Báo cáo khoa học: "From Information Structure to Intonation: A Phonological Interface for Concept-to-Speech" pot

Tài liệu Báo cáo khoa học: The crystal structure of human a-amino-b-carboxymuconatee-semialdehyde decarboxylase in complex with 1,3-dihydroxyacetonephosphate suggests a regulatory link between NAD synthesis and glycolysis ppt

... hepatocyte nuclear factor 4a andperoxisome proliferator-activated receptor a. MolPharmacol 70, 1281–1290.9 Ogata S, Takeuchi M, Fujita H, Shibata K, Okumura K& Taguchi H (2000) Apoptosis ... 1.6Mean B-factor protein (A ˚2) 15.3Mean B-factor solvent (A ˚2) 25.2Mean B-factor DHAP ⁄ Zn (A ˚2) 39.3 ⁄ 10.1Mean B-factor glycerol atoms (A ˚2) 25.6S. Garavaglia et al. Crystal structure ... decarboxylation catalysed by a- amino-b-carboxymuconate-e-semialdehyde decarbox-ylase. J Am Chem Soc 129, 9278–9279.20 Fukuoka SI, Ishiguro K, Yanagihara K, Tanabe A, Egashira Y, Sanada H &...

Tài liệu Báo cáo khoa học: "Using Multiple Sources to Construct a Sentiment Sensitive Thesaurus for Cross-Domain Sentiment Classiﬁcation" doc

... domain. Using a sparse matrix format and approximate similaritymatching techniques (Sarawagi and Kirpal, 2004),we can efficiently create a thesaurus from a large setof reviews.4 Feature ExpansionOur ... mutual information between a feature (uni-gram or bigram) and a domain label. After selectingsalient features, the SCL algorithm is used to train a binary classifier. SFA is the spectral feature align-ment ... UKj .a. carroll@sussex.ac.ukAbstractWe describe a sentiment classification methodthat is applicable when we do not have any la-beled data for a target domain but have somelabeled data for multiple other domains,...

Tài liệu Báo cáo khoa học: "USING BRACKETED PARSES TO EVALUATE A GRAMMAR CHECKING APPLICATION" ppt

... hand parse). We have developed a methodology for using hand-bracketed parses to examine both the internal and external performance of a grammar checker. The internal performance refers to ... notated for style violations. No-parses cause the system to attempt a 'fitted parse', as a means of producing some information on more serious grammar violations. As mentioned earlier, ... Pullum, and I. Sag. 1985. Generalized Phrase Structure Grammar. Cambridge, Mass.: Harvard University Press. Harrison, P. 1988. A New Algorithm for Parsing Generalized Phrase Structure Grammars....

Báo cáo khoa học: The crystal structure of NlpI A prokaryotic tetratricopeptide repeat protein with a globular fold potx

... Core Facility (Yale University,New Haven, CT, USA). Primers to amplify mature NlpI(residues 20–294) were 5¢-aataatccatggggagtaatacttcctggcgtaaaagtgaagtcc-3¢ and 5¢-attattggatccctattgctggtccgattctgccag-3¢.3-TPR ... 5¢-attattggatccctattgctggtccgattctgccag-3¢.3-TPR NlpI primers (residues 62–197) were 5¢-aataatccatgggggcacagcttttatatgagcgcggag-3¢ and 5¢-aataatggatcctcactgttccttatccgatttttcgaagtgc-3¢. PCR products were ... three-wavelengthMAD data set was collected from a SeMet–NlpI crystal atbeamline X12C, of the National Synchrotron Light Source,Brookhaven National Laboratory. Data was collected for three wavelengths (Table...

Tài liệu Báo cáo khoa học: Diol dehydratase-reactivating factor is a reactivase – evidence for multiple turnovers and subunit swapping with diol dehydratase pdf

... a Grant in Aid for NaturalSciences Research (to T. Toraya) from the Asahi GlassFoundation, Tokyo, Japan. We thank Y. Kurimoto for her assistance with manuscript preparation.References1 Banerjee ... Bando R, Hieda N & Toraya T (2004)Identiﬁcation of a reactivating factor for adenosylcobalamin-dependent ethanolamine ammonialyase. J Bacteriol 186, 6845–6854.27 Baker JJ & Stadiman ... K, Hieda N, Yamanishi M, Shibata N &Toraya T (2005) Crystallization and preliminary X-rayanalysis of molecular chaperone-like diol dehydratase-reactivating factor in ADP-bound and nucleotide-freeforms....

Tài liệu Báo cáo khoa học: What makes biochemical networks tick? A graphical tool for the identiﬁcation of oscillophores ppt

... his w ay all t ypesof reactions can be analyzed in a uniform manner. Theprocedure allows us to estimate the p arameter values for which oscillations occur. Presence or absence of steadystates ... feedbackinteractions (autocatalysis). They can also be interpreted asproduct activation in some enzyme reactions, because a reaction product here stimulates the same re action. Anotherexample ... molecular context a newgraphical approach is presented that enables the classiﬁca-tion of network topologies into oscillophoretic and non-oscillophoretic, i.e. into ones that can and ones that cannotinduce...

Tài liệu Báo cáo khoa học: From heart to mind The urotensin II system and its evolving neurophysiological role ppt

... points to the directactivation of cerebral vasculature or the activation ofbrain areas that are involved in cardiovascular regula-tion. The noradrenergic A1 area, located in the lowermedulla has ... of somatostatin receptorsis demonstrated by the fact that the UII receptor isactivated by micromolar concentrations of somato-statin derivatives and can be blocked by somatostatinantagonists ... Centre for Addiction and Mental Health, Toronto, Ontario, CanadaIntroductionUrotensin II (UII) is a peptide structurally related to somatostatin ⁄ cortistatin peptides. It contains a carboxy-terminal...

Tài liệu Báo cáo khoa học: Relationships between structure, function and stability for pyridoxal 5¢-phosphate-dependent starch phosphorylase from Corynebacterium callunaeas revealed by reversible cofactor dissociation studies doc

... ofactivity displayed a saturatable dependence on the phos-phate concentration and results from interactions with theoxyanion that are specific to the quarternary state.Arg234fiAla and Arg242fiAla ... 3323recovered activity to Eqn (4) and are summarized inTable 2 . T hey reveal marked d ecreases i n t he apparentaffinities of the R23 4A and R24 2A m utants for phosphate,compared to wild-type.DEA ¼ DEAmax½Pi=ðKdPiþ½PiÞ ... ofphosphate and the cofactor 5¢-phosphate in a modelcompound. These data are consistent with a pH-depend-ent mechanism in which the cofactor phosphate must beprotonated so that catalysis to a- glucan...

Tài liệu Báo cáo khoa học: "Using adaptor grammars to identify synergies in the unsupervised acquisition of linguistic structure" docx

... structure needs to be “built in” to an adaptor grammar compared to a comparable PCFG. For example, the adaptor gram-mars for syllable structure presented in sections 3.3and 3.6 learn more information ... PCFGs to Adaptor GrammarsThis section introduces adaptor grammars as an ex-tension of PCFGs; for a more detailed exposition seeJohnson et al. (2007b). Formally, an adaptor gram-mar is a PCFG ... investigated grammars that combinethese kinds of information. There does not seem to be a straight forward way to design an adaptorgrammar that models both morphology and sylla-ble structure, as...

Tài liệu Báo cáo khoa học: Puriﬁcation and characterization of a membrane-bound enzyme complex from the sulfate-reducing archaeon Archaeoglobus fulgidus related to heterodisulﬁde reductase from methanogenic archaea pdf

... obtainpotentials relative t o the standard hydrogen electrode, a value of 207 mV (corresponding to the potential of Ag/AgCl at 25 °C) was added to t he measured redox potentials.Determination of amino-acid ... regionupstream o f A F499 is AT-rich and contains typical a rchaealpromoter elements. The sequence AAAGGTTAATATAwas f ound 64 bp upstream of the start codon of AF499; thiscorresponds to the BRE ... identiﬁed asan archaeal promoter element by seque nce analysis. The sequ ence AAAGGTTAATATA shows a high le vel of identity with th e consensus se quence()35 to )23, AAANNNTTATATA) ; the sequence...

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