Tài liệu Báo cáo khoa học: 2,5-diamino-6-ribitylamino-4(3H)-pyrimidinone 5¢-phosphate synthases of fungi and archaea docx

... (in fungi and archaea) . We compare 2,5-diamino-6- ribitylamino-4(3H)-pyrimidinone 5¢-phosphate synthases from the yeast Candida glabrata, the archaeaon Methanocaldococcus jannaschii and the eubacterium ... Construction of a synthetic gene for 2,5-dia- mino-6-ribitylamino-4(3H)-pyrimidinone 5¢-phosphate synthase of A. aeolicus. W. Ro ¨ misch-Margl et al. Pyrimidine nucleotide...

Ngày tải lên: 18/02/2014, 18:20

... of transformation of S 1 into S 3 is calculated as corresponding to both the rate of consumption of S 1 , v(s 1 ), and the rate of production of S 3 , v(s 3 ), and the shape of the curves {s 1 , ... over a wide range of low values of s 1 has a relatively constant and high rate of consumption of S 1 but that with higher values of s 1 drops rapidly to a constant a...

Ngày tải lên: 19/02/2014, 06:20

... content of 7- and 14-day-old plants. pH optimum and substrate specificity of barley CKX The effect of pH on the activity of recombinant HvCKX2 and CKXs from grain, root and leaf extracts of barley ... Experimental Botany of the Academy of Science, Olomouc, Czech Republic; 3 Institute of Biology/Applied Genetics, Free University of Berlin, Germany; 4 Department of Bi...

Ngày tải lên: 19/02/2014, 16:20

... for each edge of the graph. 6: Refine the scores  S 1 and  S 3 of the k 2 sentiment and topic word candidates using Eqs. (5) and (6) iteratively. 7: Select k 1 new sentiment words and k 1 new ... set of nodes represents topic words, including new topic candi- dates and words in the lexicon C, and the other set of nodes represents sentiment words, including new sentiment c...

Ngày tải lên: 19/02/2014, 19:20

... features of the LPO and MPO catalytic cycle, such as the existence of Compound I and Compound II isomers and the identification of their spectroscopic properties. After addressing each of these ... each of these questions, we will propose a new hypothesis that describes an integrated vision of the catalytic mechanism of MPO and LPO. A brief survey of the absorption feat...

Ngày tải lên: 20/02/2014, 02:21

... composed of features like POS, the number of complements, category of each complement, and the position of comple- ments. In their view, structural disambiguation is simply another type of lexical ... comparative difficulty of object-relative clauses has been ex- plained in terms of verbal working memory (King and Just, 1991), distance between the gap and the filler (Bever...

Ngày tải lên: 20/02/2014, 11:21

... Several of the antibodies and antisera caused a concentration- dependent inhibition of the SOD-like activity of PrP. The ability of the antibodies and antiserum to inhibit the SOD- like activity of ... activity of PrP. Production of deletion mutants of PrP On the basis of the results with antibodies, a series of PrP mutants were made to assess whether deletions of ce...

Ngày tải lên: 21/02/2014, 00:20

... legal class must be assigned to the facts of the case at hand, but when an exact match cannot be roland between those facts and any of the definitions of possible legal classes. In that situation, ... application discussed here (the assignment of an instance of a knowledge structure to one of a set of classes), inexact matching and close relatives thereof are als...

Ngày tải lên: 21/02/2014, 20:20

... Sayre 5 1 Department of Biochemistry, 2 Laboratory of Growth Regulators, and 3 Department of Analytical Chemistry, Faculty of Science, Palacky ´ University, Olomouc, Czech Republic; 4 Department of Analytical ... (fragmentation: m/z 317.3, 305.2, 291.1, 253.2 and 240.1), 350.2 (fragmentation: m/z 333.2 and 307.1) and 431.3 (fragmentation: m/z 414.3, 388.3 and 337.1). MALDI...

Ngày tải lên: 19/02/2014, 16:20

... a six-blade b-propeller containing five four-stranded sheets and one five-stranded sheet. Expression and purification of PhyH, PhyH-DI and PhyH-DII PhyH, PhyH-DI and PhyH-DII were each expressed in Escherichia ... are two pairs of cysteine residues, Cys142 and Cys193 in PhyH-DII and Cys445 and Cys495 in PhyH-DI. These residues are at the same positions as Cys157, Cys206, Cys450...

Ngày tải lên: 14/02/2014, 15:20