Báo cáo khoa học: "COMPARATIVES AND ELLIPSIS " potx
... COMPARATIVES AND ELLIPSIS s. G. Puhnan SRI International, and University of Cambridge Computer Laboratory SRI International Cambridge ... CB2 1RQ sgp@cam.sri.com ABSTRACT This paper analyses the syntax and seman- tics of English comparatives, and some types of ellipsis. It improves on other recent analy- ses in the computational ... them as unacceptable. Comparatives with...
Ngày tải lên: 01/04/2014, 00:20
... two different sources: FIFA and UEFA. Semi- structured data, news articles and match reports covering the WorldCup2006 are identified and collected from the FIFA website. Match reports and news articles ... Schäfer, and Feiyu Xu. 2004. Shallow processing with unification and typed fea- ture structures – foundations and applications. Künstliche Intelligenz, 1:17-23. Kifer, M., La...
Ngày tải lên: 22/02/2014, 02:20
... distinguished. Helices B, E, F and H, arranged in an up -and- down topology, form the structural core, whereas the short helices C, D and G on one side, and A, I and J on the other, represent types ... molecule involving a-helix A, the nearby loop, the first and last turns of helices E and F, and the C-terminus helices I and J. In addition, there is a lysine-rich N- and C-ter...
Ngày tải lên: 06/03/2014, 00:21
Báo cáo khoa học: Flexibility and communication within the structure of the Mycobacterium smegmatis methionyl-tRNA synthetase Henrik Ingvarsson and Torsten Unge potx
... this interaction. The position and curvature of the b8 and the b4 strands is stabilized by an ion-pair interaction between Glu161 and Arg210, which also forms hydro- gen bonds to Gln54 and a water molecule ... of the catalytic domain, the N-terminal end of strand b4 and helix a5, and the C-terminal end of strand b8 belonging to the CP domain (Figs 1 and 2). Each MetRS binds one...
Ngày tải lên: 06/03/2014, 22:21
Báo cáo khoa học: Mechanisms and kinetics of human arylamine N-acetyltransferase 1 inhibition by disulfiram potx
... hydrazines and their N-hydroxylated metabolites [12]. NATs plays a key role in the detoxification and ⁄ or activation of numerous drugs and carcinogens [13]. In humans, two functional isoforms, NAT1 and ... Molecular genetics and function of NAT1 and NAT2: role in aromatic amine metabolism and carcinogenesis. Mutat Res 65, 506–507. 14 Grant DM, Blum M, Beer M & Meyer UA (1991...
Ngày tải lên: 07/03/2014, 02:20
Báo cáo khoa học: Meiosis and small ubiquitin-related modifier (SUMO)conjugating enzyme, Ubc9 potx
... to be introduced and this is followed by formation of single-stranded DNA. The formed single-stranded ends then invade regions of homology in the other allele. After strand invasion and initial repair ... CcUbc9, CcTopII and CcPCNA. Moreover, both TopII and PCNA homologs were known as Ubc9 interactors and the targets of sumoylation. Immunocytochemistry demonstrates that CcUbc9, CcTo...
Ngày tải lên: 07/03/2014, 09:20
Báo cáo khoa học: Expression and physiological role of CCN4⁄Wnt-induced secreted protein 1 mRNA splicing variants in chondrocytes potx
... sequence analysis revealed that the longest and intermediate bands were full-length CCN4 ⁄ WISP1 and WISP1v, respectively. However, the shortest band was a novel variant of WISP1 (WISP1vx) not ... overexpressed) and the CCN family of genes: structural and functional issues. Mol Pathol 54, 57–79. 4 Takigawa M (2003) CTGF ⁄ Hcs24 as a multifunctional growth factor for fibroblasts, chondr...
Ngày tải lên: 07/03/2014, 10:20
Báo cáo khoa học: Engineering and characterization of human manganese superoxide dismutase mutants with high activity and low product inhibition potx
... David N. Silverman 2 and Huimin Zhao 1 1 Departments of Chemical Engineering and Biomolecular Engineering, and Chemistry, Institute for Genomic Biology, Center for Biophysics and Computational Biology, ... screening Error-prone PCR and DNA shuffling were separately used to create a randomized library of protein variants based on the Q143A hMnSOD template. One hundred and fifty thous...
Ngày tải lên: 07/03/2014, 11:20
Báo cáo khoa học: Structure and mechanism of the ThDP-dependent benzaldehyde lyase from Pseudomonas fluorescens potx
... POX (pink) and PDC (red) together with some residues important for cofactor binding and catalysis. The BAL residues are labeled and the BAL hydrogen bonds are displayed. The yellow and red residues ... A ˚ resolution, suggest the geometry of the reaction and explain the substrate specificity in structural terms. Results and Discussion Structure determination and description BAL i...
Ngày tải lên: 07/03/2014, 12:20
Báo cáo khoa học: "Tense and Aspect Error Correction for ESL Learners Using Global Context" potx
... English error detection and correction has focused on article errors (Knight and Chander, 1994; Brockett et al., 2006) and preposi- tion errors (Chodorow et al., 2007; Rozovskaya and Roth, 2011), that ... LIBLINEAR 1.8 9 and a CRF and a MAXENT model with CRF++ 0.54. 10 We use the default parameters for each toolkit. In every method, we use the same features and feature described...
Ngày tải lên: 07/03/2014, 18:20