Mutations in the proteolytic domain of Escherichia coli protease Lon impair the ATPase activity of the enzyme.

abstract：:The relationship between the antioxidant effects of reduced coenzyme Q10 (ubiquinol, UQH2) and vitamin E (alpha-tocopherol) was investigated in beef heart submitochondrial particles in which lipid peroxidation was initiated by incubation with ascorbate + ADP-Fe3+. These effects were examined after extraction of coenzy...

journal_title：FEBS letters

authors： Forsmark P,Aberg F,Norling B,Nordenbrand K,Dallner G,Ernster L

更新日期：1991-07-08 00:00:00

abstract：:The 3-nitrosobenzamide (NOBA) drug abolishes SIV replication sharply at 20 microM concentration when CEM x 174 cells are preincubated for 1 h with the drug prior to viral infection. Treatment of CEM x 174 cells with 20 microM NOBA resulted in the inhibition of the synthesis of the DNA sequence coding for the gag gene,...

journal_title：FEBS letters

authors： Chuang AJ,Killam KF Jr,Chuang RY,Rice WG,Schaeffer CA,Mendeleyev J,Kun E

更新日期：1993-07-12 00:00:00

abstract：:Dipeptidylaminopeptidase IV, a plasma membrane-bound glycoprotein, is characterized by an intramolecular heterogeneous turnover of the protein backbone and carbohydrate chain. The faster turnover of the latter is restricted only to the outer sugars. The inner core sugars D-mannose and N-acetyl-D-glucosamine turn over ...

journal_title：FEBS letters

authors： Volk BA,Kreisel W,Köttgen E,Gerok W,Reutter W

更新日期：1983-10-31 00:00:00

abstract：:Until cytoplasmic recapping was discovered, decapping was thought to irreversibly destine an mRNA to degradation. Contradicting this idea, we readily observe mRNAs targeted by cytoplasmic capping in uncapped, yet stable forms. 5' rapid amplification of cDNA ends (RACE) shows that nearly all uncapped ends correspond to...

journal_title：FEBS letters

authors： Berger MR,Alvarado R,Kiss DL

更新日期：2019-04-01 00:00:00

abstract：:An efficient method is presented for the production of intact mammalian prion proteins and partial sequences thereof. As an illustration we describe the production of polypeptides comprising residues 23-231, 81-231, 90-231 and 121-231 of the human prion protein (hPrP). Polypeptides were expressed as histidine tail fus...

journal_title：FEBS letters

authors： Zahn R,von Schroetter C,Wüthrich K

更新日期：1997-11-17 00:00:00

abstract：:Regulation of acetylcholine receptor (AChR) gene expression was analyzed in alpha-bungarotoxin (alpha-BTX) treated rats. A reduction in available 125I-alpha-BTX binding sites was accompanied by an increase in the various AChR transcripts. The increase in the AChR alpha-, beta- epsilon- and delta-subunit mRNAs was simi...

journal_title：FEBS letters

authors： Asher O,Provenzano C,Fuchs S

更新日期：1991-05-06 00:00:00

abstract：:A cDNA was cloned and expressed that encodes human stress-activated protein kinase kinase-4 (SKK4), a novel MAP kinase kinase family member whose mRNA is widely expressed in human tissues. SKK4 activated SAPK1/JNK in vitro, but not SAPK2a/p38, SAPK2b/p38beta, SAPK3/ERK6 or SAPK4. It appears to be the mammalian homolog...

journal_title：FEBS letters

authors： Lawler S,Cuenda A,Goedert M,Cohen P

更新日期：1997-09-01 00:00:00

abstract：:CD38, a type II transmembrane glycoprotein, behaves as a catalytically active transporter responsible for ectocellular generation of cyclic ADP-ribose (cADPR) from NAD+ and for subsequent influx of cADPR across membranes [Franco, L., Guida, L., Bruzzone, S., Zocchi, E., Usai, C. and De Flora, A. (1998) FASEB J. in pre...

journal_title：FEBS letters

authors： Bruzzone S,Guida L,Franco L,Zocchi E,Corte G,De Flora A

更新日期：1998-08-21 00:00:00

abstract：:Toll-like receptors (TLRs) are crucial components of the innate immune system, coupling pathogen recognition to a cellular response. We used the MAPPIT mammalian two-hybrid technique to investigate protein-protein interactions in the early steps in TLR signalling. A partial TLR-adaptor interaction map was constructed ...

journal_title：FEBS letters

authors： Ulrichts P,Peelman F,Beyaert R,Tavernier J

更新日期：2007-02-20 00:00:00

abstract：:We describe here a 70 kDa transcription factor A1F-B, which preferentially binds to an element encompassing a CCAAT motif on the rat aldolase B promoter. Comparison of binding specificities, relative molecular masses, and subunit compositions with those of other known CCAAT-binding factors indicated that A1F-B is a no...

journal_title：FEBS letters

authors： Tsutsumi K,Ito K,Yabuki T,Ishikawa K

更新日期：1993-04-19 00:00:00

abstract：:Crigler-Najjar (CN) disease is caused by a deficiency of the hepatic enzyme, bilirubin UDP-glucuronosyltransferase (B-UGT). We have found two CN type II patients, who were homozygous for a leucine to arginine transition at position 15 of B-UGT1. This mutation is expected to disrupt the hydrophobic core of the signal p...

journal_title：FEBS letters

authors： Seppen J,Steenken E,Lindhout D,Bosma PJ,Elferink RP

更新日期：1996-07-29 00:00:00

abstract：:Rho-associated kinase 2 (Rock2) is known to promote tumorigenesis in hepatocellular carcinoma (HCC). CCAAT/enhancer-binding protein delta (CEBPD) functions as a tumor suppressor. In this study, we found that the expression of Rock2 and CEBPD are inversely correlated. Knockdown of Rock2 increased CEBPD expression and i...

journal_title：FEBS letters

authors： Li M,Zhou W,Yuan R,Chen L,Liu T,Huang D,Hao L,Xie Y,Shao J

更新日期：2015-04-13 00:00:00

abstract：:The effect of platelet-derived growth factor (PDGF) on Rap1 expression was investigated in rat vascular smooth muscle cells (SMC). First, evidence for Rap1 proteins was shown by their: (i) detection in membranes using a specific anti-Rap1 antibody, (ii) typical shift in electrophoretic mobility as a consequence of red...

journal_title：FEBS letters

authors： Quarck R,Bryckaert M,Magnier C,Corvazier E,Bredoux R,de Gunzburg J,Fontenay M,Tobelem G,Enouf J

更新日期：1994-04-04 00:00:00

abstract：:Contrary to previously published data, we have found that in mammalian skeletal muscles, phosphoglycerate mutase (PGM) is organized in a regular, striated fashion within the sarcomere. In the absence of the enzyme effectors, PGM localizes mainly at the M-line, but under conditions typical for contracting muscle, the e...

journal_title：FEBS letters

authors： Kowalski W,Gizak A,Rakus D

更新日期：2009-06-18 00:00:00

abstract：:The pathogenicities of influenza viruses and paramyxoviruses have been proposed to be primarily determined by a host cell protease(s) that activates viral infectivity by proteolytic cleavage of the envelope glycoproteins. We recently isolated a trypsin-type endoprotease, named tryptase Clara, from rat bronchial and br...

journal_title：FEBS letters

authors： Kido H,Sakai K,Kishino Y,Tashiro M

更新日期：1993-05-10 00:00:00

abstract：:The crystal structure of metagenome-derived LC9-RNase H1 was determined. The structure-based mutational analyses indicated that the active site motif of LC9-RNase H1 is altered from DEDD to DEDN. In this motif, the location of the second glutamate residue is moved from αA-helix to β1-strand immediately next to the fir...

journal_title：FEBS letters

authors： Nguyen TN,You DJ,Kanaya E,Koga Y,Kanaya S

更新日期：2013-05-02 00:00:00

abstract：:Part of the cytoplasmic domain of a human desmoglein, Dsg1, a cadherin-like protein found in desmosomes of epithelial cells, has been visualised by electron microscopy. The cloned fragment contains five repeats of a 29 +/- 4 residue sequence unique to desmogleins, followed by a glycine-rich region. In rotary shadowed ...

journal_title：FEBS letters

authors： Rutman AJ,Buxton RS,Burdett ID

更新日期：1994-10-17 00:00:00

abstract：:The gene trap methodology is a powerful tool to characterize novel genes and analyze their importance in biological phenomena. It is based on the use of mouse embryonic stem cells and reporter vectors designed to randomly integrate into the genome, tagging an insertion site and generating a mutation. Theoretically, al...

journal_title：FEBS letters

authors： Cecconi F,Meyer BI

更新日期：2000-08-25 00:00:00

abstract：:A selective PKC inhibitor, UCN-01, was shown to exhibit anti-tumor activity in vitro and in vivo. We investigated UCN-01 with respect to isozyme-specific PKC inhibition using purified recombinant or rabbit brain PKC isozymes, cPKC alpha, beta and gamma, nPKC delta, epsilon and eta, and a PKC zeta. Of the PKC isozymes ...

journal_title：FEBS letters

authors： Mizuno K,Noda K,Ueda Y,Hanaki H,Saido TC,Ikuta T,Kuroki T,Tamaoki T,Hirai S,Osada S

更新日期：1995-02-13 00:00:00

abstract：:Phosphatidylglycerophosphate (PGP) synthase, encoded by PGP1 and PGP2 in Arabidopsis, catalyzes a committed step in the biosynthesis of phosphatidylglycerol (PG). In this study, we isolated a pgp1pgp2 double mutant of Arabidopsis to study the function of PG. In this mutant, embryo development was delayed and the major...

journal_title：FEBS letters

authors： Tanoue R,Kobayashi M,Katayama K,Nagata N,Wada H

更新日期：2014-05-02 00:00:00

abstract：:The marked difference in auxin sensitivity between plant roots and shoots was studied in terms of auxin-induced stimulation of membrane P-type ATPase. The results suggest the existence in rice seedlings of, at least, two isoforms of soluble proteinous factors (SPF), SPF(I) and SPF(II), which are involved in the stimul...

journal_title：FEBS letters

authors： Kim D,Kim YS,Jung J

更新日期：1997-06-09 00:00:00

abstract：:The thioredoxin-catalyzed insulin reduction by dihydrolipoate was applied to study the 2-oxoacid: lipoate oxidoreductase activity of 2-oxoacid dehydrogenase complexes. The enzymatic and non-enzymatic mechanisms of the transfer of reducing equivalents from the complexes to free lipoic acid (alpha-lipoic acid, 6,8-thioo...

journal_title：FEBS letters

authors： Bunik V,Shoubnikova A,Loeffelhardt S,Bisswanger H,Borbe HO,Follmann H

更新日期：1995-09-04 00:00:00

abstract：:KOR-3, also known as ORL-1, is a member of the opioid receptor family, encoding the murine receptor for orphanin FQ/nociceptin. In the current studies we have identified five different splice variants of KOR-3 in mouse brain, three of which have not been previously reported. In addition to variants with a 15 bp deleti...

journal_title：FEBS letters

authors： Pan YX,Xu J,Wan BL,Zuckerman A,Pasternak GW

更新日期：1998-09-11 00:00:00

abstract：:A procedure for isolation of two iso-plastocyanins from parsley has been described here. Three consecutive chromatographic steps on DE-52-Whatman cellulose were applied for isolation of two total plastocyanin (PC) fractions, oxidized [PC(II)] and reduced [PC(I)]. By chromatofocusing of PC(II) on Polybuffer exchanger 7...

journal_title：FEBS letters

authors： Dimitrov MI,Donchev AA,Egorov TA

更新日期：1990-06-04 00:00:00

abstract：:The presence of additives during X-irradiation of malate synthase led to radioprotective effects against primary and post-irradiation inactivation. Pronounced effects were provided by typical scavengers, sulfhydryl reagents and specific ligands (substrates, products, analogues). The results show that scavenging and sp...

journal_title：FEBS letters

authors： Durchschlag H,Zipper P

更新日期：1988-09-12 00:00:00

abstract：:Highly selective affinity labeling of the primer site of E. coli DNA polymerase I was performed with the 5'-reactive derivatives of oligothymidylate in the presence of poly(dA) template. Subtilysine cleavage proved that the site of affinity modification belonged to the 'Klenow' part of DNA polymerase I. If taken separ...

journal_title：FEBS letters

authors： Mitina RL,Mustaev AA,Zaychikov EF,Khomov VV,Lavrik OI

更新日期：1990-10-15 00:00:00

abstract：:DNA is very stable in its double-stranded form. For many processes of DNA metabolism, such as replication, repair, recombination and transcription, the DNA has to be brought transiently into a single-stranded form. DNA helicases are enzymes capable of melting the hydrogen bonds of base pairs by using the energy of nuc...

journal_title：FEBS letters

authors： Thömmes P,Hübscher U

更新日期：1990-08-01 00:00:00

abstract：:The structural characteristics of the three nuclear phosphoproteins of the high mobility group A family are outlined and related to their participation in chromatin structure alteration in many biological processes such as gene expression, neoplastic transformation, differentiation, and apoptosis. The elevated express...

journal_title：FEBS letters

authors： Sgarra R,Rustighi A,Tessari MA,Di Bernardo J,Altamura S,Fusco A,Manfioletti G,Giancotti V

更新日期：2004-09-10 00:00:00

abstract：:We report for the first time the identification of 25 microRNAs from tissues originating from chicken embryo and adult chicken. Most of the cloned microRNAs are expressed in both adult chickens and chicken embryos. Fourteen were identified without any prior prediction. One microRNA, miR-757, is thought to be chicken-s...

journal_title：FEBS letters

authors： Xu H,Wang X,Du Z,Li N

更新日期：2006-06-26 00:00:00

abstract：:Hydrogen/deuterium (H/D) exchange measurements in low and moderate concentrations of GuHCI were conducted on the side chain H(N) atoms of the seven tryptophans of pseudo wild-type human carbonic anhydrase II. Tryptophans 5, 16 and 245, situated in or close to the N-terminal domain were found to have little protection ...

journal_title：FEBS letters

authors： Jonasson P,Kjellsson A,Sethson I,Jonsson BH

更新日期：1999-02-26 00:00:00