SCOP database in 2004: refinements integrate structure and sequence family data.

abstract：:The synthesis of 1-(beta-D-2'-deoxyribosyl)-2-pyrimidinone (dK) and its 5-methyl derivative (d5) from 2'-deoxycytidine or 2'-deoxythymidine, respectively, via silver oxide oxidation of 4-hydrazinopyrimidines is described. The necessary hydrazine substituted pyrimidine nucleosides have been prepared by transamination o...

journal_title：Nucleic acids research

authors： Gildea B,McLaughlin LW

更新日期：1989-03-25 00:00:00

abstract：:The 1.7 Å X-ray crystal structure of the B-DNA dodecamer, [d(CGCGAATTCGCG)]₂ (DDD)-bound non-covalently to a platinum(II) complex, [{Pt(NH₃)₃}₂-µ-{trans-Pt(NH₃)₂(NH₂(CH₂)₆NH₂)₂}](NO₃)₆ (1, TriplatinNC-A,) shows the trinuclear cation extended along the phosphate backbone and bridging the minor groove. The square planar...

journal_title：Nucleic acids research

authors： Komeda S,Moulaei T,Chikuma M,Odani A,Kipping R,Farrell NP,Williams LD

更新日期：2011-01-01 00:00:00

abstract：:A complete physical map of the spinach mitochondrial genome has been established. The entire sequence content of 327 kilobase pairs (kb) is postulated to occur as a single circular molecule. Two directly repeated elements of approximately 6 kb, located on this "master chromosome", are proposed to participate in an int...

journal_title：Nucleic acids research

authors： Stern DB,Palmer JD

更新日期：1986-07-25 00:00:00

abstract：:Spirochetes of the genus Borrelia include the tick-transmitted causative agents of Lyme disease and relapsing fever. They possess unusual genomes composed mainly of linear replicons terminated by closed DNA hairpin telomeres. Hairpin telomeres present an uninterrupted DNA chain to the replication machinery overcoming ...

journal_title：Nucleic acids research

authors： Mir T,Huang SH,Kobryn K

更新日期：2013-12-01 00:00:00

abstract：:Radioactive iodine has been used to probe the relative reactivities of nucleosomal H4 tyrosine residues under various conditions of subphysiological ionic strength. We observe that tyrosine 72 of H4, which is not reactive over the range 20-150 mM NaCl, becomes the predominant site of iodination within H4 when nucleoso...

journal_title：Nucleic acids research

authors： Burch JB,Martinson HG

更新日期：1981-09-11 00:00:00

abstract：:Single-cell RNA-sequencing (scRNA-seq) enables the characterization of transcriptomic profiles at the single-cell resolution with increasingly high throughput. However, it suffers from many sources of technical noises, including insufficient mRNA molecules that lead to excess false zero values, termed dropouts. Comput...

journal_title：Nucleic acids research

authors： Xu Y,Zhang Z,You L,Liu J,Fan Z,Zhou X

更新日期：2020-09-04 00:00:00

abstract：:Bleomycin B(2)(BLM) in the presence of iron [Fe(II)] and O(2)catalyzes single-stranded (ss) and double-stranded (ds) cleavage of DNA. Electrospray ionization ion trap mass spectrometry was used to monitor these cleavage processes. Two duplex oligonucleotides containing an ethylene oxide tether between both strands wer...

journal_title：Nucleic acids research

authors： Harsch A,Marzilli LA,Bunt RC,Stubbe J,Vouros P

更新日期：2000-05-01 00:00:00

abstract：:Mammalian mRNAs are generated by complex and coordinated biogenesis pathways and acquire 5'-end m(7)G caps that play fundamental roles in processing and translation. Here we show that several selenoprotein mRNAs are not recognized efficiently by translation initiation factor eIF4E because they bear a hypermethylated c...

journal_title：Nucleic acids research

authors： Wurth L,Gribling-Burrer AS,Verheggen C,Leichter M,Takeuchi A,Baudrey S,Martin F,Krol A,Bertrand E,Allmang C

更新日期：2014-07-01 00:00:00

abstract：:The solubility of adult beta-globin chromatin (beta A chromatin) from immature chicken red blood cells can be controlled by the presence or absence of n-butyrate in a cell incubation medium. In the absence of n-butyrate, only a small percentage (approximately 4%) of the total beta A chromatin is in a soluble chromatin...

journal_title：Nucleic acids research

authors： Ferenz CR,Nelson DA

更新日期：1985-03-25 00:00:00

abstract：:Microbial enzymes have many known applications as biocatalysts in biotechnology, agriculture, medical and other industries. However, only a few enzymes are currently employed for such commercial applications. In this scenario, the current onslaught of metagenomic data provides a new unexplored treasure trove of genomi...

journal_title：Nucleic acids research

authors： Sharma VK,Kumar N,Prakash T,Taylor TD

更新日期：2010-01-01 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：:The rolling circle DNA replication structures generated by the in vitro phage T4 replication system were analyzed using two-dimensional agarose gels. Replication structures were generated in the presence or absence of T4 primase (gp61), permitting the analysis of replication forks with either duplex or single-stranded...

journal_title：Nucleic acids research

authors： Belanger KG,Mirzayan C,Kreuzer HE,Alberts BM,Kreuzer KN

更新日期：1996-06-01 00:00:00

abstract：:An elongation cycle of a transcribing RNA polymerase (RNAP) usually consists of multiple kinetics steps, so there exist multiple kinetic checkpoints where non-cognate nucleotides can be selected against. We conducted comprehensive free energy calculations on various nucleotide insertions for viral T7 RNAP employing al...

journal_title：Nucleic acids research

authors： Long C,E C,Da LT,Yu J

更新日期：2019-05-21 00:00:00

abstract：:The interplay between aromatic stacking and hydrogen bonding in nucleobases has been investigated via high-level quantum chemical calculations. The experimentally observed stacking arrangement between consecutive bases in DNA and RNA/DNA double helices is shown to enhance their hydrogen bonding ability as opposed to g...

journal_title：Nucleic acids research

authors： Mignon P,Loverix S,Steyaert J,Geerlings P

更新日期：2005-03-23 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：:Native nucleotides show a hyperbolic concentration dependence of the pre-steady-state rate of incorporation while maintaining concentration-independent amplitude due to fast, largely irreversible pyrophosphate release. The kinetics of 3'-azido-2',3'-dideoxythymidine (AZT) incorporation exhibit an increase in amplitude...

journal_title：Nucleic acids research

authors： Hanes JW,Johnson KA

更新日期：2007-01-01 00:00:00

abstract：:microRNAs (miRNAs) are small endogenous RNA molecules that are implicated in many biological processes through post-transcriptional regulation of gene expression. The DIANA-microT Web server provides a user-friendly interface for comprehensive computational analysis of miRNA targets in human and mouse. The server has ...

journal_title：Nucleic acids research

authors： Maragkakis M,Vergoulis T,Alexiou P,Reczko M,Plomaritou K,Gousis M,Kourtis K,Koziris N,Dalamagas T,Hatzigeorgiou AG

更新日期：2011-07-01 00:00:00

abstract：:Secondary structure-sensitive chemical and enzymatic probes have been used to produce a model for the folding of the last 68 residues of the 3'-non-coding region of beet necrotic yellow vein benevirus RNA 3. The structure consists of two stem-loops separated by a single-stranded region. RNA 3-derived transcripts were ...

journal_title：Nucleic acids research

authors： Lauber E,Guilley H,Richards K,Jonard G,Gilmer D

更新日期：1997-12-01 00:00:00

abstract：:The inherent properties of DNA as a stable polymer with unique affinity for partner molecules determined by the specific Watson-Crick base pairing makes it an ideal component in self-assembling structures. This has been exploited for decades in the design of a variety of artificial substrates for investigations of DNA...

journal_title：Nucleic acids research

authors： Andersen FF,Knudsen B,Oliveira CL,Frøhlich RF,Krüger D,Bungert J,Agbandje-McKenna M,McKenna R,Juul S,Veigaard C,Koch J,Rubinstein JL,Guldbrandtsen B,Hede MS,Karlsson G,Andersen AH,Pedersen JS,Knudsen BR

更新日期：2008-03-01 00:00:00

abstract：:We have identified cDNAs encoding Mel-N1, the mouse homologue of a human nervous system-specific RNA-binding protein, Hel-N1. Two major mRNA transcripts of Mel-N1 were detected predominantly in the adult mouse brain by Northern blot analysis. To gain insight into the RNA binding specificity of Mel-N1, we performed ite...

journal_title：Nucleic acids research

authors： Abe R,Yamamoto K,Sakamoto H

更新日期：1996-06-01 00:00:00

abstract：:The effect of different levels of mercury substitution on the rate and extent of hybridisation of globin mRNA with a complementary DNA (cDNA) copy has been investigated. It was found that mercuration significantly reduces both the rate of hybridisation and the extent of the reaction, but that these effects are abolish...

journal_title：Nucleic acids research

authors： Brown TD,Balmain A

更新日期：1979-12-20 00:00:00

abstract：:The log kobs vs. pH profiles were determined in the intermediate acidity region for the glycosyl hydrolysis of guanosine and its 8-amino, 8-monomethylamino, 8-dimethylamino and 8-bromo derivatives. The decreased rate of the 8-amino and enhanced rate of the 8-bromo compound compared to guanosine support an A type mecha...

journal_title：Nucleic acids research

authors： Jordan F,Niv H

更新日期：1977-03-01 00:00:00

abstract：:The promoter region of the mouse CCAAT-Enhancer Binding Protein (C/EBP alpha) gene is capable of directing high levels of expression of reporter constructs in various cell lines, albeit even in cells that do not express their endogenous C/EBP alpha gene. To understand the molecular mechanisms underlying this ubiquitou...

journal_title：Nucleic acids research

authors： Legraverend C,Antonson P,Flodby P,Xanthopoulos KG

更新日期：1993-04-25 00:00:00

abstract：:The mouse is widely used as system to study human genetic mechanisms. However, extensive rewiring of transcriptional regulatory networks often confounds translation of findings between human and mouse. Site-specific gain and loss of individual transcription factor binding sites (TFBS) has caused functional divergence ...

journal_title：Nucleic acids research

authors： Diehl AG,Boyle AP

更新日期：2018-02-28 00:00:00

abstract：:The pattern of sites for cleavage mediated by topoisomerase II was determined in 830 kb of cloned DNA from the Drosophila X chromosome, with the objectives of comparing it with mapped structural and functional landmarks and examining if the correlations with such landmarks reported in individual loci can be generalize...

journal_title：Nucleic acids research

authors： Miassod R,Razin SV,Hancock R

更新日期：1997-06-01 00:00:00

abstract：:The crystal structure is reported of a complex between an ethyl derivative of the minor-groove drug furamidine and the dodecanucleotide duplex d(CGCGAATTCGCG)2, which has been refined to 1.85 A resolution and an R factor of 16.6% for data collected at -173 degreesC. An exceptionally large number (220) of water molecul...

journal_title：Nucleic acids research

authors： Guerri A,Simpson IJ,Neidle S

更新日期：1998-06-15 00:00:00

abstract：:Plasmids containing a dihydrofolate reductase (DHFR) expression unit were transfected into DHFR-deficient Chinese hamster ovary (CHO) cells. Methotrexate exposure was used to select cells with amplified DHFR sequences. Three cell lines were isolated containing amplified copies of transfected DNA that had integrated in...

journal_title：Nucleic acids research

authors： Heartlein MW,Latt SA

更新日期：1989-02-25 00:00:00

abstract：:In the brome mosaic virus (BMV) virion, the coat protein (CP) selectively contacts the RNA motifs that regulate translation and RNA replication (Hoover et al., 2016. J. Virol. 90, 7748). We hypothesize that the unstructured N-terminal arm (NTA) of the BMV CP can specifically recognize RNA motifs. Using ion mobility sp...

journal_title：Nucleic acids research

authors： Jacobs A,Hoover H,Smith E,Clemmer DE,Kim CH,Kao CC

更新日期：2018-01-09 00:00:00

abstract：:The advances of next-generation sequencing technology have facilitated metagenomics research that attempts to determine directly the whole collection of genetic material within an environmental sample (i.e. the metagenome). Identification of genes directly from short reads has become an important yet challenging probl...

journal_title：Nucleic acids research

authors： Rho M,Tang H,Ye Y

更新日期：2010-11-01 00:00:00

abstract：:GenBank(®) (http://www.ncbi.nlm.nih.gov/genbank/) is a comprehensive database that contains publicly available nucleotide sequences for over 300 000 formally described species. These sequences are obtained primarily through submissions from individual laboratories and batch submissions from large-scale sequencing proj...

journal_title：Nucleic acids research

authors： Benson DA,Clark K,Karsch-Mizrachi I,Lipman DJ,Ostell J,Sayers EW

更新日期：2015-01-01 00:00:00