... score, and indicates how close the candidate label ranking is to the optimal ranking within the set of annotated candidates, noting that an nDCG-N score of 1 tells us nothing about absolute values of ... (Wei and Croft, 2006) and image labelling (Feng and Lapata, 2010). One standard way of interpreting a topic is to use the marginal probabilities p(w i |t j ) associated wit...
Ngày tải lên: 30/03/2014, 21:20
... are of obvious utility in identify- ing the POS classes NP and CD since names in En- glish are usually capitalized and numbers are writ- ten with digits and special characters such as comma and ... part -of- speech tag- ging using decision trees. In New Methods in Lan- guage Processing, pages 44–49. Michael Steinbach, George Karypis, and Vipin Kumar. 2000. A comparison...
Ngày tải lên: 30/03/2014, 21:20
Báo cáo y học: "Genetic polymorphism of p53, but not GSTP1, is association with susceptibility to esophageal cancer risk – A Meta-Analysis"
... Nanduri B, Pikula S, Bandorowicz-Pikula J, Singhal SS, Srivastava SK, Awasthi S, Awasthi YC: Naturally occurring human glutathione s-transferase gstp1-1 isoforms with isoleu- cine and valine ... asso- ciated with increased esophageal SCC risk [40], it is worth mentioning that there are 2 main forms of esophageal cancer histologically, squamous cell car- cinoma (SCC) and adenocar...
Ngày tải lên: 25/10/2012, 11:40
Tài liệu Báo cáo khoa học: Functional analysis of the basic helix-loop-helix transcription factor DEC1 in circadian regulation ppt
... the C-terminal region, including the PAS-B domain of BMAL1, is required for the binding to DEC1, Fig. 4. Identification of the domain of D EC1 that interacts with BMAL 1. Interactions of various ... CLOCK/BMAL1-induced transcription. In addition, the N-terminal region of DEC1, including the bHLH domain, interacted with the C-terminal r egion o f BMAL1 in a mammalian two-hybri...
Ngày tải lên: 19/02/2014, 16:20
Tài liệu Báo cáo Y học: Novel complexes of mammalian translation elongation factor eEF1AÆGDP with uncharged tRNA and aminoacyl-tRNA synthetase potx
... protein–protein and protein–tRNA inter- actions, eEF1AÆGDP, being in the quaternary complex, may interact with eEF1Ba, the factor of GDP/GTP exchange. A possible association of ARS, eEF1A and Table ... detected by various footprinting assays [16]. These sites of interaction of mammalian tRNA with eEF1AÆGDP were shown to coincide with those of aminoacyl-tRNA in the comp...
Ngày tải lên: 21/02/2014, 15:20
Báo cáo khoa học: Crystal structure of salt-tolerant glutaminase from Micrococcus luteus K-3 in the presence and absence of its product L-glutamate and its activator Tris pdf
... amino acid residues of Mglu and Bacillus glutaminases induced by ligand binding. Displacements of the conserved amino acid residues in Table 2 are indicated by circles. (A) Backbone atoms of ... sites of Mglu and Bacillus glutaminase in the presence and absence of ligands. Backbone atoms of the seven conserved amino acid residues and the three conserved tyrosine residu...
Ngày tải lên: 06/03/2014, 09:22
Báo cáo khoa học: Definition of the residues required for the interaction between glycine-extended gastrin and transferrin in vitro pptx
... studies showing the binding of gastrin to a transferrin with the iron-binding residues in both lobes mutated, or to the individually expressed N-lobe or C-lobe with and without the iron-binding residues mutated, ... domains ⁄ residues of Ggly involved in the interaction (using Ggly mutants), and, finally, to determine the regions of transferrin required for the interaction wi...
Ngày tải lên: 07/03/2014, 02:20
Báo cáo khoa học: Increased susceptibility of b-glucosidase from the hyperthermophile Pyrococcus furiosus to thermal inactivation at higher pressures pptx
... synthetic proteins [14]. Hydrostatic pressure is increasingly being used in the study of protein folding, misfolding, aggregation and transitions. In comparison with other methods of denaturation, ... (solid line, bold) and at 740 MPa (solid line) and (C) at 85 °C at 0.1 MPa (solid line, bold), at 1.0 GPa (solid line) and after pressure release (dotted line). The arrows indi...
Ngày tải lên: 07/03/2014, 03:20
Báo cáo khoa học: Interaction analysis of the heterotrimer formed by the phosphatase 2A catalytic subunit, a4 and the mammalian ortholog of yeast Tip41 (TIPRL) ppt
... purification of three catalytic subunits of the protein serine ⁄ threonine phos- phatase 2A family (PP2A(C), PP4(C), and PP6(C)) and analysis of the interaction of PP2A(C) with a4 protein. Protein Expr ... stoichiometric, and binding of the third protein without displacing the one that was previously associated with the complex was interpreted as an evidence of simultaneo...
Ngày tải lên: 07/03/2014, 05:20
Báo cáo Y học: Co-existence of two regulatory NADP-glyceraldehyde 3-P dehydrogenase complexes in higher plant chloroplasts ppt
... containing various ions, sugars, and amino acids (see Materials and methods) and in addition 140 l M NAD, 10 m M GSSG and BSA (20 mgÆmL )1 )inorderto simulate the conditions of high protein concentration ... residues mediated by the ferredoxin/thioredoxin system [1]. The activity of each of these enzymes is adjusted by fine-tuning, the rates of reduction and/ or of oxidati...
Ngày tải lên: 08/03/2014, 09:20