Association of the Src homology 2 domain-containing leukocyte phosphoprotein of 76 kD (SLP-76) with the p85 subunit of phosphoinositide 3-kinase.

abstract：:Rubrivivax gelatinosus is a facultative phototrophic non-sulfur bacterium belonging to the beta subclass of the purple bacteria. A terbutryn-resistant mutant of R. gelatinosus has been isolated and characterized. Increased resistance levels to terbutryn (300-fold), atrazine (6-fold) and o-phenanthroline (3-fold) were ...

journal_title：FEBS letters

authors： Ouchane S,Picaud M,Astier C

更新日期：1995-10-23 00:00:00

abstract：:Extensive data on the glycosaminoglycan (GAG) composition and the collagen fibril diameter distribution have been collected for a diverse range of connective tissues. It is shown that tissues with the smallest diameter collagen fibrils (mass-average diameter less than 60 nm) have high concentrations of hyaluronic acid...

journal_title：FEBS letters

authors： Parry DA,Flint MH,Gillard GC,Craig AS

更新日期：1982-11-22 00:00:00

abstract：:The macromolecular diversity and concentrations in the fluid phase of cytoplasm constitute conditions necessary and sufficient for aqueous phase separation. Consequences of phase separation in cytoplasm, including its 'compartmentation', are inferred from analogies with the physicochemical properties of aqueous two-ph...

journal_title：FEBS letters

authors： Walter H,Brooks DE

更新日期：1995-03-20 00:00:00

abstract：:The fibronectin type II (FnII) domain, present in diverse vertebrate proteins, plays crucial roles in several fundamental biological processes. PDC-109, the major bovine seminal plasma protein, contains two FnII domains that bind to choline phospholipids on sperm plasma membrane and induce lipid efflux crucial for suc...

journal_title：FEBS letters

authors： Singh BP,Asthana A,Basu A,Tangirala R,Mohan Rao C,Swamy MJ

更新日期：2020-02-01 00:00:00

abstract：:The atomic structures of K+ channels have added a new dimension to our understanding of K+ channel function. I will briefly review how structures have influenced our views on ion conduction, gating of the pore, and voltage sensing. ...

journal_title：FEBS letters

authors： MacKinnon R

更新日期：2003-11-27 00:00:00

abstract：:o-Aminophenol was found to be rapidly metabolized to a brown compound in the presence of purified human oxy- and methemoglobin, coupled with the oxidation and reduction of these hemoglobins by o-aminophenol. The final product of o-aminophenol was identified as 2-aminophenoxazine-3-one, by using spectrophotometry and H...

journal_title：FEBS letters

authors： Tomoda A,Yamaguchi J,Kojima H,Amemiya H,Yoneyama Y

更新日期：1986-02-03 00:00:00

abstract：:The photocycle of the light-adapted purple membrane was studied with a time-resolved fluorometry apparatus: fluorescence of the sample suspension (greater than 660 nm) was pumped with a 633-nm cw laser and the temporal change induced by a 532-nm pulsed laser was measured with a photon-counting-type transient recorder....

journal_title：FEBS letters

authors： Ohtani H,Itoh H,Shinmura T

更新日期：1992-06-22 00:00:00

abstract：:14-3-3s predominantly form homo-/heterodimers that are in equilibrium with corresponding monomers. Dimer/monomer equilibrium depends on the nature and phosphorylation of Ser58 of certain 14-3-3 isoforms. The structure and properties of 14-3-3 dimers are well characterized, whereas 14-3-3 monomers are less investigated...

journal_title：FEBS letters

authors： Sluchanko NN,Gusev NB

更新日期：2012-12-14 00:00:00

abstract：:Human Tudor staphylococcal nuclease (Tudor-SN) interacts with the G3BP protein and is recruited into stress granules (SGs), the main type of discrete RNA-containing cytoplasmic foci structure that is formed under stress conditions. Here, we further demonstrate that Tudor-SN binds and co-localizes with AGTR1-3'UTR (3'-...

journal_title：FEBS letters

authors： Gao X,Shi X,Fu X,Ge L,Zhang Y,Su C,Yang X,Silvennoinen O,Yao Z,He J,Wei M,Yang J

更新日期：2014-06-13 00:00:00

abstract：:The sialic acid of complex N-glycans can be biochemically engineered by substituting the physiological precursor N-acetylmannosamine with non-natural N-acylmannosamines. The Kv3.1 glycoprotein, a neuronal voltage-gated potassium channel, contains sialic acid. Western blots of the Kv3.1 glycoprotein isolated from trans...

journal_title：FEBS letters

authors： Hall MK,Reutter W,Lindhorst T,Schwalbe RA

更新日期：2011-10-20 00:00:00

abstract：:Cultured rat hepatocytes exhibit acid phospholipase A activity. On the basis of product formation from stereospecifically radiolabeled phosphatidylethanolamine substrates, phospholipases A1 and A2 have been identified with optimal activities at pH 4.5. According to subcellular fractionation studies, the acid phospholi...

journal_title：FEBS letters

authors： Kunze H,Löffler BM,Schmidt M

更新日期：1988-08-29 00:00:00

abstract：:Detailed structural models of di-cluster seven-iron ferredoxins constitute a valuable resource for folding and stability studies relating the metal cofactors' role in protein stability. The here reported, hemihedric twinned crystal structure at 2.0 A resolution from Acidianus ambivalens ferredoxin, shows an integral 1...

journal_title：FEBS letters

authors： Frazão C,Aragão D,Coelho R,Leal SS,Gomes CM,Teixeira M,Carrondo MA

更新日期：2008-03-05 00:00:00

abstract：:Antibodies have been prepared against the 2-oxoglutarate transport proteins purified from bovine heart and rat liver mitochondria. The anti-heart antiserum cross-reacts with the 2-oxoglutarate carrier (OGC) from beef, pig, rat and rabbit heart, but not with the OGC from liver of the same animals. Conversely, the anti-...

journal_title：FEBS letters

authors： Zara V,De Benedittis R,Ragan CI,Palmieri F

更新日期：1990-04-24 00:00:00

abstract：:Plasma membrane H(+)-ATPase of the yeast Saccharomyces cerevisiae was isolated and purified in its two forms, the activated A-ATPase from glucose-metabolizing cells, and the basal-level B-ATPase from cells with endogenous metabolism only. Using two-dimensional gel electrophoretic analysis, we showed that both enzyme p...

journal_title：FEBS letters

authors： Lapathitis G,Tanfani F,Kotyk A,Bertoli E

更新日期：2001-09-07 00:00:00

abstract：:Rapidly generated high-titer Semliki Forest virus (SFV) vectors can infect numerous mammalian cell lines and primary cell cultures, and result in high levels of transgene expression. SFV-based expression of transmembrane receptors has been characterized by specific ligand-binding activity and functional responses. Ada...

journal_title：FEBS letters

authors： Lundstrom K,Schweitzer C,Rotmann D,Hermann D,Schneider EM,Ehrengruber MU

更新日期：2001-08-31 00:00:00

abstract：:(7-methoxycoumarin-4-yl)Acetyl-Pro-Leu-Gly-Leu-(3-[2,4-dinitrophenyl]-L- 2,3-diaminopropionyl)-Ala-Arg-NH2 (Mca-Pro-Leu-Gly-Leu-Dpa-Ala-Arg-NH2) has been synthesised as a fluorogenic substrate for the matrix metalloproteinases. The highly fluorescent 7-methoxycoumarin group is efficiently quenched by energy transfer t...

journal_title：FEBS letters

authors： Knight CG,Willenbrock F,Murphy G

更新日期：1992-01-27 00:00:00

abstract：:The formation of coenzyme A thiol esters of cinnamic, p-coumaric, p-methoxy cinnamic, and ferulic acids was catalyzed by enzyme preparations from cell suspension cultures of leaf petioles from parsley (Petroselinum hortense Hoffm.). Of these acids, p-coumaric acid served as the most efficient substrate. Enzyme activit...

journal_title：FEBS letters

authors： Hahlbrock K,Grisebach H

更新日期：1970-11-09 00:00:00

abstract：:Organisms using the thiosulfate-oxidizing Sox enzyme system fall into two groups: group 1 forms sulfur globules as intermediates (Allochromatium vinosum), group 2 does not (Paracoccus pantotrophus). While several components of their Sox systems are quite similar, i.e. the proteins SoxXA, SoxYZ and SoxB, they differ by...

journal_title：FEBS letters

authors： Welte C,Hafner S,Krätzer C,Quentmeier A,Friedrich CG,Dahl C

更新日期：2009-04-17 00:00:00

abstract：:Escherichia coli outer membrane protease OmpT has been characterised as a serine protease based on its inhibitor profile, but serine protease consensus sequences are absent. By site-directed mutagenesis we substituted all conserved serines and histidines. Substitution of His(101) and His(212) by Ala, Asn or Gln result...

journal_title：FEBS letters

authors： Kramer RA,Dekker N,Egmond MR

更新日期：2000-02-25 00:00:00

abstract：:A mathematical model was developed to estimate flux control coefficients (Co) from titration studies with specific non-competitive inhibitors. In contrast to the normally used graphical determination the model pays regard to the dissociation equilibrium (KD) that exists between inhibitor and its binding sites (Eo) as ...

journal_title：FEBS letters

authors： Gellerich FN,Kunz WS,Bohnensack R

更新日期：1990-11-12 00:00:00

abstract：:Under destabilising conditions both heat and cold denaturation of yeast phosphoglycerate kinase (PGK) can be observed. According to previous interpretation of experimental data and theoretical calculations, the C-terminal domain should be more stable than the N-terminal domain at all temperatures. We report on thermal...

journal_title：FEBS letters

authors： Gast K,Damaschun G,Desmadril M,Minard P,Müller-Frohne M,Pfeil W,Zirwer D

更新日期：1995-01-30 00:00:00

abstract：:Studies of the inhibition of elastases at a molecular level have resulted in the identification of protected dipeptides which are reversible and highly specific inhibitors of human leucocyte elastase (HLE). These have been further developed by increasing their hydrophilicity and potency to give a new family of elastas...

journal_title：FEBS letters

authors： Hassall CH,Johnson WH,Kennedy AJ,Roberts NA

更新日期：1985-04-22 00:00:00

abstract：:MeCP2 is a chromatin-associated protein that is mutated in Rett syndrome. Its methyl-CpG-binding domain interacts with DNA containing methylated cytosine, but other modes of recruitment to the genome have also been proposed. Here, we use in vitro and in vivo assays to investigate the DNA binding specificity of two AT-...

journal_title：FEBS letters

authors： Lyst MJ,Connelly J,Merusi C,Bird A

更新日期：2016-09-01 00:00:00

abstract：:The myo-inositol 1,4,5-trisphosphate (IP3)-induced Ca2+ mobilization in single saponin-permeabilized and fura-2-loaded parietal cells was analysed by a fluorescence digital image processor. When the cells were incubated with ATP, free cytoplasmic Ca2+ concentration [( Ca2+]i) increased in some restricted cytoplasmic r...

journal_title：FEBS letters

authors： Tsunoda Y,Yodozawa S,Tashiro Y

更新日期：1988-04-11 00:00:00

abstract：:Plant G proteins of the ROP/RAC family regulate cellular processes including cytoskeletal rearrangement in polar growth. Activation of the ROP molecular switch is triggered by guanine nucleotide exchange factors. Plant-specific RopGEFs are exclusively active on ROPs despite their high homology to animal Rho proteins. ...

journal_title：FEBS letters

authors： Fricke I,Berken A

更新日期：2009-01-05 00:00:00

abstract：:Friedreich ataxia is a recessively inherited neurodegenerative disease caused by deficiency of a highly conserved mitochondrial protein, frataxin. Frataxin deficiency results in mitochondrial iron accumulation and oxidative stress. Frataxin shows homology with the CyaY proteins of gamma-purple bacteria, whose function...

journal_title：FEBS letters

authors： Li DS,Ohshima K,Jiralerspong S,Bojanowski MW,Pandolfo M

更新日期：1999-07-30 00:00:00

abstract：:The catalytic cycle of heme peroxidases involves two reactive states, compound I and compound II. Although their reduction potentials at pH 7 are similar, compound I is in general more reactive towards organic substrates than compound II. The different reactivities have until now remained unexplained. In this study, t...

journal_title：FEBS letters

authors： Folkes LK,Candeias LP

更新日期：1997-07-28 00:00:00

abstract：:Human pepsinogen A3 and A5 have been purified to chromatographic and electrophoretic homogeneity. At pH 2 pepsinogen A3 activates at a much faster rate than pepsinogen A5. Leu-23-Lys-24 is the first bond cleaved during activation of pepsinogen A3. This bond is also cleaved in pepsinogen A5, but together with the cleav...

journal_title：FEBS letters

authors： Foltmann B

更新日期：1988-12-05 00:00:00

abstract：:Treatment of rat thymus cell suspensions with dexamethasone resulted in inhibition of engaged RNA polymerase A, without significant change in free pool activity. Studies with the re-initiation inhibitor, rifamycin AF/0-13, and measurements of numbers of RNA polymerase A molecules and of elongation rates showed that th...

journal_title：FEBS letters

authors： Dembinski TC

更新日期：1984-07-23 00:00:00

abstract：:A microsomal fraction prepared from the mycelia of the band (bd) strain of Neurospora crassa showed enhanced phosphorylation of two small proteins with molecular masses of around 15 kDa (ps15) by the irradiation of the reaction mixture containing [gamma-32P]ATP at 0 degrees C for 1 s with blue light (450 nm, 6 mumol/m...

journal_title：FEBS letters

authors： Oda K,Hasunuma K

更新日期：1994-05-30 00:00:00