The open state of human topoisomerase I as probed by molecular dynamics simulation.

abstract：:The multifunctional RNA-dependent RNA polymerase L protein of vesicular stomatitis virus catalyzes unconventional pre-mRNA capping via the covalent enzyme-pRNA intermediate formation, which requires the histidine-arginine (HR) motif in the polyribonucleotidyltransferase domain. Here, the effects of cap-defective mutat...

journal_title：Nucleic acids research

authors： Ogino T

更新日期：2014-10-29 00:00:00

abstract：:We have studied the effects of the nucleotide analogue, 2',3'-dideoxythymidine-5'-triphosphate (ddTTP) on replicative DNA synthesis in HeLa cell lysates. As previously demonstrated (1), such lysates carry out extensive DNA synthesis in vitro, at rates and in a fashion similar to in vivo DNA replication. We report here...

journal_title：Nucleic acids research

authors： Waqar MA,Evans MJ,Huberman JA

更新日期：1978-06-01 00:00:00

abstract：:We have previously shown that integration of a polyoma vector containing rodent repetitive elements into rat cellular DNA is non-random (Wallenburg et al. J. Virol. 50: 678-683). Junctions between the polyoma vector and the host DNA occur in the repetitive sequences of the vector about ten times more frequently than w...

journal_title：Nucleic acids research

authors： Wallenburg JC,Nepveu A,Chartrand P

更新日期：1987-10-12 00:00:00

abstract：:Elastic network models (ENMs) are valuable and efficient tools for characterizing the collective internal dynamics of proteins based on the knowledge of their native structures. The increasing evidence that the biological functionality of RNAs is often linked to their innate internal motions poses the question of whet...

journal_title：Nucleic acids research

authors： Pinamonti G,Bottaro S,Micheletti C,Bussi G

更新日期：2015-09-03 00:00:00

abstract：:We describe a versatile and extensible integrated bioinformatics toolkit for the analysis of biological sequences over the Internet. The web portal offers convenient interactive access to a growing pool of chainable bioinformatics software tools and databases that are centrally installed and maintained by the RZG. Cur...

journal_title：Nucleic acids research

authors： Rampp M,Soddemann T,Lederer H

更新日期：2006-07-01 00:00:00

abstract：:An adequate supply of nucleotides is essential for DNA replication and DNA repair. Moreover, inhibition of TTP synthesis can cause cell death by a poorly characterized mechanism called thymine-less death. In the yeast Saccharomyces cerevisiae, the genes encoding thymidylate synthetase (CDC21) and thymidylate kinase (C...

journal_title：Nucleic acids research

authors： Toussaint M,Dionne I,Wellinger RJ

更新日期：2005-01-28 00:00:00

abstract：:There are a few algorithms designed to solve the problem of the optimal alignment of one sequence, the pattern, of length m, with another, longer sequence the text, of length n. These algorithms allow mismatches, deletions and insertions. Algorithms to date run in O(mn) time. Let us define an integer, k, which is the ...

journal_title：Nucleic acids research

authors： Landau GM,Vishkin U,Nussinov R

更新日期：1986-01-10 00:00:00

abstract：:We have constructed a complete, five-enzyme restriction map of the genome of the archaeon Halobacterium sp. GRB, based on a set of 84 overlapping cosmid clones. Fewer than 30 kbp, in three gaps, remain uncloned. The genome consists of five replicons: a chromosome (2038 kbp) and four plasmids (305, 90, 37, and 1.8 kbp)...

journal_title：Nucleic acids research

authors： St Jean A,Trieselmann BA,Charlebois RL

更新日期：1994-04-25 00:00:00

abstract：:A novel cytoplasmic gene expression system has been developed. This system differs from other expression systems in that it relies on the co-delivery of plasmid DNA and T7 RNA polymerase (RNAP) during transfection. The plasmid contains a T7 RNAP gene driven by the T7 promoter (T7 autogene) and a functional/reporter ge...

journal_title：Nucleic acids research

authors： Chen X,Li Y,Xiong K,Wagner TE

更新日期：1994-06-11 00:00:00

abstract：:TP63, a member of the p53 gene family gene, encodes the ΔNp63 protein and is one of the most frequently amplified genes in squamous cell carcinomas (SCC) of the head and neck (HNSCC) and lungs (LUSC). Using an epiallelic series of siRNAs with intrinsically different knockdown abilities, we show that the complete loss ...

journal_title：Nucleic acids research

authors： Bretz AC,Gittler MP,Charles JP,Gremke N,Eckhardt I,Mernberger M,Mandic R,Thomale J,Nist A,Wanzel M,Stiewe T

更新日期：2016-04-20 00:00:00

abstract：:Metabolite-responsive RNA pseudoknots derived from prokaryotic riboswitches have been shown to stimulate -1 programmed ribosomal frameshifting (PRF), suggesting -1 PRF as a promising gene expression platform to extend riboswitch applications in higher eukaryotes. However, its general application has been hampered by d...

journal_title：Nucleic acids research

authors： Lin YH,Chang KY

更新日期：2016-10-14 00:00:00

abstract：:The paper presents measurements of the difference in the melting temperature of a colE1 DNA region when it is located inside the DNA helix and at its end. A direct comparison of calculations based on the rigorous theory of helix-coil transition with experimental data for .2 M Na+ (the conditions for fully reversible m...

journal_title：Nucleic acids research

authors： Amirikyan BR,Vologodskii AV,Lyubchenko YuL

更新日期：1981-10-24 00:00:00

abstract：:Recent studies have employed cross-species comparisons of transcription factor binding, reporting significant regulatory network 'rewiring' between species. Here, we address how a transcriptional repressor targets and regulates neural genes differentially between human and mouse embryonic stem cells (ESCs). We find th...

journal_title：Nucleic acids research

authors： Rockowitz S,Zheng D

更新日期：2015-07-13 00:00:00

abstract：:The 3'-untranslated region (UTR) of tobacco mosaic virus (TMV), which terminates in a tRNA-like structure, functionally substitutes for a poly(A) tail in both plant and animal cells. The addition of the TMV 3'-UTR to chimeric mRNA constructs increases their expression up to 100-fold, increasing both translational effi...

journal_title：Nucleic acids research

authors： Gallie DR,Feder JN,Schimke RT,Walbot V

更新日期：1991-09-25 00:00:00

abstract：:Detailed models are presented for the triple-stranded polynucleotide helices of poly (U)-poly (A)-poly (U) (two forms), poly (U)-poly d (A) -poly (U), poly d(C)-poly d(I)-poly d(C), poly d(T)-polyd(A)-poly d(T) and poly (I)-poly (A)-poly (I). The models were genrated using a computerized, linked-atom procedure which p...

journal_title：Nucleic acids research

authors： Arnott S,Bond PJ,Selsing E,Smith PJ

更新日期：1976-10-01 00:00:00

abstract：:As a trial practical application, we have applied optimized microfabricated electrophoresis devices, combined with enzymatic mutation detection methods, to the determination of single nucleotide polymorphism (SNP) sites in the p53 suppressor gene. Using clinical samples, we have achieved robust assays with quality fac...

journal_title：Nucleic acids research

authors： Schmalzing D,Belenky A,Novotny MA,Koutny L,Salas-Solano O,El-Difrawy S,Adourian A,Matsudaira P,Ehrlich D

更新日期：2000-05-01 00:00:00

abstract：:Archaeal family-B DNA polymerases bind tightly to deaminated bases and stall replication on encountering uracil in template strands, four bases ahead of the primer-template junction. Should the polymerase progress further towards the uracil, for example, to position uracil only two bases in front of the junction, 3'-5...

journal_title：Nucleic acids research

authors： Richardson TT,Wu X,Keith BJ,Heslop P,Jones AC,Connolly BA

更新日期：2013-02-01 00:00:00

abstract：:The initiation region of the MS2 replicase cistron can be isolated as a fragment 59 bases in length protected from RNAase by the binding of the coat protein which serves as a translational repressor. This fragment MS2 R(-53 leads to 6) starts 53 bases before the initiation codon and retains full activity in binding ri...

journal_title：Nucleic acids research

authors： Borisova GP,Volkova TM,Berzin V,Rosenthal G,Gren EJ

更新日期：1979-01-01 00:00:00

abstract：:Restarting stalled replication forks is vital to avoid fatal replication errors. Previously, it was demonstrated that hydroxyurea-stalled replication forks rescue replication either by an active restart mechanism or by new origin firing. To our surprise, using the DNA fibre assay, we only detect a slightly reduced for...

journal_title：Nucleic acids research

authors： Elvers I,Johansson F,Groth P,Erixon K,Helleday T

更新日期：2011-09-01 00:00:00

abstract：:The European Nucleotide Archive (ENA; https://www.ebi.ac.uk/ena), provided from EMBL-EBI, has for more than three decades been responsible for archiving the world's public sequencing data and presenting this important resource to the scientific community to support and accelerate the global research effort. Here, we o...

journal_title：Nucleic acids research

authors： Harrison PW,Alako B,Amid C,Cerdeño-Tárraga A,Cleland I,Holt S,Hussein A,Jayathilaka S,Kay S,Keane T,Leinonen R,Liu X,Martínez-Villacorta J,Milano A,Pakseresht N,Rajan J,Reddy K,Richards E,Rosello M,Silvester N,Smi

更新日期：2019-01-08 00:00:00

abstract：:Antisense oligodeoxynucleotides (ODNs) have biological activity in treating various forms of cancer. The antisense effects of two types of 20mer ODNs, phosphorothioate-modified ODNs (S-ODNs) and S-ODNs with 12 2'-O-methyl groups (Me-S-ODNs), targeted to sites 109 and 277 of bcl-2 mRNA, were compared. Both types were a...

journal_title：Nucleic acids research

authors： Yoo BH,Bochkareva E,Bochkarev A,Mou TC,Gray DM

更新日期：2004-04-02 00:00:00

abstract：:We identify a novel activity of the RarA (also MgsA) protein of Escherichia coli, demonstrating that this protein functions at DNA ends to generate flaps. A AAA+ ATPase in the clamp loader clade, RarA protein is part of a highly conserved family of DNA metabolism proteins. We demonstrate that RarA binds to double-stra...

journal_title：Nucleic acids research

authors： Stanage TH,Page AN,Cox MM

更新日期：2017-03-17 00:00:00

abstract：:In the last decade polycistronic vectors have become essential tools for both basic science and gene therapy applications. In order to co-express heterologous polypeptides, different systems have been developed from Internal Ribosome Entry Site (IRES) based vectors to the use of the 2A peptide. Unfortunately, these me...

journal_title：Nucleic acids research

authors： Fallot S,Ben Naya R,Hieblot C,Mondon P,Lacazette E,Bouayadi K,Kharrat A,Touriol C,Prats H

更新日期：2009-11-01 00:00:00

abstract：:The repetitive fraction of the genome of the eukaryotic slime mould Physarum polycephalum is dominated by the Tp1 family of highly repetitive retrotransposon-like sequences. Tp1 elements consist of two terminal direct repeats of 277bp which flank an internal domain of 8.3kb. They are the major sequence component in th...

journal_title：Nucleic acids research

authors： Rothnie HM,McCurrach KJ,Glover LA,Hardman N

更新日期：1991-01-25 00:00:00

abstract：:The gene for the thymidine kinase (TK) of Herpes simplex virus type 1 (HSV-1) is located in the KpnI m and BamHI p fragments of the genome (Wigler et al., Cell 11, 223-232 (1977)). These fragments have been inserted into the EcoRI and BamHI sites, respectively, of plasmid pBR322, and propagated in E.coli. The TK gene ...

journal_title：Nucleic acids research

authors： Wilkie NM,Clements JB,Boll W,Mantei N,Lonsdale D,Weissmann C

更新日期：1979-10-25 00:00:00

abstract：:In 4M NaCl solutions (dC-dG)n (n = 3,4; approximately 9 mM) exist as a mixture o +/- B and Z forms. The low and high field components of two 31P NMR resonances originating from internal phosphodiester groups are assigned to the GpC and CpG linkages, respectively. Low temperatures stabilize the Z-forms, which completel...

journal_title：Nucleic acids research

authors： Holak TA,Borer PN,Levy GC,van Boom JH,Wang AH

更新日期：1984-06-11 00:00:00

abstract：:Comparative structural studies of ribosomes from various organisms keep offering exciting insights on how species-specific or environment-related structural features of ribosomes may impact translation specificity and its regulation. Although the importance of such features may be less obvious within more closely rela...

journal_title：Nucleic acids research

authors： Khusainov I,Vicens Q,Bochler A,Grosse F,Myasnikov A,Ménétret JF,Chicher J,Marzi S,Romby P,Yusupova G,Yusupov M,Hashem Y

更新日期：2016-12-01 00:00:00

abstract：:Mitome is a specialized mitochondrial genome database designed for easy comparative analysis of various features of metazoan mitochondrial genomes such as base frequency, A+T skew, codon usage and gene arrangement pattern. A particular function of the database is the automatic reconstruction of phylogenetic relationsh...

journal_title：Nucleic acids research

authors： Lee YS,Oh J,Kim YU,Kim N,Yang S,Hwang UW

更新日期：2008-01-01 00:00:00

abstract：:Plant mitochondrial genomes show much more evolutionary plasticity than those of animals. We analysed the first mitochondrial DNA (mtDNA) of a lycophyte, the quillwort Isoetes engelmannii, which is separated from seed plants by more than 350 million years of evolution. The Isoetes mtDNA is particularly rich in recombi...

journal_title：Nucleic acids research

authors： Grewe F,Viehoever P,Weisshaar B,Knoop V

更新日期：2009-08-01 00:00:00

abstract：:Applications of conditional gene expression, whether for therapeutic or basic research purposes, are increasingly requiring mammalian gene control systems that exhibit far tighter control properties. While numerous approaches have been used to improve the widely used Tet-regulatory system, many applications, particula...

journal_title：Nucleic acids research

authors： Greber D,El-Baba MD,Fussenegger M

更新日期：2008-09-01 00:00:00