A 5' UTR GGN repeat controls localisation and translation of a potassium leak channel mRNA through G-quadruplex formation.

abstract：:The TPA-inducible transcription factor AP-1, consisting of homo- or hetero-dimers of members of the Jun- and Fos-families, regulates transcription of a wide variety of genes containing the TPA response element (TRE). In P19 embryonal carcinoma (EC) cells, Jun D is the only component of AP-1 expressed, while in these c...

journal_title：Nucleic acids research

authors： den Hertog J,de Groot RP,de Laat SW,Kruijer W

更新日期：1992-01-11 00:00:00

abstract：:The swi4+ gene of Schizosaccharomyces pombe is involved in termination of copy-synthesis during mating-type switching. The gene was cloned by functional complementation of a swi4 mutant transformed with a genomic library. Determination of the nucleotide sequence revealed an open reading frame of 2979 nucleotides which...

journal_title：Nucleic acids research

authors： Fleck O,Michael H,Heim L

更新日期：1992-05-11 00:00:00

abstract：:An improved contact hybridization technique for the analysis of labelled RNA species is presented. The method combines high sensitivity of detection with the high resolution of polyacrylamide gel electrophoresis and should be especially useful for the characterization of transient RNA precursor molecules. Its applicat...

journal_title：Nucleic acids research

authors： Burckhardt J,Telford J,Birnstiel ML

更新日期：1979-07-11 00:00:00

abstract：:The C/D box scaRNA2 is predicted to guide specific 2'-O-methylation of U2 snRNA. In contrast to other SCARNA genes, SCARNA2 appears to be independently transcribed. By transient expression of SCARNA2-reporter gene constructs, we have demonstrated that this gene is transcribed by RNA polymerase II and that the promoter...

journal_title：Nucleic acids research

authors： Gérard MA,Myslinski E,Chylak N,Baudrey S,Krol A,Carbon P

更新日期：2010-01-01 00:00:00

abstract：:Mammalian gene promoters for transcription by RNA polymerase II are typically organized in the following order: upstream sequence motif(s)/TATA box/initiation site. Here we report studies in which the order, orientation and DNA sequences of these three elements are varied to determine how these affect polarity of tran...

journal_title：Nucleic acids research

authors： Xu LC,Thali M,Schaffner W

更新日期：1991-12-25 00:00:00

abstract：:The DNA topoisomerase from Agrobacterium tumefaciens has been purified to apparent homogeneity. The enzyme is a single polypeptide of about 100,000 in molecular weight. No apparent separation of the nicking and sealing activities could be obtained in attempts to separate the two activities by a variety of methods, inc...

journal_title：Nucleic acids research

authors： LeBon JM,Agarwal S,Chirikjian JG

更新日期：1981-02-25 00:00:00

abstract：:Achiral pseudonucleosides bearing an anthraquinone moiety have been incorporated into deoxyoligonucleotides in internal, 3' and 5' positions. The ability of these modified deoxyoligonucleotides to hybridize to complementary RNA and DNA was investigated using Tm measurements. The anthraquinone was shown to enhance bind...

journal_title：Nucleic acids research

authors： Lin KY,Matteucci M

更新日期：1991-06-11 00:00:00

abstract：:Inosine was prepared (15% yield) by treatment of 5-amino-1-beta-D-ribofuranosyl-4-imidazolecarboxamide (AICA-riboside) with chloroform in the presence of sodium methoxide. This ring closure can be reasonably explained by assuming the formation of dichlorocarbene from chloroform and alkali. Carbon tetrachloride or hexa...

journal_title：Nucleic acids research

authors： Okutsu M,Yamazaki A

更新日期：1976-01-01 00:00:00

abstract：:The PSI/TM-Coffee web server performs multiple sequence alignment (MSA) of proteins by combining homology extension with a consistency based alignment approach. Homology extension is performed with Position Specific Iterative (PSI) BLAST searches against a choice of redundant and non-redundant databases. The main nove...

journal_title：Nucleic acids research

authors： Floden EW,Tommaso PD,Chatzou M,Magis C,Notredame C,Chang JM

更新日期：2016-07-08 00:00:00

abstract：:Structural changes of reconstituted SV 40 minichromosomes have been studied in relation to the salt concentration and addition of histone H1 by sedimentation and electron microscopy. Sedimentation data are represented as functions of the NaCl concentration and the Debye-Hückel electrostatic screening radius 1/alpha. T...

journal_title：Nucleic acids research

authors： Böttger M,Scherneck S,von Mickwitz CU,Fenske H,Lindigkeit R

更新日期：1979-08-10 00:00:00

abstract：:Pairing of a given E3 ubiquitin ligase with different E2s allows synthesis of ubiquitin conjugates of different topologies. While this phenomenon contributes to functional diversity, it remains largely unknown how a single E3 ubiquitin ligase recognizes multiple E2s, and whether identical structural requirements deter...

journal_title：Nucleic acids research

authors： Lok GT,Sy SM,Dong SS,Ching YP,Tsao SW,Thomson TM,Huen MS

更新日期：2012-01-01 00:00:00

abstract：:We have sequenced the Escherichia coli grpE gene and shown that it encodes a 197-amino acid residue protein of 21,668-Mr. The predicted N-terminal amino acid sequence, as well as the overall amino acid composition agree well with that of the purified protein. From Northern analysis, we have shown that transcription of...

journal_title：Nucleic acids research

authors： Lipinska B,King J,Ang D,Georgopoulos C

更新日期：1988-08-11 00:00:00

abstract：:Several proteins that have substantially diverged during evolution retain similar three-dimensional structures and biological function inspite of poor sequence identity. The database on Genomic Distribution of protein structural domain Superfamilies (GenDiS) provides record for the distribution of 4001 protein domains...

journal_title：Nucleic acids research

authors： Pugalenthi G,Bhaduri A,Sowdhamini R

更新日期：2005-01-01 00:00:00

abstract：:Sexual differentiation in Drosophila is regulated through alternative splicing of doublesex. Female-specific splicing is activated through the activity of splicing enhancer complexes assembled on multiple repeat elements. Each of these repeats serves as a binding platform for the cooperative assembly of a heterotrimer...

journal_title：Nucleic acids research

authors： Sciabica KS,Hertel KJ

更新日期：2006-01-01 00:00:00

abstract：:The transcriptional activity of the p53 tumor suppressor protein is crucial for the regulation of cell growth, apoptosis and tumor progression. The first identified p53 relative, p73, was reported to be monoallelically expressed in normal tissues. In some tumors, loss of heterozygosity was associated with overexpressi...

journal_title：Nucleic acids research

authors： Vikhanskaya F,D'Incalci M,Broggini M

更新日期：2000-01-15 00:00:00

abstract：:A refined map for the linear arrangement of histones along DNA in nucleosomal core particles has been determined by DNA-protein crosslinking. On one strand of 145-bp core DNA, histones are aligned in the following order: (5') H2B25,35-H455,65-H375,85,95/H488-H2B105,11 5-H2A118-H3135,145/H2A145 (3') (the subscripts giv...

journal_title：Nucleic acids research

authors： Bavykin SG,Usachenko SI,Lishanskaya AI,Shick VV,Belyavsky AV,Undritsov IM,Strokov AA,Zalenskaya IA,Mirzabekov AD

更新日期：1985-05-24 00:00:00

abstract：:The cancer drug daunomycin is an effective inhibitor of the B leads to Z transition in poly d(G-C) in 4 M NaCl. Both the rate and extent of the B leads to Z transition are decreased by the drug, as judged by equilibrium and kinetic studies. Daunomycin can, under some conditions, convert Z form DNA back to B form. Drug...

journal_title：Nucleic acids research

authors： Chaires JB

更新日期：1983-12-10 00:00:00

abstract：:A total of 10 B-lymphocyte-specific DNase I hypersensitive sites located in the chicken Ig-beta locus were divided into four regions and combinations of deletions of these regions were carried out. A decrease in transcription of the Ig-beta gene to <3% was demonstrated in cells with deletions in all four regions. The ...

journal_title：Nucleic acids research

authors： Shimada N,Matsudo H,Osano K,Arakawa H,Buerstedde JM,Matsumoto Y,Chayahara K,Torihata A,Ono M

更新日期：2006-08-11 00:00:00

abstract：:Although subtelomeric regions in humans are heterochromatic, the epigenetic nature of human telomeres remains controversial. This controversy might have been influenced by the confounding effect of subtelomeric regions and interstitial telomeric sequences (ITSs) on telomeric chromatin structure analyses. In addition, ...

journal_title：Nucleic acids research

authors： Cubiles MD,Barroso S,Vaquero-Sedas MI,Enguix A,Aguilera A,Vega-Palas MA

更新日期：2018-03-16 00:00:00

abstract：:The sequence GCGCGCGCGC contains three overlapping, mutually exclusive, BssHII restriction sites, each corresponding to one of the three different reading frames. When inserted into a plasmid and digested with BssHII, the three sites in this sequence are cleaved at an approximate ratio of 2:1:2. Consequently, this sys...

journal_title：Nucleic acids research

authors： Orum H,Poulsen LK

更新日期：1989-04-25 00:00:00

abstract：:We have examined the absorption and circular dichroism spectra of intact Penicillium chrysogenum virus, empty capsid particles, and isolated double-stranded RNA. The absorbance at 260 nm of intact virus was less than 4% hypochromic relative to the absorbances of the free double-stranded RNA and free viral protein, ind...

journal_title：Nucleic acids research

authors： Edmondson SP,Gray DM

更新日期：1983-01-11 00:00:00

abstract：:Quantitative real-time PCR (qPCR) is the method of choice for specific and sensitive quantification of nucleic acids. However, data validation is still a major issue, partially due to the complex effect of PCR inhibition on the results. If undetected PCR inhibition may severely impair the accuracy and sensitivity of r...

journal_title：Nucleic acids research

authors： Bar T,Kubista M,Tichopad A

更新日期：2012-02-01 00:00:00

abstract：:We recently identified a region of preferential replication initiation, oriGNAI3, near the 3' end of the Chinese hamster GNAI3 gene. oriGNAI3 is co-amplified in mutants selected for AMPD2 amplification, a process generating chromosomal rearrangements. In this report we have taken advantage of cell lines with truncated...

journal_title：Nucleic acids research

authors： Toledo F,Lachagès AM,Mayau V,Debatisse M

更新日期：1999-04-01 00:00:00

abstract：:Recently, a cDNA from the hepatitis C virus (HCV) RNA genome has been isolated in the USA from a chronically infected chimpanzee. In order to isolate HCV cDNA derived from human material, RNA was extracted from plasma of a Japanese blood donor implicated in post-transfusion non-A, non-B hepatitis and HCV cDNA was synt...

journal_title：Nucleic acids research

authors： Kubo Y,Takeuchi K,Boonmar S,Katayama T,Choo QL,Kuo G,Weiner AJ,Bradley DW,Houghton M,Saito I

更新日期：1989-12-25 00:00:00

abstract：:The poly(A) signal and downstream elements with transcriptional pausing activity play an important role in termination of RNA polymerase II transcription. We show that an intronic sequence derived from the plant seed protein gene (AmA1) specifically acts as a transcriptional terminator in the fission yeast, Schizosacc...

journal_title：Nucleic acids research

authors： Chakraborty S,Sarmah B,Chakraborty N,Datta A

更新日期：2002-07-01 00:00:00

abstract：:The frequencies of each of the 257 468 complete protein coding sequences (CDSs) have been compiled from the taxonomical divisions of the GenBank DNA sequence database. The sum of the codons used by 8792 organisms has also been calculated. The data files can be obtained from the anonymous ftp sites of DDBJ, Kazusa and ...

journal_title：Nucleic acids research

authors： Nakamura Y,Gojobori T,Ikemura T

更新日期：2000-01-01 00:00:00

abstract：:The function of arginine, cysteine and carboxylic amino acid (glutamic and aspartic) residues of sigma was studied using chemical modification by group specific reagents. Following modification of 3 arginine residues with phenylglyoxal or 3 cysteine residues with N-ethylmaleimide (NEM) sigma activity was lost. Analysi...

journal_title：Nucleic acids research

authors： Narayanan CS,Krakow JS

更新日期：1983-05-11 00:00:00

abstract：:The hepatocyte nuclear factor (HNF)4alpha, a member of the nuclear receptor superfamily, regulates genes that play a critical role in embryogenesis and metabolism. Recent studies have shown that mutations in the human HNF4alpha gene cause a rare form of type 2 diabetes, maturity onset diabetes of the young (MODY1). To...

journal_title：Nucleic acids research

authors： Lausen J,Thomas H,Lemm I,Bulman M,Borgschulze M,Lingott A,Hattersley AT,Ryffel GU

更新日期：2000-01-15 00:00:00

abstract：:Synthetic DNA fragments were constructed to determine the effect of G tracts, in conjunction with periodically spaced A tracts, on DNA bends. Relative length measurements showed that the G tracts spaced at the half helical turn enhanced the DNA bend. When the G tract was interrupted with a thymine or shortened to one ...

journal_title：Nucleic acids research

authors： Milton DL,Casper ML,Wills NM,Gesteland RF

更新日期：1990-02-25 00:00:00

abstract：:The positive role of PARP1 in regulation of various nuclear DNA transactions is well established. Although a mitochondrial localization of PARP1 has been suggested, its role in the maintenance of the mitochondrial DNA is currently unknown. Here we investigated the role of PARP1 in the repair of the mitochondrial DNA i...

journal_title：Nucleic acids research

authors： Szczesny B,Brunyanszki A,Olah G,Mitra S,Szabo C

更新日期：2014-12-01 00:00:00