Báo cáo khoa học: Structure analysis of the flavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the flavin reductase family pdf
... isoalloxazine ring of FeR is completely exposed to the solvent (Fig. S5B). Resolution of the structure of NADP + -bound FeR revealed that the nicotinamide moiety of NADP + faces the re-side of the isoalloxazine ... flavoredoxin Figure 4 shows the results of linear regression analysis of the logarithms for the redox ratio of the mediator versus that...
Ngày tải lên: 07/03/2014, 02:20
... of pages that sat- isfy a given query. In case the query is a term, its hit is the number of pages that contain the term on the Web. We use the following notation. H(x)= the number of pages that ... select the top N (= 30) terms from the list L by using a scoring function. For the scoring function of a term x, we use the following function, which is multiply...
Ngày tải lên: 20/02/2014, 16:20
... a fold that has been observed for all family 1 glycosyl hydrolases. The sequence and structure of the b-glucosidase from P. fu- riosus resemble those of the b-glucosidase of Sulfolo- bus solfataricus. ... are crucial for the stability of the b-glucosidase from S. solfataricus [1]. In this study, we explored the stability of b-glucosi- dase from P. furiosus...
Ngày tải lên: 07/03/2014, 03:20
Báo cáo khoa học: Structural studies of thymidine kinases from Bacillus anthracis and Bacillus cereus provide insights into quaternary structure and conformational changes upon substrate binding pot
... upon formation of hydrogen bonds to the a-phosphate of the phosphate donor, dTTP. In addition to descriptions of the different conformations that TK may adopt during the course of reac- tion, the ... a 3-A ˚ dissociation of subunits interacting by a1. The base of dTTP is inserted between the a1-helix of two subunits and is stacked between the rings of Phe18...
Ngày tải lên: 23/03/2014, 09:21
Tài liệu Báo cáo khoa học: Comparative studies of endonuclease I from cold-adapted Vibrio salmonicida and mesophilic Vibrio cholerae docx
... irreversible unfolding for VsEndA is higher than for Vc EndA, with a half-life of % 13 and 33 min, respectively. Substrate specificity analysis An analysis of the substrate specificity for DNA of the enzymes ... to both salinity and temperature. The K m of VsEndA is higher than that of VcEndA; therefore, the more posit- ive surface of VsEndA does not seem to signifi...
Ngày tải lên: 19/02/2014, 05:20
Tài liệu Báo cáo khoa học: "AUTOMATIC ACQUISITION OF SUBCATEGORIZATION FRAMES FROM UNTAGGED TEXT" doc
... more useful, but they have a fairly high error rate, and degrade in the presence of many unfamiliar words. Further, it is often difficult to understand where the error is coming from or how ... terms of efficiency and accuracy. The most useful estimate of effi- ciency is simply the density of observations in the corpus, shown in the first column of Table 3. T...
Ngày tải lên: 20/02/2014, 21:20
Báo cáo khoa học: Molecular imprinting of cyclodextrin glycosyltransferases from Paenibacillus sp. A11 and Bacillus macerans with c-cyclodextrin pptx
... preparations for comparison. The effect of pH on the activity of the different CGTase preparations from A11 and BM was Table 1. Degree of derivatization of the CGTases from A11 and BM obtained with different ... imprinting had a pronounced effect on the structure of the active site of the enzymes. Imprinting of the CGTases with CD of different sizes s...
Ngày tải lên: 07/03/2014, 10:20
Báo cáo khoa học: "Extracting Paraphrases of Technical Terms from Noisy Parallel Software Corpora" pot
... identify and remove 197 context-peculiar paraphrases. The contributions of our work are twofold. First, we studied the important problem of para- phrase extraction from a noisy semi-parallel soft- ware ... theirs. The following provides a summary of their technique. Two types of paraphrase patterns are defined: (1) Syntactic patterns which consist of the POS tags of th...
Ngày tải lên: 08/03/2014, 01:20
Báo cáo khoa học: "Automatic Compilation of Travel Information from Automatically Identified Travel Blogs" doc
... database and ex- tracted travel information from them. We have confirmed the effectiveness of our method by experiment. For the identification of travel blogs, we obtained scores of 38.1% for Recall ... Compilation of Travel In- formation The task of compiling travel information is di- vided into two steps: (1) identification of travel blogs and (2) extraction of...
Ngày tải lên: 08/03/2014, 01:20
Báo cáo khoa học: "Automatic Acquisition of Adjectival Subcategorization from Corpora" docx
... [*;3;noun/pronoun], _) ncmod([for;*;if], ˜, [*;4;noun/pronoun]) ncsubj(2, 4) Figure 5: A pattern to match the frame adj-obj-for-to-inf VP is the NP of the PP. The only part of the feature structure which is ... view of the in- frequent occurrence of some of the SCFs, although combining the results of competing parses may in some cases result in an inconsistent or...
Ngày tải lên: 08/03/2014, 04:22