The molecular mechanism of inhibition of alpha-type DNA polymerases by N2-(butylphenyl)dGTP and 2-(butylanilino)dATP: variation in susceptibility to polymerization.

abstract：:RegulonDB is a DataBase that integrates biological knowledge of the mechanisms that regulate the transcription initiation in Escherichia coli , as well as knowledge on the organization of the genes and regulatory signals into operons in the chromosome. The operon is the basic structure used in RegulonDB to describe th...

journal_title：Nucleic acids research

authors： Huerta AM,Salgado H,Thieffry D,Collado-Vides J

更新日期：1998-01-01 00:00:00

abstract：:The newest genomic advances have uncovered an unprecedented degree of structural variation throughout genomes, with great amounts of data accumulating rapidly. Here we introduce InvFEST (http://invfestdb.uab.cat), a database combining multiple sources of information to generate a complete catalogue of non-redundant hu...

journal_title：Nucleic acids research

authors： Martínez-Fundichely A,Casillas S,Egea R,Ràmia M,Barbadilla A,Pantano L,Puig M,Cáceres M

更新日期：2014-01-01 00:00:00

abstract：:Homing endonuclease genes (HEGs) are mobile DNA elements that are thought to confer no benefit to their host. They encode site-specific DNA endonucleases that perpetuate the element within a species population by homing and disseminate it between species by horizontal transfer. Several yeast species contain the VMA1 H...

journal_title：Nucleic acids research

authors： Posey KL,Koufopanou V,Burt A,Gimble FS

更新日期：2004-07-27 00:00:00

abstract：:The Transcription Regulatory Regions Database (TRRD) is a curated database designed for accumulation of experimental data on extended regulatory regions of eukaryotic genes, the regulatory elements they contain, i.e., transcription factor binding sites, promoters, enhancers, silencers, etc., and expression patterns of...

journal_title：Nucleic acids research

authors： Kolchanov NA,Ananko EA,Podkolodnaya OA,Ignatieva EV,Stepanenko IL,Kel-Margoulis OV,Kel AE,Merkulova TI,Goryachkovskaya TN,Busygina TV,Kolpakov FA,Podkolodny NL,Naumochkin AN,Romashchenko AG

更新日期：1999-01-01 00:00:00

abstract：:G-quadruplexes are dynamic structures folded in G-rich single-stranded DNA regions. These structures have been recognized as a potential nucleic acid based mechanism for regulating multiple cellular processes such as replication, transcription and genomic maintenance. So far, their transcriptional role in vivo during ...

journal_title：Nucleic acids research

authors： David AP,Margarit E,Domizi P,Banchio C,Armas P,Calcaterra NB

更新日期：2016-05-19 00:00:00

abstract：:The discontinuous synthesis of the complementary strands of polyoma DNA in isolated nuclei has been studied by hybridization techniques. The relative amounts of the newly synthesized complementary strands were compared by separately annealing them to denatured HpaII restriction fragments. In every case an excess (1.4-...

journal_title：Nucleic acids research

authors： Flory PJ Jr

更新日期：1977-01-01 00:00:00

abstract：:Saccharomyces cerevisiae Pif1 (ScPif1) is known as an ATP-dependent DNA helicase that plays critical roles in a number of important biological processes such as DNA replication, telomere maintenance and genome stability maintenance. Besides its DNA helicase activity, ScPif1 is also known as a single-stranded DNA (ssDN...

journal_title：Nucleic acids research

authors： Lu C,Le S,Chen J,Byrd AK,Rhodes D,Raney KD,Yan J

更新日期：2019-08-22 00:00:00

abstract：:Inability of T7 RNA polymerase to processively transcribe higher eukaryotic chromatin is interpreted as a correlate of its reported inhibition by nucleosomes on reconstituted templates in vitro . We used chromosomally integrated reporter cassettes to examine features of T7 transcription in a lower eukaryotic system. L...

journal_title：Nucleic acids research

authors： Wirtz E,Hoek M,Cross GA

更新日期：1998-10-15 00:00:00

abstract：:A new system, ZCURVE 1.0, for finding protein- coding genes in bacterial and archaeal genomes has been proposed. The current algorithm, which is based on the Z curve representation of the DNA sequences, lays stress on the global statistical features of protein-coding genes by taking the frequencies of bases at three c...

journal_title：Nucleic acids research

authors： Guo FB,Ou HY,Zhang CT

更新日期：2003-03-15 00:00:00

abstract：:The k-junction is a structural motif in RNA comprising a three-way helical junction based upon kink turn (k-turn) architecture. A computer program written to examine relative helical orientation identified the three-way junction of the Arabidopsis TPP riboswitch as an elaborated k-turn. The Escherichia coli TPP ribosw...

journal_title：Nucleic acids research

authors： Wang J,Daldrop P,Huang L,Lilley DM

更新日期：2014-04-01 00:00:00

abstract：:The beta protein encoded by the Streptococcus pyogenes plasmid pSM19035 is a site-specific recombinase involved in both resolution of plasmid multimers into monomers and DNA inversion. It has been proposed that the DNA region to which the beta recombinase binds to mediate recombination includes a promoter from which o...

journal_title：Nucleic acids research

authors： Rojo F,Alonso JC

更新日期：1994-05-25 00:00:00

abstract：:Chromosome conformation-capture technologies are widely used in 3D genomics; however, experimentally, such methods have high-noise limitations and, therefore, require significant bioinformatics efforts to extract reliable distal interactions. Miscellaneous undesired linear DNAs, present during proximity-ligation, repr...

journal_title：Nucleic acids research

authors： Kong S,Li Q,Zhang G,Li Q,Huang Q,Huang L,Zhang H,Huang Y,Peng Y,Qin B,Zhang Y

更新日期：2020-05-07 00:00:00

abstract：:Yeast Dna2 helicase/nuclease is essential for DNA replication and assists FEN1 nuclease in processing a subset of Okazaki fragments that have long single-stranded 5' flaps. It is also involved in the maintenance of telomeres. DNA2 is a gene conserved in eukaryotes, and a putative human ortholog of yeast DNA2 (ScDNA2) ...

journal_title：Nucleic acids research

authors： Masuda-Sasa T,Imamura O,Campbell JL

更新日期：2006-04-04 00:00:00

abstract：:DNA damage-induced cell cycle checkpoints serve as surveillance mechanisms to maintain genomic stability, and are regulated by ATM/ATR-mediated signaling pathways that are conserved from yeast to humans. Trypanosoma brucei, an early divergent microbial eukaryote, lacks key components of the conventional DNA damage-ind...

journal_title：Nucleic acids research

authors： Zhou Q,Pham KTM,Hu H,Kurasawa Y,Li Z

更新日期：2019-09-05 00:00:00

abstract：:Proteins that catalyse homologous recombination have been identified in all living organisms and are essential for the repair of damaged DNA as well as for the generation of genetic diversity. In bacteria homologous recombination is performed by the RecA protein, whereas in the eukarya a related protein called Rad51 i...

journal_title：Nucleic acids research

authors： McIlwraith MJ,Hall DR,Stasiak AZ,Stasiak A,Wigley DB,West SC

更新日期：2001-11-15 00:00:00

abstract：:A RNA interference (RNAi) like mechanism is involved in elimination of thousands of DNA segments from the developing somatic macronucleus of Tetrahymena, yet how specific internal eliminated sequences (IESs) are recognized remains to be fully elucidated. To define requirements for DNA rearrangement, we performed mutag...

journal_title：Nucleic acids research

authors： Kowalczyk CA,Anderson AM,Arce-Larreta M,Chalker DL

更新日期：2006-01-01 00:00:00

abstract：:The solid phase synthesis of oligoribonucleotides using the H-phosphonate approach and the 1-[(2-chloro-4-methyl)phenyl]-4-methoxypiperidin-4-yl (Ctmp) and dimethoxytrityl (DMTr) groups, respectively, for the protection of the 2'- and 5'-hydroxy functions is described. The use of a new reagent, tris-(1,1,1,3,3,3-hexaf...

journal_title：Nucleic acids research

authors： Sakatsume O,Ohtsuki M,Takaku H,Reese CB

更新日期：1989-05-25 00:00:00

abstract：:The Bovine Genome Database (BGD) (http://bovinegenome.org) has been the key community bovine genomics database for more than a decade. To accommodate the increasing amount and complexity of bovine genomics data, BGD continues to advance its practices in data acquisition, curation, integration and efficient data retrie...

journal_title：Nucleic acids research

authors： Shamimuzzaman M,Le Tourneau JJ,Unni DR,Diesh CM,Triant DA,Walsh AT,Tayal A,Conant GC,Hagen DE,Elsik CG

更新日期：2020-01-08 00:00:00

abstract：:The European Bioinformatics Institute (EMBL-EBI) supports life-science research throughout the world by providing open data, open-source software and analytical tools, and technical infrastructure (https://www.ebi.ac.uk). We accommodate an increasingly diverse range of data types and integrate them, so that biologists...

journal_title：Nucleic acids research

authors： Cook CE,Bergman MT,Cochrane G,Apweiler R,Birney E

更新日期：2018-01-04 00:00:00

abstract：:Two novel fluorescent cyanine-AMP conjugates, F550/570 and F650/670, have been synthesized to serve as transcription initiators under the T7 phi2.5 promoter. Efficient fluorophore labeling of 5' RNA is achieved in a single transcription step by including F550/570 and F650/670 in the transcription solution. The current...

journal_title：Nucleic acids research

authors： Li N,Yu C,Huang F

更新日期：2005-02-24 00:00:00

abstract：:The human Werner syndrome protein, WRN, is a member of the RecQ helicase family and contains 3'-->5' helicase and 3'-->5' exonuclease activities. Recently, we showed that the exonuclease activity of WRN is greatly stimulated by the human Ku heterodimer protein. We have now mapped this interaction physically and functi...

journal_title：Nucleic acids research

authors： Karmakar P,Snowden CM,Ramsden DA,Bohr VA

更新日期：2002-08-15 00:00:00

abstract：:Minichromosome maintenance (MCM) proteins facilitate replication by licensing origins and unwinding the DNA double strand. Interestingly, the number of MCM hexamers greatly exceeds the number of firing origins suggesting additional roles of MCMs. Here we show a hitherto unanticipated function of MCM2 in cilia formatio...

journal_title：Nucleic acids research

authors： Casar Tena T,Maerz LD,Szafranski K,Groth M,Blätte TJ,Donow C,Matysik S,Walther P,Jeggo PA,Burkhalter MD,Philipp M

更新日期：2019-01-10 00:00:00

abstract：:All exchangeable protons in a short DNA helix, d(CG)3 sodium salt, have been studied by proton nuclear magnetic resonance. The cytidine and guanosine amino protons have been assigned for the first time. As a function of temperature the cytidine amino protons and the imino protons behave very similarly, their relaxatio...

journal_title：Nucleic acids research

authors： Fazakerley GV,van der Marel GA,van Boom JH,Guschlbauer W

更新日期：1984-11-12 00:00:00

abstract：:The eel long interspersed element (LINE) UnaL2 and its partner short interspersed element (SINE) share a conserved 3' tail that is critical for their retrotransposition. The predicted secondary structure of the conserved 3' tail of UnaL2 RNA contains a stem region with a putative internal loop. Deletion of the putativ...

journal_title：Nucleic acids research

authors： Nomura Y,Kajikawa M,Baba S,Nakazato S,Imai T,Sakamoto T,Okada N,Kawai G

更新日期：2006-01-01 00:00:00

abstract：:PRINTS is a database of protein family 'fingerprints' offering a diagnostic resource for newly-determined sequences. By contrast with PROSITE, which uses single consensus expressions to characterise particular families, PRINTS exploits groups of motifs to build characteristic signatures. These signatures offer improve...

journal_title：Nucleic acids research

authors： Attwood TK,Beck ME,Flower DR,Scordis P,Selley JN

更新日期：1998-01-01 00:00:00

abstract：:RNA fragments from phage fr covering the complete or part of the replicase cistron initiation region have been used as templates in the formation of a ribosomal initiation complex in vitro. The results so obtained together with our earlier findings in a similar approach applied to fragments of the structurally related...

journal_title：Nucleic acids research

authors： Berzin V,Cielens I,Jansone I,Gren EJ

更新日期：1982-12-11 00:00:00

abstract：:A computer program has been developed which aids in the determination of restriction enzyme recognition sequences. This is achieved by cleaving DNAs of known sequence with a restriction endonuclease and comparing the fragmentation pattern with a computer-generated set of patterns. The feasibility of this approach has ...

journal_title：Nucleic acids research

authors： Gingeras TR,MIlazzo JP,Roberts RJ

更新日期：1978-11-01 00:00:00

abstract：:Different helical conformations of DNA (D), RNA (R), and DNA.RNA (DR) hybrid double and triple helices have been detected using affinity cleavage analysis. Synthetic methods were developed to attach EDTA.Fe to a single nucleotide on RNA as well as DNA oligonucleotides. Cleavage patterns generated by a localized diffus...

journal_title：Nucleic acids research

authors： Han H,Dervan PB

更新日期：1994-07-25 00:00:00

abstract：:A set of programs is presented for the reconstruction of a DNA sequence from data generated by the M13 shotgun sequencing technique. Once the sequence has been established and stored other programs are used for its analysis. The programs have been written for the Apple II microcomputer. A minimum investment is require...

journal_title：Nucleic acids research

authors： Larson R,Messing J

更新日期：1982-01-11 00:00:00

abstract：:Despite the development of new high-throughput sequencing techniques, microarrays are still attractive tools to study small genome organisms, thanks to sample multiplexing and high-feature densities. However, the oligonucleotide design remains a delicate step for most users. A vast array of software is available to de...

journal_title：Nucleic acids research

authors： Jourdren L,Duclos A,Brion C,Portnoy T,Mathis H,Margeot A,Le Crom S

更新日期：2010-06-01 00:00:00