The DNA binding affinity of HhaI methylase is increased by a single amino acid substitution in the catalytic center.

abstract：:Plant orthologs of the yeast sucrose non-fermenting (Snf1) kinase and mammalian AMP-activated protein kinase (AMPK) represent an emerging class of important regulators of metabolic and stress signalling. The catalytic alpha-subunits of plant Snf1-related kinases (SnRKs) interact in the yeast two-hybrid system with dif...

journal_title：Nucleic acids research

authors： Ferrando A,Koncz-Kálmán Z,Farràs R,Tiburcio A,Schell J,Koncz C

更新日期：2001-09-01 00:00:00

abstract：:Ribonucleic acids are highly conserved essential parts of cellular life. RNA function is determined to a large extent by its hydrodynamic behaviour. The presented study proposes a strategy to predict the hydrodynamic behaviour of RNA single strands on the basis of the polymer size. By atom-level shell-modelling of hig...

journal_title：Nucleic acids research

authors： Werner A

更新日期：2011-02-01 00:00:00

abstract：:Herpes simplex type 1 virus (HSV-1) and bacteriophage λ capsids undergo considerable structural changes during self-assembly and DNA packaging. The initial steps of viral capsid self-assembly require weak, non-covalent interactions between the capsid subunits to ensure free energy minimization and error-free assembly....

journal_title：Nucleic acids research

authors： Sae-Ueng U,Liu T,Catalano CE,Huffman JB,Homa FL,Evilevitch A

更新日期：2014-08-01 00:00:00

abstract：:Eukaryotic topoisomerase II (topo II) is the essential decatenase of newly replicated chromosomes and the main relaxase of nucleosomal DNA. Apart from these general tasks, topo II participates in more specialized functions. In mammals, topo IIα interacts with specific RNA polymerases and chromatin-remodeling complexes...

journal_title：Nucleic acids research

authors： Nikolaou C,Bermúdez I,Manichanh C,García-Martinez J,Guigó R,Pérez-Ortín JE,Roca J

更新日期：2013-11-01 00:00:00

abstract：:Previously, we developed jumping profile hidden Markov model (jpHMM), a new method to detect recombinations in HIV-1 genomes. The jpHMM predicts recombination breakpoints in a query sequence and assigns to each position of the sequence one of the major HIV-1 subtypes. Since incorrect subtype assignment or recombinatio...

journal_title：Nucleic acids research

authors： Schultz AK,Zhang M,Bulla I,Leitner T,Korber B,Morgenstern B,Stanke M

更新日期：2009-07-01 00:00:00

abstract：:Our web server, PIZSA (http://cospi.iiserpune.ac.in/pizsa), assesses the likelihood of protein-protein interactions by assigning a Z Score computed from interface residue contacts. Our score takes into account the optimal number of atoms that mediate the interaction between pairs of residues and whether these contacts...

journal_title：Nucleic acids research

authors： Roy AA,Dhawanjewar AS,Sharma P,Singh G,Madhusudhan MS

更新日期：2019-07-02 00:00:00

abstract：:Primase synthesizes decaribonucleotides for priming of lagging and possibly leading strand synthesis at a replication fork. The sites of initiation by purified mouse primase were shown to be highly specific within the SV40 origin of replication. This study further examines the role of the 27-bp inverted repeat in the ...

journal_title：Nucleic acids research

authors： Tseng BY,Prussak CE

更新日期：1989-03-11 00:00:00

abstract：:Exon arrays are regularly used to analyze differential splicing events. GeneChip Gene 1.0 ST Arrays (gene arrays) manufactured by Affymetrix, Inc. are primarily used to determine expression levels of transcripts, although their basic design is rather similar to GeneChip Exon 1.0 ST Arrays (exon arrays). Here, we show ...

journal_title：Nucleic acids research

authors： Gellert P,Teranishi M,Jenniches K,De Gaspari P,John D,Kreymborg Kg,Braun T,Uchida S

更新日期：2012-03-01 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：:AR9 is a giant Bacillus subtilis phage whose uracil-containing double-stranded DNA genome encodes distant homologs of β and β' subunits of bacterial RNA polymerase (RNAP). The products of these genes are thought to assemble into two non-canonical multisubunit RNAPs - a virion RNAP (vRNAP) that is injected into the hos...

journal_title：Nucleic acids research

authors： Sokolova M,Borukhov S,Lavysh D,Artamonova T,Khodorkovskii M,Severinov K

更新日期：2017-06-02 00:00:00

abstract：:The nuclear suppressor allele NSM3 in strain FF1210-6C/170-E22 (E22), which suppresses a mutation of the yeast mitochondrial tRNA(Asp)gene in Saccharomyces cerevisiae, was cloned and identified. To isolate the NSM3 allele, a genomic DNA library using the vector YEp13 was constructed from strain E22. Nine YEp13 recombi...

journal_title：Nucleic acids research

authors： Chiang CS,Liaw GJ

更新日期：2000-04-01 00:00:00

abstract：:Kinetoplast mitochondrial RNA editing is the developmentally regulated post-transcriptional process of uridine insertion and deletion in mRNAs directed by short guide RNAs (gRNAs), which creates functional mRNAs. Two mechanisms are proposed: transesterification which predicts gRNA/mRNA chimeric intermediates, and enzy...

journal_title：Nucleic acids research

authors： Riley GR,Myler PJ,Stuart K

更新日期：1995-02-25 00:00:00

abstract：:Many DNA modification and repair enzymes require access to DNA bases and therefore flip nucleotides. Restriction endonucleases (REases) hydrolyze the phosphodiester backbone within or in the vicinity of the target recognition site and do not require base extrusion for the sequence readout and catalysis. Therefore, the...

journal_title：Nucleic acids research

authors： Tamulaitis G,Zaremba M,Szczepanowski RH,Bochtler M,Siksnys V

更新日期：2007-01-01 00:00:00

abstract：:Small interfering RNAs (siRNAs) are now established as the preferred tool to inhibit gene function in mammalian cells yet trigger unintended gene silencing due to their inherent miRNA-like behavior. Such off-target effects are primarily mediated by the sequence-specific interaction between the siRNA seed regions (posi...

journal_title：Nucleic acids research

authors： Bramsen JB,Pakula MM,Hansen TB,Bus C,Langkjær N,Odadzic D,Smicius R,Wengel SL,Chattopadhyaya J,Engels JW,Herdewijn P,Wengel J,Kjems J

更新日期：2010-09-01 00:00:00

abstract：:Termination of DNA replication in Bacillus subtilis involves the polar arrest of replication forks by a specific complex formed between the replication terminator protein (RTP) and DNA terminator sites. While determination of the crystal structure of RTP has facilitated our understanding of how a single RTP dimer inte...

journal_title：Nucleic acids research

authors： Kralicek AV,Wilson PK,Ralston GB,Wake RG,King GF

更新日期：1997-02-01 00:00:00

abstract：:7,8-Dihydro-8-oxo-deoxyguanosine (8oxodG) is a highly premutagenic DNA lesion due to its ability to mispair with adenine. Schizosaccharomyces pombe lacks homologs for relevant enzymes that repair 8oxodG, which suggests that this lesion could be persistent and must be tolerated. Here we show that SpPol4, the unique Pol...

journal_title：Nucleic acids research

authors： Sastre-Moreno G,Sánchez A,Esteban V,Blanco L

更新日期：2014-09-01 00:00:00

abstract：UNLABELLED:Synonymous codon usage biases are associated with various biological factors, such as gene expression level, gene length, gene translation initiation signal, protein amino acid composition, protein structure, tRNA abundance, mutation frequency and patterns, and GC compositions. Quantification of codon usage ...

journal_title：Nucleic acids research

authors： Angellotti MC,Bhuiyan SB,Chen G,Wan XF

更新日期：2007-07-01 00:00:00

abstract：:We used the high resolution and accuracy of the Cambridge Structural Database (CSD) to provide detailed information regarding base pairing interactions of selected nucleobases. We searched for base pairs in which nucleobases interact with each other through two or more hydrogen bonds and form more or less planar struc...

journal_title：Nucleic acids research

authors： Cabaj MK,Dominiak PM

更新日期：2020-09-04 00:00:00

abstract：:Integration of foreign genes into plant genomes by the Agrobacterium T-DNA transfer system has been considered to occur at random. It has been speculated that the chromosomal structure of the integration site might affect the expression pattern of the introduced genes. To gain insight into the molecular structure of T...

journal_title：Nucleic acids research

authors： Dietz A,Kay V,Schlake T,Landsmann J,Bode J

更新日期：1994-07-25 00:00:00

abstract：:Besides orthologs of other eukaryotic mismatch-repair (MMR) proteins, plants encode MSH7, a paralog of MSH6. The Arabidopsis thaliana recognition heterodimers AtMSH2*MSH6 (AtMutSalpha) and AtMSH2*MSH3 (AtMutSbeta) were previously found to bind the same subsets of mismatches as their counterparts in other eukaryotes--r...

journal_title：Nucleic acids research

authors： Wu SY,Culligan K,Lamers M,Hays J

更新日期：2003-10-15 00:00:00

abstract：:We describe a versatile genetic system for rapid analysis of mammalian gene function. In this, loss of reporter activity in a novel embryonic stem (ES) cell line enables rapid identification of targeting to the ubiquitously expressed Rosa26 locus. Subsequent regulation of gene activity is governed by a dual regulatory...

journal_title：Nucleic acids research

authors： Mao J,Barrow J,McMahon J,Vaughan J,McMahon AP

更新日期：2005-10-12 00:00:00

abstract：:Proteins interacting with pre-mRNAs during early stages of spliceosome formation in a HeLa nuclear extract were investigated by photochemical RNA-protein crosslinking. The level of protein crosslinking to a beta-globin pre-mRNA was positively correlated with the presence of an intron. Proteins of 110,000, 59,000 and 3...

journal_title：Nucleic acids research

authors： Mayrand SH,Pederson T

更新日期：1990-06-11 00:00:00

abstract：:The 279-bp major breakpoint region (mbr) within the 3'-untranslated region (3'-UTR) of the BCL2 gene is a binding site of special AT-rich sequence binding protein 1 (SATB1) that is well known to participate in the long-range regulation of gene transcription. Our previous studies have revealed that the mbr could regula...

journal_title：Nucleic acids research

authors： Gong F,Sun L,Wang Z,Shi J,Li W,Wang S,Han X,Sun Y

更新日期：2011-06-01 00:00:00

abstract：:The effects of Mg++, Mn++, and KCl addition, individually and in combination, on the rate of DNA- and RNA-primed DNA synthesis by avian myeloblastosis virus DNA polymerase (reverse transcriptase) using a variety of natural and synthetic template-primer combinations were examined. Optimal divalent cation concentrations...

journal_title：Nucleic acids research

authors： Marcus SL,Modak MJ

更新日期：1976-06-01 00:00:00

abstract：:The origin of replication of the c-myc gene in HeLa cells was previously identified at low resolution within 3.5 kb 5' to the P1 promoter, based on replication fork polarity and the location of DNA nascent strands. To define the initiation events in the c-myc origin at higher resolution the template bias of nascent DN...

journal_title：Nucleic acids research

authors： Waltz SE,Trivedi AA,Leffak M

更新日期：1996-05-15 00:00:00

abstract：:In many viruses and transposons, expression of some genes requires alternative reading of the genetic code, also called recoding. Such events depend on specific mRNA sequences and can lead to read through of an in-frame stop codon or to +1 or -1 frameshifting. Here, we addressed the issue of conservation of recoding r...

journal_title：Nucleic acids research

authors： Stahl G,Bidou L,Rousset JP,Cassan M

更新日期：1995-05-11 00:00:00

abstract：:An important model system for studying the process leading to productive transcription is provided by the superfamily of nuclear receptors, which are for the most part ligand-controlled transcription factors. Over the past years several 'orphan' nuclear receptors have been isolated for which no ligand has yet been ide...

journal_title：Nucleic acids research

authors： Gawlas K,Stunnenberg HG

更新日期：2001-08-15 00:00:00

abstract：:The sxy (tfoX) gene product is the central regulator of DNA uptake by naturally competent gamma-proteobacteria such as Haemophilus influenzae, Vibrio cholerae and probably Escherichia coli. However, the mechanisms regulating sxy gene expression are not understood despite being key to understanding the physiological ro...

journal_title：Nucleic acids research

authors： Cameron AD,Volar M,Bannister LA,Redfield RJ

更新日期：2008-01-01 00:00:00

abstract：:The sarcomeric myosin gene, Myh7b, encodes an intronic microRNA, miR-499, which regulates cardiac and skeletal muscle biology, yet little is known about its transcriptional regulation. To identify the transcription factors involved in regulating Myh7b/miR-499 gene expression, we have mapped the transcriptional start s...

journal_title：Nucleic acids research

authors： Yeung F,Chung E,Guess MG,Bell ML,Leinwand LA

更新日期：2012-08-01 00:00:00

abstract：:Cell-free extracts employed as chromatin assembly systems contain a myriad of proteins, polyanions and nucleic acids. The roles of ATP, MgCl2 and other cofactors in the catalysis of nucleosome formation by the Xenopus laevis oocyte S-150 have yet to be established unequivocally. In this study we examine the influence ...

journal_title：Nucleic acids research

authors： Sekiguchi JM,Kmiec EB

更新日期：1992-02-25 00:00:00