Abstract:
:Expression of structural proteins of human immunodeficiency virus type 1 requires the direct interaction of the viral Rev trans-activator with its cis-acting RNA target sequence, the Rev response element (RRE). The originally defined 234-residue RRE, however, failed to show the full HIV-1 regulator of virion expression (Rev) response when inserted into a test plasmid that lacked the flanking env sequences. Here, we demonstrate that an alternative 351-residue complete RRE, which carries an extended Stem I structure, is required for the full Rev-responsiveness in vivo. Mutagenesis studies revealed that the association of Rev with RRE was initiated by the recognition of a functional bubble structure in stem-loop II, followed by interaction with the neighbouring duplex RNA, including the elongated Stem I structure. We propose that, as has been previously shown in vitro, the Rev-RRE interaction in vivo is an ordered assembly process and is based on the association of Rev molecules with the double-stranded region of RRE.
journal_name
J Biochemjournal_title
Journal of biochemistryauthors
Kimura T,Ohyama Adoi
10.1093/oxfordjournals.jbchem.a124443subject
Has Abstractpub_date
1994-05-01 00:00:00pages
945-52issue
5eissn
0021-924Xissn
1756-2651journal_volume
115pub_type
杂志文章abstract::Two-dimensional gel electrophoresis using 0.5% agarose gel in the 1st dimension and 2-12% gradient polyacrylamide gel in the 2nd dimension succeeded in the isoelectrical focusing of connectin, a giant myofibrillar protein of approximately 3,000 kDa. Immunoblotting with an anti-connectin monoclonal antibody, SM1-36-2, ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a123232
更新日期:1990-10-01 00:00:00
abstract::When nuclei isolated from rat liver in a low salt buffer were washed with 0.1 M NaCl solution, the supernatant showed a deoxyribonuclease (DNase) activity. The activity required Mg2+ and in addition spermine or spermidine, and its optimal pH was 7.2-7.4. The activity was higher on denatured (single stranded) DNA than ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a131417
更新日期:1976-12-01 00:00:00
abstract::Chemical modifications by photooxidation in the presence of rose bengal (RB) and with tetranitromethane (TNM) were carried out to elucidate the amino acid residues involved in the active site of inorganic pyrophosphatase (pyrophosphate phosphohydrolase) [EC 3.6.1.1] from Escherichia coli Q13. The photooxidation caused...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a122344
更新日期:1988-05-01 00:00:00
abstract::The DNA-dependent protein kinase (DNA-PK) holoenzyme consists of a 470-kDa catalytic subunit (DNA-PKcs), a DNA-binding regulatory component known as Ku protein, and double-stranded DNA (dsDNA) with ends. We previously reported that the activity of DNA-PK in vitro is stimulated by non-histone chromosomal high mobility ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a022143
更新日期:1998-09-01 00:00:00
abstract::The DegS-DegU two-component regulatory system regulates many cellular events in Bacillus subtilis. Genes for DegSU constitutes an operon directed by the P1 promoter and downstream degU is autoregulated via the P3 promoter activated by phosphorylated DegU. In the Gram-positive bacteria, Spx plays a major role in the pr...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvu076
更新日期:2015-05-01 00:00:00
abstract::Aorta smooth muscle myosin contains two kinds of 17-kDa essential light chain, LC17nm (nonmuscle-type) and LC17gi (gizzard-type) [Hasegawa, Y., Ueda, Y., Watanabe, M., & Morita, F. (1992) J. Biochem. 111, 798-803]. The LC17 isoforms were released from porcine aorta myosin by incubation at 46 degrees C. The rate of rel...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a123840
更新日期:1992-06-01 00:00:00
abstract::The pH-activity curve of heavy meromyosin ATPase [EC 3.6.1.3] was measured at various temperatures. The pH-activity curve at higher temperatures showed a maximum at low pH and a minimum at pH 7 to 8 as has been already reported. At lower temperatures it was sigmoidal in shape, similar to a simple dissociation curve of...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a131458
更新日期:1977-02-01 00:00:00
abstract::Tetrahymena F-actin-binding protein, which induces bundling of Tetrahymena F-actin, was localized to a division furrow during cytokinesis. We report here the cloning and characterization of the gene and cDNA of a Tetrahymena F-actin-binding protein. The cDNA encodes a protein comprising 579 deduced amino acids with a ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a022587
更新日期:2000-01-01 00:00:00
abstract::Acid ceramidase (ACDase) metabolizes ceramide to sphingosine, leading to sphingosine 1-phosphate production. Reportedly, ACDase has been upregulated in prostate cancer. However, its regulatory mechanism remains unclear. LNCaP (androgen-sensitive prostate cancer cell line) but not PC3 and DU-145, (androgen-unresponsive...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvv039
更新日期:2015-10-01 00:00:00
abstract::1. The relation between intrinsic viscosity in 0.2 M NaCl and molecular weight for samples of chondroitin sulfate isolated from shark cartilage could be expressed by [eeta] = 6.5 X 10(-6) Mr114. 2. Their sedimentation coefficients were linear with respect to the square root of molecular weight, and the intercept was n...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a131956
更新日期:1978-03-01 00:00:00
abstract::An ultraviolet absorption difference spectrum characteristic of the ionization change of a tyrosyl residue was observed on the binding of subtilisin BPN' with Streptomyces subtilisin inhibitor (SSI) at alkaline pH. This difference spectrum was considered to be induced by a pKa shift (from 9.7 to > or = 11.5) of a tyro...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a124275
更新日期:1993-12-01 00:00:00
abstract::The fructose 2,6-bisphosphate concentrations in unwashed, washed, and leukocyte-free erythrocytes were compared. The concentration in washed red cells was 31 +/- 15 pmol per ml of cells (mean +/- S.D., n = 6). The concentration in unwashed erythrocytes was at least twofold higher, but the value in washed red cells was...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a122384
更新日期:1988-06-01 00:00:00
abstract::A contractile protein closely resembling natural actomyosin (myosin B) of rabbit skeletal muscle was extracted from plasmodia of the slime mold, Physarum polycephalum, by protecting the SH-groups with beta-mercaptoethanol or dithiothreitol. Superprecipitation of the protein induced by Mg2+-ATP at low ionic strength wa...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:
更新日期:1975-06-01 00:00:00
abstract::Gelatinase was extracted at 60 degrees C from the collagen fiber-rich fraction of granulation tissue induced by carrageenin in rats. A large part of the extracted gelatinase was unbound to Zn-chelating Sepharose. The unbound gelatinase gave a single band corresponding to a molecular mass of 57 kDa on SDS-substrate PAG...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a123227
更新日期:1990-09-01 00:00:00
abstract::A stroma-dependent B lymphoid cell line (B31-1) has been established by coculturing sorted stem cells on a novel bone marrow stromal cell line (TBR31-1). B31-1 cells express B220, but do not express other B lymphoid differentiation markers including CD43, heat stable antigen (HSA), or surface immunoglobulin (Ig) M (sI...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a022326
更新日期:1999-03-01 00:00:00
abstract::The vitamin A derivative, retinoic acid (RA) has various biological effects in mammalian cells and tissues. It is well known that RA induces differentiation of leukemia cells and inhibits cell growth. There are two pathways for RA action; one via RA nuclear receptors (RARs), and one via acylation of proteins by RA (re...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvn071
更新日期:2008-09-01 00:00:00
abstract::We purified an antimicrobial protein of 76 residues, denoted bovine antimicrobial protein-1 (BAMP-1), from fetal calf serum using hydrophobic chromatography, gel filtration, and reverse-phase high-performance liquid chromatography. The amino acid sequence of BAMP-1 was similar to that of human apolipoprotein A-II (apo...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a021990
更新日期:1998-04-01 00:00:00
abstract::Anti-cobrotoxin antibodies can be separated into precipitin and non-precipitin antibodies. The precipitin antibody possesses the same binding affinity to cobrotoxin as non-precipitin antibody, but the neutralizing capability of the latter is superior to that of the former in blocking cobrotoxin binding to nicotinic ac...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a124668
更新日期:1994-12-01 00:00:00
abstract::Pig heart phosphoprotein phosphatase [phosphoprotein phosphophydrolase, EC 3.1.3.16] of Mr 224,000 was dissociated by gel-filtration on Sephacryl S-300, into an active subunit (alpha subunit) of Mr 31,000 and inactive subunits of higher molecular weight in the presence of 6 M urea. After the removal of urea, these sub...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a133542
更新日期:1981-09-01 00:00:00
abstract::A simple and rapid preparation method for apoaspartate aminotransferase from Escherichia coli B was developed. A crude extract of the bacterial cells was treated batchwise with DEAE-cellulose. The enzyme fraction obtained was then applied to a pyridoxamine-Sepharose column. Apoaspartate aminotransferase was eluted wit...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a135371
更新日期:1985-10-01 00:00:00
abstract::We previously demonstrated that the gene for a member of the humoral C-type lectin family is transiently expressed in the regenerating legs of the American cockroach [Arai et al., Insect Biochem. Mol. Biol. 28, 987-994 (1998)]. To identify candidate lectin(s) involved in tail regeneration in the Xenopus laevis tadpole...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/jb/mvm048
更新日期:2007-04-01 00:00:00
abstract::Hemoglobin-vesicles (HbV) have been developed for use as artificial O(2) carriers in which a purified Hb solution is encapsulated within a phospholipid bilayer membrane. In this study, bovine Hb (BHb) was tested as a source of HbV instead of human Hb (HHb). We compared the preparation process and characteristics of BH...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a003141
更新日期:2002-04-01 00:00:00
abstract::Nitrate reductase (NaR) linked to reduced methyl viologen from Clostridium perfringens was purified by ammonium sulfate precipitation. DEAE-cellulose chromatography, disc electrophoresis on polyacrylamide gel, and triple DEAE-Sephadex chromatography. The specific activity was increased 1,200-fold with a yield of 9%. T...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a131862
更新日期:1977-12-01 00:00:00
abstract::p-Nitrophenyl O-6-deoxy-6-[(2-pyridyl)amino]-alpha-D-glucopyranosyl-(1----4)-O-alpha- D-glucopyranosyl-(1----4)-O-alpha-D-glucopyranosyl-(1----4)-O-alpha-D- glucopyranosyl-(1----4)-alpha-D-glucopyranoside (FG5P) is hydrolyzed by human pancreatic a-amylase (HPA) or salivary alpha-amylase (HSA) to O-6-deoxy-6-[(2-pyridy...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a121841
更新日期:1986-11-01 00:00:00
abstract::Rabbit skeletal muscle alpha-tropomyosin (Tm) and the deletion mutant (D234Tm) in which internal actin-binding pseudo-repeats 2, 3, and 4 are missing [Landis et al. (1997) J. Biol. Chem. 272, 14051-14056] were used to investigate the interaction between actin and tropomyosin or actin and troponin (Tn) by means of fluo...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a003116
更新日期:2002-03-01 00:00:00
abstract::We designed mutant lysozymes with N-glycosylation signal sequences (Asn48-Gly49-Thr-50 and Asn87-Ile88-Thr89) by substituting Asp to Asn at positions 48 and 87. When these mutant lysozymes were expressed by using yeast (Saccharomyces cerevisiae) in Burkholder minimum medium, N-glycosylation occurred in both lysozymes....
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a021201
更新日期:1996-01-01 00:00:00
abstract::Human liver cytosol contains multiple forms of 3 alpha-hydroxysteroid dehydrogenase and dihydrodiol dehydrogenase with hydroxysteroid dehydrogenase activity, and multiple cDNAs for the enzymes have been cloned from human liver cDNA libraries. To understand the relationship of the multiple enzyme froms to the genes, a ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a124904
更新日期:1995-08-01 00:00:00
abstract::The Basidiomycete ras gene possesses a pyrimidine-rich stretch (CT-motif) with a short (7 bases) mirror repeat in which its major transcription start point is contained. To analyze the tertiary structure induced by the CT/AG-biased sequence and its effect on gene expression in supercoiled plasmids in Escherichia coli,...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a021811
更新日期:1997-10-01 00:00:00
abstract::The second domain (R-020) of human urinary trypsin inhibitor (UTI) exerts similar inhibitory activities on trypsin, alpha-chymotrypsin, leukocyte elastase, and plasmin to those of UTI itself, and additionally inhibits coagulation factor Xa (FXa) and plasma kallikrein, on both of which UTI has no inhibitory effect. In ...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a124465
更新日期:1994-06-01 00:00:00
abstract::Chicken liver mitochondria contained two forms of phosphoenolpyruvate (PEP) carboxykinase (designated as Mt-I and Mt-II) and the chicken liver cytosol fraction contained three forms of PEP carboxykinase (designated as Sol-I, Sol-II, and Sol-III). Mt-I and Mt-II were purified to homogeneity. They both had a molecular w...
journal_title:Journal of biochemistry
pub_type: 杂志文章
doi:10.1093/oxfordjournals.jbchem.a133045
更新日期:1980-09-01 00:00:00