Unique peptide:N-glycanase of Caenorhabditis elegans has activity of protein disulphide reductase as well as of deglycosylation.

abstract：:Rat serum carboxylesterase [carboxylic ester hydrolase, EC 3.1.1.1] was purified by ammonium sulfate precipitation, chromatography on DEAE-cellulose, QAE Sephadex A-50 and brushite, and gel filtration on Sephadex G-200. This purified enzyme was shown to be a single protein band on slab gel electrophoresis and its fina...

journal_title：Journal of biochemistry

authors： Hashinotsume M,Higashino K,Hada T,Yamamura Y

更新日期：1978-12-01 00:00:00

abstract：:High mobility group (HMG) protein 1 contains two DNA binding motifs, called HMG1/2-boxes, linked with a linker region. The functional relationships between the two boxes and the mechanism of involvement of the linker region for effective binding of HMG1 were examined. The binding analyses of truncated HMG1 peptides wi...

journal_title：Journal of biochemistry

authors： Saito K,Kikuchi T,Shirakawa H,Yoshida M

更新日期：1999-02-01 00:00:00

abstract：:Heat-stable fructose 1,6-bisphosphate-dependent L-lactate dehydrogenase [EC 1.1.1.27] was purified from an extremely thermophilic bacterium, Thermus aquaticus YT-1. The amino acid composition and NH2-terminal 34 amino acid sequence of the enzyme were determined. Its NH2-terminal sequence shows high homology with those...

journal_title：Journal of biochemistry

authors： Machida M,Matsuzawa H,Ohta T

更新日期：1985-03-01 00:00:00

abstract：:A transition-state analog, gluconolactone, was found to partially quench the protein fluorescence of glucoamylase [EC 3.2.1.3] from Rhizopus niveus. The interaction between gluconolactone and the enzyme was studied statically and kinetically at pH 4.5 in terms of fluorescence change. The dissociation constant Kd of th...

journal_title：Journal of biochemistry

authors： Ohnishi M,Yamashita T,Hiromi K

更新日期：1977-01-01 00:00:00

abstract：:A novel glycosphingolipid (SEGLx) has been isolated from the plerocercoids of a tapeworm, Spirometra erinacei. From the results of compositional analysis, methylation analysis, exoglycosidase hydrolysis, acid hydrolysis, fast atom bombardment mass spectrometry, and proton nuclear magnetic resonance (NMR) analysis, its...

journal_title：Journal of biochemistry

authors： Kawakami Y,Nakamura K,Kojima H,Suzuki M,Inagaki F,Suzuki A,Sonoki S,Uchida A,Murata Y,Tamai Y

更新日期：1993-11-01 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：:A GTP-binding protein with an Mr of 24,000 was purified from a cholate extract of bovine brain membranes in addition to the previously reported alpha beta gamma-trimeric GTP-binding proteins (G proteins). Partial amino acid sequence analysis of the purified 24-kDa protein revealed that it was not identical to any of t...

journal_title：Journal of biochemistry

authors： Ohoka Y,Imai S,Kozasa T,Maehama T,Takahashi K,Kaziro Y,Ui M,Katada T

更新日期：1991-03-01 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：:At the initiation of chromosomal DNA replication, DNA primases synthesize short RNA primers, which are subsequently elongated by DNA polymerases. To understand the structural basis for the primer synthesis by archaeal/eukaryotic-type primases, the gene of the DNA primase from hyperthermophilic archaeon Pyrococcus hori...

journal_title：Journal of biochemistry

authors： Ito N,Nureki O,Shirouzu M,Yokoyama S,Hanaoka F

更新日期：2001-12-01 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：:A cell-free protein-synthesizing system active in initiation of translation of both endogenous mRNA and exogenous mRNA has been obtained from postmitochondrial supernatant (S-12) of the liver of ethionine-treated rats by adding reticulocyte ribosomal extract as a source of initiation factor. Formation of polysomes in ...

journal_title：Journal of biochemistry

authors： Hase M,Endo Y,Natori Y

更新日期：1982-05-01 00:00:00

abstract：:Fibronectin was isolated from human placenta tissues and compared with human plasma fibronectin. Placenta and plasma fibronectins had similar amino acid compositions, immunological properties, and cell attachment-promoting activities, but differed in apparent molecular weight on sodium dodecyl sulfate-polyacrylamide g...

journal_title：Journal of biochemistry

authors： Isemura M,Yamaguchi Y,Munakata H,Aikawa J,Kan M,Yamane I,Yosizawa Z

更新日期：1984-07-01 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：:1. A major glucoamylase [EC 3.2.1.3] of Aspergillus saitoi was purified by ultrafiltration followed by successive chromatography on DEAE-Sephadex, Ultrogel AcA 44 and SP-Sephadex. The purification achieved was 23-fold from crude extract with a yield of 21%. The purified enzyme, named Gluc M1, was proved homogeneous as...

journal_title：Journal of biochemistry

authors： Takahashi T,Inokuchi N,Irie M

更新日期：1981-01-01 00:00:00

abstract：:High-density lipoprotein (HDL) has been speculated to have an anti-atherogenic function. Many in vitro studies have demonstrated that HDL has the ability to remove cholesteryl ester (CE) from lipid-laden macrophages. However, the effect of alteration in chemical composition and particle diameter on the in vivo functio...

journal_title：Journal of biochemistry

authors： Ishigami M,Yamashita S,Sakai N,Arai T,Hirano K,Hiraoka H,Kameda-Takemura K,Matsuzawa Y

更新日期：1994-08-01 00:00:00

abstract：:We detected a novel nuclear protein, MMBP-3, that bound to the c-Myc binding motif (CACGTG) in which deoxycytidine in the CpG sequence was methylated. MMBP-3 was partially purified by chromatography on heparin-agarose and hydroxyapatite, followed by affinity adsorption to a matrix coupled to the methylated binding mot...

journal_title：Journal of biochemistry

authors： Suetake I,Tajima S,Asano A

更新日期：1995-07-01 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：:The enzymes phosphoglucomutase (PGM) and phosphomannomutase (PMM) play an important role in the synthesis of extracellular polysaccharide. By colony hybridization of the fosmid library of Sphingomonas chungbukensis DJ77, an open reading frame (ORF-1) of 1,626 nucleotides, whose predicted product is highly homologous w...

journal_title：Journal of biochemistry

authors： Yoon SS,Park SH,Kim YC,Shin M,Chong CK,Choi JD

更新日期：2008-10-01 00:00:00

abstract：:We obtained enhanced thermostability by replacing Ser161 with Cys in subtilisin E from Bacillus subtilis, a cysteine-free alkaline serine protease. The Ser161Cys mutant subtilisin E was purified from the culture supernatant of the recombinant B. subtilis in an oxidizing environment. SDS-polyacrylamide gel electrophore...

journal_title：Journal of biochemistry

authors： Takagi H,Hirai K,Wada M,Nakamori S

更新日期：2000-10-01 00:00:00

abstract：:To study the structure/function relationship and enzymatic properties of human aldolase C, we have constructed an Escherichia coli expression plasmid, pHAC11, for the isozyme. E. coli cells carrying this plasmid produced enzymatically active human aldolase C. The kcat and Km values for fructose-1,6-bisphosphate (Fru-1...

journal_title：Journal of biochemistry

authors： Kusakabe T,Motoki K,Hori K

更新日期：1994-06-01 00:00:00

abstract：:The interaction between riboflavin and riboflavin binding protein (RBP) was studied by 13C-NMR spectroscopy. The 13C-NMR spectra of riboflavin selectively enriched at the 2-, 4-, 4a-, and 10a-positions and of (3-[13C]methyl)riboflavin were measured both in the free and RBP-bound forms. The 13C signals of 13C-enriched ...

journal_title：Journal of biochemistry

authors： Miura R,Tojo H,Fujii S,Yamano T,Miyake Y

更新日期：1984-07-01 00:00:00

abstract：:Midkine (MK) is a 13-kDa heparin-binding growth/differentiation factor, and its interaction with heparan sulfate proteoglycan is important in promotion of neurite outgrowth. This study was performed to reveal the species of syndecans that interact with MK during embryogenesis of the central nervous system in the rat. ...

journal_title：Journal of biochemistry

authors： Nakanishi T,Kadomatsu K,Okamoto T,Ichihara-Tanaka K,Kojima T,Saito H,Tomoda Y,Muramatsu T

更新日期：1997-02-01 00:00:00

abstract：:Glycerol dehydrogenase [EC 1.1.1.6] (pI 5.9) from Geotrichum candidium is effectively adsorbed in the presence of 20 mM acute buffer (pH 6.0) on either octyl-Sepharose or 10-carboxydecyl-Sepharose, among ten different kinds of n-alkyl-Sepharose derivatives tested, some of which have an amino or a carboxyl group as a t...

journal_title：Journal of biochemistry

authors： Sasaki I,Itoh N,Goto H,Yamamoto R,Tanaka H,Yamashita K,Yamashita J,Horio T

更新日期：1982-01-01 00:00:00

abstract：:A partially purified fraction (Component I) which catalyzed the ATP-PPi exchange reaction dependent only on valine and glycine among the five constituent amino acids of gramicidin A was obtained from crude extracts of Bacillus brevis ATCC 8185, which produces both gramicidin A and tyrocidines. This fraction was found ...

journal_title：Journal of biochemistry

authors： Akashi K,Kubota K,Kurahashi K

更新日期：1977-01-01 00:00:00

abstract：:It has been demonstrated that the GM2 ganglioside cannot be cleaved by exo-beta-N-acetylhexosaminidases isolated from molds or bacterial sources. Here, a novel GM2 ganglioside-degrading enzyme was found in cells of Nocardia sp. This enzyme releases free fatty acids from the GM2 ganglioside. The chemical structure of t...

journal_title：Journal of biochemistry

authors： Hirabayashi Y,Kimura M,Matsumoto M,Yamamoto K,Kadowaki S,Tochikura T

更新日期：1988-01-01 00:00:00

abstract：:Heat-stable L-lactate dehydrogenase [EC 1.1.1.27] was purified from an extremely thermophilic bacterium belonging to the genus Thermus, and it showed an allosteric nature dependent on fructose 1,6-bisphosphate as an effector. The enzyme had a molecular weight of approximately 120,000 with a subunit molecular weight of...

journal_title：Journal of biochemistry

authors： Taguchi H,Yamashita M,Matsuzawa H,Ohta T

更新日期：1982-04-01 00:00:00

abstract：:Synthesis and degradation of glycerophospholipids in HL-60 cells and retinoic acid (RA)-treated HL-60 cells were examined. The synthesis of each subclass of ethanolamine-containing glycerophospholipids was extremely suppressed in RA-treated HL-60 cells, while that of other glycerophospholipids was not seriously affect...

journal_title：Journal of biochemistry

authors： Naito M,Kudo I,Nakagawa Y,Waku K,Nojiri H,Saito M,Inoue K

更新日期：1991-10-01 00:00:00

abstract：:The lanthanide ions Lu3+ (diamagnetic) and Gd3+ (paramagnetic broadening probe) were used to displace Ca2+ from the high-affinity cation binding site on G-actin. The effects of these higher-affinity ions on the proton nuclear magnetic resonance spectrum of actin were recorded. The aliphatic proton envelope in the Gd-a...

journal_title：Journal of biochemistry

authors： Barden JA,dos Remedios CG

更新日期：1984-09-01 00:00:00

abstract：:Complete drying of heparin with various concentrations of NaOH by lyophilization caused specific 2-O-desulfation to various degrees without detectable depolymerization or other chemical changes. In order to assess the importance of 2-O-sulfate groups in uronate residues to promote FGF-1 and FGF-2 activities, various 2...

journal_title：Journal of biochemistry

authors： Ishihara M,Kariya Y,Kikuchi H,Minamisawa T,Yoshida K

更新日期：1997-02-01 00:00:00

abstract：:The betagamma subunits of G proteins were coimmunoprecipitated with antibodies against various alpha subunits, and analyzed by silver stain and immunoblotting with conventional transfer procedure and membrane-blocking buffer containing 2% BSA. Multiple isoforms of gamma were coimmunoprecipitated with no significant di...

journal_title：Journal of biochemistry

authors： Ueda H,Morishita R,Katoh-Semba R,Kato K,Asano T

更新日期：1998-11-01 00:00:00