the influence of discourse
Báo cáo khoa học: The influence of heterodimer partner ultraspiracle/retinoid X receptor on the function of ecdysone receptor pot
Ngày tải lên :
07/03/2014, 12:20
... by
EcR in the presence of ligand was maximum in the
case of HsRXR and minimum in the case of the
Hs–LmRXR chimera, and LmRXR was between
these two (Fig. 9). These data suggest that the EcR
and ... been
used in the place of USP in all EcR gene switches
developed to date. One of the major limitations of cur-
rent versions of EcR gene switches is the requirement
of micromolar concentrations of ligand ... concentrations of ligands
for the transactivation of genes and functions well
in vivo. The RXR chimeras containing most of
HsRXR and helix 9 and the loops on either side of
helix 9 from HsRXR or mutants of...
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Báo cáo khoa học: The influence of cold shock proteins on transcription and translation studied in cell-free model systems pdf
Ngày tải lên :
07/03/2014, 21:20
... critically depend
on the other free parameters of the model, a property
of the used function. On the other hand, this means
that the other parameters following from the fit of the
data cannot be ... to the inherent
experimental errors of our assay. However, the expres-
sion of CAT under the influence of any of the three
used CSPs resulted in a significant, dramatic decrease
of protein synthesis ... terms of codon usage and minimization of
possible RNA secondary structures. We verified the
difference in the thermodynamics of the RNA secon-
dary structures by predicting the free energy of the
RNA...
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Báo cáo khoa học: The influence of cholesterol on the interaction of HIV gp41 membrane proximal region-derived peptides with lipid bilayers potx
Ngày tải lên :
23/03/2014, 07:20
... may
reach the point where all of the membrane is homoge-
neous. The MPRP-C is insensitive to the cholesterol
content in the membrane, which is in agreement with
the insensitivity of the peptide to the ... about the
interaction of peptides with large unilamellar vesicles
(LUV). The fluorescence quantum yield is dependent on
the polarity of the microenvironment of the Trp resi-
dues, as well as on the ... The membrane interaction behaviour of MPRP-C
and MPRP-I is independent of the membrane phase
but not of the presence of charged lipids. Cholesterol
does not reduce the extent of or potentiate...
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Báo cáo khoa học: The influence of temperature and osmolyte on the catalytic cycle of cytochrome c oxidase ppt
Ngày tải lên :
31/03/2014, 07:20
... [15].
The second electron rereduces Cu
A
thereby forming the
initial two-electron reduced oxidase. In the absence of
oxygen or the presence of CO, there is probably a two-
electron reduction of the ... other factors. None-
theless, catalytic activity is still one of the few characteristics
that reflect the actual role of the oxidase in the tissues.
What is that role? The oxidase catalyzes the ... increase the viscosity of the medium; if
there are large conformational changes that occur in the
oxidase during the catalytic cycle, these would be influenced
by the increased viscosity. Certainly, there...
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Báo cáo hóa học: " Research Article Removing the Influence of Shimmer in the Calculation of Harmonics-To-Noise Ratios Using Ensemble-Averages in Voice Signals" docx
Ngày tải lên :
21/06/2014, 20:20
... with the adjacent pulse, and the correlation should
6 EURASIP Journal on Advances in Signal Processing
be lower. The evaluation of the influence of jitter (as well
of other levels of noise and their ... shimmer increases. On
the other hand, the summation of tails in one pulse is
not completely uncorrelated with the summation of tails in
the other. For this reason, the estimation of relative pulse
amplitudes, ... used in
the synthesis.
The results for the different methods facing both noise
types are shown in Figure 1, and the discussion below is
first centered in the AWGN and later in the effect of the
correlation...
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Tài liệu Báo cáo khoa học: Influence of modulated structural dynamics on the kinetics of a-chymotrypsin catalysis Insights through chemical glycosylation, molecular dynamics and domain motion analysis pptx
Ngày tải lên :
19/02/2014, 05:20
... concerning the influence of glycosylation on
the protein biophysical properties but also support the hypothesis that for
a-CT the global structural dynamics directly influence the kinetics of
enzyme ... some of these phenomena may
be interconnected within the catalytic mechanism of
the enzyme.
Structural insights into the mechanochemical
nature of a-CT catalysis
A more detailed analysis of the influence ... within a cutoff distance (r
c
¼ 6.0 A
˚
). The dynamics of
the resulting network are then defined by the Ni · Nj Kir-
chhoff connectivity matrix of interresidue contacts (G)
where the off diagonal...
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Báo cáo khoa học: Influence of divalent cations on the structural thermostability and thermal inactivation kinetics of class II xylose isomerases pdf
Ngày tải lên :
23/03/2014, 13:20
... the similar bio-
chemical and thermostability properties of these
enzymes [7]. Comparisons between the structures of
the most thermostable class I XIs from Thermus caldo-
philus and Thermus thermophilus ... presence of various metal concen-
trations and metal combinations was determined.
Figure 7 shows the inactivation courses of apo-TNXI
and of TNXI in the presence of 5 mm concentrations
of each of the ... hyperthermophiles are intrinsically ther-
mostable and thermoactive, with optimal temperatures
of activity often in excess of 100 °C [1]. Studies focus-
ing on the molecular basis for the thermostability...
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Báo cáo khoa học: Weak organic acid stress inhibits aromatic amino acid uptake by yeast, causing a strong influence of amino acid auxotrophies on the phenotypes of membrane transporter mutants ppt
Ngày tải lên :
23/03/2014, 21:20
... lowers the intracellular levels of benzoate and fluorescein
by catalysing an active efflux of these compounds from the
cell [2,4]. The inhibitory effects of different organic acids on
cells of the ... from the Euroscarf collec-
tion that lack specific enzymes of the aromatic amino acid
biosynthetic pathway. These were then tested for their
sensitivities to both acetate and sorbate. Growth of the
wild-type ... several of the enzymes of aromatic
amino acid biosynthesis therefore hypersensitize yeast to
weak organic acid stress.
We also investigated the growth of this same series of
strains after they had...
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Tài liệu Influence of future air pollution mitigation strategies on total aerosol radiative forcing pdf
Ngày tải lên :
17/02/2014, 10:20
... well
as changes in the aerosol and oxidant composition. The influence of changes in the
15
aerosol composition are reflected in the changes of the microphysical aging time of BC
and POM. The microphysical ... biomass
burning.
15
The emissions are detailed for the different sectors in Table 1. The evolution of
the aerosol emissions for the different experiments are discussed together with the
resulting changes in the ... among the aerosol modes, condensation of gas-phase
sulfuric acid onto the aerosol surface, the formation of new particles by binary nucle-
ation of sulfate, and the water uptake depending on the thermodynamic...
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Báo cáo khoa học: Influence of inflammation-related changes on conformational characteristics of HLA-B27 subtypes as detected by IR spectroscopy potx
Ngày tải lên :
06/03/2014, 00:21
... either from the intensity ⁄ temperature plot of the b-sheet band of b
2
m at 1592 cm
)1
or from the frequency ⁄ temperature changes
of the tyrosine ring vibration of the HC at 1514 cm
)1
of the ... are due to different packing of the protein chains
in crystallo. A comparison of the X-ray structures
revealed, however, that the structures of the HC and
of b
2
m of the two subtypes appear nearly ... irrespective of the sequence of the bound peptide and its
binding mode. They might thus influence antigenic properties of the respec-
tive HLA-B27 subtype. Furthermore, a decrease in the pH from...
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