Tài liệu Báo cáo khoa học: A differential scanning calorimetry study of tetracycline repressor pptx

... leads to a doubling of the denaturation enthalpy value (Table 1). Effect of the scan rate Thermal denaturation of TetR was carried out at a protein concentration of 0.6 mgÆmL )1 andscanrate(v )of 0.1–2.0 ... immediately after the peak absorption was completed and then it was scanned again, or when heating was stopped near maximum point and then the sample was cooled and reheated....

Ngày tải lên: 20/02/2014, 02:21

... translations of a word that has several correct trans- lations will be assigned a lower probability than the correct translation of a word that has only one cor- rect translation. This imbalance ... in a word-level model of translational equivalence is to treat each link type as a candidate translation lexi- con entry, and to measure precision and recall. This evaluatio...

Ngày tải lên: 22/02/2014, 03:20

... Recognition Evaluation (LRE) data. The database was intended to establish a baseline of performance capability for language recognition of conversational tele- phone speech. The database contains recorded ... by a chan- nel noise. The n-gram language model has achieved equal amounts of success in both tasks, e.g. n-character slice for text categorization by lan- guage (Cavnar a...

Ngày tải lên: 20/02/2014, 15:20

... filtration and SDS/PAGE analysis showed that E. quadrivirgata DNaseIhadamolecularmassof35kDa.ItspH optimum of 7.5 was higher than those of mammalian enzymes [4,5,7,15–17] and lower than those of amphibia (pH ... tissues of E. quadrivirgata (B). (A1 ) Purified DNase I (about 1 lg) from human urine (lane 1), E. quadrivirgata pancreas (lane 2), E. climacophora pancreas (lane 3) and A. blo...

Ngày tải lên: 20/02/2014, 23:20

... temperature backscattered Raman a nd ROA spectra of bovine b-casein (top pair) and j-casein (bottom p air) at pH 7.0. Overall, the ROA spectra are very much a like, demonstrating that the basic ... same as the molten globule state as the latter is almost as compact as the folded state ( radius of gyration and hydrodynamic radius » 10±30% larger), has a hydrophobic core and contains...

Ngày tải lên: 21/02/2014, 15:20

... A point mutation in the ATP synthase of Rhodobacter capsulatus results in differential contributions of DpH and Du in driving the ATP synthesis reaction Paola Turina and B. Andrea Melandri Department ... Du. Membrane-bound F 0 F 1 -ATPases (ATP synthases) catalyze ATP synthesis in bacteria, chloroplasts and mitochondria at the expenses of an electrochemical potential gradient of p...

Ngày tải lên: 21/02/2014, 03:20

... Agrobacterium-mediated transformation of Arabidopsis thaliana. Plant J 16, 735–743. 60 Jefferson RA, Kavanagh TA & Bevan MW (1987) GUS fusions: beta-glucuronidase as a sensitive and versatile ... information for the functional analysis of plant DEVH box RNA helicases, and suggest that AtHELPS, as an impor- tant negative regulator, plays a role in K + deprivation stress. Abbreviati...

Ngày tải lên: 14/02/2014, 18:20

... (IMMONC), Ricerca Sanitaria Finalizzata, Ricerca Sanitaria Applicata; Ribovax Biotechnologies (Geneva, Switzerland) and Fondazione Italiana Ricerca sul Cancro (FIRC). References 1 Pancholi V (2001) ... G, Giallongo A, Milella M et al. (2009) An integrated humoral and cellular response is elicited in pancreatic cancer by alpha-enolase, a novel pancreatic ductal adenocarcinoma-associated ant...

Ngày tải lên: 14/02/2014, 19:20

... high-performance anion exchange chromatography (HPAEC) with a Carb- oPac PA-1 column on a Dionex (Sunnyvale, CA, USA) T. Na ¨ gele et al. Systems biology of cold acclimation in A. thaliana FEBS Journal ... T, Sawodny O, Ederer M & Heyer AG (2010) Mathematical model- ling of the central carbohydrate metabolism in Arabid- opsis thaliana reveals a substantial regulatory influence...

Ngày tải lên: 14/02/2014, 22:20

... commercially available antibodies, and their glycan alteration was examined by a lectin microarray. Finally, they were analyzed by multi- stage tandem MS. Abbreviations AAL, Aleuria aurantia lectin; AFP, ... the dynamic mammalian glycome. Proc Natl Acad Sci USA 104, 11534–11539. 14 Tateno H, Uchiyama N, Kuno A, Togayachi A, Sato T, Narimatsu H & Hirabayashi J (2007) A novel strat- e...

Ngày tải lên: 16/02/2014, 08:20