Báo cáo Y học: Role of critical charged residues in reduction potential modulation of ferredoxin-NADP+ reductase Differential stabilization of FAD redox forms doc

... Role of critical charged residues in reduction potential modulation of ferredoxin-NADP + reductase Differential stabilization of FAD redox forms Merche Faro 1 , Carlos ... respectively, with regard to wild-type. Reduction potentials allowed estimation of binding energies differences of the FAD cofactor upon reduction. Keywords: reduction potential...

Ngày tải lên: 08/03/2014, 23:20

... Available online http://ccforum.com/content/6/1/003 The science of statistics is increasingly employed in all fields of medicine. Statistical techniques are used not only by academics and clinicians ... those involved in research or the management of patients have a sound grasp of at least the basics of statistical methods. Unfortunately, in practice this is often not true, wi...

Ngày tải lên: 25/10/2012, 10:45

... levels of cholecystokinin. Similarly, in rats fed a hy- percholesterolemic diet, ingestion of the alpha subunit of the soy 7S globulin (conglycinin) produced sub- stantial reductions in plasma ... smaller amounts in soy protein. SPI contains mainly lysophospholipids, the two major ones being lysophosphatidylcholines and lysophosphatidylethanolamines [30]. Soyasapon- ins are one...

Ngày tải lên: 31/10/2012, 14:59

... N-terminal lumenal helix of PsaF has been shown to be involved in binding of plastocyanin [9,10]. In cyanobacteria, deletion of PsaF did not change the kinetics of photosystem I reduction by either ... protein plastocyanin can be replaced by cytochrome c 6 , a redox protein of similar size but entirely different folding, in a number of eukaryotic algae and cyanobacteria...

Ngày tải lên: 21/02/2014, 01:21

... Role of sulfoquinovosyl diacylglycerol for the maintenance of photosystem II in Chlamydomonas reinhardtii Ayumi Minoda 1 , Norihiro Sato 1 , Hisayoshi Nozaki 2 , Katsuhiko ... sulfoquinovosyl diacylglycerol; photosystem II; Chlamydomonas; thylakoid membrane; glycolipid. The primary process in photosynthesis occurs in thylakoid membranes. Protein complexes such as photosystem ... s...

Ngày tải lên: 22/02/2014, 04:20

... mRNA of four PLA 2 isotypes (type IB, type V, type IV and type VI). Interestingly, addition of TG stimulated the induction of the four PLA 2 isotypes in Jurkat T-cells. PLA 2 inhibitors that inhibit ... be activated independently of increases in [Ca 2+ ] i , probably via receptor coupling of this enzyme [36]. Though TG stimu- lated the induction of expression of mRNA of fo...

Ngày tải lên: 08/03/2014, 09:20

... simultaneous release of the proton from the hydroxyl side chain of tyrosine 229. This displacement may be facilitated involving by R389 through lowering the pK of the tyrosine hydroxyl group. The proton ... pH optimum of the enzyme was between pH 6.3 and 6.9. Interestingly, the affinity of the enzyme for Na + increased approximately twofold on increasing the pH from 5.6 to 6.9 or 8.3...

Ngày tải lên: 08/03/2014, 23:20

... measured in order to determine the contribution of residue Y2 38 to Table 1. Semiquinone formation and stabilization, and redox potentials of the free forms of wild-type and Y2 38 mutants of D -amino ... 600Æ M )1 Æcm )1 ,andaratio A 274 /A 455 % 8.7. All of the Y2 38 mutants of RgDAAO are competent in catalysis: the anaerobic addition of an excess of D -alanine (t...

Ngày tải lên: 17/03/2014, 17:20

... His42, may be in uen- tial in defining the stability of Compound II. The replacement of the distal histidine residue by alanine or glutamic acid clearly has a profound in uence on the ability of the ... APX (reviewed in [12]), pre-steady-state kinetic data have been very much more limited, largely as a result of insufficient quantities of enzyme, and only preliminary mechanistic...

Ngày tải lên: 18/03/2014, 01:20

... difference in injury severity may explain our findings, we believe that further studies are needed to clarify the clinical conse- quences of delaying ETI until arrival in the ED. A recent study from ... not intubated. Another recent study also indicated that delaying ALS in critically injured patients until arrival in the trauma centre worsens outcome [21]. One remaining question i...

Ngày tải lên: 25/10/2012, 09:56