Kinetics and processivity of ATP hydrolysis and DNA unwinding by the RecBC enzyme from Escherichia coli.

abstract：:The enzymes in the catechol meta-fission pathway have been studied for more than 50 years in several species of bacteria capable of degrading a number of aromatic compounds. In a related pathway, naphthalene, a toxic polycyclic aromatic hydrocarbon, is fully degraded to intermediates of the tricarboxylic acid cycle by...

journal_title：Biochemistry

authors： Guimarães SL,Coitinho JB,Costa DM,Araújo SS,Whitman CP,Nagem RA

更新日期：2016-05-10 00:00:00

abstract：:Ultraviolet absorption (UV) and circular dichroism (CD) spectra of wheat germ 5S RNA, when compared to tRNAPhe, indicate a largely base-paired and base-stacked helical structure, containing up to 36 base pairs. Fourier-transform infrared (FT-IR) spectra of tRNAPhe and wheat germ ribosomal 5S RNA have been acquired at ...

journal_title：Biochemistry

authors： Li SJ,Burkey KO,Luoma GA,Alben JO,Marshall AG

更新日期：1984-07-31 00:00:00

abstract：:The diversity, abundance, and DNA sequence representation of poly(adenylic acid) containing RNA derived from cells of Achlya ambisexualis cultured in defined and undefined media have been determined. The kinetics of hybridization of polyadenylated RNA with complementary DNA were the same for both culture conditions an...

journal_title：Biochemistry

authors： Rozek CE,Orr WC,Timberlake WE

更新日期：1978-02-21 00:00:00

abstract：:In bacteria, the transcription of virulence genes is usually controlled by a cell density-dependent process known as "quorum sensing" (QS). QS relies on small diffusible signaling molecules that cross the bacterial cell wall and activate target transcription factors after a threshold concentration has been reached. Be...

journal_title：Biochemistry

authors： Yu S,Jensen V,Seeliger J,Feldmann I,Weber S,Schleicher E,Häussler S,Blankenfeldt W

更新日期：2009-11-03 00:00:00

abstract：:Eta-crystallin is a retinal dehydrogenase that has acquired a role as a structural protein in the eye lens of elephant shrews, members of an ancient order of mammals. While it retains some activity toward retinal, which is oxidized to retinoic acid, the protein has acquired a number of specific sequence changes that h...

journal_title：Biochemistry

authors： Bateman OA,Purkiss AG,van Montfort R,Slingsby C,Graham C,Wistow G

更新日期：2003-04-22 00:00:00

abstract：:p21-activated kinases (PAKs) serve as effector proteins for the GTP-binding proteins Cdc42 and Rac. They are serine/threonine kinases containing the Cdc42/Rac interactive binding (CRIB) motif. The main aim of this study was to define the minimal domain of alphaPAK required for Cdc42/Rac binding. Eight stable PAK fragm...

journal_title：Biochemistry

authors： Thompson G,Owen D,Chalk PA,Lowe PN

更新日期：1998-05-26 00:00:00

abstract：:Platelet receptor recognition domains are located on the gamma and alpha chains of human fibrinogen. The former encompasses residues 400-411 [Kloczewiak, M., Timmons, S., Lukas, T. J., & Hawiger, J. (1984) Biochemistry 23, 1767], and the latter is present in two loci on the alpha chain (alpha 95-97 and alpha 572-574) ...

journal_title：Biochemistry

authors： Timmons S,Bednarek MA,Kloczewiak M,Hawiger J

更新日期：1989-04-04 00:00:00

abstract：:Purine riboswitches are RNA regulatory elements that control purine metabolism in response to intracellular concentrations of the purine ligands. Conformational changes of the guanine riboswitch aptamer domain induced by guanine binding lead to transcriptional regulation of genes involved in guanine biosynthesis. The ...

journal_title：Biochemistry

authors： Brenner MD,Scanlan MS,Nahas MK,Ha T,Silverman SK

更新日期：2010-03-02 00:00:00

abstract：:The early redox events involved in iron reduction and mobilization in mammalian ferritin have been investigated by several techniques. Sedimentation velocity measurements of ferritin samples with altered core sizes, prepared by partial reduction and Fe2+ chelation, suggest two different events occur during iron loss f...

journal_title：Biochemistry

authors： Jacobs DL,Watt GD,Frankel RB,Papaefthymiou GC

更新日期：1989-02-21 00:00:00

abstract：:The molecular dynamics of binary dispersions of plasmenylcholine/cholesterol and phosphatidylcholine/cholesterol were quantified by electron spin resonance (ESR) and deuterium magnetic resonance (2H NMR) spectroscopy. The order parameter of both 5-doxylstearate (5DS) and 16-doxylstearate (16DS) was larger in vesicles ...

journal_title：Biochemistry

authors： Pak JH,Bork VP,Norberg RE,Creer MH,Wolf RA,Gross RW

更新日期：1987-07-28 00:00:00

abstract：:Reducing sugars such as glucose react nonenzymatically with protein amino groups to initiate a posttranslational modification process known as advanced glycosylation. Nucleotide bases also participate in advanced glycosylation reactions, producing DNA-linked advanced glycosylation endproducts (AGEs) that cause mutatio...

journal_title：Biochemistry

authors： Papoulis A,al-Abed Y,Bucala R

更新日期：1995-01-17 00:00:00

abstract：:Fibronectin is composed of multiple homologous repeats and contains many functional domains. Two major heparin-binding domains have previously been identified: the Hep I site near the amino terminus and the Hep II site near the carboxyl terminus. The Hep II site has been considered the high-affinity heparin-binding si...

journal_title：Biochemistry

authors： Lin H,Lal R,Clegg DO

更新日期：2000-03-28 00:00:00

abstract：:The interactions between rhodopsin molecules in a micellar detergent solution (octyl glucoside) and in reconstituted phospholipid vesicles were studied in the dark and after bleaching. Resonance energy transfer measurements were used to monitor the proximity between rhodopsin monomers conjugated with a fluorescent don...

journal_title：Biochemistry

authors： Borochov-Neori H,Fortes PA,Montal M

更新日期：1983-01-04 00:00:00

abstract：:Amyloid nucleation through agitation was studied with beta2-microglobulin, which is responsible for dialysis-related amyloidosis, in the presence of salt under acid and neutral pH conditions. First, the aggregation of beta2-microglobulin in NaCl solutions was achieved by mildly agitating for 24 h at 37 degrees C prote...

journal_title：Biochemistry

authors： Sasahara K,Yagi H,Sakai M,Naiki H,Goto Y

更新日期：2008-02-26 00:00:00

abstract：:Manganese peroxidase (MnP) is an extracellular heme enzyme that catalyzes the peroxide-dependent oxidation of Mn(II) to Mn(III). The Mn(III) is released from the enzyme in complex with oxalate. One heme propionate and the side chains of Glu35, Glu39, and Asp179 were identified as Mn(II) ligands in the 2.0 A resolution...

journal_title：Biochemistry

authors： Sundaramoorthy M,Youngs HL,Gold MH,Poulos TL

更新日期：2005-05-03 00:00:00

abstract：:The deacetylation of UDP-3-O-[(R)-3-hydroxymyristoyl]-N-acetylglucosamine (UDP-3-O-acyl-GlcNAc) by LpxC is the committed reaction of lipid A biosynthesis. CHIR-090, a novel N-aroyl-l-threonine hydroxamic acid, is a potent, slow, tight-binding inhibitor of the LpxC deacetylase from the hyperthermophile Aquifex aeolicus...

journal_title：Biochemistry

authors： Barb AW,McClerren AL,Snehelatha K,Reynolds CM,Zhou P,Raetz CR

更新日期：2007-03-27 00:00:00

abstract：:Many bacteria produce isonitrile-containing natural products that are derived from aromatic amino acids. The synthetic clusters that control biosynthesis most commonly encode two enzymes, designated PvcA and PvcB, as well as additional enzymes that direct synthesis of the natural product. The PvcA enzyme installs the ...

journal_title：Biochemistry

authors： Zhu J,Lippa GM,Gulick AM,Tipton PA

更新日期：2015-04-28 00:00:00

abstract：:Dendritic cell-specific intracellular adhesion molecule-3-grabbing nonintegrin (DC-SIGN) is a C-type lectin highly expressed on the surface of antigen-presenting dendritic cells. DC-SIGN mediates interactions among dendritic cells, pathogens, and a variety of epithelia, myeloid cells, and endothelia by binding to high...

journal_title：Biochemistry

authors： Pederson K,Mitchell DA,Prestegard JH

更新日期：2014-09-09 00:00:00

abstract：:In vitro transcription assays have been used to study the rate of ribonucleic acid (RNA) synthesis from the Escherichia coli lactose promotor mutant lacL8UV5 contained on a 203-bp (base pair) restriction fragment. The half-life of long (63-base) RNA production from heparin-resistant RNA polymerase-promotor complexes w...

journal_title：Biochemistry

authors： Munson LM,Reznikoff WS

更新日期：1981-04-14 00:00:00

abstract：:A short chain dehydrogenase like l-threonine 3-dehydrogenase (SDR-TDH) from metagenome data (mtTDH) was identified by database mining. Its enzymatic properties suggested that mtTDH has unique characteristics relative to other SDR-TDHs, including two mesophilic and thermophilic SDR-TDHs identified in this study. The ac...

journal_title：Biochemistry

authors： Motoyama T,Nakano S,Yamamoto Y,Tokiwa H,Asano Y,Ito S

更新日期：2017-10-31 00:00:00

abstract：:Chemical modification and proteolytic digestion studies have identified a transmembrane glutamic acid residue (E953) of the alpha subunit of the pig kidney Na, K-ATPase as a possible cation binding site [Goldshleger et al. (1992) Proc. Natl. Acad. Sci. U.S.A. 89, 6911-6915]. In addition, an adjacent glutamate (E954) i...

journal_title：Biochemistry

authors： Van Huysse JW,Jewell EA,Lingrel JB

更新日期：1993-01-26 00:00:00

abstract：:The structure of the specific phosphate binding loop (P-loop) of bovine protein tyrosine phosphatase (BPTP) is very similar to that present in high M(r) PTPases. Site-directed mutagenesis was used to explore the role of several conserved residues involved in forming the P-loop of BPTP. Thus, Ser-19 and Ser-43 were ind...

journal_title：Biochemistry

authors： Evans B,Tishmack PA,Pokalsky C,Zhang M,Van Etten RL

更新日期：1996-10-22 00:00:00

abstract：:The major carbohydrate fragment from the lipophosphoglycan of Leishmania donovani was generated by mild acid hydrolysis (0.02 N HCl, 5 min, 100 degrees C) and purified by chromatography on DE-52 cellulose and thin layer. By a combination of analyses including gas-liquid chromatography-mass spectrometry and 1H NMR, the...

journal_title：Biochemistry

authors： Turco SJ,Hull SR,Orlandi PA Jr,Shepherd SD,Homans SW,Dwek RA,Rademacher TW

更新日期：1987-09-22 00:00:00

abstract：:The Ca2+-ATPase of sarcoplasmic reticulum was purified and depleted of proteolipids by solubilization in Triton X-100 and by fractionation on a DE-52 column. The protein reconstituted by deoxycholate-cholate dialysis at low lipid to protein ratios (2-5 mg of lipid/mg of protein), with either dioleoylphosphatidylethano...

journal_title：Biochemistry

authors： Navarro J,Toivio-Kinnucan M,Racker E

更新日期：1984-01-03 00:00:00

abstract：:Cesium-133 NMR studies have been carried out on suspended human erythrocytes and on perfused rat hearts in media containing CsCl. The resulting spectra exhibit two sharp resonances, arising from intra- and extracellular Cs+, separated in chemical shift by 1.0-1.4 ppm. Thus, intra- and extracellular resonances are easi...

journal_title：Biochemistry

authors： Davis DG,Murphy E,London RE

更新日期：1988-05-17 00:00:00

abstract：:Locked nucleic acid (LNA) is a nucleic acid analogue containing one or more LNA nucleotide monomers with a bicyclic furanose unit locked in an RNA mimicking sugar conformation. LNA oligonucleotides display unprecedented hybridization affinity toward complementary single-stranded RNA and complementary single- or double...

journal_title：Biochemistry

authors： Vester B,Wengel J

更新日期：2004-10-26 00:00:00

abstract：:A ribonuclease was isolated from serum-free supernatants of the human colon adenocarcinoma cell line HT-29. It was purified by cation-exchange and C18 reversed-phase high-performance liquid chromatography. The protein is basic, has a molecular weight of approximately 16,000, and has an amino acid composition that is s...

journal_title：Biochemistry

authors： Shapiro R,Fett JW,Strydom DJ,Vallee BL

更新日期：1986-11-18 00:00:00

abstract：:By limited proteolysis of a type kappa immunoglobulin light chain (Oku) with clostripain, both the VL and CL fragments were obtained with a high yield. The unfolding and refolding by guanidine hydrochloride of light chain Oku and its VL and CL fragments were studied at pH 7.5 and 25 degrees C with circular dichroism a...

journal_title：Biochemistry

authors： Tsunenaga M,Goto Y,Kawata Y,Hamaguchi K

更新日期：1987-09-22 00:00:00

abstract：:Following a 1-h [3H]uridine pulse of cells of a human colon carcinoma line, 15% of the radioactivity in heterogeneous nuclear RNA associated with both chromatin and nuclear ribonucleoprotein was not digested to acid soluble fragments during a 2-h incubation with staphylococcal nuclease (EC 3.1.4.7). These [3H]uridine-...

journal_title：Biochemistry

authors： Augenlicht LH,McCormick M,Lipkin M

更新日期：1976-08-24 00:00:00

abstract：:Numerous studies have been published stressing the importance of finding ligands that can bind specifically to DNA secondary structures. Several have identified ligands that are presented as having specific binding to the G-quadruplex; however, these were not originally tested on the complementary i-motif structure. T...

journal_title：Biochemistry

authors： Abdelhamid MAS,Gates AJ,Waller ZAE

更新日期：2019-01-29 00:00:00