Variations in hepatic progesterone 21-hydroxylase activity reflect differences in the microsomal concentration of rabbit cytochrome P-450 1.

abstract：:Fructose 2,6-bisphosphate inhibited all three fructose-1,6-bisphosphatases from the liver, intestine, and muscle of the mouse. The sensitivity of the liver enzyme to the inhibitor was significantly diminished when Mg2+ was replaced by Mn2+ as the activating cation. Inhibition of the liver enzyme by fructose 2,6-bispho...

journal_title：Archives of biochemistry and biophysics

authors： Mizunuma H,Tashima Y

更新日期：1983-10-01 00:00:00

abstract：:In this investigation we report the presence of two forms of inositol (1,4,5)P3/(1,3,4,5)P4-polyphosphate 5-phosphatase activity (types I and II) which were observed in soluble extracts of skeletal muscle after fractionation by DEAE-Sephacel chromatography. Hydrolysis of D-myo-inositol 1,4,5-trisphosphate (Ins(1,4,5)P...

journal_title：Archives of biochemistry and biophysics

authors： Hansbro PM,Foster PS,Hogan SP,Ozaki S,Denborough MA

更新日期：1994-05-15 00:00:00

abstract：:The cytochrome P-450-dependent cholesterol side chain cleavage system of the brain has been studied using nonsynaptic mitochondria as the source of enzymatic activity. The system has been found to bind cholesterol and 11-deoxycorticosterone, producing type I difference spectra, whereas the binding of pregnenolone indu...

journal_title：Archives of biochemistry and biophysics

authors： Walther B,Ghersi-Egea JF,Minn A,Siest G

更新日期：1987-05-01 00:00:00

abstract：:The excimer fluorescence of pyrene iodoacetamide-labeled tropomyosin bound to actin is a probe of the regulatory state change of the muscle thin filament associated with the cooperative binding of myosin subfragment 1 (S1) (Y. Ishii and S. S. Lehrer, Biochemistry 29, 1160, 1990). In this study, the excimer fluorescenc...

journal_title：Archives of biochemistry and biophysics

authors： Ishii Y,Lehrer SS

更新日期：1993-08-15 00:00:00

abstract：:The catalytic activity of glyceraldehyde 3-phosphate dehydrogenase (GAPDH) decreased (almost linearly) as a function of increasing concentrations of tubulin; the total loss in activity was attained at a ratio of 1.2 to 1.8 tubulin dimer to GAPDH tetramer. Based on the inhibition data, a dissociation constant for the t...

journal_title：Archives of biochemistry and biophysics

authors： Muronetz VI,Wang ZX,Keith TJ,Knull HR,Srivastava DK

更新日期：1994-09-01 00:00:00

abstract：:Interleukin-1 alpha (IL-1) stimulated the release of degraded proteoglycan from primary cultures of chondrocyte monolayers in a time- and dose-dependent fashion. Bafilomycin A1, a specific inhibitor of the vacuolar H(+)-ATPase, efficiently blocked acidification of the chondrocyte vacuolar system. Under these condition...

journal_title：Archives of biochemistry and biophysics

authors： Yocum SA,Lopresti-Morrow LL,Gabel CA,Milici AJ,Mitchell PG

更新日期：1995-02-01 00:00:00

abstract：:PFam Clan 0032, also known as the CDE superfamily, is a diverse group of at least 20 protein families sharing a common α,β-barrel domain. Of these, six different groups bind heme inside the barrel's interior, using it alternately as a cofactor, substrate, or product. Focusing on these six, an integrated picture of str...

journal_title：Archives of biochemistry and biophysics

authors： Celis AI,DuBois JL

更新日期：2015-05-15 00:00:00

abstract：:The G1 glycoprotein of Punta Toro virus, a member of the bunyavirus family, accumulates in the Golgi complex when it is expressed from cloned cDNA. We previously reported that the information necessary for Golgi retention of the G1 protein is located within the transmembrane domain and a portion of the cytoplasmic dom...

journal_title：Archives of biochemistry and biophysics

authors： Matsuoka Y,Chen SY,Holland CE,Compans RW

更新日期：1996-12-01 00:00:00

abstract：:D-Proline is converted to 5-amino valeric acid by D-proline reductase. This conversion involves the reductive cleavage of the alpha-carbon-nitrogen bond. We have examined the fate of the carboxyl oxygen atoms during conversion of D-proline to delta-NH2-valeric acid. 18O atoms from the carboxyl group of D-proline are n...

journal_title：Archives of biochemistry and biophysics

authors： Arkowitz RA,Dhe-Paganon S,Abeles RH

更新日期：1994-06-01 00:00:00

abstract：:Renally excreted 8-oxo-7,8-dihydro-2(')-deoxyguanosine (oxo(8)dG) is a potential marker of oxidative DNA damage by reactive oxygen species. Whole-body degradation rates of t- and rRNA are potential indicators of the resting metabolic rate (RMR). Excretion rates of oxo(8)dG and degradation rates of t- and rRNA were det...

journal_title：Archives of biochemistry and biophysics

authors： Topp H,Armbrust S,Lengger C,Schöch G,Davies J,Stichler W,Manz F,Fusch C

更新日期：2002-06-01 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 objective of this study was to determine if oxidative stress/damage is a possible causal factor in the senescence-related loss of brain functions in the mouse. If such a relationship indeed existed, it was expected that oxidative protein damage would increase with age within regions of the brain associated with se...

journal_title：Archives of biochemistry and biophysics

authors： Dubey A,Forster MJ,Lal H,Sohal RS

更新日期：1996-09-01 00:00:00

abstract：:In recent years there has been much interest in the role that products of carotenoid breakdown--the norisoprenoids--may play in wine aroma. The basis for this interest is that norisoprenoids have very low olfactory perception thresholds and so have a high sensorial impact on wine aroma. The norisoprenoids can be forme...

journal_title：Archives of biochemistry and biophysics

authors： Mendes-Pinto MM

更新日期：2009-03-15 00:00:00

abstract：:Previous work has shown that catalytic function is associated exclusively with the C-terminal half of the Type I isozyme of mammalian hexokinase. In contrast, we now demonstrate that both halves of the Type II isozyme possess comparable catalytic activities. Mutation of a catalytically important Ser residue to Ala at ...

journal_title：Archives of biochemistry and biophysics

authors： Tsai HJ,Wilson JE

更新日期：1996-05-01 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：:Aldehyde oxidase (AO) and xanthine oxidase (XO) are cytosolic enzymes that have been involved in some pathological conditions and play an important role in the biotransformation of drugs and xenobiotics. The increasing interest in these enzymes demands for a simple and rapid procedure for their purification. This pape...

journal_title：Archives of biochemistry and biophysics

authors： Maia L,Mira L

更新日期：2002-04-01 00:00:00

abstract：:Phosphoenolpyruvate (PEP) carboxylase is regulated by reversible phosphorylation in higher plants. Recently several genes encoding PEP carboxylase kinase have been cloned. The purpose of this article is to assess the contribution that information on the structure and expression of these genes is making to our understa...

journal_title：Archives of biochemistry and biophysics

authors： Nimmo HG

更新日期：2003-06-15 00:00:00

abstract：:Swainsonine, a toxic plant alkaloid reported to be the agent that induces in animals a neurological condition very similar to the hereditary lysosomal storage disease mannosidosis, and to inhibit the formation of complex glycoproteins of the asparagine-linked class, was recently shown [D.R.P. Tulsiani, T.M. Harris, an...

journal_title：Archives of biochemistry and biophysics

authors： Tulsiani DR,Touster O

更新日期：1983-07-15 00:00:00

abstract：:A full-length recombinant mutant of diphtheria toxin containing serine in place of a crucial active-site glutamate has been purified and characterized. The serine substitution caused a minor structural alteration in the toxin as measured by trypsinolysis. ADP-ribosyltransferase activity and cytotoxicity of the mutant ...

journal_title：Archives of biochemistry and biophysics

authors： O'Keefe DO

更新日期：1992-08-01 00:00:00

abstract：:Two Escherichia coli mutants that lack both cytochrome o and d terminal oxidases are able to grow with glucose as the carbon source but not with the aerobic substrates succinate or lactate. One of these, GV101, is a deletion mutant of cytochrome o and a point mutation of cytochrome d. The other, GK100, is a total dele...

journal_title：Archives of biochemistry and biophysics

authors： Dikshit RP,Dikshit KL,Liu YX,Webster DA

更新日期：1992-03-01 00:00:00

abstract：:Reductant-independent ATPase activity was initiated and studied for Azotobacter vinelandii and Clostridium pasteuranium nitrogenase proteins (Av1, Cp1 and Av2, Cp2, 1 designating the iron molybdenum protein and 2 the iron protein) and their heterologous crosses by two methods: (1) allowing dithionite to be depleted fr...

journal_title：Archives of biochemistry and biophysics

authors： Larsen C,Christensen S,Watt GD

更新日期：1995-11-10 00:00:00

abstract：:The adrenal gland synthesizes steroid hormones from the adrenal cortex and catecholamines from the adrenal medulla. Both cortisol and adrenal androgens can have powerful effects on bone. The overproduction of cortisol in Cushing's disease leads to a dramatic reduction in bone density and an increase risk of fracture. ...

journal_title：Archives of biochemistry and biophysics

authors： Hardy R,Cooper MS

更新日期：2010-11-01 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：:Constitutive androstane receptor (CAR) transactivation is enhanced by p160 coactivators, which include three members, SRC-1, SRC-2, and SRC-3. Each of the p160 coactivators enhanced mouse CAR (mCAR) transactivation of the CYP2B1 phenobarbital (PB)-responsive enhancer in transfected cultured cells and mouse hepatocytes...

journal_title：Archives of biochemistry and biophysics

authors： Xia J,Liao L,Sarkar J,Matsumoto K,Reddy JK,Xu J,Kemper B

更新日期：2007-12-01 00:00:00

abstract：:The ability for various ligands to modulate the binding of fructose 1,6-bisphosphate (Fru-1,6-P2) with purified rat liver pyruvate kinase was examined. Binding of Fru-1,6-P2 with pyruvate kinase exhibits positive cooperativity, with maximum binding of 4 mol Fru-1,6-P2 per enzyme tetramer. The Hill coefficient (nH), an...

journal_title：Archives of biochemistry and biophysics

authors： Blair JB,Walker RG

更新日期：1984-07-01 00:00:00

abstract：:Activation of different forms of adenylate cyclases (AC) by forskolin and displacement of [14,15-3H]dihydroforskolin binding from membranes by forskolin in the absence or presence of specific stimulatory hormone and beta, gamma-imidoguanosine 5'-triphosphate (Gpp(NH)p) have been studied. These conditions have been use...

journal_title：Archives of biochemistry and biophysics

authors： Shi QH,Ruiz JA,Ho RJ

更新日期：1986-11-15 00:00:00

abstract：:Macrophages play a pivotal role in the defense response against harmful pathogens and stimuli by releasing various pro-inflammatory mediators. However, overproduction of pro-inflammatory mediators will do harm to the organism and cause inflammation-associated diseases. Omentin-1, which is a newly discovered adipokine,...

journal_title：Archives of biochemistry and biophysics

authors： Wang J,Gao Y,Lin F,Han K,Wang X

更新日期：2020-01-15 00:00:00

abstract：:According to differences in mobility on SDS-polyacrylamide gel electrophoresis, calpastatins (inhibitor proteins of the calcium-dependent proteinase calpain) are classified into the tissue type (100-120 kDa) and the erythrocyte type (70 kDa), which lacks the amino-terminal domains (domains L and 1). We investigated th...

journal_title：Archives of biochemistry and biophysics

authors： Takano E,Nosaka T,Lee WJ,Nakamura K,Takahashi T,Funaki M,Okada H,Hatanaka M,Maki M

更新日期：1993-06-01 00:00:00

abstract：:The parent pyridine nucleotide NAD is the end product of oxidative tryptophan catabolism via the kynurenine pathway. Indoleamine 2, 3-dioxygenase, the rate-limiting enzyme for this pathway, is induced by the proinflammatory cytokine interferon-gamma. The aim of this study was to investigate the effect of interferon-ga...

journal_title：Archives of biochemistry and biophysics

authors： Grant RS,Passey R,Matanovic G,Smythe G,Kapoor V

更新日期：1999-12-01 00:00:00

abstract：:Manganese-oxo porphyrins have been well studied as biomimetic models of cytochromes P450 and are known to be able to catalyze substrate hydroxylation reactions. Recent experimental studies [J.Y. Lee, Y.-M. Lee, H. Kotani, W. Nam, S. Fukuzumi, Chem. Commun. (2009) 704] showed that Mn(V)-oxo porphyrins react rapidly wit...

journal_title：Archives of biochemistry and biophysics

authors： Latifi R,Tahsini L,Karamzadeh B,Safari N,Nam W,de Visser SP

更新日期：2011-03-01 00:00:00