Readers of poly(ADP-ribose): designed to be fit for purpose.

abstract：:The Eco57I restriction endonuclease and methylase were purified to homogeneity from the E.coli RR1 strain carrying the eco57IRM genes on a recombinant plasmid. The molecular weight of the denaturated methylase is 63 kDa. The restriction endonuclease exists in a monomeric form with an apparent molecular weight of 104-1...

journal_title：Nucleic acids research

authors： Janulaitis A,Petrusyte M,Maneliene Z,Klimasauskas S,Butkus V

更新日期：1992-11-25 00:00:00

abstract：:Vitamin C breaks DNA only in the presence of oxygen. Superoxide dismutase has no effect on the reaction but catalase suppresses it. Superoxide also gives rise to breaks in DNA suppressible by both superoxide dismutase and catalase. The hydroxyl radical seems to be the agent responsible for strand cleavage itself. ...

journal_title：Nucleic acids research

authors： Morgan AR,Cone RL,Elgert TM

更新日期：1976-05-01 00:00:00

abstract：:In most eukaryotes, genetic exchange between paired homologs occurs in the context of a tripartite proteinaceous structure called the synaptonemal complex (SC). Genetic analyses have revealed that the genes encoding SC proteins are vital for meiotic chromosome pairing and recombination. However, the number, nature and...

journal_title：Nucleic acids research

authors： Anuradha S,Muniyappa K

更新日期：2004-04-28 00:00:00

abstract：:The International Mouse Phenotyping Consortium (IMPC) web portal (http://www.mousephenotype.org) provides the biomedical community with a unified point of access to mutant mice and rich collection of related emerging and existing mouse phenotype data. IMPC mouse clinics worldwide follow rigorous highly structured and ...

journal_title：Nucleic acids research

authors： Koscielny G,Yaikhom G,Iyer V,Meehan TF,Morgan H,Atienza-Herrero J,Blake A,Chen CK,Easty R,Di Fenza A,Fiegel T,Grifiths M,Horne A,Karp NA,Kurbatova N,Mason JC,Matthews P,Oakley DJ,Qazi A,Regnart J,Retha A,Santos

更新日期：2014-01-01 00:00:00

abstract：:Fundamental aspects of the biochemistry of Type III restriction endonucleases remain unresolved despite being characterized by numerous research groups in the past decades. One such feature is the subunit stoichiometry of these hetero-oligomeric enzyme complexes, which has important implications for the reaction mecha...

journal_title：Nucleic acids research

authors： Butterer A,Pernstich C,Smith RM,Sobott F,Szczelkun MD,Tóth J

更新日期：2014-04-01 00:00:00

abstract：:The web software CHOP was developed to visualize the 'wobbling' in the third codon position of aligned DNA sequences. The simple features of this tool allow users to easily find regions suspected of containing coding sequences (CDSs). The program also allows visualization of the nucleotide diversity between two genomi...

journal_title：Nucleic acids research

authors： Ohtsuka M,Horiuchi S,Kulski JK,Kimura M,Inoko H

更新日期：2004-07-01 00:00:00

abstract：:Genome length complementary DNA (cDNA) transcripts were synthesized in vitro by using purified virions of a cloned isolate of mouse sarcoma virus (MSV Clone 124). The cDNA transcripts were converted to double-stranded form by utilizing DNase-digested calf thymus DNA primers and E. coli DNA polymerase I. Restriction en...

journal_title：Nucleic acids research

authors： Verma IM

更新日期：1979-01-01 00:00:00

abstract：:The immunoglobulin heavy chain intronic transcriptional enhancer (E mu) is part of a complex cis-regulatory DNA region which has notably been shown to modulate V(D)J rearrangements of associated variable gene segments. We have used recombination substrates comprised of the E mu enhancer together with various lengths o...

journal_title：Nucleic acids research

authors： Fernex C,Caillol D,Capone M,Krippl B,Ferrier P

更新日期：1994-03-11 00:00:00

abstract：:This paper describes a method for predicting a supersecondary structural motif, beta-hairpins, in a protein sequence. The method was trained and tested on a set of 5102 hairpins and 5131 non-hairpins, obtained from a non-redundant dataset of 2880 proteins using the DSSP and PROMOTIF programs. Two machine-learning tech...

journal_title：Nucleic acids research

authors： Kumar M,Bhasin M,Natt NK,Raghava GP

更新日期：2005-07-01 00:00:00

abstract：:To investigate the mechanism of N4-aminocytidine-induced mutagenesis, N'-alkyl-N4-aminocytidines and N4-alkyl-N4-aminocytidines were prepared and their mutagenicity on bacteria were assayed. N'-Methyl-N4-aminocytidine, N'-(2-hydroxyethyl)-N4-aminocytidine and N',N'-dimethyl-N4-aminocytidine showed direct-acting mutage...

journal_title：Nucleic acids research

authors： Nomura A,Negishi K,Hayatsu H

更新日期：1985-12-20 00:00:00

abstract：:In most bacteria, two tRNAs decode the four arginine CGN codons. One tRNA harboring a wobble inosine (tRNA(Arg)ICG) reads the CGU, CGC and CGA codons, whereas a second tRNA harboring a wobble cytidine (tRNA(Arg)CCG) reads the remaining CGG codon. The reduced genomes of Mycoplasmas and other Mollicutes lack the gene en...

journal_title：Nucleic acids research

authors： Yokobori S,Kitamura A,Grosjean H,Bessho Y

更新日期：2013-07-01 00:00:00

abstract：:We have determined the NMR solution structures of the quadruplexes formed by d(TGLGLT) and d(TL4T), where L denotes LNA (locked nucleic acid) modified G-residues. Both structures are tetrameric, parallel and right-handed and the native global fold of the corresponding DNA quadruplex is retained upon introduction of th...

journal_title：Nucleic acids research

authors： Nielsen JT,Arar K,Petersen M

更新日期：2006-04-13 00:00:00

abstract：:Here we describe a two-stepped photobiotin-based procedure to enrich a target (canine retinal) cDNA library for tissue specific clones without removing those containing repetitive ( SINE ) elements, despite the presence of these elements in the driver population. In a first hybridization excess SINE elements were hybr...

journal_title：Nucleic acids research

authors： Lin CT,Sargan DR

更新日期：1997-11-01 00:00:00

abstract：:The human lymphoid cell lines Walker and Daudi constitute a particularly suitable system for studies on the chromatin structure of K light chain genes (see preceding paper). The rearranged and non-rearranged alleles of Walker cells were found to be about equally sensitive towards digestion with DNAase I. A DNAase I hy...

journal_title：Nucleic acids research

authors： Pospelov VA,Klobeck HG,Zachau HG

更新日期：1984-09-25 00:00:00

abstract：:We analyzed the effects of site-directed mutations in the SUC2 promoter of Saccharomyces cerevisiae. Analyses were performed in wild-type as well as mig1 and tup1 mutant strains after the promoter mutants were reintroduced into the native SUC2 locus on the left arm of chromosome IX. Mutation of the two GC boxes reveal...

journal_title：Nucleic acids research

authors： Bu Y,Schmidt MC

更新日期：1998-02-15 00:00:00

abstract：:Plasmid DNA incubated in interphase Xenopus egg extracts is normally assembled into chromatin and then into synthetic nuclei which undergo one round of regulated replication. During a study of restriction endonuclease cut plasmid replication intermediates (RIs) by the Brewer-Fangman 2D gel electrophoresis technique, w...

journal_title：Nucleic acids research

authors： Lucas I,Hyrien O

更新日期：2000-05-15 00:00:00

abstract：:The SRPDB (signal recognition particle database) provides annotated SRP RNA sequences from Eucaryotes and Archaea, phylogenetically ordered and aligned with their bacterial equivalents. We also make available representative RNA secondary structure diagrams, where each base pair is proven by comparative sequence analys...

journal_title：Nucleic acids research

authors： Larsen N,Zwieb C

更新日期：1993-07-01 00:00:00

abstract：:The 4.5S rRNA was isolated from the chloroplast ribosomes from Dryopteris acuminata. The complete nucleotide sequence was determined to be: OHUAAGGUCACGGCAAGACGAGCCGUUUAUCACCACGAUAGGUGCUAAGUGGAGGUGCAGUAAUGUAUGCAGCUGAGGC AUCCUAAUAGACCGAGAGGUUUGAACOH. The 4.5S rRNA is composed of 103 nucleotides and shows strong homolog...

journal_title：Nucleic acids research

authors： Takaiwa F,Kusuda M,Sugiura M

更新日期：1982-04-10 00:00:00

abstract：:Currently transgenic frog embryos are generated using restriction-enzyme-mediated integration (REMI) on decondensed sperm nuclei followed by nuclear transplantation into unfertilized eggs. We have developed a simplified version of this protocol that has the potential to increase the numbers of normally developing tran...

journal_title：Nucleic acids research

authors： Sparrow DB,Latinkic B,Mohun TJ

更新日期：2000-02-15 00:00:00

abstract：:Mutations in mammalian and Drosophila Hel308 and PolQ paralogues cause genome instability but their helicase functions are mysterious. By in vivo and in vitro analysis, we show that Hel308 from archaea (Hel308a) may act at stalled replication forks. Introducing hel308a into Escherichia coli dnaE strains that condition...

journal_title：Nucleic acids research

authors： Guy CP,Bolt EL

更新日期：2005-06-30 00:00:00

abstract：:CCG repeats are highly over-represented in exons of the human genome. Usually they are located in the 5' UTR but are also abundant in translated sequences. The CCG repeats are associated with three tri-nucleotide repeat disorders: Huntington's disease, myotonic dystrophy type 1 and chromosome X-linked mental retardati...

journal_title：Nucleic acids research

authors： Kiliszek A,Kierzek R,Krzyzosiak WJ,Rypniewski W

更新日期：2012-09-01 00:00:00

abstract：:Extragenic sequences in genomes, such as microRNA and CRISPR, are vital players in the cell. Repetitive extragenic palindromic sequences (REPs) are a class of extragenic sequences, which form nucleotide stem-loop structures. REPs are found in many bacterial species at a high copy number and are important in regulation...

journal_title：Nucleic acids research

authors： Messing SA,Ton-Hoang B,Hickman AB,McCubbin AJ,Peaslee GF,Ghirlando R,Chandler M,Dyda F

更新日期：2012-10-01 00:00:00

abstract：:Long non-coding RNAs (lncRNAs) that have no protein-coding capacity make up a large proportion of the transcriptome of various species. Many lncRNAs are expressed within the animal central nervous system in spatial- and temporal-specific patterns, indicating that lncRNAs play important roles in cellular processes, neu...

journal_title：Nucleic acids research

authors： Li M,Wen S,Guo X,Bai B,Gong Z,Liu X,Wang Y,Zhou Y,Chen X,Liu L,Chen R

更新日期：2012-12-01 00:00:00

abstract：:Triantennary N-acetyl galactosamine (GalNAc, GN3: ), a high-affinity ligand for the hepatocyte-specific asialoglycoprotein receptor (ASGPR), enhances the potency of second-generation gapmer antisense oligonucleotides (ASOs) 6-10-fold in mouse liver. When combined with next-generation ASO designs comprised of short S-c...

journal_title：Nucleic acids research

authors： Prakash TP,Graham MJ,Yu J,Carty R,Low A,Chappell A,Schmidt K,Zhao C,Aghajan M,Murray HF,Riney S,Booten SL,Murray SF,Gaus H,Crosby J,Lima WF,Guo S,Monia BP,Swayze EE,Seth PP

更新日期：2014-07-01 00:00:00

abstract：:The unwinding of supercoiled phi X174 RFI DNA induced by the tumorigenic (+) and non-tumorigenic (-) enantiomers of trans-7,8-dihydroxy-anti-9,10-epoxy-7,8,9,10-tetrahydrobenzo[a]pyrene (BPDE) has been investigated by agarose slab-gel and ethidium titration tube gel electrophoresis. The differences in adduct conformat...

journal_title：Nucleic acids research

authors： Xu R,Birke S,Carberry SE,Geacintov NE,Swenberg CE,Harvey RG

更新日期：1992-12-11 00:00:00

abstract：:DnaD and DnaB are essential DNA-replication-initiation proteins in low-G+C content Gram-positive bacteria. Here we use sensitive Hidden Markov Model-based techniques to show that the DnaB and DnaD proteins share a common structure that is evident across all their structural domains, termed DDBH1 and DDBH2 (DnaD DnaB H...

journal_title：Nucleic acids research

authors： Marston FY,Grainger WH,Smits WK,Hopcroft NH,Green M,Hounslow AM,Grossman AD,Craven CJ,Soultanas P

更新日期：2010-11-01 00:00:00

abstract：:RNA-binding proteins (RBPs) play important roles in the post-transcriptional control of RNAs. Identifying RBP binding sites and characterizing RBP binding preferences are key steps toward understanding the basic mechanisms of the post-transcriptional gene regulation. Though numerous computational methods have been dev...

journal_title：Nucleic acids research

authors： Zhang S,Zhou J,Hu H,Gong H,Chen L,Cheng C,Zeng J

更新日期：2016-02-29 00:00:00

abstract：:Ribosomal DNA (rDNA) from Xenopus laevis contains several heterogeneities in all three transcribed spacers, as revealed by analysis of cloned and uncloned amplified rDNA from oocytes and cloned chromosomal rDNA from erythrocytes. Heterogeneities include single base changes and length variants of one to several nucleot...

journal_title：Nucleic acids research

authors： Stewart MA,Hall LM,Maden BE

更新日期：1983-02-11 00:00:00

abstract：:Essential genes are genes that are indispensable to support cellular life. These genes constitute a minimal gene set required for a living cell. We have constructed a Database of Essential Genes (DEG), which contains all the essential genes that are currently available. The functions encoded by essential genes are con...

journal_title：Nucleic acids research

authors： Zhang R,Ou HY,Zhang CT

更新日期：2004-01-01 00:00:00

abstract：:Formation of a transcriptionally competent open complex is a highly regulated multistep process involving at least two intermediates. The rate of formation and stability of the intermediate complexes often determine promoter strength. However, the detailed mechanism of formation of the open complex and the high resolu...

journal_title：Nucleic acids research

authors： Studitsky V,Brodolin K,Liu Y,Mirzabekov A

更新日期：2001-02-01 00:00:00