evidence for the exodus out of egypt
Tài liệu Báo cáo Y học: Interallelic complementation provides genetic evidence for the multimeric organization of the Phycomyces blakesleeanus phytoene dehydrogenase doc
... understanding of the function and organization of the enzyme complex, the analysis of mutant a lleles of the ge nesinvolved in the biosynthetic pathway c an certainly providevaluable information.In ... to the loss of a functionalmyristoylation site could determine the alteration of the local molecular environment conditions required for the association of the different enzyme monomers or for ... colour of each of the twoparental strains involved in the construction of eachheterokaryon (data not shown). Therefore, the mutationin strain A486 complemented carA, carRA and carCmutations. These...
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Báo cáo khoa học: Evidence for the slow reaction of hypoxia-inducible factor prolyl hydroxylase 2 with oxygen pptx
... consumption of 2OG, the formation of succinate and the formation of the hydroxylated-CODD product are almost con-temporaneous, and sufficiently rapid to account for the steady-state turnover rate of 0.03 ... spectroscopies. The results obtainedprovide evidence that, at least under the studiedconditions, the rate of reaction of the PHD2:Fe(II):2OG:HIF-a complex with oxygen is very much slowerthan for the other ... in the presence of CODD.These observations are consistent with the known abil-ity of 2OG oxygenases to catalyze 2OG turnover in the absence of their prime substrate [18]; it is notablethat the...
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Tài liệu Báo cáo khoa học: Evidence for interactions between domains of TatA and TatB from mutagenesis of the TatABC subunits of the twin-arginine translocase docx
... in the presence of substrate and a protonmotive force [23]. On the basis of these studies, it hasbeen proposed that binding of substrate to the TatBCsubunits triggers the recruitment of the ... parallel with the Sec system, it is responsible for the export of a subset of proteins into the periplasm, outer membrane orextracellular medium, and the primary defining attrib-ute of the system ... important to test the effects of introducing struc-tural rearrangements of the TM spans of these subunits.It has not been established whether these TM spanssimply anchor the amphipathic regions...
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Báo cáo khoa học: Structural and functional evidence for a singular repertoire of BMP receptor signal transducing proteins in the lophotrochozoan Crassostrea gigas suggests a shared ancestral BMP/activin pathway docx
... Lophochotrozoans, the third major group of bilateriananimals, have remained in the background of the molecular survey of metazoan development. We report the cloning and functional study of the central part of ... and XI of the receptor serine ⁄ threonine kinase domain [22]. Anotherstriking point is the phase conservation of the intron–exon boundaries that lie either side of the exon enco-ding the extracellular ... end and C2defines the domain closest to the cell membrane. Acomparison of the inferred amino acid sequence of the C1 and C2 domains reveals that only the approximatespacing of the 10 cysteine...
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Báo cáo khoa học: New evidence for the role of calcium in the glycosidase reaction of GH43 arabinanases pot
... for the optimal activity of BsArb43B.Furthermore, to determine whether the role of the calcium is structural, thermal shift assays were per-formed to determine the Tm of the protein in the ... located (Fig. 4C). Removal of the histidineresidue has the effect of relaxing the geometry of the cluster, resulting in a more planar arrangement of the Ca2+ion with five of the water molecules.As ... solved by the molecular replacement method,using the program PHASER [41], with the model of the native protein as refined from the triclinic crystal form as the search model, without the solvent...
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Báo cáo khoa học: Evidence for the presence of ferritin in plant mitochondria pdf
... activation of the iron trans-port systems [37]. Therefore, they are crucial in controllingiron storage and homeostasis in the plant cells. Otherfunctions of plant ferritins are, on the other hand, ... that the proteins AtFer1–4 possess at the N-terminus the typical presequences of the chloroplastic protein transit peptide [28], similarly to whatreported for pea ferritin [29,30]. On the other ... other hand, the activity of cytochrome creductase, still detected in the presence of antimycin A,could depend on the presence of a similar enzyme on the outer membrane of plant mitochondria [27]....
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Báo cáo khoa học: Re-evaluation of intramolecular long-range electron transfer between tyrosine and tryptophan in lysozymes Evidence for the participation of other residues doc
... by calculation of the portion of the total areaunder the curve occupied by the dimers peak. The obtainedvalue was divided by two.MALDI-TOF MS was performed at The Institute of Nuclear Physics, ... (Fig. 2). The yields of fragmentation (Table 2) vary for these proteins.DiscussionIn this work, we performed a comparative study of the one-electron oxidation of six proteins from the c-type ... in the presence and absence of the disulfide model compound(lipoate anion) and found no effect (data not shown). For the first time in this kind of study, we tried todetermine the nature of the...
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Báo cáo " Ar‐Ar age of metamorphic and mylonitic rocks in northern part of the Kon Tum massif: evidence for the Indosinian movement along shear zones between Kon Tum massif and Truong Son belt " doc
... with the deformation showthat metamorphism of the shearing attaintamphiboliticfacies.Age of thisdeformationtookplaceatc.a240Ma for metamorphism of the shearzone and of ... aloss of argon for 4 steps at the beginning of releasedgas,correspondingto20%39Ar.Thesesteps could be related to later event of ductiledeformation of shearzonein the southernpart.5.Discussionandconclusion5.1.TimingandthermalevolutionRelating ... the plateauat229Ma.Thisdispositionindicateaargonlossfrom the sites release in lower temperaturerelating to partial reopening of these sites ataround of 125 Ma, after the closing of the site the mostretentivearound of 230Ma(Fig.3).+VN577...
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Báo cáo y học: "Foundation for the Community Control of Hereditary Diseases, Budapest, Hungary"
... prevalence of congenital abnormalities is used. Of course, the total prevalence of congenital abnormalities depends on the spectrum of congenital abnormalities evaluated, the period of study ... methods of prenatal diagnoses have been used widely for the detection of fetal defects and pregnancies are frequently terminated if the fetus is severely affected. Thus, the rate of defects ... period or prenatal or the whole infant period are included), the completeness of ascertainment, the diagnostic skill of experts, demographic and genetic characteristics of the study population,...
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Designing & evaluating an English reading test for the non-majors of Civil Engineering at Haiphong private university
... August 20053.6.3.2 .The range The RANGE is the difference between the highest and the lowest scores, i.e. it is the highest value minus the lowest. The formula for the range of the reading test ... fact, the same form of test may be used for different purposes, although in other cases the purpose may affect the form.Due to the limitation of time and ability, it is impossible for the author ... will be made for a better test form.3.Scope of the study“Not all language tests are of the same kinds. They differ with respect to how they are designed, and what they are for; in other words,...
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