Báo cáo khoa học: Fluorescent and colored trinitrophenylated analogs of ATP and GTP docx
Báo cáo khoa học: Fluorescent and colored trinitrophenylated analogs of ATP and GTP docx
... REVIEW ARTICLE Fluorescent and colored trinitrophenylated analogs of ATP and GTP Toshiaki HiratsukaDepartment of Chemistry, Asahikawa Medical College, Japan Fluorescent and colored trinitrophenylated ... systems.Keywords: TNP -ATP; TNP -GTP; trinitrophenylated ATP; trinitrophenylated GTP; fluorescent nucleotide analogs; nucleotide-requiring proteins.Nucleoside triphosphates are crucial mediators of life. ATP is ... TNPnucleotide analog in the absence and presence of varying,fixed concentrations of the ligand of interest. The presence of ligand as competitor has profound effects on the binding of TNP analog, making it...
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Tài liệu Báo cáo khoa học: Evidence for interactions between domains of TatA and TatB from mutagenesis of the TatABC subunits of the twin-arginine translocase docx
... domains of TatA and TatB from mutagenesis of the TatABC subunits of the twin-arginine translocaseClaire M. L. Barrett and Colin RobinsonDepartment of Biological Sciences, University of Warwick, ... domains and cytoplasmicregions of TatA and TatB, and the highly conservedresidues of TatC have also been probed [24–27]. In thisreport we have analyzed the transmembrane regions of TatA and TatB, ... previouslyin TatA, B and C and we present new information onpotentially important TatA and TatC mutants.ResultsAnalysis of TatA and TatB mutantsThe overall structures of the TatA and TatB subunitsare...
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Tài liệu Báo cáo khoa học: Adaptive changes in the expression of nuclear and mitochondrial encoded subunits of cytochrome c oxidase and the catalytic activity during hypoxia pptx
... coded isoforms of CytOX V [10,32]. Theregulation of genes CytOX5a and CytOX5b, coding for thetwo isofoms Va and Vb, parallels that of genes CYC1 and CYC7, which encode iso-1 and iso-2 of yeast cytochrome ... Otto2 and Narayan G. Avadhani11Department of Animal Biology and 2Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania,Philadelphia, PA, USAThe effects of ... 0.1% Chaps and 150 mMNaCl and protease inhibitors [5 lgÆmL)1pepstatinA, 5 lgÆmL)1aprotinin, and 1 mMphenylmethanesulfonylfluoride]) and lysed by three cycles of freezing and thawingin...
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Báo cáo khoa học: Human telomeric G-quadruplex: structures of DNA and RNA sequences ppt
... G-tracts of one strand and onlythe 3¢-end G-tract of the other strand [30] (Fig. 3D).The core of this structure, called the (3 + 1) core, hasthree strands oriented in one direction and one strandoriented ... con-formations of guanines along two consecutive G-tractsare 5¢-syn-anti-anti-3¢ and 5¢-syn-syn-anti-3¢ for onestrand and 5¢-syn-syn-anti-3¢ and 5¢-syn-anti-anti-3¢ forthe other strand of the dimer; ... of DNA and RNA sequencesAnh Tuaˆn PhanSchool of Physical & Mathematical Sciences, Nanyang Technological University, SingaporeIntroductionHuman telomeric DNA contains thousands of tandemrepeats...
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Báo cáo khoa học: "Bootstrapping a Unified Model of Lexical and Phonetic Acquisition" potx
... Buckeyeis a corpus of adult-directed conversational Ameri-can English, and has been phonetically transcribed4We use the implementation of Andrew and Gao (2007) withanl2regularizer and regularization ... model features arebased on articulatory phonetics and distinguish threedimensions of sound production: voicing, place of articulation and manner of articulation.Features are generated from four ... same-sound,same-voice, same-place and same-manner whichcheck if curr is exactly identical to out or sharesthe exact value of a particular feature.Our choice of templates and features is based onstandard linguistic...
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Báo cáo khoa học: Differential gene expression profiles of red and green forms of Perilla frutescens leading to comprehensive identification of anthocyanin biosynthetic genes doc
... color of seeds and flowers, and the involvement of these genes in seques-tration of anthocyanin and proanthocyanidin into vac-uoles has been experimentally proven. However, thequestions of whether ... interesting and useful for better understand-ing of molecular regulation underlying the production of secondary products. In particular, combinatorialanalysis of transcriptome and metabolic ... transport of anthocyanin in anyother plant species, and if so, how diverse the GSTproteins are in terms of their structures and functions,remain to be solved by isolation and characterizationof...
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Báo cáo khoa học: Murine serum nucleases – contrasting effects of plasmin and heparin on the activities of DNase1 and DNase1-like 3 (DNase1l3) doc
... activity of both nucleases varied in the presence of either Mg2+or Mn2+ions. Thus, the pH optimum of rmDNase1Fig. 5. Influence of Mn2+ and Mg2+ions on the activity of rmDN-ase1 and rmDNase1l3. ... demonstrated by ourobservation of enhanced cleavage of pDNA and chro-matin in the presence of Mn2+. From these findings,we propose that the activating mode of histone H1 and Mn2+on DNA hydrolysis ... DNase1,DNase1l3 and double KO mice will provide furtherinsight into the exact function and role of the two nuc-leases in the prevention of antinuclear autoimmunity.Materials and methodsCloning of murine...
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Báo cáo khoa học: "A Nonparametric Method for Extraction of Candidate Phrasal Terms" docx
... words with a cutoff of N=10. The resulting n-gram set had a maximum recall of 2,610 phrasal terms from the WordNet gold standard, and found the best figure of merit for any of the association ... where α is the candidate string f(α) is its frequency in the corpus Tα is the set of candidate terms that contain α P(Tα) is the number of these candidate terms 6091,700 of the three-word ... 2001 and Schone & Jurafsky 2001. This is of course untrue, and justifiable only as a simplifying idealization in the absence of a better model. The actual probability of any sequence of...
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Báo cáo khoa học: "Corpus Effects on the Evaluation of Automated Transliteration Systems" docx
... that of the source language.Transliteration is applied to proper nouns and out- of- vocabulary terms as part of machine translation and cross-lingual information retrieval (CLIR) (Ab-dulJaleel and ... Bilac and Tanaka, 2005; Oh and Choi,2006; Zelenko and Aone, 2006), or gathered ex-plicitly from human transliterators (Al-Onaizan and Knight, 2002; Zelenko and Aone, 2006). Some eval-uations of ... knowledge of second languages: high familiarity with English,some knowledge of Arabic, and little or no priorknowledge of Dutch. Also, the majority of themfound the transliteration of English...
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Báo cáo khoa học: "A Note on the Implementation of Hierarchical Dirichlet Processes" docx
... johnson@brown.edu∗Department of InformaticsUniversity of EdinburghEdinburgh, EH8 9AB, UK†Department of Cognitive and Linguistic SciencesBrown UniversityProvidence, RI, USAAbstractThe implementation of collapsed ... set of possible words, P0(the base distribution of theDP) determines the probability that an item willbe in the support of G, and α0(the concentrationparameter) determines the variance of ... estimates of this distribution are based onthe counts of those labels, i.e., the number of tablesassociated with each word type.An example of such a hierarchical model is theHDP bigram model of...
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