Structure of recombinant human interleukin 5 produced by Chinese hamster ovary cells.

abstract：:Rhizopus delemar (ATCC 34612) lipase was modified by phospholipid (PL)-treatment so as to enhance its activity on lipoprotein. In order to detect change in lipase conformation in the modified state, a preliminary experiment was performed to remove PL from the PL-treated lipase solution which included PL nonessential t...

journal_title：Journal of biochemistry

authors： Iwai M,Shimada Y,Tsujisaka Y

更新日期：1980-08-01 00:00:00

abstract：:Protein-tyrosine kinase p72syk exists abundantly in various hematopoietic cells and is activated by physiological or non-physiological agents. In this study we used vanadate, which is well known as a protein-tyrosine phosphatase inhibitor, to investigate the activity of p72syk and a downstream substrate for p72syk. Tr...

journal_title：Journal of biochemistry

authors： Nagai K,Inazu T,Yamamura H

更新日期：1994-11-01 00:00:00

abstract：:A large COOH-terminal domain of Serratia marcescens serine protease (SSP) is essentially required for the excretion of the mature protease region through the outer membrane in Escherichia coli. For investigation of the possibility of transporting foreign periplasmic proteins by utilizing the function of the COOH-termi...

journal_title：Journal of biochemistry

authors： Shimada K,Ohnishi Y,Horinouchi S,Beppu T

更新日期：1994-08-01 00:00:00

abstract：:A DNA polymerase which was active with unprimed poly(dC) as a template was detected in the DNA polymerase alpha fraction from rat thymoma tissue. The activity was dependent on rGTP and associated with ribonucleotide polymerizing activity. The activity was partially sensitive to aphidicolin and dideoxy GTP and resistan...

journal_title：Journal of biochemistry

authors： Nishizawa M,Tanabe K,Matsukage A,Nakamura H,Yagura T

更新日期：1983-01-01 00:00:00

abstract：:A new p-coumaric acid (4-hydroxycinnamic acid) hydroxylase was detected in mung bean seedlings treated with tentoxin, a fungal toxin, in which polyphenol oxidase that hydroxylates a wide variety of monophenols in vitro was completely eliminated. The enzyme required molecular oxygen and showed a pH optimum of 5.0. The ...

journal_title：Journal of biochemistry

authors： Kojima M,Takeuchi W

更新日期：1989-02-01 00:00:00

abstract：:We identified a protein with a molecular weight of about 44 kDa in an extract of rat regenerating liver. This protein was undetectable in normal, sham-operated, and completely regenerated liver. We also purified this 44-kDa protein from an extract of rat liver remnant after partial hepatectomy. The partial amino acid ...

journal_title：Journal of biochemistry

authors： Tanahashi T,Suzuki M,Itoh N,Mitsui Y

更新日期：1995-08-01 00:00:00

abstract：:Cytokinin binding protein was isolated and purified from tobacco leaves by bioaffinity chromatography on a Sepharose column on which benzyladenine (BA), synthetic cytokinin, had been introduced as an affinity ligand by the cyanogen bromide method. The purified protein bound specifically to cytokinins; its binding was ...

journal_title：Journal of biochemistry

authors： Yoshida K,Takegami T

更新日期：1977-03-01 00:00:00

abstract：:I-protein was mixed with myosin before or after myosin filaments were reconstituted. In both cases, I-protein seemed to accelerate the myosin assembly. The binding of I-protein to myosin filaments was tested by sedimentation experiments and SDS-polyacrylamide gel electrophoresis. In a low ionic strength solution at pH...

journal_title：Journal of biochemistry

authors： Ohashi K,Ishikawa K,Maruyama K

更新日期：1989-07-01 00:00:00

abstract：:Guanidine hydrochloride (GdnHCl)-induced unfolding of bovine spleen galectin-1 (Gal-1) exhibits three-state mechanism involving exclusive, structured tertiary monomer in 0.5 M GdnHCl. Gal-1 has one tryptophan residue (Trp 68) per subunit. Phosphorescence spectra of both Gal-1 dimer and intermediate monomer at 77 K sho...

journal_title：Journal of biochemistry

authors： Mandal P,Molla AR,Mandal DK

更新日期：2013-12-01 00:00:00

abstract：:Mitochondria have two independent protein-import machineries, one in the outer membrane (the Tom system) and the other in the inner membrane (the Tim system). Here, we have characterized the initial steps of precursor import into rat liver mitoplasts. The import reaction was separated into two stages, consisting of pr...

journal_title：Journal of biochemistry

authors： Ishihara N,Komiya T,Sakaguchi M,Ito A,Mihara K

更新日期：1998-10-01 00:00:00

abstract：:We previously reported the utilization of antisense RNA in the development of a novel immune system against RNA coliphage SP proliferation (Hirashima et al. [1986] Proc. Natl. Acad. Sci. U.S. 83, 7726-7730). We attempted to determine the most effective (i.e., those eliciting antiviral activity) sequences for targeting...

journal_title：Journal of biochemistry

authors： Hirashima A,Sawaki S,Mizuno T,Houba-Herin N,Inouye M

更新日期：1989-07-01 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：:Physicochemical and biological properties of recombinant human erythropoietin (rhEPO) were compared with human urinary erythropoietin (uEPO). uEPO and rhEPO were purified to apparent homogeneity from the urine of patients with aplastic anemia and from the conditioned medium of Chinese hamster ovary (CHO) cells transfe...

journal_title：Journal of biochemistry

authors： Imai N,Kawamura A,Higuchi M,Oh-eda M,Orita T,Kawaguchi T,Ochi N

更新日期：1990-03-01 00:00:00

abstract：:The activity of ornithine decarboxylase (ODC) in rabbit costal chondrocytes in culture markedly increased after addition of parathyroid hormone (PTH), reaching a maximum 4 to 5 h after PTH addition. The effect of PTH was dose-dependent both in the presence and absence of fetal calf serum. Addition of cycloheximide or ...

journal_title：Journal of biochemistry

authors： Takigawa M,Watanabe R,Ishida H,Asada A,Suzuki F

更新日期：1979-01-01 00:00:00

abstract：:The immunological properties of gamma-glutamyltransferases (gamma-GTs) from human serum, liver and tonsil were studied by using a monospecific antibody to human kidney gamma-GT for the purpose of elucidating their isozymic relationships. gamma-GTs partially purified from liver and tonsil were indistinguishable in this...

journal_title：Journal of biochemistry

authors： Tsuchida S,Imai F,Sato K

更新日期：1981-03-01 00:00:00

abstract：:20S proteasomes from higher eukaryotes have immunological functions rather than those from archibacteria or yeast. To clarify the mechanism of the sorting and production of antigen-presenting peptides, it is important and worthwhile to determine the structure of mammalian proteasomes using a third generation synchrotr...

journal_title：Journal of biochemistry

authors： Tomisugi Y,Unno M,Mizushima T,Morimoto Y,Tanahashi N,Tanaka K,Tsukihara T,Yasuoka N

更新日期：2000-06-01 00:00:00

abstract：:Steady-state kinetic analyses suggest that Pseudomonas ochraceae 4-carboxy-2-hydroxymuconate-6-semialdehyde dehydrogenase (4-carboxy-2-hydroxy-cis,cis-muconate-6-semialdehyde: NADP+ oxidoreductase [EC 1.2.1.45]) functions through an ordered BiBi mechanism. The enzyme binds one NADP+ molecule per subunit with a Kd of 4...

journal_title：Journal of biochemistry

authors： Maruyama K

更新日期：1988-04-01 00:00:00

abstract：:A method is described for the fractionation of reduced and alkylated proteins of fowl feather. Fowl feather extracts were chromatographed on a Sephadex G-75 column in 4 M urea containing 1 M NaCl and separated into four fractions, GF-1, 2, 3, and 4. The elution patterns were used to compare the components of different...

journal_title：Journal of biochemistry

authors： Akahane K,Murozono S,Murayama K

更新日期：1977-01-01 00:00:00

abstract：:Despite the usefulness of the patch-clamp technique, its application to ion pumps and transporters in biomembranes is limited. We developed a novel method for determining the activity of a proton-pumping pyrophosphatase (H(+)-PPase) made of a single protein. We heterologously highly expressed the enzyme in Saccharomyc...

journal_title：Journal of biochemistry

authors： Nakanishi Y,Yabe I,Maeshima M

更新日期：2003-10-01 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：:Light harvesting (LH) bacteriochlorophyll (Bchl) protein complexes were isolated from chromatophores of Chromatium vinosum, by the combination of detergent solubilization, sodium dodecylsulfate (SDS) polyacrylamide gel electrophoresis (PAGE) and hydroxyapatite chromatography. Addition of the absorption spectra of thes...

journal_title：Journal of biochemistry

authors： Hayashi H,Morita S

更新日期：1980-11-01 00:00:00

abstract：:Four kinds of active sites of bacterial fatty acid synthetase were mapped on distinct regions within a subunit. Active sites were specifically labeled with radioactive substrates and active-site-directed inhibitors. Labeled enzymes were cleaved with proteases, and the fragments thus produced were identified with respe...

journal_title：Journal of biochemistry

authors： Morishima N,Ikai A

更新日期：1987-12-01 00:00:00

abstract：:Genetic engineering strategies were applied to synthesize silk-like materials, [(GVPGV)(2)GG(GAGAGS)(3)AS](n). The primary structure of these materials represents the repetitive crystalline region of Bombyx mori silk fibroins incorporated with an elastic motif selected from animal elastin. The oligonucleotides were de...

journal_title：Journal of biochemistry

authors： Yao J,Asakura T

更新日期：2003-01-01 00:00:00

abstract：:The binding of SopA to the promoter region of its own gene, in which four copies of SopA's recognition sequence, 5'-CTTTGC-3', are arrayed asymmetrically, was examined in vitro. Titration using electrophoretic mobility shift assay showed that the stoichiometry of SopA protomers to the promoter-region DNA is 4 and that...

journal_title：Journal of biochemistry

authors： Komai M,Umino M,Hanai R

更新日期：2011-04-01 00:00:00

abstract：:Acridine orange was found to accumulate in pure lysosomal particles (tritosomes) in vitro, and the quenching of its fluorescence correlated well with the delta pH (inside acid) across the lysosomal membrane. Use of this dye showed that Mg-ATP caused lysosomal acidification. This acidification was sensitive to N,N'-dic...

journal_title：Journal of biochemistry

authors： Moriyama Y,Takano T,Ohkuma S

更新日期：1982-10-01 00:00:00

abstract：:It was found that the absorption spectrum of beta-naphthyl triphosphate is different from that of beta-naphthyl diphosphate in the range 290-335 nm. Thus, beta-naphthyl triphosphate hydrolysis by heavy meromyosin can be recorded continuously as a function of time by means of a spectrophotometer. By analyzing the time ...

journal_title：Journal of biochemistry

authors： Kuwajima T,Kagawa H,Asai H

更新日期：1975-11-01 00:00:00

abstract：:To improve our understanding of the physiological roles of parvalbumins, PA-1 (pI 4.78) and PA-2 (pI 4.97) parvalbumins were prepared from bullfrog skeletal muscle and their calcium binding properties were examined in a medium of constant ionic strength (I = 0.106, pH 6.80, at 20 degrees C) containing various concentr...

journal_title：Journal of biochemistry

authors： Ogawa Y,Tanokura M

更新日期：1986-01-01 00:00:00

abstract：:The Tetrahymena group I intron ribozyme folds into a complex three dimensional structure for performing the self-splicing reaction. Catalysis depends on its core structure comprising two helical domains, P4-P6 and P3-P7. The two domains are joined by three sets of conserved base-triple(s) and other tertiary interactio...

journal_title：Journal of biochemistry

authors： Ohki Y,Ikawa Y,Shiraishi H,Inoue T

更新日期：2002-11-01 00:00:00

abstract：:An H2O2-generating fraction was prepared from porcine thyroid homogenate by differential and Percoll-density gradient centrifugations. The fraction consisted of mainly fragmented plasma membranes as judged by marker enzyme analysis and electron microscopy. The fraction produced H2O2 by reaction with NADPH only in the ...

journal_title：Journal of biochemistry

authors： Nakamura Y,Ogihara S,Ohtaki S

更新日期：1987-11-01 00:00:00

abstract：:The minimal structural unit of cytochrome c oxidase purified from Thiobacillus novellus was composed of one molecule each of two subunits with molecular masses of 32 and 23 kDa, respectively, and the unit had one molecule of heme a and one atom of copper. In the presence of n-octyl-beta-D-thioglucoside, the oxidase ex...

journal_title：Journal of biochemistry

authors： Shoji K,Yamazaki T,Nagano T,Fukumori Y,Yamanaka T

更新日期：1992-01-01 00:00:00