Protein folding: then and now.

abstract：:Fibronectin heterogeneity is, in part, the result of post-translational modifications. In these experiments, cartilage fibronectins were purified by anion exchange chromatography, followed by gelatin affinity chromatography or immunoprecipitation, and, finally, sodium dodecyl sulfate--polyacrylamide gel electrophoresi...

journal_title：Archives of biochemistry and biophysics

authors： Burton-Wurster N,Lust G

更新日期：1993-11-01 00:00:00

abstract：:Advances in management have resulted in a dramatic decline in mortality for individuals infected with human immunodeficiency virus (HIV). This decrease in mortality, initially the result of improved prophylaxis and treatment of opportunistic infections but later mediated by the use of highly-active antiretroviral ther...

journal_title：Archives of biochemistry and biophysics

authors： Stone B,Dockrell D,Bowman C,McCloskey E

更新日期：2010-11-01 00:00:00

abstract：:The carbohydrate binding stoichiometry of lima bean lectin component III was reexamined using equilibrium dialysis and quantitative affinity chromatography following limited chemical modification. Equilibrium dialysis employing methyl[2-14C]benzamido-2-deoxy-alpha-D-galactopyranoside as ligand demonstrated that the le...

journal_title：Archives of biochemistry and biophysics

authors： Roberts DD,Goldstein IJ

更新日期：1984-04-01 00:00:00

abstract：:1-O-Sinapoylglucose:choline sinapoyltransferase ("sinapine synthase") has been purified from immature seeds of Brassica napus by sequential hydroxylapatite absorption, ion-exchange chromatography, and gel filtration. The purified enzyme has an apparent molecular weight of 65 kDa on gel filtration and a subunit structu...

journal_title：Archives of biochemistry and biophysics

authors： Vogt T,Aebershold R,Ellis B

更新日期：1993-02-01 00:00:00

abstract：:Regional hyperthermia has potential for human cancer treatment, particularly in combination with systemic chemotherapy or radiotherapy. The mechanisms involved in heat-induced cell killing are currently unknown. Hyperthermia may increase oxidative stress in cells, and thus, oxidative stress could have a role in the me...

journal_title：Archives of biochemistry and biophysics

authors： Lord-Fontaine S,Averill DA

更新日期：1999-03-15 00:00:00

abstract：:Candida wickerhamii NRRL Y-2563 produced a cell-bound beta-glucosidase when grown in complex media containing 50 g of cellobiose per liter. The majority of the enzyme was located on the cell surface and was released into the supernatant upon treatment of intact cells with Zymolyase 60,000. Only about 10% of the total ...

journal_title：Archives of biochemistry and biophysics

authors： Freer SN

更新日期：1985-12-01 00:00:00

abstract：:An NAD-preferring glucose 6-phosphate dehydrogenase of Acetobacter hansenii (formerly known as Acetobacter xylinum) has been purified to apparent homogeneity and kinetically characterized. The purified enzyme was stabilized by the use of glycerol, MgSO4, and 2-mercaptoethanol at pH 5.4. The molecular weight of the enz...

journal_title：Archives of biochemistry and biophysics

authors： Ragunathan S,Levy HR

更新日期：1994-05-01 00:00:00

abstract：:The oxidation of 6-hydroxy-2,2,5,7,8-pentamethylchroman, Trolox C, and alpha-tocopherol by horseradish peroxidase was examined by stopped-flow and ESR experiments. The catalytic intermediate of horseradish peroxidase during the oxidation of vitamin E analogues and vitamin E was invariably Compound II, and rate constan...

journal_title：Archives of biochemistry and biophysics

authors： Nakamura M,Hayashi T

更新日期：1992-12-01 00:00:00

abstract：:A class II Zn(2+)-dependent fructose-1,6-bisphosphate (FBP)- aldolase was purified from an overproducer strain of Escherichia coli and characterized by standard biochemical techniques and 13C NMR spectroscopy. The principal finding of these studies was identification, by 13C NMR spectroscopy, of an enzyme-bound reacti...

journal_title：Archives of biochemistry and biophysics

authors： Szwergold BS,Ugurbil K,Brown TR

更新日期：1995-02-20 00:00:00

abstract：:Preparative isoelectric focusing and gel filtration chromatography were used to purify a carboxypeptidase produced by the entomopathogenic fungus Metarhizium anisopliae during growth on cockroach cuticle. The enzyme was inhibited by diisopropyl fluorophosphate, implying involvement of a serine residue in catalysis. Ho...

journal_title：Archives of biochemistry and biophysics

authors： St Leger RJ,Bidochka MJ,Roberts DW

更新日期：1994-11-01 00:00:00

abstract：:Rats fed an ethanol-containing diet for 4 weeks showed a 3- to 5-fold increase over isocalorically pair-fed controls with respect to cytosolic NAD(P)H-quinone oxidoreductase (NQOR) (E.C.1.6.99.2) with both menadione and dichlorophenol-indophenol as substrates. Rates of NAD(P)H-dependent p-nitrosophenol (pNSP) reductio...

journal_title：Archives of biochemistry and biophysics

authors： Hajos AK,Winston GW

更新日期：1992-06-01 00:00:00

abstract：:gG.2 glycoprotein was purified by H966 monoclonal antibodies linked to Sepharose from herpes simplex virus type 2-infected HEp-2 cells labeled with [3H] glucosamine. The glycoprotein was subjected to Pronase digestion and the glycopeptides were fractionated by Con A-Sepharose in a major fraction (88.5% of total radioa...

journal_title：Archives of biochemistry and biophysics

authors： Serafini-Cessi F,Malagolini N,Dall'Olio F,Pereira L,Campadelli-Fiume G

更新日期：1985-08-01 00:00:00

abstract：:Previous studies demonstrated that liver microsomes from untreated rats catalyze the omega, omega-1, and omega-2 hydroxylation of prostaglandins [K. A. Holm, R. J. Engell, and D. Kupfer (1985) Arch. Biochem. Biophys. 237, 477-489]. The current study examined the regioselectivity of hydroxylation of PGE1 and PGE2 by pu...

journal_title：Archives of biochemistry and biophysics

authors： Kupfer D,Jansson I,Favreau LV,Theoharides AD,Schenkman JB

更新日期：1988-02-15 00:00:00

abstract：:Several substrate analogs were tested for their ability to inhibit bovine pancreatic asparagine synthetase. Of the substrate analogs tested both 6-diazo-5-oxo-L-norleucine (DON) and 5-chloro-4-oxo-L-norvaline (CONV) were shown to inhibit the enzyme strongly. DON inhibited the glutaminase and glutamine-dependent aspara...

journal_title：Archives of biochemistry and biophysics

authors： Mehlhaff PM,Schuster SM

更新日期：1991-01-01 00:00:00

abstract：:Production of hydroxyl radicals (HO.) by substrate-supplemented beef heart submitochondrial particles was studied by electron paramagnetic resonance in conjunction with the spin trap 5,5'-dimethyl-1-pirroline-N-oxide (DMPO). Supplementation of submitochondrial particles with NADH or succinate in the presence of antimy...

journal_title：Archives of biochemistry and biophysics

authors： Giulivi C,Boveris A,Cadenas E

更新日期：1995-02-01 00:00:00

abstract：:The regulation of the plasma membrane Ca2+ pump by hormones via phosphorylation in intact cells has not been clearly established. We now present evidence that the Ca2+ pump is phosphorylated on both serine and threonine residues in unstimulated and stimulated cultured rat aortic endothelial cells. Among the stimuli te...

journal_title：Archives of biochemistry and biophysics

authors： Wang KK,Du YS,Diglio C,Tsang W,Kuo TH

更新日期：1991-08-15 00:00:00

abstract：:2-Isopropenyl-2-methyladamantane (2-PMADA) and 3-isopropenyl-3-methyldiamantane (3-PMDIA) showed potent and selective inhibition of cytochrome P450 (CYP) 2B6-mediated reactions with K(i) values of 5.27 and 2.17 microM, respectively. No effect on activities of other human CYP was found even at concentrations 100-fold h...

journal_title：Archives of biochemistry and biophysics

authors： Stiborová M,Borek-Dohalská L,Hodek P,Mráz J,Frei E

更新日期：2002-07-01 00:00:00

abstract：:Versiconal cyclase catalyzes the dehydration of versiconal to versicolorin B or versicolorin C [versicolorin B(C)]. The enzyme was purified from mycelia of Aspergillus parasiticus by DEAE-cellulose, hydroxylapatite, and Mono Q column chromatography. The protein contains two identical subunits of molecular weight 72,00...

journal_title：Archives of biochemistry and biophysics

authors： Lin BK,Anderson JA

更新日期：1992-02-14 00:00:00

abstract：:The complete amino acid sequence of Rapana thomasiana hemocyanin functional unit RtH2-e was determined by direct sequencing and matrix-assisted laser desorption ionization mass spectrometry of peptides obtained by cleavage with EndoLysC proteinase, chymotrypsin, and trypsin. The single-polypeptide chain of RtH2-e cons...

journal_title：Archives of biochemistry and biophysics

authors： Stoeva S,Idakieva K,Betzel C,Genov N,Voelter W

更新日期：2002-03-15 00:00:00

abstract：:Activation of the delta-isoform of protein kinase C (deltaPKC) by certain conditions of oxidative stress results in translocation of the kinase to the mitochondria leading to release of cytochrome c and the induction of apoptosis. In the current study, the effects of myocardial reperfusion-induced deltaPKC translocati...

journal_title：Archives of biochemistry and biophysics

authors： Churchill EN,Szweda LI

更新日期：2005-07-15 00:00:00

abstract：:After an energy source shift-down, Escherichia coli accumulates 70 S ribosome-mRNA complexes ("70 S monosomes"). The monosome mRNA strands are predominantly primary transcription products with purine nucleoside 5'-triphosphate and 5'-diphosphate termini present at a 1:2 ratio. The number-average chain length is 564 +/...

journal_title：Archives of biochemistry and biophysics

authors： Wnek AP,Jacobson LA

更新日期：1985-08-15 00:00:00

abstract：:In early starvation tissue protein degradation increases, however in later starvation proteolysis declines so as to pace gradual atrophy during synthetic failure. Secondary decline of proteolytic pathways under progressive nutritional desperation is unexplained. After several days of starvation tissue GSH is partly de...

journal_title：Archives of biochemistry and biophysics

authors： Lockwood TD

更新日期：2003-09-15 00:00:00

abstract：:Diquat is a hepatotoxin whose toxicity in vivo and in vitro is mediated by redox cycling and greatly enhanced by pretreatment with 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU), an inhibitor of glutathione reductase. The mechanism by which redox cycling mediates diquat cytotoxicity is unclear, however. Here, we have att...

journal_title：Archives of biochemistry and biophysics

authors： Sandy MS,Moldeus P,Ross D,Smith MT

更新日期：1987-11-15 00:00:00

abstract：:The cardiac contraction-relaxation cycle is controlled by a sophisticated set of machinery. Of particular interest, is the revelation that allosteric networks transmit effects of binding at one site to influence troponin complex dynamics and structural-mediated signaling in often distal, functional sites in the myofil...

journal_title：Archives of biochemistry and biophysics

authors： Marques MA,Parvatiyar MS,Yang W,de Oliveira GAP,Pinto JR

更新日期：2019-03-15 00:00:00

abstract：:Current issues in research on health effects by polyphenols are addressed. As to the cardiovascular system, flow-mediated dilation (FMD), a functional biomarker, can be used as surrogate marker for cardiovascular risk. Acute short-term effects peaking at 2h after ingestion of polyphenol-rich food items are distinguish...

journal_title：Archives of biochemistry and biophysics

authors： Sies H

更新日期：2010-09-01 00:00:00

abstract：:The influence of transmembrane ion fluxes on mycoplasma membrane potentials was studied. Electric membrane potential was calibrated vs fluorescence intensity of a potential-sensitive carbocyanine dye according to delta psi = (RT/F) X log([aIN(1 - IN) - b]/Kint), where IN = I/I0, I0 = maximal fluorescence intensity (ob...

journal_title：Archives of biochemistry and biophysics

authors： Schummer U,Schiefer HG

更新日期：1986-02-01 00:00:00

abstract：:Transforming growth factor-β (TGF-β) is pivotal in the pathogenesis of diabetic nephropathy. Type 1 TGF-β receptor (TGF-βR1) is degraded by Smad7-dependent ubiquitination-proteasomal pathway, which is deubiquitinated by ubiquitin C-terminal hydrolase-L5 (UCHL5). Therefore, we studied the role of UCHL5 in high glucose ...

journal_title：Archives of biochemistry and biophysics

authors： Ko YM,Chang CY,Chiou SJ,Hsu FJ,Huang JS,Yang YL,Guh JY,Chuang LY

更新日期：2013-07-15 00:00:00

abstract：:A human, 85-kDa arachidonoyl-specific, cytosolic phospholipase A2 was expressed using the baculovirus-insect cell expression system. Expression resulted in the production of an active protein which consisted of approximately 3% of the total protein in the host Spodoptera frugiperda (Sf9) cells at 67 h after infection....

journal_title：Archives of biochemistry and biophysics

authors： de Carvalho MS,McCormack FX,Leslie CC

更新日期：1993-11-01 00:00:00

abstract：:Glucose-6-phosphatase is a multicomponent system located in the endoplasmic reticulum, involving both a catalytic subunit (G6PC) and several substrate and product carriers. The glucose-6-phosphate carrier is called G6PT1. Using light scattering, we determined K(D) values for phosphate and glucose transport in rat live...

journal_title：Archives of biochemistry and biophysics

authors： Clottes E,Middleditch C,Burchell A

更新日期：2002-12-01 00:00:00

abstract：:Pretreatment of rabbits with imidazole resulted in a twofold increase in hepatic microsomal cytochrome P-450 content, with the apparent induction of two or more distinct forms of the cytochrome [K. K. Hajek and R. F. Novak (1982) Biochem. Biophys. Res. Commun. 108, 664-672]. The metabolic properties of imidazole-induc...

journal_title：Archives of biochemistry and biophysics

authors： Kaul KL,Novak RF

更新日期：1984-12-01 00:00:00