The role of hydrogen peroxide produced by polychlorinated biphenyls in PMR1-deficient yeast cells.

abstract：:Kinetic parameters, Km and Vmax for the transesterification of oligouridylic acid, (Up)nU greater than p (n=0-4), by RNase A were measured spectrophotometrically at pH 7.0 and 25 degrees C. The kinetic parameters, pKm and log Vmax increased with increase in the chain length (n), and seemed to be almost constant with s...

journal_title：Journal of biochemistry

authors： Irie M,Mikami F,Monma K,Ohgi K,Watanabe H,Yamaguchi R,Nagase H

更新日期：1984-07-01 00:00:00

abstract：:Diacylglycerol lipase (DGL) was solubilized from human platelet microsomes with heptyl-beta-D-thioglucoside, and purified to homogeneity on SDS-PAGE using a combination of chromatographic and electrophoretic methods. The molecular mass of the purified DGL was estimated to be 33 kDa. Its apparent pI was pH 6.0, as dete...

journal_title：Journal of biochemistry

authors： Moriyama T,Urade R,Kito M

更新日期：1999-06-01 00:00:00

abstract：:An NAD(P)H-dependent C-nitrosoreductase was purified 90 fold from porcine heart cytosol fraction by ammonium sulfate fractionation, gel filtration with Sephadex G-100, ion-exchange chromatography on DEAE-Sephadex A-50, and affinity chromatography on 5'-AMP-Sepharose. The enzyme had no aldehyde reductase activity and s...

journal_title：Journal of biochemistry

authors： Horie S,Ogura Y

更新日期：1980-10-01 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：:Knockout mice lacking glycosyltransferases or sulfotransferases provide unequivocal evidence that the carbohydrate moieties of glycoproteins, glycolipids, and proteoglycans play essential roles in various biological phenomena such as development, the immune response, and tissue functions. Examples of abnormalities of ...

journal_title：Journal of biochemistry

authors： Muramatsu T

更新日期：2000-02-01 00:00:00

abstract：:Lambda dv plasmids having an amber mutation in an initiator gene, O or P, were constructed from mutant lambda phages by recombinant DNA techniques and several properties of such derivatives were investigated. These plasmids are perpetuated in suppressor-plus (amber-permissive) cells, but not in non-suppressor cells. T...

journal_title：Journal of biochemistry

authors： Miwa T,Akaboshi E,Matsubara K

更新日期：1983-08-01 00:00:00

abstract：:A post-proline cleaving enzyme [prolyl endopeptidase, EC 3.4.21.26] was purified about 3,700-fold from an extract of bovine brain by a series of column chromatographies on DEAE-Sephadex, hydroxyapatite and PCMB-T-Sepharose, and gel filtration on Sephadex G-200 using N-carbobenzoxy-Gly-Pro-beta-naphthylamide (Z-Gly-Pro...

journal_title：Journal of biochemistry

authors： Yoshimoto T,Nishimura T,Kita T,Tsuru D

更新日期：1983-10-01 00:00:00

abstract：:In a previous report (J. Biochem. 89, 1333-1335, 1981) we showed that 30 degrees C-treatment (pCa less than 6 and 2 mM MgCl2), like EDTA-treatment, caused a reversible removal of regulatory light-chains from Akazara adductor myosin. Utilizing the heat-treatment, we now show (a) that not half but the total removal of r...

journal_title：Journal of biochemistry

authors： Ojima T,Nishita K,Watanabe S

更新日期：1983-02-01 00:00:00

abstract：:Paranitrophenylphosphate (pNPP) induced fluorescence changes in fluorescence isothiocyanate (FITC)-labeled Na+,K(+)-ATPase preparations. The extents of changes were similar to those induced by acetylphosphate (AcP) accompanying accumulation of a K(+)-sensitive phosphoenzyme (E2P) and an ouabain bound phosphoenzyme in ...

journal_title：Journal of biochemistry

authors： Yamazaki A,Kaya S,Tsuda T,Araki Y,Hayashi Y,Taniguchi K

更新日期：1994-12-01 00:00:00

abstract：:The interactions of porcine alpha2-macroglobulin (alpha2M) with native proteinases, their zymogens and the chemically-modified enzymes were compared. The alpha2M did not bind to chymotrypsinogen, or to most of the chemically modified derivatives of alpha-chymotrypsin, trypsinogen, DIP- and PMS-trypsins, but it could i...

journal_title：Journal of biochemistry

authors： Tsuru D,Kado K,Fujiwara K,Tmimatsu M,Ogita K

更新日期：1978-05-01 00:00:00

abstract：:Silent information regulator type-1 (SIRT1) is crucial during the development of acute respiratory distress syndrome (ARDS). We aimed to explore whether SIRT1 activation could protect against ARDS. SIRT1 was activated by its agonist SRT1720. ARDS was induced by intraperitoneal injection of 5 mg/kg lipopolysaccharide (...

journal_title：Journal of biochemistry

authors： Zhan Y,Yang C,Zhang Q,Yao L

更新日期：2021-01-22 00:00:00

abstract：:Recombinant horse L-apoferritin and its mutants were used to compare the reactivities of two different cysteinyl residues with 7-fluoro-4-sulfamoyl-2,1,3-benzoxadiazole (ABD-F), p-chloromercuribenzoic acid (PCMB), N-(9-acridinyl)maleimide (NAM), and 4-maleimido-2,2,6,6-tetramethylpiperidine-N-oxyl (NEM-TEMPO). ABD-F s...

journal_title：Journal of biochemistry

authors： Takeda S,Yamaki M,Ebina S,Nagayama K

更新日期：1995-02-01 00:00:00

abstract：:We have previously reported that calpastatin, an endogenous inhibitory protein of calpain, is cleaved by a caspase-3-like protease during apoptosis in human Jurkat T cells [Kato, M. et al. (2000) J. Biochem. 127, 297-305]. In this study, we found that nonmuscle myosin heavy chain-A (NMHC-A) is cleaved during apoptosis...

journal_title：Journal of biochemistry

authors： Kato M,Fukuda H,Nonaka T,Imajoh-Ohmi S

更新日期：2005-02-01 00:00:00

abstract：:Sodium- and potassium-activated adenosinetriphosphatase (Na+, K+-ATPase) purified from dog kidney outer medulla was examined by polyacrylamide gel electrophoresis and by photoaffinity labeling with N-(ouabain)-N'-(2-nitro-4-azidophenyl)-ethylenediamine (NAP-ouabain). The large subunit band (alpha-band) split into two ...

journal_title：Journal of biochemistry

authors： Ohta T,Kawamura M,Hasegawa T,Ishikura H,Nagano K

更新日期：1982-01-01 00:00:00

abstract：:When an aqueous solution of a spin-labeled "two tail" gangliosidoid was incubated with liposomes or sheep erythrocytes, the broad single resonance line in the ESR spectrum disappeared and a signal showing an anisotropic motion appeared, indicating that the spin-labeled "two tail" gangliosidoid in the micellar state wa...

journal_title：Journal of biochemistry

authors： Kanda S,Inoue K,Nojima S,Utsumi H,Wiegandt H

更新日期：1982-06-01 00:00:00

abstract：:The presence of a leucine zipper motif was recognized in the deduced amino acid sequences of human and rat renin-binding proteins (RnBPs) on cloning and sequence analysis of the RnBP cDNAs. The in vitro synthesized RnBPs, with the respective cDNAs, formed heterodimers with porcine renin and homodimers. On comparison o...

journal_title：Journal of biochemistry

authors： Inoue H,Takahashi S,Fukui K,Miyake Y

更新日期：1991-10-01 00:00:00

abstract：:Several maleimide derivatives of potential usefulness as conformational probes were tested for reactivity toward SH groups of Ca2+, Mg2+-ATPase of sarcoplasmic reticulum. These include three fluorescent labels, N-(1-anilinonaphthyl-4)maleimide (ANM), N-(p-(2-benzimidazolyl)phenyl)maleimide (BIPM), and N-(7-dimethylami...

journal_title：Journal of biochemistry

authors： Yasuoka-Yabe K,Kawakita M

更新日期：1983-09-01 00:00:00

abstract：:Agglutinin in the perivitelline fluid (PVF) of Tachypleus gigas, horseshoe crab, embryo was isolated and purified by a combination of affinity column chromatography on Sepharose 4B coupled with bovine submaxillary gland mucin and gel-filtration of Fractogel TSK (Toyopearl) HW-60 in Tris-NaCl-CaCl2 (0.05 M Tris-HCl, pH...

journal_title：Journal of biochemistry

authors： Shishikura F,Sekiguchi K

更新日期：1984-09-01 00:00:00

abstract：:The absorption of bile alcohols by rat small intestine was studied using in vivo and in vitro preparations. In bile duct cannulated rats, intraduodenal administered bile alcohols were certainly absorbed and excreted in the bile, although the absorption was not so efficient as for bile acids. The absorption during a 24...

journal_title：Journal of biochemistry

authors： Hoshita T,Harada N,Morita I,Kihira K

更新日期：1981-11-01 00:00:00

abstract：:Do non-active-site residues participate in protein function in a more direct way than just by holding the static framework of the protein molecule? If so, how important are they? As a model to answer these questions, ATB17, which is a mutant of aspartate aminotransferase created by directed evolution, is an ideal syst...

journal_title：Journal of biochemistry

authors： Shimotohno A,Oue S,Yano T,Kuramitsu S,Kagamiyama H

更新日期：2001-06-01 00:00:00

abstract：:The P1' Ser(50) at the second reactive site of soybean protease inhibitor C-II was replaced with arginine to confirm the contribution of this residue to the inhibition. The Arg derivative had less trypsin inhibitory activity (Ki = 1 X 10(-7) M) than the Ser derivative (Ki = 2 X 10(-8) M), in contrast to the results ob...

journal_title：Journal of biochemistry

authors： Kurokawa T,Hara S,Teshima T,Ikenaka T

更新日期：1987-09-01 00:00:00

abstract：:Trypsin was used as a probe of F-actin conformation. F-actin is known to be refractory to proteolysis [Jacobson, G.R. and Rosenbusch, J.P. (1976) Proc. Natl. Acad. Sci. U.S. 73, 2742-2746]. However, here it was found that F-actin could also be digested by trypsin to a 33-kDa fragment (like G-actin) when free MgADP is ...

journal_title：Journal of biochemistry

authors： Hozumi T

更新日期：1988-08-01 00:00:00

abstract：:Neutral alpha-glucosidase was partially purified from granular fractions isolated from guinea pig polymorphonuclear leukocytes (PMNL). The native enzyme had a high molecular weight, about 417,000, with a subunit of 43,000. The purified enzyme hydrolysed 4-methylumbelliferyl alpha-glucoside and maltose, but not isomalt...

journal_title：Journal of biochemistry

authors： Imai K,Harada T,Takano Y,Morikawa S,Tanaka A

更新日期：1989-10-01 00:00:00

abstract：:NAD+ reductase of the green photosynthetic bacterium Prosthecochloris aestuarii was isolated and purified by ammonium sulfate fractionation, DEAE-cellulose column chromatography, and Sephadex G-200 gel filtration. This enzyme is an FAD-containing flavoprotein and has absorption maxima at 485 (shoulder0 452, 411, and 3...

journal_title：Journal of biochemistry

authors： Shioi Y,Takamiya K,Nishimura M

更新日期：1976-02-01 00:00:00

abstract：:1. The effect of guanidine hydrochloride (GuHCl) on pig heart lipoamide dehydrogenase [NADH: lipoamide oxidoreductase, EC 1.6.4.3.] was investigated by means of enzymatic activity and optical measurements (CD, absorption, and fluorescence spectra). The activity of the enzyme decreased on increasing the concentration o...

journal_title：Journal of biochemistry

authors： Ogasahara K,Koike K,Hamada M,Hiraoka T

更新日期：1976-04-01 00:00:00

abstract：:Amyloid formation is the hallmark of many diseases. The propensity of a protein to aggregate depends on a number of biological factors like the presence of sulphated polysaccharides termed as glycosaminoglycans (GAGs). Here we assessed whether the polymeric nature of GAGs is responsible for their protein aggregation-p...

journal_title：Journal of biochemistry

authors： Motamedi-Shad N,Monsellier E,Chiti F

更新日期：2009-12-01 00:00:00

abstract：:Nascent peptides on free and bound ribosomes prepared from rat liver were labeled and released with [3H]puromycin, and the amounts of the nascent peptides of two secretory proteins, serum albumin and transferrin, were determined by immunoprecipitation with specific antibodies. An appreciable amount of serum albumin na...

journal_title：Journal of biochemistry

authors： Oda T,Ito A

更新日期：1981-05-01 00:00:00

abstract：:The fluorescence characteristics of product (I), formed during the lipid peroxidation of rat liver phosphatidylcholine liposomes containing glycine, and fluorescent product (II), derived from the reaction of malonaldehyde with glycine, were examined to elucidate the mechanism of fluorescent chromophore formation. Fluo...

journal_title：Journal of biochemistry

authors： Shimasaki H,Hirai N,Ueta N

更新日期：1988-11-01 00:00:00

abstract：:The cellular Src (c-Src) tyrosine kinase is upregulated and believed to play a pivotal role in various human cancers. However, the molecular mechanism underlying c-Src-mediated tumour progression remains elusive. Recent studies have revealed that several microRNAs (miRNAs) function as tumour suppressors by regulating ...

journal_title：Journal of biochemistry

authors： Oneyama C,Okada M

更新日期：2015-06-01 00:00:00

abstract：:An open reading frame of 828 base pairs was found in the CHO1 gene region of Saccharomyces cerevisiae by nucleotide sequencing analysis. Its enhanced expression with the aid of the PHO5 regulatory sequence resulted in an overproduction of a protein with a molecular weight of approximately 30,000, which in turn was con...

journal_title：Journal of biochemistry

authors： Kiyono K,Miura K,Kushima Y,Hikiji T,Fukushima M,Shibuya I,Ohta A

更新日期：1987-11-01 00:00:00