Nucleotide binding interactions modulate dNTP selectivity and facilitate 8-oxo-dGTP incorporation by DNA polymerase lambda.

abstract：:The design of a family shuffling strategy (CLERY: Combinatorial Libraries Enhanced by Recombination in Yeast) associating PCR-based and in vivo recombination and expression in yeast is described. This strategy was tested using human cytochrome P450 CYP1A1 and CYP1A2 as templates, which share 74% nucleotide sequence id...

journal_title：Nucleic acids research

authors： Abécassis V,Pompon D,Truan G

更新日期：2000-10-15 00:00:00

abstract：:The P0 scaffold protein of the ribosomal stalk is mainly incorporated into pre-ribosomes in the cytoplasm where it replaces the assembly factor Mrt4. In analyzing the role of the P0 carboxyl terminal domain (CTD) during ribosomal stalk assembly, we found that its complete removal yields a protein that is functionally ...

journal_title：Nucleic acids research

authors： Francisco-Velilla R,Remacha M,Ballesta JP

更新日期：2013-10-01 00:00:00

abstract：:Exposure of pyrimidines of DNA to ionizing radiation under aerobic conditions or oxidizing agents results in attack on the 5,6 double bond of the pyrimidine ring or on the exocyclic 5-methyl group. The primary product of oxidation of the 5,6 double bond of thymine is thymine glycol, while oxidation of the 5-methyl gro...

journal_title：Nucleic acids research

authors： Zuo S,Boorstein RJ,Teebor GW

更新日期：1995-08-25 00:00:00

abstract：:Studying the intricate folding of rRNA within the ribosome remains a complex problem. Phenanthroline-Cu(II) complexes cleave phosphodiester bonds in rRNA in specific regions, apparently especially where the rRNA structure is constrained in some fashion. We have introduced phenanthroline-copper complexes into 50S Esche...

journal_title：Nucleic acids research

authors： Muth GW,Thompson CM,Hill WE

更新日期：1999-04-15 00:00:00

abstract：:Reconstructing full-length transcript isoforms from sequence fragments (such as ESTs) is a major interest and challenge for bioinformatic analysis of pre-mRNA alternative splicing. This problem has been formulated as finding traversals across the splice graph, which is a directed acyclic graph (DAG) representation of ...

journal_title：Nucleic acids research

authors： Xing Y,Yu T,Wu YN,Roy M,Kim J,Lee C

更新日期：2006-06-06 00:00:00

abstract：:Bacterial genomes encode a plethora of small RNAs (sRNAs), which are heterogeneous in size, structure and function. Most sRNAs act as post-transcriptional regulators by means of specific base pairing interactions with the 5'-untranslated region of mRNA transcripts, thereby modifying the stability of the target transcr...

journal_title：Nucleic acids research

authors： Eggenhofer F,Tafer H,Stadler PF,Hofacker IL

更新日期：2011-07-01 00:00:00

abstract：:ArrayExpress is a public repository for microarray data that supports the MIAME (Minimum Information About a Microarray Experiment) requirements and stores well-annotated raw and normalized data. As of November 2004, ArrayExpress contains data from approximately 12,000 hybridizations covering 35 species. Data can be s...

journal_title：Nucleic acids research

authors： Parkinson H,Sarkans U,Shojatalab M,Abeygunawardena N,Contrino S,Coulson R,Farne A,Lara GG,Holloway E,Kapushesky M,Lilja P,Mukherjee G,Oezcimen A,Rayner T,Rocca-Serra P,Sharma A,Sansone S,Brazma A

更新日期：2005-01-01 00:00:00

abstract：:Trinucleotide exchange (TriNEx) is a method for generating novel molecular diversity during directed evolution by random substitution of one contiguous trinucleotide sequence for another. Single trinucleotide sequences were deleted at random positions in a target gene using the engineered transposon MuDel that were su...

journal_title：Nucleic acids research

authors： Baldwin AJ,Busse K,Simm AM,Jones DD

更新日期：2008-08-01 00:00:00

abstract：:The human thrombopoietin (TPO) gene, which codes for the principal cytokine involved in platelet maturation, shows a peculiar alternative splicing of its last exon, where an intra-exonic 116 nt alternative intron is spliced out in a fraction of its mRNA. To characterize the molecular mechanism underlying this alternat...

journal_title：Nucleic acids research

authors： Romano M,Marcucci R,Baralle FE

更新日期：2001-02-15 00:00:00

abstract：:The behaviour of highly purified bacterial expressed rat O6-methylguanine-DNA methyltransferase (MGMT) towards the repair of CGCm6GAGCTCGCG and CGCe6GAGCTCGCG (km6G/ke6G = 1.45, where k is the second order repair rate constant determined, m6G and e6G are O6-methyl and O6-ethylguanine) is similar to that of E. coli 39k...

journal_title：Nucleic acids research

authors： Liem LK,Lim A,Li BF

更新日期：1994-05-11 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：:The Ensembl project (https://www.ensembl.org) annotates genomes and disseminates genomic data for vertebrate species. We create detailed and comprehensive annotation of gene structures, regulatory elements and variants, and enable comparative genomics by inferring the evolutionary history of genes and genomes. Our int...

journal_title：Nucleic acids research

authors： Howe KL,Achuthan P,Allen J,Allen J,Alvarez-Jarreta J,Amode MR,Armean IM,Azov AG,Bennett R,Bhai J,Billis K,Boddu S,Charkhchi M,Cummins C,Da Rin Fioretto L,Davidson C,Dodiya K,El Houdaigui B,Fatima R,Gall A,Garcia G

更新日期：2021-01-08 00:00:00

abstract：:The Bayesian regularization method for high-throughput differential analysis, described in Baldi and Long (A Bayesian framework for the analysis of microarray expression data: regularized t-test and statistical inferences of gene changes. Bioinformatics 2001: 17: 509-519) and implemented in the Cyber-T web server, is ...

journal_title：Nucleic acids research

authors： Kayala MA,Baldi P

更新日期：2012-07-01 00:00:00

abstract：:YASS is a DNA local alignment tool based on an efficient and sensitive filtering algorithm. It applies transition-constrained seeds to specify the most probable conserved motifs between homologous sequences, combined with a flexible hit criterion used to identify groups of seeds that are likely to exhibit significant ...

journal_title：Nucleic acids research

authors： Noé L,Kucherov G

更新日期：2005-07-01 00:00:00

abstract：:DNA helicases are required for virtually every aspect of DNA metabolism, including replication, repair, recombination and transcription. A comprehensive description of these essential biochemical processes requires detailed understanding of helicase mechanisms. These enzymes are ubiquitous, having been identified in v...

journal_title：Nucleic acids research

authors： Mackintosh SG,Raney KD

更新日期：2006-01-01 00:00:00

abstract：:Some human cancers maintain their telomeres using the alternative lengthening of telomeres (ALT) mechanism; a process thought to involve recombination. Different types of recombinational telomere elongation pathways have been identified in yeasts. In senescing yeast telomerase deletion (ter1-Delta) mutants with very s...

journal_title：Nucleic acids research

authors： Basenko EY,Cesare AJ,Iyer S,Griffith JD,McEachern MJ

更新日期：2010-01-01 00:00:00

abstract：:Camptothecin (CPT), a plant alkaloid with antitumor activity, is a specific inhibitor of eukaryotic DNA topoisomerase I. We have previously isolated and characterized a CPT-resistant topoisomerase I isolated from a CPT-resistant human leukemia cell line, CPT-K5. cDNA clones of topoisomerase I were isolated from the CP...

journal_title：Nucleic acids research

authors： Tamura H,Kohchi C,Yamada R,Ikeda T,Koiwai O,Patterson E,Keene JD,Okada K,Kjeldsen E,Nishikawa K

更新日期：1991-01-11 00:00:00

abstract：:Base specificity in the interaction of ethidium with double stranded synthetic RNA homopolymers has been studied by means of spectroscopic (UV-visible absorption and fluorescence), microcalorimetric and dilatometric techniques. The results show a strong base specificity in this interaction, the association constant wi...

journal_title：Nucleic acids research

authors： Babayan Y,Manzini G,Xodo LE,Quadrifoglio F

更新日期：1987-07-24 00:00:00

abstract：:The DNA-Actinomycin D interaction has been studied by resonance Raman effect using DNA as chromophore. First, the resonance Raman spectra of DNA obtained with a U.V. excitation at wavelengths of 300 nm and 280 nm are presented. The main Raman hands are assigned to the convenient nucleic bases by comparison with the sp...

journal_title：Nucleic acids research

authors： Chinsky L,Turpin PY

更新日期：1978-08-01 00:00:00

abstract：:Transfer ribonucleic acids were isolated from mitochondria of bovine heart and aminoacylated in vitro by a crude mitochondrial enzyme. Ser-tRNASerUCN and Ser-tRNASerAGY were isolated and characterized by partial sequencing. Although these tRNAs possess unique structural features not found in any bacterial tRNA, they f...

journal_title：Nucleic acids research

authors： Gebhardt-Singh E,Sprinzl M

更新日期：1986-09-25 00:00:00

abstract：:The bZip proteins GCN4 and C/EBP differ in their DNA binding specificities: GCN4 binds well to the pseudopalindromic AP1 site 5'-A4T3G2A1C0T1C2'A3'T4'-3' and to the palindromic ATF/CREB sequence 5'-A4T3G2A1-C0*G0'T1'C2'A3'T4'-3'; C/EBP preferentially recognizes the palindromic sequence 5'-A4T3T2G1C0*G0'C1'A2'-A3'T4'-3...

journal_title：Nucleic acids research

authors： Koldin B,Suckow M,Seydel A,von Wilcken-Bergmann B,Müller-Hill B

更新日期：1995-10-25 00:00:00

abstract：:Pax6 transcription is under the control of two main promoters (P0 and P1), and these are autoregulated by Pax6. Additionally, Pax6 expression is under the control of the TGFbeta superfamily, although the precise mechanisms of such regulation are not understood. The effect of TGFbeta on Pax6 expression was studied in t...

journal_title：Nucleic acids research

authors： Grocott T,Frost V,Maillard M,Johansen T,Wheeler GN,Dawes LJ,Wormstone IM,Chantry A

更新日期：2007-01-01 00:00:00

abstract：:The reaction of fluorescamine with primary amino groups of tRNAs was investigated. The reagent was attached under mild conditions to the 3'-end of tRNAPhe-C-C-A(3'NH) from yeast and to the minor nucleoside x in E. coli tRNAArg, tRNALys, tRNAMet, tRNAIle and tRNAPhe. The primary aliphatic amino groups of these tRNAs re...

journal_title：Nucleic acids research

authors： Sprinzl M,Faulhammer HG

更新日期：1978-12-01 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：:The polypeptides recognized by a monoclonal antibody against calf thymus DNA polymerase alpha (secreted from a hybridoma CL22 -2- 42B , Nucleic Acids Res. (1982) 10, 4703-4713) were identified by the immunoblot method as the large polypeptides of the partially-purified 10S DNA polymerase alpha fraction. Using an immun...

journal_title：Nucleic acids research

authors： Masaki S,Tanabe K,Yoshida S

更新日期：1984-06-11 00:00:00

abstract：:Loss-of-function (LOF) methods such as RNA interference (RNAi), antisense oligonucleotides or CRISPR-based genome editing provide unparalleled power for studying the biological function of genes of interest. However, a major concern is non-specific targeting, which involves depletion of transcripts other than those in...

journal_title：Nucleic acids research

authors： Stojic L,Lun ATL,Mangei J,Mascalchi P,Quarantotti V,Barr AR,Bakal C,Marioni JC,Gergely F,Odom DT

更新日期：2018-07-06 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：:Significant differences are observed between the CD spectra of eu- and heterochromatin prepared by fractionating mechanically sheared rat liver chromatin on linear sucrose density gradients. Heterochromatin has a broad positive CD at 270--280 nm, a cross-over point at 256 nmn, and a negative shoulder at 248 nm. Euchro...

journal_title：Nucleic acids research

authors： Moyer GH,Kay E,Austin GE

更新日期：1979-04-01 00:00:00

abstract：:NetMHC-3.0 is trained on a large number of quantitative peptide data using both affinity data from the Immune Epitope Database and Analysis Resource (IEDB) and elution data from SYFPEITHI. The method generates high-accuracy predictions of major histocompatibility complex (MHC): peptide binding. The predictions are bas...

journal_title：Nucleic acids research

authors： Lundegaard C,Lamberth K,Harndahl M,Buus S,Lund O,Nielsen M

更新日期：2008-07-01 00:00:00

abstract：:The nucleotide sequences 3' to the translational termination codons in a collection of human genes have been analysed for evidence of a preferred 3' context for natural UAG codons. The aim was to see whether human UAG contexts can be related to the recent demonstration of the effects of 3' context on nonsense suppress...

journal_title：Nucleic acids research

authors： Martin R

更新日期：1994-01-11 00:00:00