14 00:00:00

abstract：:The effect of phenothiazines (trifluoperazine, chlorpromazine, methochlorpromazine, and imipramine) on Ca2+ fluxes in light and heavy sarcoplasmic reticulum (SR) isolated from rabbit fast-twitch skeletal muscle was investigated. These drugs inhibited Ca2+ loading and (Ca2+,Mg2+)-ATPase activity, but had no effect on u...

journal_title：Archives of biochemistry and biophysics

authors： Volpe P,Costello B,Chu A,Fleischer S

更新日期：1984-08-15 00:00:00

abstract：:The solution structure of native and systematically modified ovine submaxillary mucin (OSM) has been probed by proton NMR spectroscopic methods. Most of the resonances in the spectra have been tentatively assigned to the peptide and O-linked disaccharide, alpha-N-acetylneuraminic acid 2----6 alpha-N-acetylgalactosamin...

journal_title：Archives of biochemistry and biophysics

authors： Gerken TA

更新日期：1986-06-01 00:00:00

abstract：:The effects of orally administered secondary autoxidation products of linoleic acid in rat liver were investigated. Their administration led to two toxic effects on hepatic carbohydrate metabolism, as compared to the administration of saline or linoleic acid used as controls. One effect was depletion of glucose 6-phos...

journal_title：Archives of biochemistry and biophysics

authors： Ashida H,Kanazawa K,Minamoto S,Danno G,Natake M

更新日期：1987-11-15 00:00:00

abstract：:Tetrahydrobiopterin plays an important role in the biosynthesis of certain neurotransmitters. Using DEAE-Sepharose FF column chromatography, we separated the enzyme that synthesizes tetrahydrobiopterin from 6-pyruvoyl-tetrahydropterin [which is different from sepiapterin reductase (EC 1.1.1.153)] in the lemon mutant o...

journal_title：Archives of biochemistry and biophysics

authors： Iino T,Takikawa SI,Yamamoto T,Sawada H

更新日期：2000-01-15 00:00:00

abstract：:Altered iso-1- and iso-2-cytochromes c, with certain amino acid replacements, occur at diminished levels due to degradation in the yeast Saccharomyces cerevisiae. A subclass of the labile isocytochromes c are significantly protected from degradation by the presence of cytochromes a.a3 and c1, the physiological partner...

journal_title：Archives of biochemistry and biophysics

authors： Pearce DA,Sherman F

更新日期：1998-04-01 00:00:00

abstract：:The in vivo turnover of several rat liver microsomal proteins was studied using techniques designed to maximize antibody recognition specificity and minimize reutilization of radioactive labels. The kinetics of degradation of seven cytochrome P-450 isozymes, NADPH-cytochrome P-450 reductase, and epoxide hydrolase were...

journal_title：Archives of biochemistry and biophysics

authors： Shiraki H,Guengerich FP

更新日期：1984-11-15 00:00:00

abstract：:Gossypol, a polyphenolic binaphthalene -dialdehyde reputed to exert contraceptive action in males, reversibly inhibits adenylate cyclase [ATP pyrophosphate lyase (cyclizing), EC 4.6.1.1] in a concentration-dependent manner. In membranes prepared from a variety of organs, the half-maximal inhibitory concentration (IC50...

journal_title：Archives of biochemistry and biophysics

authors： Olgiati KL,Toscano DG,Atkins WM,Toscano WA Jr

更新日期：1984-06-01 00:00:00

abstract：:The kinetics of bovine Cu,Zn superoxide dismutase were studied by pulse radiolysis. To ensure the absence of catalytically active free copper, commercially obtained holo-superoxide dismutase was demetallated, and the apo-superoxide dismutase concentrations were determined by isothermal titration calorimetry prior to r...

journal_title：Archives of biochemistry and biophysics

authors： Michel E,Nauser T,Sutter B,Bounds PL,Koppenol WH

更新日期：2005-07-15 00:00:00

abstract：:We reported previously a highly purified phosphatidylinositol-specific phospholipase C (PI-PLC) from bovine brain and from human myelin which was stimulated by myelin basic protein. In this paper we report that the stimulation of the PI-PLC activity by myelin basic protein (MBP) requires arginine residues in peptide l...

journal_title：Archives of biochemistry and biophysics

authors： Tompkins TA,Moscarello MA

更新日期：1993-05-01 00:00:00

abstract：:A biochemical basis for the pea and lentil lectin resistance of two Chinese hamster ovary (CHO) cell mutants, Lec13 and Lec13A, was investigated. Studies of the G glycopeptides of vesicular stomatitis virus grown in the mutants indicated that Lec13 cells essentially lack the ability to add fucose to complex carbohydra...

journal_title：Archives of biochemistry and biophysics

authors： Ripka J,Adamany A,Stanley P

更新日期：1986-09-01 00:00:00

abstract：:Sarcolemmal vesicles of white and red skeletal muscles of the rabbit were prepared by consecutive density gradient centrifugations in sucrose and dextran according to Seiler and Fleischer (1982, J. Biol. Chem. 257, 13,862-13,871). White and red muscle membrane fractions enriched in sarcolemma were characterized by hig...

journal_title：Archives of biochemistry and biophysics

authors： Wetzel P,Gros G

更新日期：1990-06-01 00:00:00

abstract：:The activity of acetyl-CoA carboxylase (ACC), the rate-limiting enzyme of fatty acid biosynthesis, can be regulated by both adenine and guanine nucleotides in vitro. We have employed two inhibitors of IMP dehydrogenase, ribavarin and tiazofurin, to investigate a possible role for intracellular nucleotides in ACC regul...

journal_title：Archives of biochemistry and biophysics

authors： Witters LA,Mendel DB,Colliton JW

更新日期：1987-01-01 00:00:00

abstract：:Putidaredoxin reductase (PdR), an FAD-containing protein, mediates the transfer of electrons from NADH to putidaredoxin in the cytochrome P-450cam-dependent oxidation of camphor. Using stopped-flow spectrophotometry, reduction of putidaredoxin reductase by NADH (70 microM) at 4 degrees C appeared to be a pseudo-first-...

journal_title：Archives of biochemistry and biophysics

authors： Roome PW,Peterson JA

更新日期：1988-10-01 00:00:00

abstract：:CYP2D15 is the canine ortholog of human CYP2D6, the human CYP2D isoform involved in the metabolism of drugs such as antiarhythmics, adrenoceptor antagonists, and tricyclic antidepressants. Similar to human, canine CYP2D15 is expressed in the liver, with detectable levels in several other tissues. Three different CYP2D...

journal_title：Archives of biochemistry and biophysics

authors： Roussel F,Duignan DB,Lawton MP,Obach RS,Strick CA,Tweedie DJ

更新日期：1998-09-01 00:00:00

abstract：:Recently, we characterized a surface antigen (Z-1) of guinea pig macrophages by monoclonal anti-Z-1 antibody. The Z-1 antigen consists of two different polypeptide chains; alpha (140 kDa) and beta (95 kDa). This antigen is closely correlated with the phagocytic activity of the cells for zymosan and presumably function...

journal_title：Archives of biochemistry and biophysics

authors： Hazeki K,Tamoto K,Tada M,Mori Y

更新日期：1989-05-01 00:00:00

abstract：:The rate constant for quenching, kq, of the phosphorescence of 6-bromo-2-naphthyl sulfate (BNS) by cytochromes c, cytochrome c peroxidase, catalase, and myoglobin has been measured as a function of temperature and solvent viscosity. In aqueous solution at pH 7.0 for cytochromes c and myoglobin the value of kq is nearl...

journal_title：Archives of biochemistry and biophysics

authors： Beckham S,Cook MP,Karki L,Luchsinger MM,Whitlock VR,Wu Y,Zhang Q,Schuh MD

更新日期：1994-05-01 00:00:00

abstract：:Biochemical communication between the cytoplasmic and mitochondrial subsystems of the cell depends on solute carriers in the mitochondrial inner membrane that transport metabolites between the two compartments. We have expressed and purified a yeast mitochondrial carrier protein (Mtm1p, YGR257cp), originally identifie...

journal_title：Archives of biochemistry and biophysics

authors： Whittaker MM,Penmatsa A,Whittaker JW

更新日期：2015-02-15 00:00:00

abstract：:The visible and near-uv absorption and circular dichroic spectra were determined for spinach and poplar plastocyanin under a variety of conditions. The visible spectra showed that the copper center was invariant to changes in species, chemical modification with ethylenediamine, and addition of high concentrations of s...

journal_title：Archives of biochemistry and biophysics

authors： Draheim JE,Anderson GP,Pan RL,Rellick LM,Duane JW,Gross EL

更新日期：1985-02-15 00:00:00

abstract：:The relative rates of transcription of the rat liver glutathione S-transferase Ya-Yc and Yb genes were determined in purified liver nuclei isolated at different times after phenobarbital or 3-methylcholanthrene administration. The transcriptional rates of the Ya-Yc and Yb genes were elevated approximately fivefold 8 a...

journal_title：Archives of biochemistry and biophysics

authors： Ding VD,Pickett CB

更新日期：1985-08-01 00:00:00

abstract：:Extracellular ATP is known to increase the membrane permeability of a variety of cells. Addition of ATP to human leukemic lymphocytes loaded with the Ca2+ indicator, fura-2, induced a rise in cytosolic Ca2+ concentration which was attenuated or absent in NaCl media compared with KCl, choline Cl, or NMG Cl media. In co...

journal_title：Archives of biochemistry and biophysics

authors： Wiley JS,Chen R,Wiley MJ,Jamieson GP

更新日期：1992-02-01 00:00:00

abstract：:The present paper reports a quantitative investigation on the binding of aluminum to human serum albumin. Equilibrium dialysis and a general thermodynamic approach have been used to determine the binding parameters. Two aluminum binding sites have been identified on the albumin molecule, involving sites with single an...

journal_title：Archives of biochemistry and biophysics

authors： Zatta P,Dalla Via L,Di Noto V

更新日期：2003-09-01 00:00:00

abstract：:The most common form of muscular dystrophy is known as Myotonic dystrophy Type 1 (DM1) in adults. It was aimed to investigate the relationship between antioxidant imbalance and diaphragm thickness with pulmonary function test results in peripheral blood of Myotonic Dystrophy Type 1 patients. In the prospective study, ...

journal_title：Archives of biochemistry and biophysics

authors： Koc F,Atli G,Menziletoglu SY,Kose S

更新日期：2020-02-15 00:00:00

abstract：:The effects of alcohols on the reactivity of Azotobacter vinelandii hydrogenase were investigated. Hydrogenase catalyzed H2 oxidation coupled to methylene blue, benzyl viologen, or phenazine methosulfate when in the presence of solvents containing 15 or 40% ethanol or 40% methanol or 2-propanol. In general, the Km's f...

journal_title：Archives of biochemistry and biophysics

authors： Arp DJ

更新日期：1988-02-15 00:00:00

abstract：:The effect of hypothyroidism on kinetic characteristics of cytochrome oxidase in rat heart mitochondria was studied. Mitochondrial preparations from control and hypothyroid rats had equivalent Km values for cytochrome c, while the maximal activity of the oxidase was significantly decreased (more than 30%) in mitochond...

journal_title：Archives of biochemistry and biophysics

authors： Paradies G,Ruggiero FM,Dinoi P,Petrosillo G,Quagliariello E

更新日期：1993-11-15 00:00:00

abstract：:A58 is a murine monoclonal antibody raised against the internal dimeric subunit A alpha 1 of the hemocyanin of the scorpion Androctonus australis. When A58 is tested against a range of related hemocyanins, it exhibits cross-reactivity with a limited number of scorpion species. All of them belong to a single Scorpion F...

journal_title：Archives of biochemistry and biophysics

authors： Billiald P,Motta G,Vaux DJ

更新日期：1995-03-10 00:00:00

abstract：:Oxygen free radicals and hydroperoxides have been postulated to play a causal role in the aging process, implying that antioxidant enzymes may act as longevity determinants. Catalase (H2O2:H2O2 oxidoreductase; EC1.11.1.6) is the sole enzyme involved in the elimination of H2O2 in Drosophila melanogaster; glutathione pe...

journal_title：Archives of biochemistry and biophysics

authors： Orr WC,Sohal RS

更新日期：1992-08-15 00:00:00

abstract：:The expression and induction of cytochrome P450 by 2,3,7,8-tetrachlordibenzo-p-dioxin (TCDD) and beta-naphthoflavone (BNF) in a new liver cell line from adult zebrafish (Brachydanio rerio) were studied. Subcellular fractions from control, BNF- or TCDD-treated cells did not show detectable bands in immunoblots probed w...

journal_title：Archives of biochemistry and biophysics

authors： Miranda CL,Collodi P,Zhao X,Barnes DW,Buhler DR

更新日期：1993-09-01 00:00:00

abstract：:Truncation of 112 amino acids at the N-terminus (Nd(1-112)) changes the chain transfer pattern of the Escherichia coli glycogen branching enzyme (GBE) [Arch. Biochem. Biophys. 397 (2002) 279]. We investigated further the role of the N-terminus by engineering other truncated GBEs and analyzing the branching pattern by ...

journal_title：Archives of biochemistry and biophysics

authors： Devillers CH,Piper ME,Ballicora MA,Preiss J

更新日期：2003-10-01 00:00:00

abstract：:We have characterized tamulustoxin, a novel 35-amino-acid peptide found in the venom of the Indian red scorpion (Mesobuthus tamulus). Tamulustoxin was identified through a [125I]toxin I screen, designed to identify toxins that block voltage-activated potassium channels. Tamulustoxin has also been cloned by RT-PCR, usi...

journal_title：Archives of biochemistry and biophysics

authors： Strong PN,Clark GS,Armugam A,De-Allie FA,Joseph JS,Yemul V,Deshpande JM,Kamat R,Gadre SV,Gopalakrishnakone P,Kini RM,Owen DG,Jeyaseelan K

更新日期：2001-01-01 00:00:00