... crystal structures of both CHH and CHN
enzymes [1,4,5,11,12] have contributed to the under-
standing of the role of conserved residues in the active
site of CHH condensing enzymes, and analogies have
been ... vicinity of
the active site (Fig. 2). Three of the six cation lig-
ands are main-chain oxygen atoms, and three are the
side-chain oxygen atoms of N296, E342 and S38...
... comparison of
band absorbance. Absence of a sharp and convoluted
spectral band around 3600–3000 cm
)1
in the spectra of both
chitosan and LMWC indicated the absence of free -OH
groups and the involvement ... otherwise
commercially available raw materials, viz. chitosan from
the offal of marine food processing industry (and pronase),
and show the biofunctionalities of the...
... expres-
sion levels of three b4GalT proteins, explicitly down-
regulation of gene expression for proteins I and V and
up-regulation of protein IV. Of note, transcriptional
regulation of b4GalTs-I ⁄ ... -III, -V
and -VI genes and abolishment of transcription of the
b4GalT-IV gene [32].
Second, comparison of DNA microarray-based
expression profiles between specimens of...
... first level of which is the extension of LLOs.
Depending on the preincubation time, various proportions
of Man5GlcNAc2 and Man9GlcNAc2 are transferred to
proteins. The ER processing of these two ... residue and nine Man and two GlcNAc
residuesatthereducingend.M4Gn1,M5Gn1,M6Gn1,M7Gn1,
M8Gn1, and M9Gn1 indicate oligomannosides with four, five, six,
seven, eight and nine Man resi...
... Levin
2
1
Laboratory of Cell Biology, National Heart, Lung, and Blood Institute and
2
Laboratory of Chemical Physics,
National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, ... spectroscopic bandwidths are functions
of dynamic parameters derived from intermolecular and
intramolecular motions. Band shapes are often analyzed in
the c...
... consists of about 130,000 tokens
of newspaper and magazine text, manually double-
tagged and then corrected by a single judge.
Our training data consists of about 130,000 tokens
of newspaper and ... the set (of size n) of binary-valued
(yes/no)
features
of the event value being predicted
and its context, hi is a "weigth" (in the exponential
sense) of the...
... result of the presence
of negatively-charged residues at P2 and P2¢ that are
not accommodated within the b2-tryptase active site
because of the presence of Asp147 and Asp143
within the S2 and the ... (i.e. a nega-
tively-charged residue at P3 and P2¢, a Pro-Phe pair at
P2–P1, and a Ser and a Pro at P1¢ and P3¢, respec-
tively), and this represents one of the most sen...
...
mycorrhization
of
Douglas-fir
(Pseudotsuga
taxifolia
Poir
Britt).
Studying
the
biology
of
this
symbiosis
led
to
the
development
of
a
number
of
experimental
techniques
for
aseptic
and ...
Pachlewska
J
(1974)
Studies
on
symbiotic
properties
of
mycorrhizal
fungi
of
pine
(Pinus
sylvestris)
with
the
aid
of
the
method
of
mycorrhizal
synthesis
in...
...
rates
of
change
and
total
content
of
oligoelements
vary
greatly
among
species.
The
aim
of
this
study
was
to
determine
the
levels
of
4
micro-
nutrients
(Mn,
Fe,
Zn
and
Cu) ...
production
and
bioele-
ments
of
three
mature
beech
forests
in
South
Sweden.
Oikos
28,
95-104
Olsen
C
(1948)
The
mineral,
nitrogen
and
sugar
content
of
beech
lea...
... fixation and ulceration of the tumor and proctosig-
moidoscopy may be suggestive of anorectal melanoma
The excised specimen of our caseFigure 1
The excised specimen of our case.
Microscopic view of ... (GIST), paragangg-
lioma and neoplasm of melanocytic origin. The positive
expression of the HMB-45 and S-100 protein antibodies
set the diagnosis of the malignant neopla...