ATP-analogues as substrates for the leucyl-tRNA synthetase from Escherichia coli MRE 600.

abstract：:Ribosomal protein (rp)S5 belongs to the family of the highly conserved rp's that contains rpS7 from prokaryotes and rpS5 from eukaryotes. Alignment of rpS5/rpS7 from metazoans (Homo sapiens), fungi (Saccharomyces cerevisiae) and bacteria (Escherichia coli) shows that the proteins contain a conserved central/C-terminal...

journal_title：Nucleic acids research

authors： Lumsden T,Bentley AA,Beutler W,Ghosh A,Galkin O,Komar AA

更新日期：2010-03-01 00:00:00

abstract：:The transcription factor HIV-TF1, which binds to a region about 60 bp upstream from the enhancer of the human immunodeficiency virus-1 (HIV-1), was purified from human B cells. HIV-TF1 had a molecular weight of 39,000. Binding of HIV-TF1 to the HIV long terminal repeat (LTR) activated transcription from the HIV promot...

journal_title：Nucleic acids research

authors： Maekawa T,Sudo T,Kurimoto M,Ishii S

更新日期：1991-09-11 00:00:00

abstract：:We have studied the coil-to-helix transition of the DNA oligomer d(C4A4T4C4), using circular dichroism measurements to monitor the formation of A.T base pairs within the central self-complementary A4T4 region and the formation of protonated C.C+ base pairs at the ends of the oligomer. We found that both A.T and C.C+ b...

journal_title：Nucleic acids research

authors： Gray DM,Cui T,Ratliff RL

更新日期：1984-10-11 00:00:00

abstract：:Binding of the DnaA protein to oriC leads to DNA melting within the DNA unwinding element (DUE) and initiates replication of the bacterial chromosome. Helicobacter pylori oriC was previously identified as a region localized upstream of dnaA and containing a cluster of DnaA boxes bound by DnaA protein with a high affin...

journal_title：Nucleic acids research

authors： Donczew R,Weigel C,Lurz R,Zakrzewska-Czerwinska J,Zawilak-Pawlik A

更新日期：2012-10-01 00:00:00

abstract：:A hallmark of defense mechanisms based on clustered regularly interspaced short palindromic repeats (CRISPR) and associated sequences (Cas) are the crRNAs that guide these complexes in the destruction of invading DNA or RNA. Three separate CRISPR-Cas systems exist in the cyanobacterium Synechocystis sp. PCC 6803. Base...

journal_title：Nucleic acids research

authors： Reimann V,Alkhnbashi OS,Saunders SJ,Scholz I,Hein S,Backofen R,Hess WR

更新日期：2017-01-25 00:00:00

abstract：:The MyHits web site (http://myhits.isb-sib.ch) is an integrated service dedicated to the analysis of protein sequences. Since its first description in 2004, both the user interface and the back end of the server were improved. A number of tools (e.g. MAFFT, Jacop, Dotlet, Jalview, ESTScan) were added or updated to imp...

journal_title：Nucleic acids research

authors： Pagni M,Ioannidis V,Cerutti L,Zahn-Zabal M,Jongeneel CV,Hau J,Martin O,Kuznetsov D,Falquet L

更新日期：2007-07-01 00:00:00

abstract：:Chromatin immunoprecipitation (ChIP) has ushered in a new era of scientific discovery by allowing new insights into DNA-protein interactions. ChIP is used to quantify enriched genomic regions using qPCR, and more recently is combined with next generation sequencing (ChIP-seq) to obtain a genome wide profile of protein...

journal_title：Nucleic acids research

authors： Kurtenbach S,Reddy R,Harbour JW

更新日期：2019-01-08 00:00:00

abstract：:The three dimensional crystal structure of T5 5'-3' exonuclease was compared with that of two other members of the 5'-3' exonuclease family: T4 ribonuclease H and the N-terminal domain of Thermus aquaticus DNA polymerase I. Though these structures were largely similar, some regions of these enzymes show evidence of si...

journal_title：Nucleic acids research

authors： Artymiuk PJ,Ceska TA,Suck D,Sayers JR

更新日期：1997-11-01 00:00:00

abstract：:We have isolated the poly(A) polymerase (PAP) encoding gene pla1 [for poly(A) polymerase] from the fission yeast Schizosaccharomyces pombe. Protein sequence alignments with other poly(A) polymerases reveal that pla1 is more closely related to Saccharomyces cerevisiae PAP than to bovine PAP. The two yeast poly(A) polym...

journal_title：Nucleic acids research

authors： Ohnacker M,Minvielle-Sebastia L,Keller W

更新日期：1996-07-01 00:00:00

abstract：:Using a partially purified replication complex from tobacco chloroplasts, replication origins have been localized to minimal sequences of 82 (pKN8, positions 137 683-137 764) and 243 bp (pKN3, positions 130 513-130 755) for ori A and ori B respectively. Analysis of in vitro replication products by two-dimensional agar...

journal_title：Nucleic acids research

authors： Kunnimalaiyaan M,Nielsen BL

更新日期：1997-09-15 00:00:00

abstract：:Transcriptional repression of pathogen defense-related genes is essential for plant growth and development. Several proteins are known to be involved in the transcriptional regulation of plant defense responses. However, mechanisms by which expression of defense-related genes are regulated by repressor proteins are po...

journal_title：Nucleic acids research

authors： Kim HS,Park HC,Kim KE,Jung MS,Han HJ,Kim SH,Kwon YS,Bahk S,An J,Bae DW,Yun DJ,Kwak SS,Chung WS

更新日期：2012-10-01 00:00:00

abstract：:Well defined biomacromolecular patterns such as binding sites, catalytic sites, specific protein or nucleic acid sequences, etc. precisely modulate many important biological phenomena. We introduce PatternQuery, a web-based application designed for detection and fast extraction of such patterns. The application uses a...

journal_title：Nucleic acids research

authors： Sehnal D,Pravda L,Svobodová Vařeková R,Ionescu CM,Koča J

更新日期：2015-07-01 00:00:00

abstract：:enod40 is a plant gene that participates in the regulation of symbiotic interaction between leguminous plants and bacteria or fungi. Furthermore, it has been suggested to play a general role in non-symbiotic plant development. Although enod40 seems to have multiple functions, being present in many land plants, the mol...

journal_title：Nucleic acids research

authors： Gultyaev AP,Roussis A

更新日期：2007-01-01 00:00:00

abstract：:Genome-wide association studies often incorporate information from public biological databases in order to provide a biological reference for interpreting the results. The dbSNP database is an extensive source of information on single nucleotide polymorphisms (SNPs) for many different organisms, including humans. We h...

journal_title：Nucleic acids research

authors： Saccone SF,Quan J,Mehta G,Bolze R,Thomas P,Deelman E,Tischfield JA,Rice JP

更新日期：2011-01-01 00:00:00

abstract：:Genes from yeast to mammals are frequently subject to non-coding transcription of their antisense strand; however the genome-wide role for antisense transcription remains elusive. As transcription influences chromatin structure, we took a genome-wide approach to assess which chromatin features are associated with nasc...

journal_title：Nucleic acids research

authors： Murray SC,Haenni S,Howe FS,Fischl H,Chocian K,Nair A,Mellor J

更新日期：2015-09-18 00:00:00

abstract：:The Mouse Genome Database (MGD) (http://www.informatics.jax.org) one component of a community database resource for the laboratory mouse, a key model organism for interpreting the human genome and for understanding human biology. MGD strives to provide an extensively integrated information resource with experimental d...

journal_title：Nucleic acids research

authors： Blake JA,Richardson JE,Bult CJ,Kadin JA,Eppig JT,Mouse Genome Database Group.

更新日期：2003-01-01 00:00:00

abstract：:Chloroplast DNA, isolated from a synchronized culture of Chlamydomonas reinhardii, was digested with restriction endonucleases and examined in the electron microscope. Restriction fragments containing displacement loops (D-loop) were photographed and measured to determine the position of replicated sequences in relati...

journal_title：Nucleic acids research

authors： Waddell J,Wang XM,Wu M

更新日期：1984-05-11 00:00:00

abstract：:Structural Maintenance of Chromosomes (SMC) proteins are vital for a wide range of processes including chromosome structure and dynamics, gene regulation and DNA repair. Eukaryotes have three SMC complexes, consisting of heterodimeric pairs of six different SMC proteins along with several specific regulatory subunits....

journal_title：Nucleic acids research

authors： Griese JJ,Witte G,Hopfner KP

更新日期：2010-06-01 00:00:00

abstract：:The binding of transcription factors to specific regulatory sequence elements is a primary mechanism for controlling gene transcription. Eukaryotic genes are often regulated by several transcription factors whose binding sites are tightly clustered and form cis-regulatory modules. In this paper, we present a web serve...

journal_title：Nucleic acids research

authors： Sharan R,Ben-Hur A,Loots GG,Ovcharenko I

更新日期：2004-07-01 00:00:00

abstract：:Lambda-red system-based recombinogenic engineering is a powerful new method to engineer DNA without the need for restriction enzymes or ligases. Here, we report the use of a single selectable marker to enhance the usefulness of this approach. The strategy is to utilize the thymidylate synthase A (thyA) gene, which enc...

journal_title：Nucleic acids research

authors： Wong QN,Ng VC,Lin MC,Kung HF,Chan D,Huang JD

更新日期：2005-03-30 00:00:00

abstract：:Galahad (https://galahad.esat.kuleuven.be) is a web-based application for analysis of drug effects. It provides an intuitive interface to be used by anybody interested in leveraging microarray data to gain insights into the pharmacological effects of a drug, mainly identification of candidate targets, elucidation of m...

journal_title：Nucleic acids research

authors： Laenen G,Ardeshirdavani A,Moreau Y,Thorrez L

更新日期：2015-07-01 00:00:00

abstract：:The integrity and stability of nucleosomes under transcription assay conditions has been found to depend on concentration and ionic environment. Rifamycin AF/013, a commonly used inhibitor of initiation, is particularly effective in destabilisation of nucleosomes. Intact nucleosomes are refractory to transcription by ...

journal_title：Nucleic acids research

authors： Lilley DM,Jacobs MF,Houghton M

更新日期：1979-09-25 00:00:00

abstract：:We developed a sensitive 32P-postlabeling method for the detection of bifunctional intrastrand crosslinks d(Pt-GpG) and d(Pt-ApG) in DNA in vitro and in vivo. After enzymatic digestion of DNA the positively charged platinum adducts were purified from unplatinated products, using strong cation exchange chromatography. ...

journal_title：Nucleic acids research

authors： Blommaert FA,Saris CP

更新日期：1995-04-25 00:00:00

abstract：:We have isolated and characterized a S. pombe promoter using a functional heterologous gene product assay. Random S. pombe genomic fragments were cloned upstream from the promoterless 'lacZ gene and tested in vivo for their efficiency to promote expression of the beta-galactosidase protein in the fission yeast. An eff...

journal_title：Nucleic acids research

authors： Kudla B,Persuy MA,Gaillardin C,Heslot H

更新日期：1988-09-12 00:00:00

abstract：:P53-binding protein 1 (53BP1) mediates DNA repair pathway choice and promotes checkpoint activation. Chromatin marks induced by DNA double-strand breaks and recognized by 53BP1 enable focal accumulation of this multifunctional repair factor at damaged chromatin. Here, we unveil an additional level of regulation of 53B...

journal_title：Nucleic acids research

authors： Salvador Moreno N,Liu J,Haas KM,Parker LL,Chakraborty C,Kron SJ,Hodges K,Miller LD,Langefeld C,Robinson PJ,Lelièvre SA,Vidi PA

更新日期：2019-04-08 00:00:00

abstract：:CeR-2 RNA is one of the newly identified Caenorhabditis elegans noncoding RNAs (ncRNAs). The characterization of CeR-2 by RNomic studies has failed to classify it into any known ncRNA family. In this study, we examined the spatiotemporal expression patterns of CeR-2 to gain insight into its function. CeR-2 is expresse...

journal_title：Nucleic acids research

authors： Hokii Y,Sasano Y,Sato M,Sakamoto H,Sakata K,Shingai R,Taneda A,Oka S,Himeno H,Muto A,Fujiwara T,Ushida C

更新日期：2010-09-01 00:00:00

abstract：:The annotation of protein function has become a crucial problem with the advent of sequence and structural genomics initiatives. A large body of evidence suggests that protein structural information is frequently encoded in local sequences, and that folds are mainly made up of a number of simple local units of super-s...

journal_title：Nucleic acids research

authors： Espadaler J,Fernandez-Fuentes N,Hermoso A,Querol E,Aviles FX,Sternberg MJ,Oliva B

更新日期：2004-01-01 00:00:00

abstract：:DNA restriction fragments located 5' to the human c-myc gene display anomalous electrophoretic mobility on polyacrylamide gels. Computer modeling of the c-myc flanking DNA suggests that the slow-moving DNA fragments spanning nucleotides -1690 to -1054 (relative to c-myc promoter P1) and -718 to -452 form large left ha...

journal_title：Nucleic acids research

authors： Kumar S,Leffak M

更新日期：1989-04-11 00:00:00

abstract：:We previously constructed a multiribozyme expression vector by combining cis- and trans-acting ribozymes and we showed that several ribozymes, each directed against a different target in the HIV genome and acting independently in a 'shotgun' manner, markedly increased the efficiency of cleavage of HIV RNA in vitro [Oh...

journal_title：Nucleic acids research

authors： Yuyama N,Ohkawa J,Koguma T,Shirai M,Taira K

更新日期：1994-11-25 00:00:00

abstract：:Genome-wide association (GWA) studies to map genes for complex traits are powerful yet costly. DNA-pooling strategies have the potential to dramatically reduce the cost of GWA studies. Pooling using Affymetrix arrays has been proposed and used but the efficiency of these arrays has not been quantified. We compared and...

journal_title：Nucleic acids research

authors： Macgregor S,Zhao ZZ,Henders A,Nicholas MG,Montgomery GW,Visscher PM

更新日期：2008-04-01 00:00:00