Small-angle neutron scattering study of Bence-Jones protein Mcg: comparison of structures in solution and in crystal.

abstract：:The paramagnetic enhancements in the NMR relaxation rates for the fluorine in fluorophthalates have been used to determine the position of the phthalate with respect to the mononuclear metal ion in native and metal-substituted derivatives of phthalate dioxygenase (PDO). These studies show directly that the substrate i...

journal_title：Biochemistry

authors： Tierney DL,Gassner GT,Luchinat C,Bertini I,Ballou DP,Penner-Hahn JE

更新日期：1999-08-24 00:00:00

abstract：:The secretion of lung surfactant in alveolar type II cells is a complex process involving the fusion of lamellar bodies with the plasma membrane. This process is somewhat different from the exocytosis of hormones and neurotransmitters. For example, it is a relatively slower process, and lamellar bodies are very large ...

journal_title：Biochemistry

authors： Abonyo BO,Gou D,Wang P,Narasaraju T,Wang Z,Liu L

更新日期：2004-03-30 00:00:00

abstract：:The formation of ternary complexes involving serine proteases, borate, and an alcohol has important implications for understanding the physiological actions of borate and for the development of tight binding inhibitors for this class of enzymes. Recent studies of a related enzyme, gamma-glutamyl transpeptidase, which ...

journal_title：Biochemistry

authors： London RE,Gabel SA

更新日期：2002-05-14 00:00:00

abstract：:Wheat germ ribosomes combine with the AUG codon at positions 30-32 from the 5' terminus of in vitro radioiodinated satellite tobacco necrosis virus (STNV) ribonucleic acid (RNA) to form initiation complexes that protect specific regions of the RNA from attack by ribonucleases. Wheat gern 80S ribosomes convey partial p...

journal_title：Biochemistry

authors： Browning KS,Leung DW,Clark JM Jr

更新日期：1980-05-13 00:00:00

abstract：:Trinucleotide repeat expansion diseases (TREDs) are correlated with elongation of CNG DNA and RNA repeats to pathological level. This paper shows, for the first time, complete data concerning thermodynamic stabilities of RNA with CNG trinucleotide repeats. Our studies include the stability of oligoribonucleotides comp...

journal_title：Biochemistry

authors： Broda M,Kierzek E,Gdaniec Z,Kulinski T,Kierzek R

更新日期：2005-08-16 00:00:00

abstract：:A new approach to studying membrane topology and permissive sites in membrane proteins expressed in Escherichia coli is described. The method is based on in vitro transposition of mini-Tn5 derivatives bearing dual pho-lac reporters [Alexeyev, M. F., and Winkler, H. H. (1999) J. Mol. Biol. 285, 1503-1513]. Two mini-Tn5...

journal_title：Biochemistry

authors： Alexeyev MF,Winkler HH

更新日期：2002-01-08 00:00:00

abstract：:The physicochemical and catalytic properties of thioredoxin-T' are described. This complemented protein structure consists of a 1:1 complex between the inactive fragments thioredoxin-T-(1--73) and thioredoxin T-(74--108). These are generated by selective trypsin cleavage at Arg-73 in lysine-modified and denatured Esch...

journal_title：Biochemistry

authors： Slabý I,Holmgren A

更新日期：1979-12-11 00:00:00

abstract：:A hallmark of penicillin-binding protein 2 (PBP2) from penicillin-resistant strains of Neisseria gonorrhoeae is insertion of an aspartate after position 345. The insertion resides on a loop near the active site and is immediately adjacent to an existing aspartate (Asp346) that forms a functionally important hydrogen b...

journal_title：Biochemistry

authors： Fedarovich A,Cook E,Tomberg J,Nicholas RA,Davies C

更新日期：2014-12-09 00:00:00

abstract：:Properties of the mycobacterial polymethylpolysaccharide-lipid complex have been investigated by fluorometric techniques. From the dissociation constant for the O-methyglucose polysaccharide-parinaric acid complex at 293 K, a Gibbs free energy (delta G degree) of -33.65 kJ/mol was obtained. The Kd decreased with incre...

journal_title：Biochemistry

authors： Kiho T,Ballou CE

更新日期：1988-07-26 00:00:00

abstract：:The propeptide binding/activation site on the vitamin K dependent carboxylase has been localized to a region of carboxylase between residues Arg +50 and Glu +225 by photoinactivation studies using [125I]tyrosyl-labeled benzoylphenylalanine (Bpa)-containing analogs of proFIX19, a peptide containing residues -18 to +1 o...

journal_title：Biochemistry

authors： Yamada M,Kuliopulos A,Nelson NP,Roth DA,Furie B,Furie BC,Walsh CT

更新日期：1995-01-17 00:00:00

abstract：:A 39/34-kilodalton (kDa) monomeric dispase fragment of von Willebrand factor (vWF) has been purified by heparin affinity chromatography. Detailed structural analysis of the individual 39- and 34-kDa fragments indicated that they had identical amino acid sequences extending from Leu-480/Val-481 to Gly-718 with an intra...

journal_title：Biochemistry

authors： Andrews RK,Gorman JJ,Booth WJ,Corino GL,Castaldi PA,Berndt MC

更新日期：1989-10-17 00:00:00

abstract：:Alpha-sarcin is an exquisitely specific ribonuclease that binds and cleaves a single phosphodiester bond in the large rRNA of the eukaryotic ribosome, inactivating it. To better understand this remarkable activity, the contributions of the active site residues (His 50, Glu 96, and His 137) to the conformational stabil...

journal_title：Biochemistry

authors： García-Mayoral MF,del Pozo AM,Campos-Olivas R,Gavilanes JG,Santoro J,Rico M,Laurents DV,Bruix M

更新日期：2006-11-21 00:00:00

abstract：:Exposure of mammalian cells (transformed mouse fibroblasts or rat hepatoma cells) to S-adenosyl-1,8-diamino-3-thiooctane produced profound changes in the intracellular polyamine content. Putrescine was increased and spermidine was decreased, consistent with the inhibition of spermidine synthase by this compound, which...

journal_title：Biochemistry

authors： Pegg AE,Tang KC,Coward JK

更新日期：1982-09-28 00:00:00

abstract：:The thermotropic behavior of 20 chemically related glycosphingolipids (GSLs) of high purity, containing neutral and anionic carbohydrate residues in their oligosaccharide chains, was studied by high-sensitivity differential scanning calorimetry. In general, the polar head group of GSLs appears to be one of the major d...

journal_title：Biochemistry

authors： Maggio B,Ariga T,Sturtevant JM,Yu RK

更新日期：1985-02-26 00:00:00

abstract：:The formation and role of arachidonic acid (AA) and its metabolites during gonadotropin releasing hormone- (GnRH-) induced gonadotropin secretion were investigated in primary cultures of rat pituitary cells. Prelabeled cells ([3H]AA) responded to GnRH challenge with increased formation (about 2-fold) of the leukotrien...

journal_title：Biochemistry

authors： Dan-Cohen H,Sofer Y,Schwartzman ML,Natarajan RD,Nadler JL,Naor Z

更新日期：1992-06-23 00:00:00

abstract：:We have used a photochemical method to map covalent binding sites of the carcinogen benzo[a]pyrenediol epoxide (BPDE) within DNA from the transcriptional control region of the chicken adult beta-globin gene. Our preliminary low-resolution mapping has demonstrated that this region contains highly preferred BPDE binding...

journal_title：Biochemistry

authors： Boles TC,Hogan ME

更新日期：1986-05-20 00:00:00

abstract：:NMR spectroscopy is particularly adept at site-specifically monitoring dynamic processes in proteins, such as protein folding, domain movements, ligand binding, and side-chain rotations. By coupling the favorable spectroscopic properties of highly dynamic side-chain methyl groups with transverse-relaxation-optimized s...

journal_title：Biochemistry

authors： Boswell ZK,Latham MP

更新日期：2019-01-22 00:00:00

abstract：:A positional-scanning combinatorial protocol was employed to optimize the deoxyribose-based cleavage of B-form DNA by Ni(II) x Xaa-Xaa-His metallopeptides. This procedure employed 18 naturally occurring amino acids (excluding Cys and Trp) to generate two libraries in which the first and second positions of the peptide...

journal_title：Biochemistry

authors： Huang X,Pieczko ME,Long EC

更新日期：1999-02-16 00:00:00

abstract：:Chicken histone H4, labeled separately at Met-84 with N-[[(iodoacetyl)amino]ethyl]-5-naphthylamine-1-sulfonic acid and 5-(iodoacetamido)fluorescein, was reassociated with unlabeled histones H2A, H2B, and H3 and 146 base pairs of DNA to produce fluorescently labeled nucleosomes having physical characteristics virtually...

journal_title：Biochemistry

authors： Chung DG,Lewis PN

更新日期：1986-09-09 00:00:00

abstract：:We have examined the competitive binding of oxygen and carbon monoxide to the multisubunit hemocyanin of the tarantula Eurypelma californicum. Employment of high-precision thin-layer methods has enabled detailed characterization of the pure oxygen and pure carbon monoxide binding curves, as well as binding curves perf...

journal_title：Biochemistry

authors： Decker H,Connelly PR,Robert CH,Gill SJ

更新日期：1988-09-06 00:00:00

abstract：:Guided by the X-ray structure analysis of a crystalline EcoRV-d(GGGATATCCC) complex (Winkler, in preparation), we have begun to identify functionally important amino acid residues of EcoRV. We show here that Asn70, Asp74, Ser183, Asn185, Thr186, and Asn188 are most likely involved in the binding and/or cleavage of the...

journal_title：Biochemistry

authors： Thielking V,Selent U,Köhler E,Wolfes H,Pieper U,Geiger R,Urbanke C,Winkler FK,Pingoud A

更新日期：1991-07-02 00:00:00

abstract：:In cytochrome c, the coordination of the axial Met Sδ atom to the heme Fe atom occurs in one of two distinctly different stereochemical manners, i.e., R and S configurations, depending upon which of the two lone pairs of the Sδ atom is involved in the bond; hence, the Fe-coordinated Sδ atom becomes a chiral center. In...

journal_title：Biochemistry

authors： Tai H,Tonegawa K,Shibata T,Hemmi H,Kobayashi N,Yamamoto Y

更新日期：2013-07-16 00:00:00

abstract：:Mutations in the gene encoding human ATP:cobalamin adenosyltransferase (hATR) can result in the metabolic disorder known as methylmalonic aciduria (MMA). This enzyme catalyzes the final step in the conversion of cyanocobalamin (vitamin B12) to the essential human cofactor adenosylcobalamin. Here we present the 2.5 A c...

journal_title：Biochemistry

authors： Schubert HL,Hill CP

更新日期：2006-12-26 00:00:00

abstract：:Activated receptors with a tyrosine kinase activity induce a variety of responses like changes in the differentiation and mitogenic status of cells. These responses are mediated in part by p21ras. Some of these activated receptors induce in certain cell types a pronounced, but transient, increase in Ras-GTP. We have s...

journal_title：Biochemistry

authors： Osterop AP,Medema RH,Ouwens DM,Van der Zon GC,Möller W,Maassen JA

更新日期：1994-06-14 00:00:00

abstract：:Although tryptophan synthase catalyzes a number of pyridoxal phosphate dependent beta-elimination and beta-replacement reactions that are also catalyzed by tryptophanase, a principal and puzzling difference between the two enzymes lies in the apparent inability of tryptophan synthase to catalyze beta-elimination of in...

journal_title：Biochemistry

authors： Ahmed SA,Martin B,Miles EW

更新日期：1986-07-29 00:00:00

abstract：:We obtained a novel carbohydrate-binding peptide having a helix-loop-helix scaffold from a random peptide library. The helix-loop-helix peptide library randomized at five amino acid residues was displayed on the major coat protein of a filamentous phage. Affinity selection with a ganglioside, Galbeta1-3GalNAcbeta1-4(N...

journal_title：Biochemistry

authors： Matsubara T,Iida M,Tsumuraya T,Fujii I,Sato T

更新日期：2008-07-01 00:00:00

abstract：:The azinomycins are a family of potent antitumor agents with the ability to form interstrand cross-links with DNA. This study reports on the unusual biosynthetic formation of the 5-methyl naphthoate moiety, which is essential for effective DNA association. While sequence analysis predicts that the polyketide synthase ...

journal_title：Biochemistry

authors： Mori S,Simkhada D,Zhang H,Erb MS,Zhang Y,Williams H,Fedoseyenko D,Russell WK,Kim D,Fleer N,Ealick SE,Watanabe CM

更新日期：2016-02-02 00:00:00

abstract：:Many proteins that are destined to reside within the lumen of the peroxisome contain the peroxisomal targeting signal-1 (PTS1), a C-terminal tripeptide approximating the consensus sequence -Ser-Lys-Leu-COO(-). The PTS1 is recognized by the tetratricopeptide repeat (TPR) domains of PEX5, a cytosolic receptor that cycle...

journal_title：Biochemistry

authors： Gatto GJ Jr,Maynard EL,Guerrerio AL,Geisbrecht BV,Gould SJ,Berg JM

更新日期：2003-02-18 00:00:00

abstract：:Molecular dynamics simulations of barnase have been conducted both in water and in 8 M urea solution for 500 ps at 25 degrees C and for 2000 ps at 85 degrees C. The final structure of the aqueous simulation at room temperature matches closely the structure obtained by NMR and the experimentally observed protections fr...

journal_title：Biochemistry

authors： Tirado-Rives J,Orozco M,Jorgensen WL

更新日期：1997-06-17 00:00:00

abstract：:The dissociation of the trypsin-sensitive basic tails of the core histones in core chromatin has been followed as a function of [NaCl] using proton NMR spectroscopy. The tails dissociate in a highly cooperative all or none manner over the salt concentration range 0.2-0.6 M, that is, below the salt concentration requir...

journal_title：Biochemistry

authors： Walker IO

更新日期：1984-11-06 00:00:00