Oxygenation of polyunsaturated long chain fatty acids by recombinant CYP4F8 and CYP4F12 and catalytic importance of Tyr-125 and Gly-328 of CYP4F8.

abstract：:The proteasome activator protein PA28 or 11 S regulator may play an important role in facilitating the generation of peptides for presentation by the MHC class I system. PA28 is composed of two homologous subunits termed alpha and beta. Removal of the carboxyl terminal tyrosine of the alpha subunit of PA28 abolishes a...

journal_title：Archives of biochemistry and biophysics

authors： Wilk S,Chen WE,Magnusson RP

更新日期：1998-11-15 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：:Human NTPDase2 and chicken NTPDase8 are cell surface nucleotidases that contain two transmembrane domains (TMD) and five apyrase conserved regions (ACRs). ACR1 is located near the N-terminal TMD whereas ACR5 is located near the C-terminal TMD. The human NTPDase2 activity is decreased by low concentration of NP-40 and ...

journal_title：Archives of biochemistry and biophysics

authors： Chiang WC,Knowles AF

更新日期：2008-04-15 00:00:00

abstract：:Rabbit antibodies raised against the hydrophilic part of microsomal NADPH-cytochrome P450 oxidoreductase (denoted fpT) demonstrated a marked ability to inhibit NADPH-sterol Delta7-reductase activity. In addition, trypsin and proteinase K treatment of microsomes removed almost all microsomal electron transfer constitue...

journal_title：Archives of biochemistry and biophysics

authors： Nishino H,Ishibashi T

更新日期：2000-02-15 00:00:00

abstract：:An inhibitor of the transforming growth factor-induced growth in soft agar of normally anchorage-dependent rat kidney fibroblasts has been detected in the acid-ethanol extracts of human placenta, bovine lung and kidney, and human rhabdomyosarcoma cells (A673). The inhibitor has been purified from human placenta by gel...

journal_title：Archives of biochemistry and biophysics

authors： Frolik CA,Roller PP,Cone JL,Dart LL,Smith DM,Sporn MB

更新日期：1984-04-01 00:00:00

abstract：:The role of malnutrition in the development of cachexia in rats bearing the Yoshida ascites hepatoma AH-130 was investigated by comparing the changes in tissue protein turnover in these animals with those observed in pair-fed controls. The tumor elicited in rats an early and conspicuous loss of body weight and tissue ...

journal_title：Archives of biochemistry and biophysics

authors： Tessitore L,Costelli P,Bonetti G,Baccino FM

更新日期：1993-10-01 00:00:00

abstract：:Hippocampal-dependent cognitive functions rely on production of new neurons and maintenance of dendritic structures to provide the synaptic plasticity needed for learning and formation of new memories. Hippocampal formation is exquisitely sensitive to patho-physiological changes, and reduced antioxidant capacity and e...

journal_title：Archives of biochemistry and biophysics

authors： Huang TT,Leu D,Zou Y

更新日期：2015-06-15 00:00:00

abstract：:The mitochondrial apoptosis pathway has been neatly ordered. Mitochondrial apoptosis is governed by Bcl-2 family proteins, and their respective contributions determine the release of cytochrome c. It is clear that, among the Bcl-2 family, BH3-only proteins are the triggers: activation of BH3-only proteins by apoptotic...

journal_title：Archives of biochemistry and biophysics

authors： Häcker G,Weber A

更新日期：2007-06-15 00:00:00

abstract：:The radioactive, photoactivatable labeling probe [beta-32P]5-azidouridine 5'-diphosphoglucose has recently been shown to label a 62-kDa protein in crude homogenates and in partially purified enzyme preparations without photoactivation. Here, we report that a portion of this radioactivity is due to labeling of phosphog...

journal_title：Archives of biochemistry and biophysics

authors： Marchase RB,Richardson KL,Srisomsap C,Drake RR,Haley BE

更新日期：1990-07-01 00:00:00

abstract：:Activities of ketone body-metabolizing enzymes in rat brain rise 3- to 5-fold during the suckling period, then fall more than 50% after weaning. Our purpose was to determine the mechanism of the developmental changes in activity of 3-oxoacid CoA-transferase in rat brain and to study its regulation by dietary modificat...

journal_title：Archives of biochemistry and biophysics

authors： Haney PM,Patel MS

更新日期：1985-07-01 00:00:00

abstract：:The topographical localization of the N-terminus of cytochrome b in the inner mitochondrial membrane was determined by mild proteolysis of the yeast mitochondrial cytochrome bc1 complex and identification of the proteolytic fragments derived from subunits of the complex with an established orientation in the inner mem...

journal_title：Archives of biochemistry and biophysics

authors： Beattie DS,Jenkins HC,Howton MM

更新日期：1994-07-01 00:00:00

abstract：:A comparative study was made of the metal ion requirement of rat liver mitochondrial phospholipase A2 in purified and membrane-associated forms. Membrane-bound enzyme was assayed using either exogenous or endogenous phosphatidylethanolamine. Although several divalent metal ions caused increased activity of the membran...

journal_title：Archives of biochemistry and biophysics

authors： De Winter JM,Korpancova J,van den Bosch H

更新日期：1984-10-01 00:00:00

abstract：:Erythropoietin was purified to homogeneity from the culture medium of a baby hamster kidney cell line stably transfected with a human erythropoietin gene. A three-step procedure was used, which included affinity chromatography, ion-exchange chromatography, and reverse-phase chromatography. Purity of the protein was co...

journal_title：Archives of biochemistry and biophysics

authors： Broudy VC,Tait JF,Powell JS

更新日期：1988-09-01 00:00:00

abstract：:The serine hydrolases constitute multi-families of proteins that include lipases, esterases, and proteases. These enzymes contain a signature motif GXSXG, in which the serine residue acts as the nucleophile and initiates catalysis. This report describes the characterization of a novel serine hydrolase from rat. This e...

journal_title：Archives of biochemistry and biophysics

authors： Xie M,Yang D,Matoney L,Yan B

更新日期：2003-08-15 00:00:00

abstract：:A gold(III) compound [Au(C^N^C)(IMe)]CF(3)SO(3) (Gold III) has been reported to have anticancer properties as it is able to reduce topoisomerase IB activity in vitro and suppress tumor growth in nude mice model. Here we have investigated the mechanism of inhibition of human topoisomerase IB activity by this compound, ...

journal_title：Archives of biochemistry and biophysics

authors： Castelli S,Vassallo O,Katkar P,Che CM,Sun RW,Desideri A

更新日期：2011-12-15 00:00:00

abstract：:Chronic kidney disease (CKD) is an increasingly recognized burden for patients and health care systems with high (and growing) global incidence and prevalence, significant mortality, and disproportionately high treatment costs. Yet, the available diagnostic tools are either impractical in clinical routine or have seri...

journal_title：Archives of biochemistry and biophysics

authors： Breit M,Weinberger KM

更新日期：2016-01-01 00:00:00

abstract：:Subcutaneous implantation of demineralized bone matrix in rats induces migration of host cells into the site and results in the sequential development of cartilage and bone. The biosynthesis and metabolic fate of proteoglycans in the plaques at the bone matrix implantation site were investigated by [35S]sulfate labeli...

journal_title：Archives of biochemistry and biophysics

authors： Tian MY,Yanagishita M,Hascall VC,Reddi AH

更新日期：1986-05-15 00:00:00

abstract：:NAD kinase from human neutrophils has been partially purified by sequential application of Red Agarose, ion-exchange, and gel-filtration chromatography. The enzyme has a broad pH optimum, 7.0-9.5, is strictly dependent upon the presence of Mg2+, and in the absence of calcium exhibits Km values of 0.6 and 0.9 mM for NA...

journal_title：Archives of biochemistry and biophysics

authors： Williams MB,Jones HP

更新日期：1985-02-15 00:00:00

abstract：:A microsomal retinol dehydrogenase (RoDH) that recognizes holo-cellular retinol binding protein (CRBP) as substrate is inhibited by phenylarsine oxide (IC50 = 3 microM) in the presence of 10 mM cysteine. Inhibition was reversible with dithiothreitol, indicating that two cysteine residues in close proximity are essenti...

journal_title：Archives of biochemistry and biophysics

authors： Boerman MH,Napoli JL

更新日期：1995-08-20 00:00:00

abstract：:Phenolic phytochemicals such as tannins, which are natural constituents of green tea, red wine, and other plant products, are considered to have cancer-preventive properties. An important endogenous mediator of tumorigenesis is the nuclear enzyme poly(ADP-ribose) polymerase 1 (PARP-1). PARP-1 synthesizes polymers of A...

journal_title：Archives of biochemistry and biophysics

authors： Keil C,Petermann E,Oei SL

更新日期：2004-05-01 00:00:00

abstract：:Alanine:glyoxylate aminotransferase has been reported to be present as the apo enzyme in the peroxisomes and as the holo enzyme in the mitochondria in chick (white leghorn) embryonic liver. However, surprisingly, birds were found to be classified into two groups on the basis of intraperoxisomal forms of liver alanine:...

journal_title：Archives of biochemistry and biophysics

authors： Sakuraba H,Fujiwara S,Noguchi T

更新日期：1991-05-01 00:00:00

abstract：:In the present study steered molecular dynamics simulations were applied to investigate the unbinding process of the complex of human carbonic anhydrase with the natural HCO3(-) and promiscuous H2NCOHN(-) products. This process is crucial for restoring the catalytic cycle of the enzyme. This investigation set out to g...

journal_title：Archives of biochemistry and biophysics

authors： Piazzetta P,Marino T,Russo N

更新日期：2015-09-15 00:00:00

abstract：:The photooxidizing xanthene dye rose bengal is shown to induce rapid Ca2+ release from skeletal muscle sarcoplasmic reticulum (SR) vesicles. In the presence of light, nanomolar concentrations of rose bengal increase the Ca2+ permeability of the SR and stimulate the production of singlet oxygen (1O2). In the absence of...

journal_title：Archives of biochemistry and biophysics

authors： Stuart J,Pessah IN,Favero TG,Abramson JJ

更新日期：1992-02-01 00:00:00

abstract：:Cytochrome P450 (P450) 2C1/2 contains redundant endoplasmic reticulum (ER) retention signals and is excluded from the recycling pathway. Other P450s, such as P450 2E1, have been detected in the plasma membrane and Golgi apparatus. To examine whether the mechanisms of ER retention might differ for P450 2C1/2 and P450 2...

journal_title：Archives of biochemistry and biophysics

authors： Szczesna-Skorupa E,Chen CD,Kemper B

更新日期：2000-02-15 00:00:00

abstract：:Previously, we found that mevalonate-derived products together with an oxysterol regulated reductase synthesis at a posttranscriptional level. To determine which products were responsible for this regulation, either the squalene synthase inhibitor zaragozic acid A or the squalene cyclase inhibitor 4,4,10-beta-trimethy...

journal_title：Archives of biochemistry and biophysics

authors： Peffley DM,Gayen AK

更新日期：1997-01-15 00:00:00

abstract：:Sucrose-phosphate synthase (SPS; EC 2.4.1.14) is regulated in part by reversible protein phosphorylation. When dephospho-SPS is partially purified from illuminated spinach leaves and incubated with [gamma-32P]ATP the enzyme is phosphorylated by a copurifying protein kinase. In this report, 32P-phosphopeptides from try...

journal_title：Archives of biochemistry and biophysics

authors： McMichael RW Jr,Klein RR,Salvucci ME,Huber SC

更新日期：1993-12-01 00:00:00

abstract：:Tobacco-induced oxidative stress leads to chronic inflammation and is implicated in the development of many human epithelial cancers, including head and neck cancer. Cigarette smoke exposure was shown to induce the expression of the ΔNp63α and nitric oxide synthase (NOS)-2 in head and neck squamous cell carcinoma cell...

journal_title：Archives of biochemistry and biophysics

authors： Ratovitski EA

更新日期：2011-02-15 00:00:00

abstract：:The soluble form of mitochondrial adenosine triphosphatase was purified in an electrophoretically and immunologically pure form from sweet potato root tissue. The enzyme consisted of six kinds of subunits with different molecular weights (52,500, 51,500, 35,500, 26,000, 23,000, and 12,000), and its molecular weight wa...

journal_title：Archives of biochemistry and biophysics

authors： Iwasaki Y,Asahi T

更新日期：1983-11-01 00:00:00

abstract：:A glucosyltransferase, which catalyzed the transfer of glucose from UDP-glucose (UDPG) to p-hydroxybenzoate (PHB) in cell cultures of Lithospermum erythrorhizon Sieb. et Zucc., Boraginaceae, was purified 219-fold by ammonium sulfate fractionation and chromatography on DEAE-Sephacel, Sephadex G-150, and phenyl-Sepharos...

journal_title：Archives of biochemistry and biophysics

authors： Bechthold A,Berger U,Heide L

更新日期：1991-07-01 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