The catalytic power of magnesium chelatase: a benchmark for the AAA(+) ATPases.

abstract：:A peptide reproducing the G-H loop amino acid sequence of foot-and-mouth disease virus VP1 protein was fused to the solvent-exposed C-terminus of the bacteriophage P22 tailspike protein [Carbonell and Villaverde (1996) Gene, in press], a homotrimeric polypeptide with a strong beta-helical structure. This fusion does n...

journal_title：FEBS letters

authors： Carbonell X,Benito A,Villaverde A

更新日期：1996-11-18 00:00:00

abstract：:Bovine heart cytochrome-c oxidase was reconstituted in liposomes and the kinetics of cytochrome c oxidation were measured by the polarographic and photometric method under uncoupled conditions in the presence of various polyvalent anions. In order to distinguish between specific and unspecific ionic effects of ATP, th...

journal_title：FEBS letters

authors： Hüther FJ,Kadenbach B

更新日期：1986-10-20 00:00:00

abstract：:We have investigated the functional importance of nucleotide sequence differences between proximal (P-) and distal (D-) p53-binding elements in the MCK promoter. P- and D-elements normally co-operate to permit synergistic promoter activation by p53. Interestingly, we find that P-elements cannot co-operate with each ot...

journal_title：FEBS letters

authors： Jackson P,Yardley G

更新日期：1997-04-14 00:00:00

abstract：:Characterization of lignified Zinnia elegans hypocotyls by both alkaline nitrobenzene oxidation and thioacidolysis reveals that coniferyl alcohol units are mainly found as part of 4-O-linked end groups and aryl-glycerol-beta-aryl ether (beta-O-4) structures. Z. elegans hypocotyls also contain a basic peroxidase (EC 1....

journal_title：FEBS letters

authors： Pomar F,Caballero N,Pedreño M,Ros Barceló A

更新日期：2002-10-09 00:00:00

abstract：:Protein tyrosine kinase p72syk purified from rat spleen has been assayed for its ability to phosphorylate a number of peptide substrates derived from naturally occurring phospho-acceptor sites. The phosphorylation efficiency is extremely variable, depending on the peptide sequence, with Km values in the 3-1500 microM ...

journal_title：FEBS letters

authors： Brunati AM,Donella-Deana A,Ruzzene M,Marin O,Pinna LA

更新日期：1995-06-26 00:00:00

abstract：:We show here that the genome of F9 teratocarcinoma cells growing in culture is heavily methylated but undergoes massive demethylation in tumors derived by subcutaneous injection of the cells. This demethylation occurs primarily in single copy gene sequences. As a result imprinted genes acquire their characteristic mon...

journal_title：FEBS letters

authors： Yeivin A,Levine A,Razin A

更新日期：1996-10-14 00:00:00

abstract：:The action of substrate analogs containing the tetrazolyl group instead of the C-terminal carboxy group on the peptidase activity of carboxypeptidase A is studied. The analogs compete with the substrate for the secondary binding site thus showing activation phenomena. ...

journal_title：FEBS letters

authors： Kojro E,Willhardt I,Römbach A,Grzonka Z,Hermann P

更新日期：1987-02-09 00:00:00

abstract：:Cleavage of the envelope glycoprotein precursor gp160 of HIV-1 is a prerequisite for the infectivity of HIV-1, and occurs at least in part before gp160 reaches the cell surface. Kexin/subtilisin-related endopeptidases are proposed enzyme candidates for this intracellular processing. In this study, we reveal the possib...

journal_title：FEBS letters

authors： Okumura Y,Yano M,Murakami M,Mori S,Towatari T,Kido H

更新日期：1999-01-08 00:00:00

abstract：:An up to 14-fold increase in total hexokinase activity induced by low-frequency stimulation in rat fast-twitch muscle was followed by a rapid decay in enzyme activity after cessation of stimulation. In vivo labeling revealed that these alterations were related to rapid changes in [35S]methionine incorporation into hex...

journal_title：FEBS letters

authors： Weber FE,Pette D

更新日期：1990-02-26 00:00:00

abstract：:Angiotensin II (Ang II), a potent hypertrophic factor for vascular smooth muscle cells (VSMC), induces activation of the ras proto-oncogene product (Ras) and mitogen-activated protein (MAP) kinases, and tyrosine phosphorylation of a focal adhesion-associated protein, paxillin. Forskolin, a direct activator of adenylat...

journal_title：FEBS letters

authors： Takahashi T,Kawahara Y,Okuda M,Yokoyama M

更新日期：1996-11-11 00:00:00

abstract：:The lateral diffusion of BK(Ca) channels was previously shown to be highly 'confined' in the COS-7 cell membrane. Here we report that the diffusion coefficient and the confinement area of BK(Ca) channel were significantly increased by the treatment of latrunculin A, an actin-depolymerizing agent, but not by microtubul...

journal_title：FEBS letters

authors： Won S,Lee BC,Park CS

更新日期：2011-07-21 00:00:00

abstract：:Sulfated glycoprotein 2 (SGP-2) mRNA progressively increased in the ventral prostate of the aging rat, reaching, at 24 months, 4-fold higher than at 3 months. Ornithine decarboxylase (ODC) mRNA peaked at 6 months (4-fold increase), and at 12 and 24 months was maintained at higher levels than at 3 months. ODC enzymatic...

journal_title：FEBS letters

authors： Bettuzzi S,Strocchi P,Marinelli M,Astancolle S,Davalli P,Corti A

更新日期：1994-07-18 00:00:00

abstract：:Methyl-beta-cyclodextrin (MbetaCD) was used to explore a role for cholesterol-enriched plasma membrane microdomains in coupling lysophosphatidic acid (LPA) stimulation to phosphoinositide 3-kinase (PI3K) activation. Cholesterol depletion strongly inhibited the production of phosphatidylinositol 3,4-bisphosphate and ph...

journal_title：FEBS letters

authors： Peres C,Yart A,Perret B,Salles JP,Raynal P

更新日期：2003-01-16 00:00:00

abstract：:Annexin I (AnxI) is a calcium-dependent membrane binding protein which has been implicated in various physiological activities. The region of the chicken anxI cDNA encoding the first 130 amino terminal residues was cloned by reverse transcription PCR in order to determine the relationship of its variable amino-termina...

journal_title：FEBS letters

authors： Sidis Y,Horseman ND

更新日期：1993-08-30 00:00:00

abstract：:The use of tobacco plants as a novel expression system for the production of human homotrimeric collagen I is presented in this report. Constructs were engineered from cDNA encoding the human proalpha1(I) chain to generate transgenic tobacco plants expressing collagen I. The recombinant proalpha1(I) chains were expres...

journal_title：FEBS letters

authors： Ruggiero F,Exposito JY,Bournat P,Gruber V,Perret S,Comte J,Olagnier B,Garrone R,Theisen M

更新日期：2000-03-03 00:00:00

abstract：:The sequences of rat testis carbonyl reductase (rCR1) and rat ovary carbonyl reductase (rCR2) are 98% identical, differing only at amino acids 140, 141, 143, 235 and 238. Despite such strong sequence identity, we find that rCR1 and rCR2 have different catalytic constants for metabolism of menadione and 4-benzoyl-pyrid...

journal_title：FEBS letters

authors： Sciotti MA,Tam S,Wermuth B,Baker ME

更新日期：2006-01-09 00:00:00

abstract：:The cDNA for the nearly full-length rabbit muscle glycogen phosphorylase mRNA has been isolated and sequenced. The cDNA is rich in G and C nucleotides. This feature is especially striking at the 3rd position of codons, where 86% of the 843 amino acid codons terminate with G or C. Methionine, presumably the initiation ...

journal_title：FEBS letters

authors： Nakano K,Hwang PK,Fletterick RJ

更新日期：1986-08-18 00:00:00

abstract：:The addition of hepatocyte growth factor (HGF) to rat hepatocytes in primary culture resulted in the formation of inositol 1,4,5-trisphosphate (Ins(1,4,5)P3) and 1,2-diacylglycerol (DG) by a phosphoinositide-specific phospholipase C (PI-PLC). DG showed a biphasic increase; the first phase, corresponding with the peak ...

journal_title：FEBS letters

authors： Osada S,Nakashima S,Saji S,Nakamura T,Nozawa Y

更新日期：1992-02-10 00:00:00

abstract：:Using reverse transcription followed by PCR amplification (RT-PCR), we have identified multiple messenger RNAs encoding for the neuronal pore-forming Ca(2+) channel subunits alpha(1A) (P/Q channel), alpha(1B) (N channel), alpha(1D) (neuronal/endocrine L channel), alpha(1E) (R channel), alpha(1G-H) (T channel) and alph...

journal_title：FEBS letters

authors： García-Palomero E,Cuchillo-Ibáñez I,García AG,Renart J,Albillos A,Montiel C

更新日期：2000-09-22 00:00:00

abstract：:A cDNA of a novel form of type V adenylyl cyclase has been cloned from rabbit myocardium using oligonucleotide probes derived from peptides that were produced by enzymatic cleavage of purified heart cyclase. A corresponding mRNA (6 kb) has been detected in rabbit myocardial tissue by Northern blot analysis. The cDNA e...

journal_title：FEBS letters

authors： Wallach J,Droste M,Kluxen FW,Pfeuffer T,Frank R

更新日期：1994-02-07 00:00:00

abstract：:The major mono- and disialogangliosides of the extensively characterized established human glioma line D54MG were isolated and purified from subcutaneous solid xenografts grown in athymic (nu/nu) mice. Structural determination showed that they belonged to the lactotetraosylceramide series. The sialyllactotetraosylcera...

journal_title：FEBS letters

authors： Månsson JE,Fredman P,Bigner DD,Molin K,Rosengren B,Friedman HS,Svennerholm L

更新日期：1986-05-26 00:00:00

abstract：:Heat shock proteins (Hsps) are induced in response to various kinds of environmental and physiological stresses. However, it is unclear whether Hsps play roles in protecting cells in the digestive organs against xenobiotic chemicals. Here, we found that feeding induces expression of a set of Hsps specifically in the m...

journal_title：FEBS letters

authors： Katsuki K,Fujimoto M,Zhang XY,Izu H,Takaki E,Tanizawa Y,Inouye S,Nakai A

更新日期：2004-07-30 00:00:00

abstract：:Inducible nitric oxide (NO) synthase (iNOS) appears to be a marker of tumor progression in colon carcinogenesis. Here we investigated effects of NO on selected chemokines that differentially regulate angiogenesis, namely pro-angiogenic interleukin (IL)-8 as well as tumor-suppressive interferon-inducible protein-10 (IP...

journal_title：FEBS letters

authors： Hellmuth M,Paulukat J,Ninic R,Pfeilschifter J,Mühl H

更新日期：2004-04-09 00:00:00

abstract：:The amino acid sequence of the eclosion hormone from the tobacco hornworm Manduca sexta has been determined, using less than 500 pmol of protein and microanalytical techniques. The protein contains 62 amino acid residues and has a molecular mass of 6813 Da. The amino-terminal sequence is similar to that of a 13-residu...

journal_title：FEBS letters

authors： Marti T,Takio K,Walsh KA,Terzi G,Truman JW

更新日期：1987-07-27 00:00:00

abstract：:The phosphatidylinositol 4,5-bisphosphate (PtdIns-P2)-regulated actin-binding protein gelsolin and most phosphoinositide-specific phospholipases C (PLCs) comprise a basic amino acid motif ((K/R)xxxKxK(K/R); x denotes any amino acid) which was previously suggested to represent a PtdInsP2-binding site commonly present i...

journal_title：FEBS letters

authors： Simões AP,Camps M,Schnabel P,Gierschik P

更新日期：1995-05-29 00:00:00

abstract：:A new phagemid cloning vector for positive selection of recombinants, pBa-7, was constructed which contains an active barnase gene encoding the cytotoxic ribonuclease from Bacillus amyloliquefaciens, under control of the lac promoter. PBa-7 is a derivative of the high-copy number pBluescript II KS+ phagemid in which t...

journal_title：FEBS letters

authors： Yazynin S,Lange H,Mokros T,Deyev S,Lemke H

更新日期：1999-06-11 00:00:00

abstract：:Cellular retinoic acid binding proteins (CRABPs) bind all-trans-retinoic acid (atRA) tightly. This study aimed to determine whether atRA is channeled directly to cytochrome P450 (CYP) CYP26B1 by CRABPs, and whether CRABPs interact directly with CYP26B1. atRA bound to CRABPs (holo-CRABP) was efficiently metabolized by ...

journal_title：FEBS letters

authors： Nelson CH,Peng CC,Lutz JD,Yeung CK,Zelter A,Isoherranen N

更新日期：2016-08-01 00:00:00

abstract：:Human monocyte-macrophages were incubated for 24 h in Ham's F-10 medium with human low-density lipoprotein (LDL) in the presence or absence of beta-carotene, canthaxanthin or zeaxanthin, at final concentrations of 2.5, 12.5 and 25 mg/l. LDL oxidation, measured by agarose gel electrophoresis, the thiobarbituric acid as...

journal_title：FEBS letters

authors： Carpenter KL,van der Veen C,Hird R,Dennis IF,Ding T,Mitchinson MJ

更新日期：1997-01-20 00:00:00

abstract：:While negative effect of smoking on the resistance to viral infections was known, the underlying mechanisms remained unclear. Here we report that products of cigarette smoking compromise the cellular anti-viral defenses by inhibiting the signaling induced by Type I interferon (IFN). Cigarette smoking condensate (but n...

journal_title：FEBS letters

authors： HuangFu WC,Liu J,Harty RN,Fuchs SY

更新日期：2008-09-22 00:00:00

abstract：:PA28, a 200 kDa activator of 20S proteasomes, was purified from human placenta and was gel electrophoretically resolved into two different subunits, alpha and beta. In reconstitution experiments, alpha-subunits alone were found to re-associate forming homooligomers with an M(r) of about 200 kDa, which elicit a stimula...

journal_title：FEBS letters

authors： Kuehn L,Dahlmann B

更新日期：1996-09-30 00:00:00