Báo cáo khoa học: The occurrence of riboflavin kinase and FAD synthetase ensures FAD synthesis in tobacco mitochondria and maintenance of cellular redox status docx

... compilation ª 2008 FEBS 231 The occurrence of riboflavin kinase and FAD synthetase ensures FAD synthesis in tobacco mitochondria and maintenance of cellular redox status Teresa A. Giancaspero 1 , ... efficiencies. Once inside mitochondria, riboflavin is converted into catalytically active cofactors, FMN and FAD, due to the existence of a mitochon...

Ngày tải lên: 16/03/2014, 04:20

... means of two Cu + ions, each of which is coordinated by three histidines in two distinct binding sites. Some hemocyanins assemble into large oligomers of up to 8 · 6 subunits [1]. The occurrence and ... types (Hc1 and Hc2) with the exception of PmaHc1. An insertion of nine amino acids in PamHc2 starting at amino acid 435 is unique to subunit types 2. On the amino aci...

Ngày tải lên: 18/02/2014, 08:20

... temperature dependent, and the temperature dependence varies within the peptide group. From the fitting of h PII according to the linearized model in Eqns (5) and (6) to the data of Fig. 2, a transition temperature ... structure of the Ab-peptide shows that the PII content of the full length peptide should be % 40% at low temperature and predominantly in the...

Ngày tải lên: 20/02/2014, 01:20

... levels of homocysteine. We first tested the effect of AS101 on apoptosis in HL-60 cells in the presence of homocysteine in the medium. d,l-Homocy- steine (6 mm) increased the percentage of hypodiploid AS101 ... AS101 and homocysteine. The calculated M r of homocystine is 267.047, whereas the measured M r of the RP was 267.049 (Fig. 3F). The similar H 1 -NMR...

Ngày tải lên: 07/03/2014, 09:20

... to the quality control systems of B. subtilis. These systems consist of foldases and proteases that are involved in the correct folding of proteins and ⁄ or the removal of incompletely synthes- ized, ... proteins, lipase A of B. subtilis and human interleukin-3, show that the intensity of the protein secretion stress response only partly reflects the production...

Ngày tải lên: 07/03/2014, 12:20

... gain an insight into, and to understand, the regulation of the murine homolog of MUC5B. In the present study, we have isolated and characterized the promoter of the murine Muc5b mucin gene in ... aimed at the identification of the biological role of Muc5b in the lung employing mouse models. Results Characterization of the sequence of the promoter of...

Ngày tải lên: 15/03/2014, 00:20

... of two moieties of distinct origin, c hlorophyllide and phytol. The initial steps in c hlorophyllide synthesis, from the biosynthesis of d-aminolevulinate to protoporphyrinogen IX, occur in the ... domains, in the N-terminal end of the m ature p lant protein, we found a very h ydrophobic region possibly i nvolved in the an choring of the protein to the mem...

Ngày tải lên: 08/03/2014, 16:20

... GC and EW participated in the collection and interpreta- tion of the data and were involved in drafting the manuscript. MG participated in analysis and interpretation of the data and in drafting ... obtain CXRs after insertion of endotra- cheal tubes, intravenous lines and chest drains, but not after insertion of nasogastric tubes. In addition, CXRs were...

Ngày tải lên: 25/10/2012, 10:39

... 3A,B). The presence of Ca 2+ increased the thermal stability of PhyH and PhyH-DII. After incubation at 60 °C for 30 min, both enzymes retained > 70% of their initial activity in the presence of ... pH (6.0–8.0) and at low temperatures (0–35 °C). We focus on the function and relationship of the two single domains. Additionally, the possibility that fusion of...

Ngày tải lên: 14/02/2014, 15:20

... which the lysine residue of the ATP bind- ing domain is mutated to arginine, still interacted with PTI1-4. These data indicate that the kinase activity of OXI1 is not required for the interaction ... co-immunoprecipitation experiments. We then examined how both proteins interact with MPK3 and MPK6 proteins. Results AGC kinases interact with PTI1 kinases in vitro To isolate o...

Ngày tải lên: 14/02/2014, 19:20