Tài liệu Báo cáo khoa học: Comparative studies on the functional roles of N- and C-terminal regions of molluskan and vertebrate troponin-I pdf

... 375–380. Functional regions of molluskan TnI H. Tanaka et al. 4486 FEBS Journal 272 (2005) 4475–4486 ª 2005 FEBS Comparative studies on the functional roles of N- and C-terminal regions of molluskan and ... In the present study, we compared the functional roles of the N- and C-terminal regions of molluskan and vertebrate TnI and...

Ngày tải lên: 20/02/2014, 01:20

... an in-line attack on the scissile phosphate in the DNA substrate. The role of the active-site magnesium ion is to stabilize the phosphoanion transition state and make a proton available for the ... characterization of the enzymes, we carried out an analysis of the NaCl requirements and pH optimum of VsEndA and VcEndA. The optimum NaCl concen- trations for act...

Ngày tải lên: 19/02/2014, 05:20

... matrix-interactive factor. In the context of aggregation, the kinase activity of DNA-PK is essential for efficient DNA end-joining. The massive and functional concentration of nucleoproteins on DNA in vitro ... that of nonbasic factors of DNA-PKcs, SAF-A and nucleolin, which were stably concentrated on anion-exchange resins (Experimental procedures). With regard to t...

Ngày tải lên: 19/02/2014, 06:20

... reading of the ambiguous word. In this way they are comparable co the syntactic contexts of the first experiment. The fourth experiment compared the use of non-priming contextual information in the ... person is much more likely to walk on the surface of a ship than on the surface of a pack of playing cards. Other types of contextual information can be br...

Ngày tải lên: 21/02/2014, 20:20

... embryo- genesis, all the evidence suggests that sex determination might disobey the conventional rules of evolutionary conservation. The common picture emerging here is that the genes at the top of the cascade ... in the fish gonads The developmental expression of dmrt1 has been well studied in the context of gonadal induction and main- tenance, illuminating its imp...

Ngày tải lên: 14/02/2014, 19:20

... part in both structural and functional roles of NirF. Discussion On the basis of several criteria, including cell fraction- ation and the consequences of either deleting the putative signal sequence ... How- ever, the other catalytic site histidines (His 345 and His388) of NirS are not conserved in NirF. Restoration of denitrification upon complementation of th...

Ngày tải lên: 15/02/2014, 01:20

... lost. Taken together, our results demonstrate an impor- tant relationship among the regulation of nucleo- lin ⁄ C23, the activation of caspase-3 and the induction of apoptosis under the setting of oxidative ... the condensation and fragmentation of their nuclei. The percentage of apoptotic cells was calculated as the number of apoptotic cells divided by the t...

Ngày tải lên: 16/02/2014, 09:20

... with the exception of residues 57–59 of one monomer, which are part of a b-turn connecting two strands. Some of the strands present some kinks that break the continu- ity of the hydrogen bond ... sequence and of the 3D structure, they must differ in their physiological function. This is confirmed by the presence of a secretion signal at the N-terminus of HP1286...

Ngày tải lên: 16/02/2014, 14:20

... bit diu the hiin bin sic ci nhin ro ring han Ndu nbu trong phuong thdc dgc, vai trd hd trg cua gigng dgc tdi hieu qua tdc phdm ttong nhidu the loai bao chi thudng md nhat, thi trong phuang ... thdng tin thyc te, thi ttong phuong thdc dgc, do bien dgng nhjp dieu thudng it. Nhip dieu the hien qua gigng dgc bao gid ciing dn djnh. Ngucd dgc cd the dgc vdn ban theo nhip dieu...

Ngày tải lên: 17/02/2014, 05:20

... containing mutations of the second or third miR-23a binding regions. (C) Similarly, overexpression of miR-23a failed to suppress the EGFP intensity in the reporter vector containing mutation of ... miR-23a on the expression of IL6R by RT-PCR and western blot, and found an inverse correlation between miR-23a and IL6R expression at both the mRNA and protein levels....

Ngày tải lên: 18/02/2014, 04:20