Identification of amino acid residues responsible for the changes of absorption and fluorescence spectra on the binding of subtilisin BPN' and Streptomyces subtilisin inhibitor.

abstract：:We have studied the regio- and stereoselectivity of ring-hydroxylation and N-desisopropylation of S(-)- and R(+)-propranolol, using dog liver microsomes and the expressed dog CYP2D15 in insect cells. In dog liver microsomes, 4-hydroxylation was the preferred pathway in S(-)-propranolol oxidation, while N-desisopropyla...

journal_title：Journal of biochemistry

authors： Tasaki T,Iwata H,Kazusaka A,Fujita S

更新日期：1998-04-01 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 light protein components of silk fibroin were analyzed by Western blotting using polyclonal antibodies against two synthetic peptides that are segment of the light (L-) chain [Yamaguchi et al. (1989) J. Mol. Biol. 210, 127-139] and P25 [Chevillard et al. (1986) Sericologia 26, 435-449], respectively, and against t...

journal_title：Journal of biochemistry

authors： Tanaka K,Mori K,Mizuno S

更新日期：1993-07-01 00:00:00

abstract：:1. Z-line constituents contributing to the formation of the contraction bands in chicken myofibrils were investigated by using the rabbit calcium-activated factor (CAF). 2. CAF digestion hampered the formation of the contraction bands and increased the amount of soluble proteins which are apparently derived from the Z...

journal_title：Journal of biochemistry

authors： Muguruma M,Muguruma Y,Fukazawa T

更新日期：1980-07-01 00:00:00

abstract：:MF-18, one of the monoclonal antibodies generated to chicken myosin, cross-reacted with rabbit skeletal myosin subfragment-1 (S1). Utilizing an improved procedure of immuno-blotting, a decrease in reactivity of MF-18 to S1 by trinitrophenylation was observed. This indicates that the reactive lysyl residue is very clos...

journal_title：Journal of biochemistry

authors： Katayama E,Wakabayashi T,Reinach F,Masaki T,Fischman DA

更新日期：1984-03-01 00:00:00

abstract：:In porcine aortic smooth muscle cells, neuropeptide Y (NPY) stimulates mobilization of CA(2+) from intracellular store sites via Y1 receptors. However, it has been debated whether or not Ca(2+) mobilization by Y1 receptors depends on the generation of inositol 1,4,5-trisphosphate [Ins(1,4,5)P3] following activation of...

journal_title：Journal of biochemistry

authors： Shigeri Y,Nakajima S,Fujimoto M

更新日期：1995-09-01 00:00:00

abstract：:The flagellar motor is composed of the stator and the rotor, and the interaction between the stator and the rotor at the cytoplasmic region is believed to produce mechanical force for the rotation of flagella. The periplasmic region of the stator has been proposed to play an important role in assembly around and incor...

journal_title：Journal of biochemistry

authors： Hizukuri Y,Kojima S,Homma M

更新日期：2010-09-01 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：:The effect of extracellular type-II phospholipase A2 (PLA2) on prostaglandin (PG) synthesis has been studied using rat liver-derived BRL-3A cells. The addition of type-II PLA2 to the medium of BRL-3A cells resulted in a marked decrease in the enzymatic activity in the medium. An immunochemical study involving an anti-...

journal_title：Journal of biochemistry

authors： Suga H,Murakami M,Kudo I,Inoue K

更新日期：1995-11-01 00:00:00

abstract：:Ornithine transcarbamylase [EC 2.1.3.3] has been purified from chick kidney to homogeneity. The molecular weight is 110,000 as determined by gel filtration. Sodium dodecylsulfate polyacrylamide gel electrophoresis of the enzyme showed that the enzyme exists as a trimer of identical subunits of 36,000 daltons like othe...

journal_title：Journal of biochemistry

authors： Tsuji S

更新日期：1983-10-01 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：:The epitopes of about 100 monoclonal antibodies against human type II DNA topoisomerase were mapped along the enzyme molecules. Although they were randomly and independently established, epitope sites were unevenly distributed the toward N-terminal or C-terminal region. We suggest that the central catalytic domain is ...

journal_title：Journal of biochemistry

authors： Sakaguchi A,Miyaike M,Kuroda K,Nozaki N,Tanaka M,Hibino M,Fujii Y,Kato S,Kikuchi A

更新日期：2002-09-01 00:00:00

abstract：:Proteolytic trimming of isoprenylated proteins, including Ras, at the C-terminal CAAX motifs is a key event in their activation. However, the protease responsible for the proteolysis has not been well characterized yet. In this study, we established a novel assay method for the enzyme using a fluorescent substrate, da...

journal_title：Journal of biochemistry

authors： Nishii W,Muramatsu T,Kuchino Y,Yokoyama S,Takahashi K

更新日期：1997-08-01 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：: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：:A proton nuclear magnetic resonance (NMR) study is reported of the molecular structural basis of antigen-antibody interactions. An immunologically reactive proteolytic fragment corresponding to one of the antigenic regions on hen egg-white lysozyme (HEL) was used in combination with a monoclonal antibody that recogniz...

journal_title：Journal of biochemistry

authors： Ito W,Nishimura M,Sakato N,Fujio H,Arata Y

更新日期：1987-09-01 00:00:00

abstract：:Previously, we reported that proteasomes (large multi-protease complexes) are present in a latent state in a variety of eukaryotic cells, and can be activated by treatment with various compounds such as sodium dodecyl sulfate (SDS) or poly-lysine (Tanaka et al. (1988) J. Biol. Chem. 263, 16209-16217). In the present s...

journal_title：Journal of biochemistry

authors： Tanaka K,Yoshimura T,Ichihara A

更新日期：1989-09-01 00:00:00

abstract：:A small nuclear protein, C1D, has roles in various cellular processes, transcription regulation, genome stability surveillance, DNA repair and RNA processing, all of which are required to maintain the host life cycles. In the previous report, C1D directly interacts with XPB, a component of the nucleotide excision repa...

journal_title：Journal of biochemistry

authors： Tomita T,Ieguchi K,Takita M,Tsukahara F,Yamada M,Egly JM,Maru Y

更新日期：2018-12-01 00:00:00

abstract：:We investigated the significance of the plasma membrane lipid composition in exocytosis in an in vitro interaction system using an intact secretory granular fraction (SG) isolated from the rat parotid gland. When various liposomes (as a model of plasma membranes) were added to this assay system, rapid and transient am...

journal_title：Journal of biochemistry

authors： Mizuno-Kamiya M,Inokuchi H,Kameyama Y,Yashiro K,Shin SO,Fujita A

更新日期：1995-10-01 00:00:00

abstract：:Accumulation of pyrophosphate induced by acetate administration was investigated in rat liver in situ and in perfused rat liver. Intraperitoneal injection of acetate into rats increased the pyrophosphate concentration in the liver to about 2 mumol/g liver, which was 200 times that in control liver. Perfusion of liver ...

journal_title：Journal of biochemistry

authors： Yamada T,Inoue T,Nishida T,Furuya E,Tagawa K

更新日期：1988-11-01 00:00:00

abstract：:The plant NADPH oxidases, known as respiratory burst oxidase homologues (Rbohs), play an indispensable role in a wide array of cellular and developmental processes. Arabidopsis thaliana RbohF (AtRbohF)-mediated production of reactive oxygen species (ROS) is involved in biotic and abiotic stress responses. Because of t...

journal_title：Journal of biochemistry

authors： Kimura S,Kawarazaki T,Nibori H,Michikawa M,Imai A,Kaya H,Kuchitsu K

更新日期：2013-02-01 00:00:00

abstract：:We have previously shown that caldesmon at low concentrations stimulates the interaction between actin, myosin, and ATP, while at high concentrations it inhibits the interaction [Ishikawa, R., Okagaki, T., Higashi-Fujime, S., & Kohama, K. (1991) J. Biol. Chem. 266, 21784-21790]. When the effect of caldesmon at low con...

journal_title：Journal of biochemistry

authors： Lin Y,Ishikawa R,Kohama K

更新日期：1993-08-01 00:00:00

abstract：:A cDNA clone inducible by either a tumor promoter, 12-o-tetradecanoyl phorbol-13-acetate (TPA), or a T-cell mitogen, phytohemagglutinin (PHA), was isolated from a cDNA library constructed from the poly(A) + RNAs of TPA- and PHA-stimulated human tonsillar lymphocytes, and was named pLD78. Stimulation of the tonsillar l...

journal_title：Journal of biochemistry

authors： Obaru K,Fukuda M,Maeda S,Shimada K

更新日期：1986-03-01 00:00:00

abstract：:When crude neurofilaments were dissolved in a solution containing 8 M urea and 1% beta-mercaptoethanol (beta-ME), the component proteins of the neurofilaments and other contaminating filaments were solubilized into monomeric forms. However, when reassembled filaments were solubilized again by the addition of urea to 8...

journal_title：Journal of biochemistry

authors： Tokutake S,Tanaka K

更新日期：1989-01-01 00:00:00

abstract：:In this work we have studied the equilibrium and kinetic stability of a hyperthermophilic protein, O(6)-methylguanine-DNA methyltransferase (Tk-MGMT), and its mesophilic counterpart AdaC, in various chemical solutions. In an unfolding experiment using guanidine hydrochloride (GdnHCl), the unfolding free-energy change ...

journal_title：Journal of biochemistry

authors： Nishikori S,Shiraki K,Okanojo M,Imanaka T,Takagi M

更新日期：2004-10-01 00:00:00

abstract：:To investigate a possible function of plasma albumin in partitioning organic anions into bile and urine, phenolsulfonphthalein (PSP) was administered intravenously and its in vivo fate was studied in normal and analbuminemic mutant rats (NAR). No significant change in the rate of PSP disappearance was observed in bila...

journal_title：Journal of biochemistry

authors： Inoue M,Koyama H,Nagase S,Morino Y

更新日期：1986-07-01 00:00:00

abstract：:Under conditions where nM level of calmodulin was able to show full activation of myosin light chain kinase and cyclic-nucleotide phosphodiesterase, the fragments of calmodulin at concentrations as high as 20 microM failed to activate these enzymes in the presence of Ca2+. The fragments tested were Ala1-Lys75 (F12), A...

journal_title：Journal of biochemistry

authors： Minowa O,Yazawa M,Sobue K,Ito K,Yagi K

更新日期：1988-03-01 00:00:00

abstract：:To better understand the regulation of ryudocan (syndecan-4) expression, we have determined the structural organization of the human ryudocan gene. The human ryudocan gene extends approximately 24 kilobases and is divided into five exons, which appear to be conserved in syndecan family members. Exon I encodes the sign...

journal_title：Journal of biochemistry

authors： Takagi A,Kojima T,Tsuzuki S,Katsumi A,Yamazaki T,Sugiura I,Hamaguchi M,Saito H

更新日期：1996-05-01 00:00:00

abstract：:Using an F-actin affinity column, a 60 kDa fragment of a 71 kDa F-actin-binding protein was partially purified from Tetrahymena pyriformis. After digestion of the 60 kDa fragment with cyanogen bromide, the N-terminal 21-amino acid sequence of one of the resulting peptides was found to show sequence similarity to a reg...

journal_title：Journal of biochemistry

authors： Watanabe A,Kurasawa Y,Watanabe Y,Numata O

更新日期：1998-04-01 00:00:00

abstract：:The direct ion-dipolar interactions between potassium ion (K(+)) and the two hydroxyl groups of the substrate are the most striking feature of the crystal structure of coenzyme B(12)-dependent diol dehydratase. We carried out density-functional-theory computations to determine whether K(+) can assist the 1,2-shift of ...

journal_title：Journal of biochemistry

authors： Toraya T,Yoshizawa K,Eda M,Yamabe T

更新日期：1999-10-01 00:00:00