A novel route to product specificity in the Suv4-20 family of histone H4K20 methyltransferases.

abstract：:A vector system is presented that allows generation of E. coli co-expression clones by a standardized, robust cloning procedure. The number of co-expressed proteins is not limited. Five 'pQLink' vectors for expression of His-tag and GST-tag fusion proteins as well as untagged proteins and for cloning by restriction en...

journal_title：Nucleic acids research

authors： Scheich C,Kümmel D,Soumailakakis D,Heinemann U,Büssow K

更新日期：2007-01-01 00:00:00

abstract：:We show that the cAMP receptor protein (Crp) binds to DNA as several different conformers. This situation has precluded discovering a high correlation between any sequence property and binding affinity for proteins that bend DNA. Experimentally quantified affinities of Synechocystis sp. PCC 6803 cAMP receptor protein ...

journal_title：Nucleic acids research

authors： Holmquist PC,Holmquist GP,Summers ML

更新日期：2011-08-01 00:00:00

abstract：:The database of 3D interacting domains (3did, available online for browsing and bulk download at http://3did.irbbarcelona.org) is a catalog of protein-protein interactions for which a high-resolution 3D structure is known. 3did collects and classifies all structural templates of domain-domain interactions in the Prote...

journal_title：Nucleic acids research

authors： Mosca R,Céol A,Stein A,Olivella R,Aloy P

更新日期：2014-01-01 00:00:00

abstract：:Pseudogenes are copies of genes that cannot produce a protein. They can be detected from disruptions to their apparent coding sequence, caused by frameshifts and premature stop codons. They are classed as either processed pseudogenes (made by reverse transcription from an mRNA) or duplicated pseudogenes, arising from ...

journal_title：Nucleic acids research

authors： Harrison PM,Milburn D,Zhang Z,Bertone P,Gerstein M

更新日期：2003-02-01 00:00:00

abstract：:Motif3D is a web-based protein structure viewer designed to allow sequence motifs, and in particular those contained in the fingerprints of the PRINTS database, to be visualised on three-dimensional (3D) structures. Additional functionality is provided for the rhodopsin-like G protein-coupled receptors, enabling finge...

journal_title：Nucleic acids research

authors： Gaulton A,Attwood TK

更新日期：2003-07-01 00:00:00

abstract：:The herpes simplex virus protein VP16 interacts with cellular factors, including the protein Oct-1, to activate viral immediate early (IE) gene transcription. We have reproduced this effect by addition of purified, full-length VP16 and the DNA-binding 'POU' domain of Oct-1 (Oct-1/POU) to a HeLa cell in vitro transcrip...

journal_title：Nucleic acids research

authors： Arnosti DN,Preston CM,Hagmann M,Schaffner W,Hope RG,Laughlan G,Luisi BF

更新日期：1993-12-11 00:00:00

abstract：:We have used heteroduplex analysis to investigate the sequences surrounding the germline C gamma 1 and C gamma 3 genes, and to compare them with those surrounding the C mu gene. We detected an inverted pseudogene 5' to the C gamma 3 gene and 50-65% homologous to it. A 400 bp region of the C gamma 1 and C gamma 3 3' fl...

journal_title：Nucleic acids research

authors： Tyler BM,Adams JM

更新日期：1980-12-11 00:00:00

abstract：:A requirement for specific RNA folding is that the free-energy landscape discriminate against non-native folds. While tertiary interactions are critical for stabilizing the native fold, they are relatively non-specific, suggesting additional mechanisms contribute to tertiary folding specificity. In this study, we use ...

journal_title：Nucleic acids research

authors： Mustoe AM,Al-Hashimi HM,Brooks CL 3rd

更新日期：2016-01-08 00:00:00

abstract：:The alpha/beta-hydrolase fold is characterized by a beta-sheet core of five to eight strands connected by alpha-helices to form a alpha/beta/alpha sandwich. In most of the family members the beta-strands are parallels, but some show an inversion in the order of the first strands, resulting in antiparallel orientation....

journal_title：Nucleic acids research

authors： Hotelier T,Renault L,Cousin X,Negre V,Marchot P,Chatonnet A

更新日期：2004-01-01 00:00:00

abstract：:Struct2Net is a web server for predicting interactions between arbitrary protein pairs using a structure-based approach. Prediction of protein-protein interactions (PPIs) is a central area of interest and successful prediction would provide leads for experiments and drug design; however, the experimental coverage of t...

journal_title：Nucleic acids research

authors： Singh R,Park D,Xu J,Hosur R,Berger B

更新日期：2010-07-01 00:00:00

abstract：:Reverse transcription of HIV-1 RNA is primed by a tRNA3(Lys) molecule bound at the primer binding site (PBS). Complex intermolecular interactions were proposed between tRNA3(Lys) and the RNA of the HIV-1 Mal isolate. Recently, an alternative interaction was proposed between the TPsiC stem of tRNA3(Lys) and a primer ac...

journal_title：Nucleic acids research

authors： Goldschmidt V,Ehresmann C,Ehresmann B,Marquet R

更新日期：2003-02-01 00:00:00

abstract：:The transcriptional activity of the p53 tumor suppressor protein is crucial for the regulation of cell growth, apoptosis and tumor progression. The first identified p53 relative, p73, was reported to be monoallelically expressed in normal tissues. In some tumors, loss of heterozygosity was associated with overexpressi...

journal_title：Nucleic acids research

authors： Vikhanskaya F,D'Incalci M,Broggini M

更新日期：2000-01-15 00:00:00

abstract：:As proteomics initiatives mature, the need will arise for the multiple visualization of proteins and supramolecular complexes within their true context, in situ. Single-stranded DNA and RNA aptamers can be used for low resolution imaging of cellular receptors and cytoplasmic proteins by light microscopy (LM). These te...

journal_title：Nucleic acids research

authors： Dellaire G,Nisman R,Eskiw CH,Bazett-Jones DP

更新日期：2004-11-23 00:00:00

abstract：:In flowering plants, RNA editing is a posttranscriptional process that converts specific C to U in organelle mRNAs. Nicotiana tabacum is an allotetraploid species derived from the progenitors of Nicotiana sylvestris and Nicotiana tomentosiformis. These Nicotiana species have been used as a model for understanding the ...

journal_title：Nucleic acids research

authors： Okuda K,Habata Y,Kobayashi Y,Shikanai T

更新日期：2008-11-01 00:00:00

abstract：:Histone H2A ubiquitination plays critical roles in transcriptional repression and deoxyribonucleic acid (DNA) damage response. More attention has been focused on ubiquitin E3 ligases of H2A, however, less is known about the negative regulators of H2A ubiquitination. Here we identified HSCARG as a new negative regulato...

journal_title：Nucleic acids research

authors： Hu B,Li S,Zhang X,Zheng X

更新日期：2014-05-01 00:00:00

abstract：:By introduction of recombinant plasmids into monkey CV1 cells, we have unambiguously demonstrated that sequences entirely within the 72 bp repeat, which is located upstream of the SV40 early region, are crucial for T-antigen expression in vivo. We have also shown that a DNA fragment containing the 72 bp repeat, insert...

journal_title：Nucleic acids research

authors： Moreau P,Hen R,Wasylyk B,Everett R,Gaub MP,Chambon P

更新日期：1981-11-25 00:00:00

abstract：:We devised an indicator gene for retrotransposition based on an autocatalytic ribozyme element--the Tetrahymena thermophila 23S rRNA group I intron--which can self-splice in vitro and does not require--at variance with nuclear mRNA introns--any specific pathway and cellular component for the completion of the splicing...

journal_title：Nucleic acids research

authors： Esnault C,Casella JF,Heidmann T

更新日期：2002-06-01 00:00:00

abstract：:Oligodeoxyribonucleotides incorporating non-hydrolyzable dialkyl sulfide linked thymidine dimers (TsT) were synthesized chemically by the solid-phase approach. The sulfide dimer TsT was stable to degradation by snake-venom phosphodiesterase, calf spleen phosphodiesterase, Nuclease P1 and Nuclease S1. Thermal denaturat...

journal_title：Nucleic acids research

authors： Kawai SH,Wang D,Giannaris PA,Damha MJ,Just G

更新日期：1993-03-25 00:00:00

abstract：:Regulatory T-cells (Treg) play an essential role in the negative regulation of immune answers by developing an attenuated cytokine response that allows suppressing proliferation and effector function of T-cells (CD4(+) Th). The transcription factor FoxP3 is responsible for the regulation of many genes involved in the ...

journal_title：Nucleic acids research

authors： Birzele F,Fauti T,Stahl H,Lenter MC,Simon E,Knebel D,Weith A,Hildebrandt T,Mennerich D

更新日期：2011-10-01 00:00:00

abstract：:The titration viscometric investigation of the multi-mode interaction of netropsin (Nt) with (A.T) clusters of NaDNA12 and NH4DNA10 has been extended to different temperatures. The position of two boundaries on the r-scale (r= [Nt]bound/[DNA-P]) with increasing temperature steadily (rI/II) or more abruptly (rO/I) shif...

journal_title：Nucleic acids research

authors： Reinert KE,Geller D,Stutter E

更新日期：1981-05-25 00:00:00

abstract：:DNA restriction fragments located 5' to the human c-myc gene display anomalous electrophoretic mobility on polyacrylamide gels. Computer modeling of the c-myc flanking DNA suggests that the slow-moving DNA fragments spanning nucleotides -1690 to -1054 (relative to c-myc promoter P1) and -718 to -452 form large left ha...

journal_title：Nucleic acids research

authors： Kumar S,Leffak M

更新日期：1989-04-11 00:00:00

abstract：:Pathogenic bacteria encounter host-imposed manganese (Mn) limitation during infection. Herein we report that in the human pathogen Streptococcus pyogenes, the adaptive response to Mn limitation is controlled by a DtxR family metalloregulator, MtsR. Genes upregulated by MtsR during Mn limitation include Mn (mtsABC) and...

journal_title：Nucleic acids research

authors： Do H,Makthal N,Chandrangsu P,Olsen RJ,Helmann JD,Musser JM,Kumaraswami M

更新日期：2019-08-22 00:00:00

abstract：:In the battle against viruses, antiviral peptides (AVPs) had demonstrated the immense potential. Presently, more than 15 peptide-based drugs are in various stages of clinical trials. Emerging and re-emerging viruses further emphasize the efforts to accelerate antiviral drug discovery efforts. Despite, huge importance ...

journal_title：Nucleic acids research

authors： Thakur N,Qureshi A,Kumar M

更新日期：2012-07-01 00:00:00

abstract：:Two DNA polymerases have been purified from the 105,000 x g supernatant of ungerminated wheat. The purification stages included: high speed centrifugation, salt fractionation, DEAE-cellulose chromatography, Sephadex G-150 filtration and phosphocellulose chromatography. Several properties of the two enzyme (called A an...

journal_title：Nucleic acids research

authors： Castroviejo M,Tarragó-Litvak L,Litvak S

更新日期：1975-11-01 00:00:00

abstract：:Transcription factors (TFs) regulate gene expression by binding to short DNA sequence motifs, yet their binding specificities alone cannot explain how certain TFs drive a diversity of biological processes. In order to investigate the factors that control the functions of the pleiotropic TF STAT3, we studied its genome...

journal_title：Nucleic acids research

authors： Hutchins AP,Diez D,Takahashi Y,Ahmad S,Jauch R,Tremblay ML,Miranda-Saavedra D

更新日期：2013-02-01 00:00:00

abstract：:The BRENDA enzyme information system (http://www.brenda-enzymes.org/) has developed into an elaborate system of enzyme and enzyme-ligand information obtained from different sources, combined with flexible query systems and evaluation tools. The information is obtained by manual extraction from primary literature, text...

journal_title：Nucleic acids research

authors： Chang A,Schomburg I,Placzek S,Jeske L,Ulbrich M,Xiao M,Sensen CW,Schomburg D

更新日期：2015-01-01 00:00:00

abstract：:Initiation of reverse transcription is a complex and regulated process in all retroviruses. Several base pairing interactions have been proposed to occur between the HIV-1 RNA genome and the specific tRNA(lys3) primer. The tRNA primer can form up to 21 bp with the primer binding site (PBS), and an additional 8 bp inte...

journal_title：Nucleic acids research

authors： Huthoff H,Bugala K,Barciszewski J,Berkhout B

更新日期：2003-09-01 00:00:00

abstract：:We have recently described three group I introns inserted into a single gene, orf142, of the staphylococcal bacteriophage Twort and suggested the presence of at least two additional self-splicing introns in this phage genome. Here we report that two previously uncharacterized introns, 429 and 1087 nt in length, interr...

journal_title：Nucleic acids research

authors： Landthaler M,Begley U,Lau NC,Shub DA

更新日期：2002-05-01 00:00:00

abstract：:RNase E is a 472-kDa homo-tetrameric essential endoribonuclease involved in RNA processing and turnover in Escherichia coli. In its N-terminal half (NTH) is the catalytic active site, as also a substrate 5'-sensor pocket that renders enzyme activity maximal on 5'-monophosphorylated RNAs. The protein's non-catalytic C-...

journal_title：Nucleic acids research

authors： Ali N,Gowrishankar J

更新日期：2020-01-24 00:00:00

abstract：:We have purified to near homogeneity a novel nuclear protein from HeLa cells, that specifically binds to scaffold or matrix attachment region DNA elements (S/MAR DNA). The protein, designated SAF-B for scaffold attachment factor B, is an abundant component of chromatin, but not of the nuclear matrix and is expressed i...

journal_title：Nucleic acids research

authors： Renz A,Fackelmayer FO

更新日期：1996-03-01 00:00:00