... must still be determined whetherits absence in the V79-G18 mutant is the result ofthe missingESSS subunit alone, or whether the absence of ESSS causes the f ailure of other integral membrane subunits ... the level of a complex of 46 subunits isdetermined. The activities of complex II andthe downstream complexIII ofthe electron transport chain were measured and foundto be near normal in the ... culateabout the formation of supercomplexes andthe effect of the absence of intact complex I, but the results are toopreliminary in this regard.Heterologous expression ofthe ESSS-HA subunit The localization...
... furtherinvestigate theroleofthe SEA domain in cleavage of membrane-tethered mucins we carried out site-directedmutagenesis ofthe FRPG ⁄ SVVV site and evaluatedhybrid mucins in which the ... modelling of the MUC1 SEA domain (Fig. 3). The model has the samea ⁄ b sandwich fold as the template SEA domain of mu-rine MUC16 [12] and consists of three a-helices and six b-strands. This ... to the first site. This is of particular interest aswe, and others, have detected multiple forms of the cytoplasmic tail of MUC1, MUC1FDTR and its deriv-atives [9,13]. Further, the migration of...
... that if theroleof GTP wassolely to increase the rate of glutamine hydrolysis, therewould have been no effect of adding GTP when the rate of CTP synthesis was limited by the concentration of nucleotide ... locks the enzyme in the active form for CTP synthesis and thereby stimulates the kcat of the reaction. Since GTP actually willactivate the uncoupled glutaminase reaction the structure of the monomer ... 4C and Table 2).In another experiment similar to that in Fig. 4C, the GTPactivation ofthe glutaminase reaction and CTP synthesiswas compared (Fig. 5). In the absence of GTP, the rate of glutamine...
... the rationale for the monograph’s organization and presents the key issues and conclusions ofthe research as a whole andofthe individual chapters. This section describes media research theories ... examine the dynamics of tobacco-related media interventions at each of these levels, within a systemic framework. The relationships among these levels and stakeholders on either side ofthe tobacco ... experiments, however, are often limited in terms ofthe rather forced nature of exposure, unnatural viewing situations, andthe limitations ofthe experimental populations, which are often college students....
... GavÞ2rð4Þwhere Ri and Gi are the red and green intensities of voxelI, respectively, and Rav and Gav the average values of Ri and Gi, respectively.It is used for describing the correlation ofthe intensitydistributions ... indicatedbasic region of ic3 ofthe D2receptor and acidic region of the C-tail ofthe D1receptor might be involved in the interactions between the two dopamine receptors.In addition, the subcellular ... D2R and cyan fluorescent protein-tagged D1R mayresult from differing localization of these proteins in the cell rather thanfrom the possible roleofthe D2R basic domain in the mechanism of D1–D2receptor...
... the c-phosphate ofthe bound nucleotide across the dimer [15] andthe aromatic residue ofthe A-loopstacks against the adenine moiety of boundnucleotide and provides further stabilization and specificity ... cleavage ofthe c-phosphate does occur in the NBD with the mutation at the IC [36,38,39]. More-over, these and other studies suggest that the ICresidues are involved in the formation ofthe NBDdimer, ... motifs: the Walker A and B motifs, the signature or LSGGQ motif and the A-, D-, H- and Q-loops. These motifs are positionedaround the bound nucleotide and help to position and maintain it in the...
... moredetail.Results and discussionModeling the active conformation of the essential Tyr110-loop of parsley PALBecause ofthe uncertainty ofthe arrangement and theroleofthe essential Tyr110-loop in recent ... putida [33] and Bacillus subtilis [34], respectively. On the basis of the functional similarity of HAL and PAL, ofthe sameelectrophilic prosthetic group at the active sites, andof the sequence ... of Tyr110 more than 17 A˚apart from the exocyclicmethylene C-atom ofthe MIO prosthetic group.On the basis ofthe experimental structures, hypothe-ses on theroleofthe Tyr110-loop have been put...
... seen for the Phe triad in the structure ofthe mutant Exg:L3 complex. Neither of the two sugar residues interacting with the Trp triadoverlaps with the sugar seen in the Phe-Phe clamp of Exg.Structural ... Rearrange-ment ofthe water molecules in and around the clampregion as seen in the crystal structure may be relevant. The relative activities ofthe mutants tested showed the same trend for both the hydrolysis ... identified (three in the active site and two on the outside ofthe protein).DiscussionExamination ofthe previously determined crystalstructures of native and inhibited forms of Exg fromC. albicans...
... TheRoleofthe HRSA Centers of Excellence,” is one result of the efforts of HRSA andthe COEs. The publication of this guide is a significant achievement brought about by the efforts of a large ... roleofthe cultural context in the expression and evaluation of symptoms and dysfunction, andthe effect that cultural differences may have on the relationship between the individual andthe ... When the COEs opened, the directors and staff ofthe centers immediately understood the tremendous challenge ofthe cultural and linguistic competence mandate. Among the COEs, for example, there...
... more insight into theroleofthe fat breast tis-sue, we investigated the independent effects ofthe size of dense tissue andthe size of non-dense tissue in the breast and their combined effects ... is, mother or sister (no/yes), height and BMI. Toinvestigate the independent effects ofthe dense and the non-dense areas, the analyses ofthe dense area were addi-tionally adjusted for the non-dense ... studies have investigated theroleof the breast fat tissue with different results. Stone et al. investi-gated theroleofthe non-dense area in a group of womenin the United Kingdom comparable...
... downward bias in the variability ofthe real rate depending on the level ofthe nominal equilibrium rate of interest. The downward bias in the variability of the real rate accounts for the reduced ... above, the distortion of output and inflation distributions is driven by adistortion ofthe real interest rate. The left-hand panels of Figure 5 report the upward biasin the mean real rate andthe ... that the central bank adopts the proposal in the 11th period of the simulation. Important choice variables are the initial price level ofthe implied target path, the extent ofthe devaluation and...
... examined the catalytic activities of dephos-phorylated HRI, and compared the catalytic and heme-sensing properties of phosphorylated and dephosphorylated HRIs. The effects of heme on the kinase ... (2008) Elucidation of the heme-binding site of heme-regulated eIF2a kinase(HRI) andtheroleofthe regulatory motif in hemesensing by spectroscopic and catalytic studies of mutantproteins. ... toexplore theroleof autophosphorylation ofthe HRIprotein in the intramolecular protein–protein interac-tion (between the NTD and KD) and catalysis uponheme binding. Identification of autophosphorylatedsites...
... points across the United States, six days per week, from the areas with the highest rates of crime to the bottom ofthe Grand Canyon (USPS, 2008d, p. 32; USPS, 2008a).xxvi TheRoleofthe United ... part of mandatory training. Man-agers and supervisors also deliver monthly mandatory talks to USPS employees nationally that focus on the use of SLAP guidance and the 60 TheRoleofthe United ... firsthand about the training, guid-ance, policies, procedures, and technology they currently use to pro-tect the safety and security of their employees, their customers, and their deliveries....
... between the opening price on day 1 andthe offer price; offer-to-close return is the percentage difference between the closing price on day 1 andthe offer. The mean and median number of comanagers ... more IPOs. The table is sorted by mean startingtime. The name ofthe lead underwriter, the number of IPOs done by them ~N !, the mean and median starting time for the IPOs, the earliest and latest ... quoting and trading the stock. We use unique quote data with the identity ofthe marketmaker to examine the quoting behavior ofthe lead underwriter during the preopening period; the behavior of other...