Overproduction, purification, and characterization of ferrochelatase from Escherichia coli.

abstract：:A major lipid class in the Harderian glands of the Mongolian gerbil was investigated. The IR and 1H-NMR spectra suggested that it was a wax-like compound. Fatty acids present were capric, lauric, myristic, palmitic, stearic, arachidic, and behenic acids in ratios of 3.0%, 16.3%, 16.5%, 29.5%, 5.1%, 16.4%, and 9.8%, re...

journal_title：Journal of biochemistry

authors： Otsuru O,Otsuka H,Kasama T,Seyama Y,Sakai T,Yohro T

更新日期：1983-12-01 00:00:00

abstract：:Heat-stable malate dehydrogenase isolated from Thermus flavus AT62 was completely inactivated by treatment with diethylpyrocarbonate. The inactivation was accompanied by the loss of 1.2 histidine residues per subunit of the enzyme. The enzyme was protected from inactivation by NADH. The enzyme was also inactivated by ...

journal_title：Journal of biochemistry

authors： Iijima S,Oh MJ,Saiki T,Beppu T

更新日期：1986-06-01 00:00:00

abstract：:The subcellular distribution of calmodulin and particulate calmodulin-binding activity was studied in a eukaryotic protozoan, Tetrahymena pyriformis NT-1. The particulate calmodulin-binding activity was found to be localized principally in microsomes and to some extent in cilia and surface membranes called pellicles. ...

journal_title：Journal of biochemistry

authors： Nagao S,Banno Y,Nozawa Y,Sobue K,Yamazaki R,Kakiuchi S

更新日期：1981-09-01 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：:Mannan, a ligand for the mannose/N-acetylglucosamine (GlcNAc) receptor, induces suppression of oxygen consumption and increases glucose production in the perfused rat liver, and repeated infusion of mannan causes desensitization of the responses. In this study, we examined whether activation of Kupffer cells by endoto...

journal_title：Journal of biochemistry

authors： Kimura K,Hamada M,Moriyama M,Kannan Y,Shiota M,Sakurada K,Musashi M,Sugano T

更新日期：1996-09-01 00:00:00

abstract：:We have found that arachidonic (20 : 4) acid is indetectable in phosphatidylinositol and diacyglycerol extracted from Drosophila heads. After careful examinations of the lipid extraction processes and fatty acid detection system (gas-liquid chromatography), we excluded the possibility of the oxidation of polyunsaturat...

journal_title：Journal of biochemistry

authors： Yoshioka T,Inoue H,Kasama T,Seyama Y,Nakashima S,Nozawa Y,Hotta Y

更新日期：1985-09-01 00:00:00

abstract：:The amino acid sequences of human histones have been investigated for studies of histone evolution. The whole histone was prepared from human spleen and was separated into 3 fractions, H4+H3+H2A, H2B, and H1, by our technique of CM-cellulose chromatography. The H2B fraction was further purified by Bio-Gel P-60 chromat...

journal_title：Journal of biochemistry

authors： Ohe Y,Hayashi H,Iwai K

更新日期：1979-02-01 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：:Alanine-glyoxylate aminotransferase (AGT) 2 is a pyridoxal 5'-phosphate dependent, mitochondrial enzyme which, in the rat, is expressed at a high level in the kidney. The amino acid sequences of nine tryptic and seven CNBr peptides of the rat kidney AGT2 were determined. Three overlapping cDNAs encoding the AGT2 were ...

journal_title：Journal of biochemistry

authors： Lee IS,Muragaki Y,Ideguchi T,Hase T,Tsuji M,Ooshima A,Okuno E,Kido R

更新日期：1995-04-01 00:00:00

abstract：:Glycerol-treated muscle fiber bundles were fixed at their rest length in 50 mM KC1, 2 mM MgC1(2), and 10 micron CaC1(2) at pH 7.8 and 0 degrees C in the presence of sufficient amounts of ATP, creatine kinase, and creatine phosphate. The fiber bundles were stretched linearly with time for 0.3 s at a constant amplitude,...

journal_title：Journal of biochemistry

authors： Arata T,Mukohata Y,Tonomura Y

更新日期：1978-10-01 00:00:00

abstract：:The SH groups of glutamine synthetase [EC 6.3.1.2] from Bacillus stearothermophilus were modified with 5, 5'-dithiobis(2-nitrobenzoic acid) in order to determine the number of SH groups in the molecule as well as the effect of the modification on the enzyme activity. Three SH groups per subunit were detected after co...

journal_title：Journal of biochemistry

authors： Hachimori A,Takeda A,Nagaoka T,Suzuki H,Nosoh Y,Samejima T

更新日期：1975-12-01 00:00:00

abstract：:We have developed a novel method for the preparation of 'recombinant proteoliposomes'. Membrane proteins were expressed on budded virus (BV) envelopes using baculovirus gene expression systems, and proteoliposomes were prepared by fusion of these viruses with liposomes. First, plasmid DNA containing the gene for the t...

journal_title：Journal of biochemistry

authors： Fukushima H,Mizutani M,Imamura K,Morino K,Kobayashi J,Okumura K,Tsumoto K,Yoshimura T

更新日期：2008-12-01 00:00:00

abstract：:Cholecalciferol 25-hydroxylase was partially purified by polyethylene glycol fractionation and chromatographies on octylamino-Sepharose and hydroxylapatite columns starting from the liver microsomes of female rats, and compared with P-450cc25 purified from the liver microsomes of male rats (Hayashi, et al. (1986) J. B...

journal_title：Journal of biochemistry

authors： Hayashi S,Usui E,Okuda K

更新日期：1988-05-01 00:00:00

abstract：:Rhodopsin from the bovine rod outer segment contains a covalently linked carbohydrate moiety (Heller, J. & Lawrence, M.A. (1973) Biochemistry 9, 864--868). We studied the location of this carbohydrate moiety on the disk membrane by using ferritin-conjugated concanavalin A and concanavalin A labelled with fluorescein i...

journal_title：Journal of biochemistry

authors： Nakano T,Ikai A,Nishigai M,Noda H

更新日期：1979-05-01 00:00:00

abstract：:While many reports have shown that Ca2+ alone causes ryanodine binding to the heavy fraction of the sarcoplasmic reticulum (HFSR), our results demonstrate that caffeine or beta,gamma-methylene adenosine triphosphate (AMPOPCP) in addition to Ca2+ is necessary for ryanodine binding, although Ca2+ is indispensable for it...

journal_title：Journal of biochemistry

authors： Ogawa Y,Harafuji H

更新日期：1990-06-01 00:00:00

abstract：:Angiogenesis, a formation of neovessels, is regulated by the local balance between angiogenesis stimulators and inhibitors. A number of such endogenous regulators of angiogenesis have been found in the body. Recently, vasohibin-1 (VASH1) was isolated as a negative feedback regulator of angiogenesis produced by endothe...

journal_title：Journal of biochemistry

authors： Sato Y

更新日期：2013-01-01 00:00:00

abstract：:Glutathione-S-epoxide transferase has been purified from guinea pig liver in a homogeneous form having a sedimentation coefficient, s20,w of 3.8S, and a molecular weight of 46,000, and dissociable into subunits with a molecular weight of 25,000. The activities with four substrates, styrene oxide, naphthalene oxide, io...

journal_title：Journal of biochemistry

authors： Hayakawa T,Myokei Y,Yagi H,Jerina DM

更新日期：1977-08-01 00:00:00

abstract：:The human malaria parasite (Plasmodium falciparum) possesses a plastid-derived organelle called the apicoplast, which is believed to employ metabolisms crucial for the parasite's survival. We cloned and studied the biochemical properties of plant-type ferredoxin (Fd) and Fd-NADP+ reductase (FNR), a redox system that p...

journal_title：Journal of biochemistry

authors： Kimata-Ariga Y,Kurisu G,Kusunoki M,Aoki S,Sato D,Kobayashi T,Kita K,Horii T,Hase T

更新日期：2007-03-01 00:00:00

abstract：:We found functionally active thrombomodulin in human platelets (60 +/- 18 molecules per platelet). Protein C appeared not to be activated by thrombin with gel-filtered platelets. However, the activation of protein C by thrombin was accelerated by thrombin-stimulated and washed platelets. This cofactor activity of the ...

journal_title：Journal of biochemistry

authors： Suzuki K,Nishioka J,Hayashi T,Kosaka Y

更新日期：1988-10-01 00:00:00

abstract：:The enthalpies of transfer of several amino acids and diglycine from water to aqueous polyols (glycerol, xylitol, sorbitol, and inositol) have been calorimetrically determined in order to clarify the mechanism of polyol-induced stabilization of proteins. The obtained enthalpy data were combined with the data on free e...

journal_title：Journal of biochemistry

authors： Gekko K

更新日期：1981-12-01 00:00:00

abstract：:The flavoenzyme medium-chain acyl-CoA dehydrogenase (MCAD) eliminates the alpha-proton of the substrate analog, 3-thiaoctanoyl-CoA (3S-C8-CoA), to form a charge-transfer complex with deprotonated 3S-C8-CoA. This complex can simulate the metastable reaction intermediate immediately after the alpha-proton elimination of...

journal_title：Journal of biochemistry

authors： Satoh A,Nakajima Y,Miyahara I,Hirotsu K,Tanaka T,Nishina Y,Shiga K,Tamaoki H,Setoyama C,Miura R

更新日期：2003-08-01 00:00:00

abstract：:Paramyosin is a myosin-binding protein characteristic of invertebrate animals, while troponin is a Ca2+-dependent regulator of muscle contraction. Both proteins are widely distributed in protostomes, while in deuterostomes, their distribution is limited; namely, presence of paramyosin and absence of troponin are commo...

journal_title：Journal of biochemistry

authors： Sonobe H,Obinata T,Minokawa T,Haruta T,Kawamura Y,Wakatsuki S,Sato N

更新日期：2016-12-01 00:00:00

abstract：:Hemoglobin-vesicles (HbV) have been developed for use as artificial O(2) carriers in which a purified Hb solution is encapsulated within a phospholipid bilayer membrane. In this study, bovine Hb (BHb) was tested as a source of HbV instead of human Hb (HHb). We compared the preparation process and characteristics of BH...

journal_title：Journal of biochemistry

authors： Sakai H,Masada Y,Takeoka S,Tsuchida E

更新日期：2002-04-01 00:00:00

abstract：:Equilibrium gel permeation chromatography was employed to determine the ability of heparin to form complexes with thrombin and antithrombin III. In the eluate from a Sephacryl S-200 column, heparin caused a peak and then a trough in the fluorescence of 48 nM antithrombin III or 63 nM thrombin. The peak-heights with kn...

journal_title：Journal of biochemistry

authors： Oshima G,Uchiyama H,Nagasawa K

更新日期：1984-10-01 00:00:00

abstract：:A synchronous enzyme-reaction system using water-soluble formazan and a non-enzymatic electron mediator was developed and applied to an enzyme immunoassay (EIA). The reaction system consists of four steps: (I) dephosphorylation of NADP(+) to produce NAD(+) by alkaline phosphatase (ALP), (II) reduction of NAD(+) to pro...

journal_title：Journal of biochemistry

authors： Inouye K,Ueno I,Yokoyama S,Sakaki T

更新日期：2002-01-01 00:00:00

abstract：:We isolated and characterized an anti-idiotype monoclonal antibody (AR42.1) which is capable of mimicking a distinct and specific epitope of MUC-1 antigen. The cDNA sequences coding for the AR42.1 variable regions were determined. We found significant amino acid homology between complementary determining regions 3 (CD...

journal_title：Journal of biochemistry

authors： Luo D,Qi W,Ma J,Wang YJ,Wishart D

更新日期：2000-09-01 00:00:00

abstract：:The complete amino acid sequence of coagulogen purified from the hemocytes of the horseshoe crab Carcinoscorpius rotundicauda was determined by characterization of the NH2-terminal sequence and the peptides generated after digestion of the protein with lysyl endopeptidase, Staphylococcal aureus protease V8 and trypsin...

journal_title：Journal of biochemistry

authors： Srimal S,Miyata T,Kawabata S,Miyata T,Iwanaga S

更新日期：1985-08-01 00:00:00

abstract：:Selected biochemical properties, including the charge heterodispersity profile and carbohydrate specificity, of bovine galectin-1 were determined in detail. The lectin was purified through an improved purification protocol that yielded 35-40 mg/kg of wet tissue with a specific activity of 1.7-2 x 10(4) mg-1.ml. The ga...

journal_title：Journal of biochemistry

authors： Ahmed H,Fink NE,Pohl J,Vasta GR

更新日期：1996-11-01 00:00:00

abstract：:A beta-galactosidase was extracted from the internal organs of a sea squirt, Styela plicata, and purified 959-fold, with an 18% yield, by successive gel chromatography, anion-exchange chromatography, chromatofocusing, and affinity chromatography on a Con A-Sepharose column. The purified enzyme was fairly homogeneous, ...

journal_title：Journal of biochemistry

authors： Shigeta S,Ono K,Oka S

更新日期：1991-07-01 00:00:00

abstract：:Leukotriene B4 (LTB4) is a potent inflammatory mediator derived from arachidonic acid. Two G protein-coupled receptors for LTB4 have been identified: a high-affinity receptor, BLT1, and a low-affinity receptor, BLT2. Both receptors mainly couple to pertussis toxin-sensitive Gi-like G proteins and induce cell migration...

journal_title：Journal of biochemistry

authors： Yokomizo T

更新日期：2015-02-01 00:00:00