Tài liệu Báo cáo Y học: Role of electrostatics in the interaction between plastocyanin and photosystem I of the cyanobacterium Phormidium laminosum ppt

... knowledge, the work described here and in the related publications [1,7] is the first kinetic analysis of the in vitro interactions Cyt f plastocyanin and plastocyanin Fig. 4. Comparison of ionic strength ... Schlarb-Ridley et al.(Eur. J. Biochem. 269) Ó FEBS 2002 Role of electrostatics in the interaction between plastocyanin and photosystem I of...

Ngày tải lên: 21/02/2014, 01:21

... promotes interaction between SRF and C/EBPa to activate transcription. In summary, the data obtained in this study indicate the conservation of the SRF DNA-binding and dimerization domains during ... anti-(c-myc) Ig. The results obtained indicate co-immunoprecipitation and, therefore, interaction between Fig. 1. Effect of SRF co-expression on the activity of CA...

Ngày tải lên: 22/02/2014, 07:20

... inhibits PSII activity by binding to the relatively hydrophobic Q B pocket, which is the exit of the electron flow in the PSII complex. According to the increase in the sensitivity to diuron in ... finding which may be a key to realizing the role of acidic lipids in photosynthesis. The contribution of SQDG to the maintenance of maxi- mum PSII activity in C....

Ngày tải lên: 22/02/2014, 04:20

... a phenotype indicative of resistance to diet-induced and genetic obesity. The mutation of the 0283 strain is in the RMI1 gene. RecQ-mediated genome instability 1 (RMI1) has recently been identified as ... that the level of RMI1 expression in the fat and liver is associated with development of obesity. RMI1 is the component of the BLM helicase com- plex that main...

Ngày tải lên: 16/02/2014, 09:20

... via proteasome-mediated proteolysis of ubiquitin-tagged proteins [41]. Ubiquitination of proteins is catalysed by three enzymes: ubiquitin-activating enzyme (E1), ubiquitin-conjugating enzyme (E2) and ubiquitin ... starvation the rate of protein synthesis is limited by the size of the free amino acid pool and that autophagy is required to provide the cell with amino acids...

Ngày tải lên: 18/02/2014, 06:20

... This is in agreement with a previous study in which the synergy of enzymes degrading the pectin side chains was studied [34]. GALA had a positive effect on the activity of the other enzymes involved ... proteins in A. niger [33]. The fusion construct (pIM3982) was made by introducing an NsiI site at the translation start point of galA and by then cloning a fragment,...

Ngày tải lên: 21/02/2014, 01:21

... CTP synthase was performed using % Inhibition ¼ 100% I n K n I þ I n ð7Þ where K I is the concentration of inhibitor that gives rise to 50% inhibition by the inhibitor I and n is the Hill- coefficient. ... Steady-state kinetics of the glutaminase reaction of CTP synthase from Lactococcus lactis The role of the allosteric activator GTP in coupling between gl...

Ngày tải lên: 21/02/2014, 15:20

... explored the possibility of modifying the psychrophilic properties of an enzyme by introducing, via mutagenesis, predictable flexibility changes to key active site residues of the psychrophilic alkaline phosphatase ... substitution of Tyr269 fi Ala was designed with the aim of reducing the spatial constraints originating from the side-chain interactions between Tyr269 a...

Ngày tải lên: 22/02/2014, 04:20

... concen- trations of this compound, the incorporation of 14 C-label from the cyclic diphosphate into the lipid-soluble fraction was significantly diminished. In a similar experiment, we studied the formation of ... biosynthesis in plants (Eur. J. Biochem. 268) 6307 into phytoene (the main labeled component of the lipid- soluble fraction) is systematically diminished by t...

Ngày tải lên: 22/02/2014, 07:20

... endotoxin comprise the initiating event lead- ing to hepatotoxicity in liver injury, including endotox- emia and ischemia ⁄ reperfusion injury [14]. In our studies, we employed GdCl 3 to inactivate ... cytokines and liver injury [13]. Therefore, the present study aimed to elucidate the role of KCs in the regulation of CYP isoform activities and gene expression profile...

Ngày tải lên: 14/02/2014, 18:20