Characterization of a human placental fructose-6-phosphate, 2-kinase/fructose-2,6-bisphosphatase.

abstract：:"DNase binding protein" of 43K daltons as determined by SDS-polyacrylamide gel electrophoresis, was purified from the 0.1 M KCl-soluble (non-structural) fraction of chicken skeletal muscle. The protein was distinct from actin in amino acid composition and physicochemical properties. "DNase binding protein" was also is...

journal_title：Journal of biochemistry

authors： Kohama K,Holtzer H

更新日期：1981-02-01 00:00:00

abstract：:Amyloid beta peptide (Abeta) is a physiological peptide that is constantly catabolized in the brain. We previously demonstrated that an endopeptidase sensitive to phosphoramidon and thiorphan conducts the initial rate-limiting proteolysis of Abeta in vivo, but the exact molecular identity of the peptidase(s) has remai...

journal_title：Journal of biochemistry

authors： Takaki Y,Iwata N,Tsubuki S,Taniguchi S,Toyoshima S,Lu B,Gerard NP,Gerard C,Lee HJ,Shirotani K,Saido TC

更新日期：2000-12-01 00:00:00

abstract：:We previously showed that the 9 S estrogen receptor (ER) could be reconstituted from purified ER and purified heat shock protein 90 (hsp 90). So, we investigated the role of hsp 90 in the binding of purified ER to an estrogen responsive element (ERE) by using the reconstitution system. ER purified from calf uterus sho...

journal_title：Journal of biochemistry

authors： Inano K,Curtis SW,Korach KS,Omata S,Horigome T

更新日期：1994-10-01 00:00:00

abstract：:Tryptophan residues in ribonuclease from a Rhizopus sp. (RNase Rh) were modified by NBS, H2O2-dioxane, o-nitrophenylsulfenyl chloride (NPS-Cl) and the relation between the extent of modification and enzymatic activity was studied in each case. By extrapolation of the modified tryptophan residue-enzymatic activity curv...

journal_title：Journal of biochemistry

authors： Sanda A,Irie M

更新日期：1980-04-01 00:00:00

abstract：:Site-directed mutagenesis studies of recombinant Trimeresurus flavoviridis venom gland phospholipase A2 (PLA2) showed that the Asn residue at position 67 takes part in recognition of the substrate 2-arachidonoyl sn-glycero-3-phosphocholine in both monomeric and micellar states. The amount of arachidonate released from...

journal_title：Journal of biochemistry

authors： Ogawa T,Shimohigashi Y,Ohno M

更新日期：1997-11-01 00:00:00

abstract：:Murine interleukin-2 (MIL-2) cDNA deleted of 11 repeats of a CAG sequence, and that encoded from 33Met to 149Gln were inserted into an expression vector carrying an Escherichia coli tryptophan promoter and were expressed in E. coli, respectively. Recombinant MIL-2 deleted of 11 glutamine repeats (MIL-2(-Gln] supported...

journal_title：Journal of biochemistry

authors： Kashima N,Matsui H,Yamasaki S,Kondo N,Hamuro J

更新日期：1987-10-01 00:00:00

abstract：:When the competitive inhibitor benzeneboronic acid (BBA) forms a complex with alpha-chymotrypsin [EC 3.4.21.1] protons are released in the acidic pH region. The proton release can be measured by a difference potentiometric technique. The proton release is also observed in chymotrypsinogen A but not in TRCK-, DIP-, and...

journal_title：Journal of biochemistry

authors： Hanai K

更新日期：1976-01-01 00:00:00

abstract：:To determine the relationship between the induction patterns of three components of beta-glucosidase of Pyricularia oryzae and carbon sources in the growth medium, various culture conditions were examined. Avicel, hydroxyethylcellulose and methyl-beta-D-glucoside as the carbon source induced both beta-glucosidase comp...

journal_title：Journal of biochemistry

authors： Hirayama T,Nagayama H,Matsuda K

更新日期：1979-02-01 00:00:00

abstract：:Studies were carried out on the delta 5-desaturation reaction in ergosterol biosynthesis with a particulate fraction of cell-free extract of yeast. A reduced pyridine nucleotide coenzyme and molecular oxygen were required for the reaction. It was shown that the enzyme activity is located in a fraction corresponding to...

journal_title：Journal of biochemistry

authors： Osumi T,Nishino T,Katsuki H

更新日期：1979-03-01 00:00:00

abstract：:In this study, we demonstrated that glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is a phosphatidylserine (PS)-binding protein and localized the putative PS-binding site involved in the membrane fusion induced by this enzyme. In an attempt to identify the PS-binding proteins, we raised polyclonal antibodies against...

journal_title：Journal of biochemistry

authors： Kaneda M,Takeuchi K,Inoue K,Umeda M

更新日期：1997-12-01 00:00:00

abstract：:Incubation of Sarcophaga fat bodies in buffered insect saline resulted in simultaneous activation of multiple defense protein genes [Sugiyama, H. and Natori, S. (1991) Eur. J. Biochem. 200, 495-500]. In this study, we demonstrated that the addition of both adenosine and homocysteine thiolactone to this medium abolishe...

journal_title：Journal of biochemistry

authors： Sugiyama H,Natori S

更新日期：1996-02-01 00:00:00

abstract：:A 45-60 kDa Gal/GalNAc-specific macrophage lectin was found to participate in the interaction between tumor cells and tumoricidal macrophages activated by an antitumor streptococcal preparation, OK-432, and in the tumoricidal activity of the activated macrophages. The binding between OK-432-elicited activated macropha...

journal_title：Journal of biochemistry

authors： Oda S,Sato M,Toyoshima S,Osawa T

更新日期：1989-06-01 00:00:00

abstract：:It was previously found that rabbit serum contains a growth-inhibitory substance for a tumorigenic rat liver cell line RSV-BRL. In the present study, the growth inhibitor was purified from normal rabbit serum to show a homogeneous protein band with a molecular weight (Mr) of 56 k on SDS-polyacrylamide gel electrophore...

journal_title：Journal of biochemistry

authors： Kimura T,Miyazaki K,Mashima K,Yamashita J,Horio T,Kakuno T

更新日期：1991-09-01 00:00:00

abstract：:The Escherichia coli cytochrome bo is a heme-copper terminal ubiquinol oxidase, and functions as a redox-driven proton pump. We applied pulse radiolysis technique for studying the one-electron reduction processes in the Cu(B)-deficient mutant, His333Ala. We found that the Cu(B) deficiency suppressed the heme b-to-heme...

journal_title：Journal of biochemistry

authors： Kobayashi K,Tagawa S,Mogi T

更新日期：2009-05-01 00:00:00

abstract：:The genomic organization of the gene encoding the human adipocyte-derived leucine aminopeptidase (A-LAP) has been determined. The gene is composed of 20 exons and 19 introns and spans approximately 47 kilobases of chromosome 5q15. The gluzincin aminopeptidase motif, the HEXXH(X)(18)E zinc-binding motif essential for e...

journal_title：Journal of biochemistry

authors： Hattori A,Matsumoto K,Mizutani S,Tsujimoto M

更新日期：2001-08-01 00:00:00

abstract：:Diacylglycerol acyltransferase (DGAT) was examined as a key enzyme for triacylglycerol (TG) accumulation of an oleaginous fungus, Mortierella ramanniana var. angulispora. Subcellular fractionation of the fungus showed that DGAT activity was highest in the lipid body fraction, which occupied 77% of the recovered DGAT a...

journal_title：Journal of biochemistry

authors： Kamisaka Y,Nakahara T

更新日期：1994-12-01 00:00:00

abstract：:In order to identify the b-type cytochrome involved in the nitrate reduction in a photodenitrifier, Rhodopseudomonas sphaeroides forma sp. denitrificans, the b-type cytochromes in the spheroplast membranes were characterized. Difference spectra at 77K of spheroplast membranes indicated the presence of two b-type cytoc...

journal_title：Journal of biochemistry

authors： Yokota S,Urata K,Satoh T

更新日期：1984-06-01 00:00:00

abstract：:Chemical modifications by photooxidation in the presence of rose bengal (RB) and with tetranitromethane (TNM) were carried out to elucidate the amino acid residues involved in the active site of inorganic pyrophosphatase (pyrophosphate phosphohydrolase) [EC 3.6.1.1] from Escherichia coli Q13. The photooxidation caused...

journal_title：Journal of biochemistry

authors： Samejima T,Tamagawa Y,Kondo Y,Hachimori A,Kaji H,Takeda A,Shiroya Y

更新日期：1988-05-01 00:00:00

abstract：:Bovine dopamine beta-monooxygenase is a tetramer consisting of two disulfide-linked dimers. To examine the role(s) of the intersubunit disulfide bonds in the protein structure and activity, the enzyme was treated with DTT at pH 7.5 and 25 degrees C under nondenaturing conditions. A 15-min incubation with 0.5 mM DTT se...

journal_title：Journal of biochemistry

authors： Ishida T,Narita M,Nozaki M,Horiike K

更新日期：1996-08-01 00:00:00

abstract：:1. The endogenous phosphorylation of mouse brain microsomes was studied using the technique of acrylamide gel electrophoresis in the presence of sodium dodecyl sulfate (SDS). 2. It was found that specific proteins and lipids in brain microsomes were phosphorylated by the terminal phosphate of ATP under appropriate con...

journal_title：Journal of biochemistry

authors： Satomi D

更新日期：1977-12-01 00:00:00

abstract：:Myosin was isolated from leucocytes in horse arterial blood by the same procedures used for the isolation of myosin from skeletal muscle. The Ca2+-, EDTA-, and Mg2+-ATPase [EC 3.6.1.3] activities of the protein was 0.148, 0.147, and 0.001 mumoles/min/mg, respectively, in 0.5 M KCl at pH 7.0 and 25 degrees. The Ca2+-AT...

journal_title：Journal of biochemistry

authors： Takeuchi K,Shibata N,Senda N

更新日期：1975-07-01 00:00:00

abstract：:Poly(A) polymerase [EC 2.7.7.19] was highly purified from beef liver nuclei by the use of column chromatographies on heparin-Sepharose 4B and Blue Dextran-Sepharose 4B. The purified enzyme showed one major protein band of the molecular weight of 57,000 in SDS polyacrylamide gel electrophoresis, which agreed with the m...

journal_title：Journal of biochemistry

authors： Ohyama Y,Fukami H,Ohta T

更新日期：1980-08-01 00:00:00

abstract：:The location and state of an essential histidyl residue in a milk-clotting acid proteases, Mucor rennin, were investigated by NMR spectroscopy. Assignment of the C2H resonance peak of the essential histidyl residue was possible by comparison of the NMR spectrum of the native enzyme with that of the photo-oxidized enzy...

journal_title：Journal of biochemistry

authors： Etoh Y,Shoun H,Ogino T,Fujiwara S,Arima K,Beppu T

更新日期：1982-06-01 00:00:00

abstract：:Monkey (Macaca fuscata) mononuclear leukocytes were stimulated to produce thromboplastin (tissue factor) upon exposure to lipopolysaccharide, LPS. The stimulation was dose-related in the concentration range of 10(-5) to 10(-1) micrograms/ml of LPS. Lipid A portion of the LPS molecule was essential to induce the leukoc...

journal_title：Journal of biochemistry

authors： Nakamura S,Gotoh S,Takenaka O,Takahashi K

更新日期：1985-06-01 00:00:00

abstract：:Protein S, a vitamin K-dependent plasma protein having Gla-residues, increases the rate of inactivation of Factor Va by activated protein C by enhancing the binding of activated protein C to phospholipid [Walker, J.F. (1981) J. Biol. Chem. 256, 11128-11131]. The present study aimed at elucidating the effect of thrombi...

journal_title：Journal of biochemistry

authors： Suzuki K,Nishioka J,Hashimoto S

更新日期：1983-09-01 00:00:00

abstract：:The circular dichroism (CD) and magnetic circular dichroism (MCD) spectra of horse heart metmyoglobin and the following derivatives were measured in the Soret and near ultraviolet regions: metmyoglobin and its peroxide compound, and hydroxide, cyanide, azide, and fluoride derivatives. The heme-related CD bands in the ...

journal_title：Journal of biochemistry

authors： Kajiyoshi M,Anan FK

更新日期：1975-11-01 00:00:00

abstract：:By employing EPR spectrometry with the aid of a spin-trapping agent, 5,5-dimethyl-1-pyrroline-1-oxide (DMPO), the generation of superoxide anion and hydroxyl radical was reevaluated during the respiratory burst of porcine and human neutrophils. Properly prepared resting neutrophils did not generate any spin-trapped ra...

journal_title：Journal of biochemistry

authors： Ueno I,Kohno M,Mitsuta K,Mizuta Y,Kanegasaki S

更新日期：1989-06-01 00:00:00

abstract：:Autoactivation of the proenzyme form of a subunit of the first component (C1r) was performed in the presence and absence of diisopropyl fluorophosphate (DFP). The time-course of autoactivation of zymogen C1r followed a sigmoidal curve and was accelerated by addition of the enzyme C1r and by increasing the concentratio...

journal_title：Journal of biochemistry

authors： Kasahara Y,Odai H,Takahashi K,Nagasawa S,Koyama J

更新日期：1985-01-01 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：:Kinetic studies of the two beta-glucosidase isozymes, GB-1 and GB-2, which were from the culture filtrate of a phytopathogenic fungus Pyricularia oryzae, revaled that the latter isozyme was an allosteric protein with two substrate binding sites. The homotropic effects of o- and m-nitrophenyl-beta-D-glucosides on GB-2 ...

journal_title：Journal of biochemistry

authors： Hirayama T,Nagayama H,Matsuda K

更新日期：1980-04-01 00:00:00