Báo cáo khoa học: "Dependency trees and the strong generative capacity of CCG" pot
Báo cáo khoa học: "Dependency trees and the strong generative capacity of CCG" pot
... (Vijay-Shanker and
Weir, 1994), there are few results about the strong
generative capacity of CCG. This makes it difficult
to gauge the similarities and differences between
CCG and other formalisms in how they ... large fragment of CCG. We then
explore the strong generative capacity of PF-CCG
in terms of dependency trees. In particular, we cast
new light on th...
Báo cáo khoa học: Physicochemical properties and distinct DNA binding capacity of the repressor of temperate Staphylococcus aureus phage /11 doc
... I in the presence of CI. More
precisely, the )21 to )48 and )52 to )87 regions of
the top strand and )24 to )53 and )58 to )87 regions of
the bottom strand were protected by CI (Fig. 3B). The
centers ... affinity of CI to the two operators, and the mecha-
nism of action of CI. In the present study, we report
the purification of /11 CI to near homogeneity...
Tài liệu Báo cáo khoa học: Marine toxins and the cytoskeleton: okadaic acid and dinophysistoxins pptx
... being the most studied of these. IFs
maintain cell shape and the structural integrity of cell
contents, and provide protection against various types
of stress. The mechanism of action of OA as a potent
tumor ... adhesion
The adherence of cells to each other and to the elabo-
rate mesh that comprises the extracellular matrix is
mediated by multiprotein complexes....
Tài liệu Báo cáo khoa học: Marine toxins and the cytoskeleton: a new view of palytoxin toxicity ppt
... palytoxin action against the actin
cytoskeleton (Fig. 3). At present, in spite of the impor-
tance of the unpolymerized actin pool for the mainte-
nance of the F-actin system, the cellular response
Fig. ... constitute the actin cytoskeleton
[13]. For a long time, it was believed that the role of
this system was mainly structural, providing the sup-
port needed to mai...
Tài liệu Báo cáo khoa học: Marine toxins and the cytoskeleton: pectenotoxins, unusual macrolides that disrupt actin pptx
... rotundata and Dinophysis acuta [1–3,6,10–13].
After consumption of the algae by the shellfish, PTX-2
can be metabolized to other PTX derivatives. In the
digestive gland of the scallop P. yessoensis, the ... supports the
idea that lactone ring integrity is essential for the
action of PTXs; oxidation on C43 decrease the toxic-
ity of the molecule, and oxidation on C...
Tài liệu Báo cáo khoa học: cN-crystallin and the evolution of the bc-crystallin superfamily in vertebrates pdf
... man [8,9]. In the verteb-
rate lens, the b and c crystallins together account for
the majority of the soluble proteins (the other major
family being the a-crystallins, members of the small
heat-shock ... different regions
of the eye. The expression of cN in the central regions
of the lens, fiber cells that were laid down before birth,
is consistent with the f...
Tài liệu Báo cáo khoa học: Proton transfer in the oxidative half-reaction of pentaerythritol tetranitrate reductase Structure of the reduced enzyme-progesterone complex and the roles of residues Tyr186, His181 and His184 pdf
... confirming that
the mutation of Tyr186 to Phe186 does not grossly perturb the
overall framework of the enzyme or the active site. The active sites
of the enzymes are shown in stick format with the sigmaA ... related
enzymes.
Results
Properties of the H181A and H184A enzymes
The structure of PETN reductase solved in complex
with prednisone, progesterone, 1,4-andros...
Tài liệu Báo cáo khoa học: Dimer asymmetry and the catalytic cycle of alkaline phosphatase from Escherichia coli doc
... inducing the release of
the product and Mg
2+
, thereby leaving an Mg
2+
ion and a
molecule of the substrate bound to the subunit capable of
catalyzing hydrolysis. Therefore, binding of Mg
2+
in ... to the
Ser102 conformation and the nature of the metal ion bound
to the M3 site [10]. The APaseP
i
structure displays an
increased mobility of the active site...
Báo cáo khoa học: Sherlock Holmes and the proteome ) a detective story Pier Giorgio Righetti1 and Egisto Boschetti2 potx
... lysates and subse-
quent elution from the beads. The initial article outlin-
ing the synthesis of the beads and some of their
fundamental properties has recently been published
[20], together with ... bead of the same hexapeptide distri-
buted throughout the core of the pearl. This amounts
to a ligand density of 40–60 lmolÆ mL
)1
bead volume
Sherlock Holmes and...
Báo cáo khoa học: "Endocentric Constructions and the Cocke Parsing Logic" ppt
... use of a classification of
the rules themselves. Since the lowest loop of the pars-
ing logic (see Fig. 1) iterates on the codes of the sec-
ond constituents, the rules against which the paired ... that is, in the grammar.
If the ordered pair is matched by a pair of
IC's in the
table, the code of the construction formed by the
IC's
is add...