Cholesterol modulates interaction between an amphipathic class A peptide, Ac-18A-NH2, and phosphatidylcholine bilayers.

abstract：:RNA covalently linked to double-stranded RNA (dsRNA) is preferentially degraded in extracts of interferon-treated HeLa cells [Nilsen, T. W., & Baglioni, C. (1979) Proc. Natl. Acad. Sci. U.S.A. 76, 2600-2604]. The size of the dsRNA required for this preferential degradation has been determined by annealing poly(I) of k...

journal_title：Biochemistry

authors： Nilsen TW,Weissman SG,Baglioni C

更新日期：1980-11-25 00:00:00

abstract：:The periplasmic nitrate reductase (NapAB), a member of the DMSO reductase superfamily, catalyzes the first step of the denitrification process in bacteria. In this heterodimer, a di-heme NapB subunit is associated to the catalytic NapA subunit that binds a [4Fe-4S] cluster and a bis(molybdopterin guanine dinucleotide)...

journal_title：Biochemistry

authors： Dementin S,Arnoux P,Frangioni B,Grosse S,Léger C,Burlat B,Guigliarelli B,Sabaty M,Pignol D

更新日期：2007-08-28 00:00:00

abstract：:The enzyme 3-deoxy-D-manno-octulosonic acid 8-phosphate synthase (EC 4.1. 2.16) (KDO 8-P synthase) that catalyzes the condensation of D-arabinose 5-phosphate (A 5-P) with phosphoenolpyruvate (PEP) to give 3-deoxy-D-manno-octulosonic acid 8-phosphate (KDO 8-P) and inorganic phosphate (Pi) was inactivated by the thiol-m...

journal_title：Biochemistry

authors： Salleh HM,Patel MA,Woodard RW

更新日期：1996-07-09 00:00:00

abstract：:Sequence-specific assignments of 1H NMR resonances are obtained for the backbone protons of Escherichia coli acyl carrier protein, acylated with an eight-carbon chain covalently attached to the prosthetic group thiol (octanoyl-ACP). Comparison of 1H-1H sequential connectivities in the NOESY spectra of octanoyl-ACP and...

journal_title：Biochemistry

authors： Jones PJ,Holak TA,Prestegard JH

更新日期：1987-06-16 00:00:00

abstract：:The amino acid sequence of the sex steroid binding protein (SBP) from human plasma has been determined. The SBP subunit consists of a 373-residue polypeptide chain containing two disulfide bonds and three oligosaccharide chains. The sequence was solved primarily by analysis of peptides derived by cleavage at either ly...

journal_title：Biochemistry

authors： Walsh KA,Titani K,Takio K,Kumar S,Hayes R,Petra PH

更新日期：1986-11-18 00:00:00

abstract：:A method for the rapid and quantitative analysis of 5'-terminal oligonucleotides of RNAs made in vitro is described. The method involves synthesis of RNA in the presence of [gamma-32P]ATP or GTP, isolation of the RNA, and digestion with T1 or pancreatic ribonucleases to release labeled 5'-triphosphate termanated oligo...

journal_title：Biochemistry

authors： Miller JS,Burgess RR

更新日期：1978-05-30 00:00:00

abstract：:Cathepsin L, a lysosomal cysteine protease, is overexpressed and secreted by malignantly transformed cells. However, the reason for secretion of this man 6-phosphate-containing lysosomal protease into the extracellular medium is not clear. We wished to determine whether there is a region within the primary sequence of...

journal_title：Biochemistry

authors： Chauhan SS,Ray D,Kane SE,Willingham MC,Gottesman MM

更新日期：1998-06-09 00:00:00

abstract：:Myelin basic protein (MBP) binds to negatively charged lipids on the cytosolic surface of oligodendrocyte membranes and is most likely responsible for adhesion of these surfaces in the multilayered myelin sheath. It can also polymerize actin, bundle F-actin filaments, and bind actin filaments to lipid bilayers through...

journal_title：Biochemistry

authors： Boggs JM,Rangaraj G,Gao W,Heng YM

更新日期：2006-01-17 00:00:00

abstract：:The effect of tropomyosin alone on the binding of myosin subfragment 1 (S-1) to actin was compared to that of troponin-tropomyosin, with and without Ca2+. Over a range of ionic strength and with different ligands (adenyl-5'-yl imidodiphosphate, pyrophosphate, and adenosine 5'-diphosphate), tropomyosin confers slight c...

journal_title：Biochemistry

authors： Williams DL Jr,Greene LE

更新日期：1983-05-24 00:00:00

abstract：:The nontransformed steroid receptors contain several non-steroid binding proteins, such as hsp90, hsp70, and p59. Recently, we and others have shown that p59 (FKBP59) is an immunophilin which binds two potent immunosuppressants, FK506 and rapamycin. This raises the possibility that FK506 or rapamycin may modify the fu...

journal_title：Biochemistry

authors： Tai PK,Albers MW,McDonnell DP,Chang H,Schreiber SL,Faber LE

更新日期：1994-09-06 00:00:00

abstract：:The third intracellular loop (IL3) of G protein-coupled receptors (GPCRs) is an important contact domain between GPCRs and their G proteins. Previously, the IL3 of Ste2p, a Saccharomyces cerevisiae GPCR, was suggested to undergo a conformational change upon activation as detected by differential protease susceptibilit...

journal_title：Biochemistry

authors： Umanah GK,Huang LY,Maccarone JM,Naider F,Becker JM

更新日期：2011-08-16 00:00:00

abstract：:Polyphosphate glucokinase from Mycobacterium tuberculosis catalyzes the phosphorylation of glucose using inorganic polyphosphates [poly(P)] or ATP. The steady-state kinetic mechanisms of the poly(P)- and ATP-dependent glucokinase reactions were investigated using initial velocity, product inhibition, and dead-end inhi...

journal_title：Biochemistry

authors： Hsieh PC,Kowalczyk TH,Phillips NF

更新日期：1996-07-30 00:00:00

abstract：:Control of protein phosphatases is now understood to depend on binding to a variety of regulatory or targeting subunits to form holoenzymes with restricted localization and substrate specificity. In addition, the catalytic subunits of both type-1 and type-2 phosphatases bind specific inhibitor proteins. Here, we repor...

journal_title：Biochemistry

authors： Eto M,Karginov A,Brautigan DL

更新日期：1999-12-21 00:00:00

abstract：:Endogenous protein kinase inhibitors are essential for a wide range of physiological functions. These endogenous inhibitors may mimic peptide substrates as in the case of the heat-stable protein kinase inhibitor (PKI), or they may mimic nucleotide triphosphates. Natural product inhibitors, endogenous to the unique org...

journal_title：Biochemistry

authors： Narayana N,Diller TC,Koide K,Bunnage ME,Nicolaou KC,Brunton LL,Xuong NH,Ten Eyck LF,Taylor SS

更新日期：1999-02-23 00:00:00

abstract：:Stopped-flow experiments obtained in the pre-steady-state time scale of the NAD-malic enzyme reaction exhibit a lag prior to the attainment of steady state. Previous results from isotope effect studies in which the deuterium isotope effect on Vmax decreases to a value of 1 at low pH have been interpreted as suggesting...

journal_title：Biochemistry

authors： Rajapaksa R,Abu-Soud H,Raushel FM,Harris BG,Cook PF

更新日期：1993-03-02 00:00:00

abstract：:Thromboxane A(2) receptor (TP receptor), a prostanoid receptor, belongs to the G protein-coupled receptor family, composed of three intracellular loops and three extracellular loops connecting seven transmembrane helices. The highly conserved extracellular domains of the prostanoid receptors were found in the second e...

journal_title：Biochemistry

authors： Ruan KH,So SP,Wu J,Li D,Huang A,Kung J

更新日期：2001-01-09 00:00:00

abstract：:Chemosensory cilia isolated from the olfactory epithelium of Rana catesbeiana were solubilized with Lubrol PX in the presence of supplementary lipid, forskolin, and sodium fluoride. Subsequent removal of the detergent by adsorption onto Biobeads SM2 results in the formation of proteoliposomes that display forskolin- a...

journal_title：Biochemistry

authors： Anholt RR

更新日期：1988-08-23 00:00:00

abstract：:Interconversion of protein conformations is imperative to function, as evidenced by conformational changes associated with enzyme catalytic cycles, ligand binding and post-translational modifications. In this study, we used 15N NMR relaxation experiments to probe the fast (i.e., ps-ns) and slow (i.e., micros-ms) confo...

journal_title：Biochemistry

authors： Henkels CH,Chang YC,Chamberlin SI,Oas TG

更新日期：2007-12-25 00:00:00

abstract：:SecA-lipid interactions are believed to be important for the translocation of precursor proteins across the inner membrane of Escherichia coli [Lill, R., Dowhan, W., & Wickner, W. (1990) Cell 60, 271-280]. SecA insertion into the phospholipid bilayer could a role in this process. We investigated this possibility by st...

journal_title：Biochemistry

authors： Breukink E,Demel RA,de Korte-Kool G,de Kruijff B

更新日期：1992-02-04 00:00:00

abstract：:The cyclic decapeptide antibiotic tyrocidine A was studied by two relatively new methods, viz., correlation proton magnetic resonance (pmr) spectroscopy and double-resonance difference pmr spectroscopy. The correlation method of spectral accumulation provided pmr spectra of good resolution, and in addition the signal-...

journal_title：Biochemistry

authors： Gibbons WA,Beyer CF,Dadok J,Sprecher RF,Wyssbrod HR

更新日期：1975-01-28 00:00:00

abstract：:To study the effects of methylation damage on DNA replication in vitro, the plasmid pSVori containing the SV40 origin of replication was reacted with N-methyl-N-nitrosourea and used as a substrate for SV40 T antigen dependent replication by HeLa cell extracts. The plasmid was methylated with a range of N-methyl-N-nitr...

journal_title：Biochemistry

authors： Ceccotti S,Dogliotti E,Gannon J,Karran P,Bignami M

更新日期：1993-12-14 00:00:00

abstract：:The homogeneous, single-walled phosphatidylcholine-cholesterol mixed vesicles were prepared by ultrasonic irradiation of egg phosphatidylcholine in the presence of various amounts of cholesterol in solution at 4 degrees under a nitrogen atmosphere followed by molecular sieve chromatography on a Sepharose 4B column. Ph...

journal_title：Biochemistry

authors： Newman GC,Huang C

更新日期：1975-07-29 00:00:00

abstract：:Multisite mutagenesis of single-chain and monomeric forms of human interleukin 5 (IL-5) was performed to investigate mechanistic features of receptor activation and the possibility of differentiating sites of activation from those for receptor interaction. The normally dimeric human IL-5 contains two domains, each con...

journal_title：Biochemistry

authors： Plugariu CG,Wu SJ,Zhang W,Chaiken I

更新日期：2000-12-05 00:00:00

abstract：:Transcarboxylase is made up of a central hexameric subunit (S20,W similar 12 S), three peripheral dimeric metallo subunits (S20,W similar to 5 S), and six biotinyl carboxyl carrier subunits (S20,W similar to 1.3 S). The results presented here show that the carboxyl carrier subunit is required for assembly of the 12S a...

journal_title：Biochemistry

authors： Ahmad F,Jacobson B,Chuang M,Brattin W,Wood HG

更新日期：1975-04-22 00:00:00

abstract：:The fibrillation of misfolded neurodegenerative disease-related proteins has been extensively studied over the past few decades, but the initial oligomerization has been rarely examined even though some recent evidence indicated that small protein oligomers are more neurotoxic than long protein fibers. It is rather di...

journal_title：Biochemistry

authors： Wang Y,Wu C

更新日期：2017-12-19 00:00:00

abstract：:Two terminally blocked peptides, acetylAETAAAKFLRQHMamide and acetylAETSSSRYLRQHMamide, were obtained by solid-phase synthesis, purified by reversed-phase chromatography, and characterized by fast atom bombardment mass spectrometry. Both peptides were soluble in aqueous solutions and remained monomeric over the concen...

journal_title：Biochemistry

authors： Merutka G,Stellwagen E

更新日期：1989-01-10 00:00:00

abstract：:An S3 electron paramagnetic resonance (EPR) signal is observed in a variety of photosystem 2 (PS2) samples in which the oxygen-evolving complex (OEC) has been inhibited. These signals have been proposed to be due to an interaction, S2X+, between the manganese cluster in an oxidation state equivalent to S2 and an organ...

journal_title：Biochemistry

authors： MacLachlan DJ,Nugent JH

更新日期：1993-09-21 00:00:00

abstract：:A dark state tertiary structure in the cytoplasmic domain of rhodopsin is presumed to be the key to the restriction of binding of transducin and rhodopsin kinase to rhodopsin. Upon light-activation, this tertiary structure undergoes a conformational change to form a new structure, which is recognized by the above prot...

journal_title：Biochemistry

authors： Klein-Seetharaman J,Hwa J,Cai K,Altenbach C,Hubbell WL,Khorana HG

更新日期：2001-10-23 00:00:00

abstract：:By use of six highly purified exoglycosidases with well-defined specificity, the oligosaccharide units of human plasma beta 2-glycoprotein I (beta 2I) were modified by sequential enzymatic degradation. The released monosaccharides (NeuAc, Gal, GlcNAc, and Man) were quantified, and the carbohydrate compositions of the ...

journal_title：Biochemistry

authors： Walsh MT,Watzlawick H,Putnam FW,Schmid K,Brossmer R

更新日期：1990-07-03 00:00:00

abstract：:The binding to rat brain synaptosomes of a beta-scorpion toxin, i.e., toxin II of Centruroides suffusus suffusus (Css II), was studied as a function of pH, temperature, and concentration of some monovalent and divalent cations. At 10 degrees C and pH 6.0, the specific binding of 125I-labeled Css II corresponds to a si...

journal_title：Biochemistry

authors： Jover E,Bablito J,Couraud F

更新日期：1984-03-13 00:00:00