Lifetime of the purple intermediate of D-amino acid oxidase under anaerobic conditions.

abstract：:Escherichia coli RNase HII is composed of 198 amino acid residues. The enzyme has been overproduced in an insoluble form, purified in a urea-denatured form, and refolded with poor yield [M. Itaya (1990) Proc. Natl. Acad. Sci. USA 87, 8587-8591]. To facilitate the preparation of the enzyme in an amount sufficient for p...

journal_title：Journal of biochemistry

authors： Ohtani N,Haruki M,Muroya A,Morikawa M,Kanaya S

更新日期：2000-05-01 00:00:00

abstract：:Pseudomonas sp. 101 carboxyl proteinase (PCP) and Xanthomonas sp. T-22 carboxyl proteinase (XCP), the first and second unique carboxyl proteinases from prokaryotes to be isolated and characterized, are not inhibited by the classical carboxyl proteinase inhibitor pepstatin. In this study, we elucidated their subsite pr...

journal_title：Journal of biochemistry

authors： Narutaki S,Dunn BM,Oda K

更新日期：1999-01-01 00:00:00

abstract：:Glutamine synthetase from a Gram-positive acid-fast bacterium, Mycobacterium smegmatis, was purified to homogeneity from cells grown with glycerol-bouillon medium. Electron micrographs of the enzyme revealed a dodecameric arrangement of its subunits in two superimposed hexagonal rings, similar to the structure of glut...

journal_title：Journal of biochemistry

authors： Kimura K,Yagi K,Matsuoka K

更新日期：1984-06-01 00:00:00

abstract：:We sought to evaluate the mechanism(s) associated with pro matrix metalloprotease 2 (proMMP-2) activation in bovine pulmonary artery smooth muscle cells. Preincubation of cells with anti-TNFR1 antibody prevented tumour necrosis factor-α (TNF-α)-induced proMMP-2 activation and increase in membrane type 1 matrix metallo...

journal_title：Journal of biochemistry

authors： Roy S,Chakraborti T,Chowdhury A,Chakraborti S

更新日期：2013-03-01 00:00:00

abstract：:The dopamine (DA)-translocating mechanism of synaptic vesicles isolated from rat brain has been studied in the presence of an artificially imposed delta pH on the vesicle membranes (acidic inside with respect to the external medium) without the aid of ATP-Mg2+. Under the experimental conditions, [3H]DA uptake by the s...

journal_title：Journal of biochemistry

authors： Tsudzuki T

更新日期：1984-06-01 00:00:00

abstract：:We examined the inhibitory effect of three pseudo-aminosugars (validamine, valienamine, and valiolamine), which were isolated from the broth of Streptomyces hygroscopicus, on the oligosaccharide-processing glucosidases I and II involved in glycoprotein biosynthesis in rat liver. Both glucosidases I and II were inhibit...

journal_title：Journal of biochemistry

authors： Takeuchi M,Kamata K,Yoshida M,Kameda Y,Matsui K

更新日期：1990-07-01 00:00:00

abstract：:Heat shock protein 70 (Hsp70) chaperone systems consist of Hsp70, Hsp40 and a nucleotide-exchange factor and function to help unfolded proteins achieve their native conformations. Typical Hsp40s assume a homodimeric structure and have both chaperone and cochaperone activity. The dimeric structure is critical for chape...

journal_title：Journal of biochemistry

authors： Uchida T,Kanemori M

更新日期：2018-08-01 00:00:00

abstract：:The isolation and characterization of rabbit and human cDNAs revealed a new low density lipoprotein receptor (LDLR)-related protein (LRP) designated as LRP5. Human LRP5 cDNA encodes a 1, 616-amino acid type I membrane-like protein with three ligand binding repeats in its extracellular region. LDLR-deficient cells tran...

journal_title：Journal of biochemistry

authors： Kim DH,Inagaki Y,Suzuki T,Ioka RX,Yoshioka SZ,Magoori K,Kang MJ,Cho Y,Nakano AZ,Liu Q,Fujino T,Suzuki H,Sasano H,Yamamoto TT

更新日期：1998-12-01 00:00:00

abstract：:The heavy chain of myosin subfragment-1 prepared by chymotrypsin treatment had a molecular weight of about 96 K. It was split into 26 K, 50K, and 21 K fragments on trypsin treatment. The effect of actin binding on the susceptibilities of the junctions between 26 K and 50 K and between 50 K and 21 K, and on that of alk...

journal_title：Journal of biochemistry

authors： Yamamoto K,Sekine T

更新日期：1979-12-01 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：: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：:Phosphorylation of chicken gizzard myosin light chain in myofibril and its effect on myofibrillar ATPase activity were investigated in the contracted state of myofibrils. When myofibrils were incubated for two hours at 30 degreeds C with ATP, magnesium and calcium, the myosin light chain was phosphorylated by endogeno...

journal_title：Journal of biochemistry

authors： Yamaguchi M,Watanabe K

更新日期：1980-04-01 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：:C3-translational product, which was synthesized with rabbit liver mRNA in a reticulocyte lysate protein-synthesizing system, did not react with [14C]methylamine, indicating the lack of an internal thioester bond. Instead, the C3-translational product reacted with iodo[1-14C]acetamide, as determined by gel electrophore...

journal_title：Journal of biochemistry

authors： Iijima M,Tobe T,Sakamoto T,Tomita M

更新日期：1984-11-01 00:00:00

abstract：:In order to determine the epitope of metallothionein (MT) to a murine monoclonal antibody (MT 189-14-7) which had been produced by immunization with rat MT 2 (Kikuchi et al. (1988) Mol. Immunol. 25, 1033-1036), various lengths of synthetic oligopeptides were tested for their inhibitory activities in competitive radioi...

journal_title：Journal of biochemistry

authors： Kikuchi Y,Irie M,Ikebuchi H,Sawada J,Terao T,Nakayama S,Iguchi S,Okada Y

更新日期：1990-04-01 00:00:00

abstract：:Myosin forms stable ternary complexes with ADP and phosphate analogues of fluorometals that mimic different ATPase reaction intermediates corresponding to each step of the cross-bridge cycle. In the present study, we monitored the formation of ternary complexes of myosin.ADP.fluorometal using the fluorescence probe pr...

journal_title：Journal of biochemistry

authors： Maruta S,Uyehara Y,Aihara T,Katayama E

更新日期：2004-07-01 00:00:00

abstract：:The nucleotide sequence of 5S rRNA from the fission yeast, S. pombe, has been established by post labeling procedures combined with cataloging RNase T1- and A-oligonucleotides derived from unlabeled 5S rRNA. The sequence consists of 119 nucleotides without a modified base and shows more dissimilarities (at 38 position...

journal_title：Journal of biochemistry

authors： Komiya H,Miyazaki M,Takemura S

更新日期：1981-05-01 00:00:00

abstract：:To investigate the role of carboxyl groups of glucoamylases [EC 3.2.1.3] from a Rhizopus sp. (Gluc1 and Gluc2), the modification of Gluc1 and Gluc2 with a water-soluble carbodiimide, 1-cyclohexyl-3-(2-morpholinyl-(4)-ethyl)carbodiimide metho-p-toluenesulfonate (CMC), was studied. The inactivation of Gluc1 proceeded wi...

journal_title：Journal of biochemistry

authors： Iwama M,Ohtsuki R,Takahashi T,Irie M

更新日期：1984-08-01 00:00:00

abstract：:Many membrane proteins such as ion channels are oligomers, but the determinants of the degree of oligomerization are not fully understood. Mechanosensitive channel with large conductance (MscL), which is ubiquitous in bacteria, is a homopentamer with two transmembrane helices and a cytoplasmic helix in each subunit. T...

journal_title：Journal of biochemistry

authors： Ando C,Liu N,Yoshimura K

更新日期：2015-08-01 00:00:00

abstract：:An escape mutant of human parainfluenza virus type 1 (hPIV1), which was selected by serial passage in the presence of a sialidase inhibitor, 4-O-thiocarbamoylmethyl-2-deoxy-2,3-didehydro-N-acetylneur-aminic acid (TCM-Neu5Ac2en), exhibited remarkable syncytium formation and virus-induced cell death in LLC-MK2 cells but...

journal_title：Journal of biochemistry

authors： Takaguchi M,Takahashi T,Hosokawa C,Ueyama H,Fukushima K,Hayakawa T,Itoh K,Ikeda K,Suzuki T

更新日期：2011-02-01 00:00:00

abstract：:Effects of polydeoxynucleotides on the activity of DNA polymerase-alpha from sea urchin embryos were studied. Poly(dG), poly(dC) and poly(dC)-oligo(dG)12-18 inhibited DNA polymerase-alpha activity in the activated DNA-directed reaction but poly(dA), oligo(dT)12-18, and poly(dA)-oligo(dT)12-18 did not inhibit the activ...

journal_title：Journal of biochemistry

authors： Oguro M,Nagano H

更新日期：1982-08-01 00:00:00

abstract：:The cytosol of human erythrocytes was found to contain a Ca2+-dependent thiol protease (calpain) and its specific inhibitor (calpastatin) by DEAE-cellulose chromatography at pH 8.0, although no proteolytic activity toward casein was detected in the unfractionated hemolysate. The protease required only 40 microM Ca2+ f...

journal_title：Journal of biochemistry

authors： Murakami T,Hatanaka M,Murachi T

更新日期：1981-12-01 00:00:00

abstract：:The modes of actions of 1-farnesylpyridinium (FPy) on yeast cell growth were investigated on the basis of its effects on cell cycle progression, morphogenesis and the related events for construction of cell wall architecture in Schizosacchromyces pombe. FPy predominantly inhibited the growth of the yeast cells after v...

journal_title：Journal of biochemistry

authors： Hamada M,Ohata I,Fujita K,Usuki Y,Ogita A,Ishiguro J,Tanaka T

更新日期：2006-12-01 00:00:00

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：:By use of purified RNA polymerase II, it was demonstrated that S-II, a stimulatory protein of RNA polymerase II, enhanced the frequency of initiation of transcription from discrete sites on the promoter region of the silk fibroin gene integrated in a supercoiled plasmid DNA in the presence of manganese. In the absence...

journal_title：Journal of biochemistry

authors： Sekimizu K,Horikoshi M,Natori S

更新日期：1984-12-01 00:00:00

abstract：:Rous sarcoma virus-transformed rat liver cell line RSV-BRL secreted a neutral proteinase in a latent precursor form with a molecular weight (Mr) of 57,000 (57k) as a major secreted protein. This enzyme was a calcium-dependent metallo-proteinase. The proenzyme was purified from the serum-free conditioned medium of the ...

journal_title：Journal of biochemistry

authors： Umenishi F,Yasumitsu H,Ashida Y,Yamauti J,Umeda M,Miyazaki K

更新日期：1990-10-01 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：:Tetrahydrobiopterin (BH(4)) acts as a cofactor of the aromatic amino-acid hydroxylases, and its deficiency may result in hyperphenylalaninemia (HPA) and decreased production of the neurotransmitters. BH(4) is synthesized by sepiapterin reductase (SPR) from 6-pyruvoyl-tetrahydropterin (PPH(4)). A patient with SPR defic...

journal_title：Journal of biochemistry

authors： Hirakawa H,Sawada H,Yamahama Y,Takikawa S,Shintaku H,Hara A,Mase K,Kondo T,Iino T

更新日期：2009-07-01 00:00:00

abstract：:The immunological properties of gamma-glutamyltransferases (gamma-GTs) from human serum, liver and tonsil were studied by using a monospecific antibody to human kidney gamma-GT for the purpose of elucidating their isozymic relationships. gamma-GTs partially purified from liver and tonsil were indistinguishable in this...

journal_title：Journal of biochemistry

authors： Tsuchida S,Imai F,Sato K

更新日期：1981-03-01 00:00:00

abstract：:Reverse transcriptases (RTs) from Moloney murine leukaemia virus (MMLV) and avian myeloblastosis virus (AMV) contain all the fingers, palm, thumb, connection and RNase H domains. The fingers, palm and thumb domains are thought to be involved in the reverse transcription activity, and the RNase H domain is in the RNase...

journal_title：Journal of biochemistry

authors： Yasukawa K,Mizuno M,Inouye K

更新日期：2009-03-01 00:00:00