Activation of matriptase zymogen.

abstract：:We describe cross-linking conditions for myosin subfragment-1 and actin with 1-ethyl-3-[3-(dimethylamino)propyl]carbodiimide, with which the compositions of cross-linked species can be altered. The specific Mg-ATPase activity of cross-linked subfragment-1 in these preparations was almost the same in spite of the diffe...

journal_title：Journal of biochemistry

authors： Yamamoto K

更新日期：1993-12-01 00:00:00

abstract：:Isolation and characterization of a fibrous protein component which might be associated with contractile ring of a dividing Tetrahymena cell were attempted by making use of coprecipitation of the protein with rabbit skeletal muscle myosin. The protein was purified to homogeneity by ammonium sulfate fractionation betwe...

journal_title：Journal of biochemistry

authors： Numata O,Yasuda T,Hirabayashi T,Watanabe Y

更新日期：1980-11-01 00:00:00

abstract：:The multienzyme complex for fatty acid oxidation was purified from Pseudomonas fragi, which was grown on oleic acid as the sole carbon source. This complex exhibited enoyl-CoA hydratase [EC 4.2.1.17], 3-hydroxyacyl-CoA dehydrogenase [EC 1.1.1.35], 3-oxoacyl-CoA thiolase [EC 2.3.1.16], cis-3,trans-2-enoyl-CoA isomerase...

journal_title：Journal of biochemistry

authors： Imamura S,Ueda S,Mizugaki M,Kawaguchi A

更新日期：1990-02-01 00:00:00

abstract：:The three-dimensional structure of rat-liver acyl-CoA oxidase-II (ACO-II) in a complex with a C12-fatty acid was solved by the molecular replacement method based on the uncomplexed ACO-II structure. The crystalline form of the complex was obtained by cocrystallization of ACO-II with dodecanoyl-CoA. The crystalline com...

journal_title：Journal of biochemistry

authors： Tokuoka K,Nakajima Y,Hirotsu K,Miyahara I,Nishina Y,Shiga K,Tamaoki H,Setoyama C,Tojo H,Miura R

更新日期：2006-04-01 00:00:00

abstract：:The nucleotide sequence at the intron-exon junction in the human beta-globin gene was analyzed by the quantification method (categorical discriminant analysis) proposed previously. Using the sample score of a 16-nucleotide sequence at a 3'-splice junction, we studied to what extent such a sequence contains the 3'-spli...

journal_title：Journal of biochemistry

authors： Iida Y

更新日期：1990-12-01 00:00:00

abstract：:The role of mannan chains in the formation and secretion of active acid phosphatase of yeast (Saccharomyces cerevisiae), a repressible cell surface mannoprotein, was studied in yeast protoplast systems by using tunicamycin at various temperatures. At 30 degrees C, tunicamycin-treated protoplasts did not produce active...

journal_title：Journal of biochemistry

authors： Mizunaga T,Izawa M,Ikeda K,Maruyama Y

更新日期：1988-02-01 00:00:00

abstract：:Phospholipid composition of biological membranes differs between the cytoplasmic and exoplasmic leaflets. The type 4 P-type ATPases are phospholipid flippases that generate such membrane phospholipid asymmetry. Drs2p, a flippase in budding yeast, is involved in the endocytic recycling pathway. Drs2p is implicated in c...

journal_title：Journal of biochemistry

authors： Hanamatsu H,Fujimura-Kamada K,Yamamoto T,Furuta N,Tanaka K

更新日期：2014-01-01 00:00:00

abstract：:Six major acidic glycosphingolipids were isolated from human amnion using DEAE Sephadex A-25 and silica beads column chromatography. The structures of these glycosphingolipids were determined by methylation analysis, TLC immunostaining and/or negative ion FAB-MS, and were concluded to be II3 alpha NeuAcLacCer(GM3), IV...

journal_title：Journal of biochemistry

authors： Asano K,Suzuki M,Handa S,Oshima M

更新日期：1991-01-01 00:00:00

abstract：:Temperature and solvent effects on reaction center structures were examined in two thermophilic photosynthetic bacteria, Chloroflexus aurantiacus and Chromatium tepidum, in order to gain insight into the interactions among the reaction center proteins and pigment systems. Thermal stability of the reaction centers was ...

journal_title：Journal of biochemistry

authors： Nozawa T,Madigan MT

更新日期：1991-10-01 00:00:00

abstract：:Aggregatibacter actinomycetemcomitans is an oral pathogen for aggressive periodontitis, and encodes a triheme c-containing membrane-bound enzyme, quinol peroxidase (QPO) that catalyzes peroxidase activity using quinol in the respiratory chain. In the previous work, we have characterized recombinant QPO purified from t...

journal_title：Journal of biochemistry

authors： Abe T,Kawarai T,Takahashi Y,Konishi K

更新日期：2017-06-01 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：:Mitochondrial processing peptidase (MPP), a metalloendopeptidase consisting of alpha and beta subunits, specifically recognizes a large variety of mitochondrial precursor proteins and cleaves off the N-terminal basic matrix targeting signals (MTS). Basic residues in MTS and acidic sites in MPP are required for effecti...

journal_title：Journal of biochemistry

authors： Kitada S,Ito A

更新日期：2001-01-01 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：: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：:Hyperthermophilic bacteria Thermotoga maritima and Thermotoga hypogea produce ethanol as a metabolic end product, which is resulted from acetaldehyde reduction catalysed by an alcohol dehydrogenase (ADH). However, the enzyme that is involved in the production of acetaldehyde from pyruvate is not well characterized. An...

journal_title：Journal of biochemistry

authors： Eram MS,Wong A,Oduaran E,Ma K

更新日期：2015-12-01 00:00:00

abstract：:Kinetic studies of the reduction of plastocyanin from spinach chloroplasts by ascorbate were carried out using a stopped flow apparatus. The reduction of spinach plastocyanin by ascorbate followed first-order kinetics in the reductant with a rate constant k = 415 M-1.S-1 [20 degrees C, 0.1 M NaCl, pH 8.0 (10 mM Tris-H...

journal_title：Journal of biochemistry

authors： Takabe T,Niwa S,Ishikawa H,Miyakawa M

更新日期：1980-01-01 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：:We have reported that Erbin expression was down-regulated in the Jurkat leukaemia T lymphocytes treated with the recombinant soluble tumour necrosis factor-related apoptosis-inducing ligand (rsTRAIL). Herein, we studied the expression and the regulation of Erbin and its binding partner, ErbB2, in the MCF-7 breast canc...

journal_title：Journal of biochemistry

authors： Liu N,Zhang J,Zhang J,Liu S,Liu Y,Zheng D

更新日期：2008-06-01 00:00:00

abstract：:ATPase of 14S dynein, extracted from spermatozoa of the sea urchin, Hemicentrotus pulcherrimus, and partially purified by sucrose density gradient centrifugation, was inhibited non-competitively by palmitoyl CoA at concentrations higher than 20 microns, and was stimulated at concentrations between 2 microns and 10 mic...

journal_title：Journal of biochemistry

authors： Fujiwara A,Yokokawa M,Hino A,Yasumasu I

更新日期：1982-08-01 00:00:00

abstract：:We purified an antimicrobial protein of 76 residues, denoted bovine antimicrobial protein-1 (BAMP-1), from fetal calf serum using hydrophobic chromatography, gel filtration, and reverse-phase high-performance liquid chromatography. The amino acid sequence of BAMP-1 was similar to that of human apolipoprotein A-II (apo...

journal_title：Journal of biochemistry

authors： Motizuki M,Itoh T,Yamada M,Shimamura S,Tsurugi K

更新日期：1998-04-01 00:00:00

abstract：:The transcription and replication of influenza RNA can be studied in vitro by the reconstitution of functional ribonucleoprotein (RNP) complex from viral core proteins including the RNA polymerase (complex of three P protein subunits) and nucleoprotein (NP), and model templates. Here, two different core protein prepar...

journal_title：Journal of biochemistry

authors： Seong BL,Kobayashi M,Nagata K,Brownlee GG,Ishihama A

更新日期：1992-04-01 00:00:00

abstract：:Lactosylceramide and paragloboside were synthesized from their precursor glycolipids and UDP-galactose by lactose synthase A protein [UDP-Gal : GlcNAc beta-4-galactosyltransferase, EC 2.4.1.22] purified to homogeneity from human plasma. The partially purified human liver enzyme and an extract from human lymphoblastoid...

journal_title：Journal of biochemistry

authors： Yamato K,Yoshida A

更新日期：1982-10-01 00:00:00

abstract：:3-O-Methyl hexosamine was found for the first time and characterized as one of the sugar components of oyster glycolipid. The alditol acetate of this sugar was identified as 3-O-methyl-N-acetylgalactosaminitol acetate by comparing its retention time on gas chromatography and mass spectrum with those of the authentic s...

journal_title：Journal of biochemistry

authors： Matsubara T,Hayashi A

更新日期：1978-04-01 00:00:00

abstract：:We studied the regulation of lipid body biogenesis in the oleaginous fungus Mortierella ramanniana var. angulispora by investigating culture conditions to modulate lipid body size, which we found was affected by the carbon-to-nitrogen ratio (C/N ratio) in the culture medium. Increasing the nitrogen source or decreasin...

journal_title：Journal of biochemistry

authors： Kamisaka Y,Noda N,Yamaoka M

更新日期：2004-02-01 00:00:00

abstract：:In order to obtain information on the nature of the amino acid residues involved in the activity of ribonuclease U1 [EC 3.1.4.8], various chemical modifications of the enzyme were carried out. RNase U1 was inactivated by reaction with iodoacetate at pH 5.5 with concomitant incorporation of 1 carboxymethyl group per mo...

journal_title：Journal of biochemistry

authors： Hashimoto J,Takahashi K

更新日期：1977-04-01 00:00:00

abstract：:We analyzed lipids extracted from human hepatoma HepG2 cells using a high performance liquid chromatograph equipped with a reversed phase column and found a compound with a mass spectrum showing certain diagnostic ion fragments of 1-methoxy-5-polyprenyl-phenol, a known intermediate of ubiquinone biosynthesis. Universa...

journal_title：Journal of biochemistry

authors： Kang DC,Takeshige K,Minakami S

更新日期：1990-12-01 00:00:00

abstract：:The alkalophile NADH dehydrogenase (NADH: 2,6-dichlorophenolindophenol oxidoreductase) [EC 1.6.99.3] consists of two identical subunits of 65 kDa, and each subunit contains the catalytic and liposome-binding regions. On treatment with trypsin, the polypeptide exhibiting the liposome-binding property in one of the subu...

journal_title：Journal of biochemistry

authors： Xu XM,Kanaya S,Koyama N,Sekiguchi T,Nosoh Y,Ohashi S,Tsuda K

更新日期：1989-04-01 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 cDNAs encoding the precursors of cystatin SN, cystatin S, and two mutants of cystatin S (-18R-->W; 117R-->W) were expressed in Escherichia coli JM109 with isopropyl-beta-D-thio-galactoside (IPTG) induction. Premature cystatin S with the original signal [-20MARPLCTLLLLMATLAGALA] was processed and a large amount of ...

journal_title：Journal of biochemistry

authors： Saitoh E,Isemura S

更新日期：1994-08-01 00:00:00

abstract：:1) A method is described for the separation and fractionation of nonhistone chromosomal proteins from salt-urea dissociated calf thymus chromatin. After precipitating DNA in the dissociated chromatin solution with LaCl3, the chromosomal proteins in the supernatant were fractionated by SP-Sephadex C-25 column chromatog...

journal_title：Journal of biochemistry

authors： Yoshida M,Kikuchi A,Shimura K

更新日期：1975-05-01 00:00:00