Tài liệu Báo cáo Y học: Soluble silk-like organic matrix in the nacreous layer of the bivalve Pinctada maxima A new insight in the biomineralization field pptx
... analysis and calcium measurements of the water -soluble matrix, the EDTA -soluble matrix and the EDTA-insoluble
matrix of Pinctada maxima nacre. Sulfated and nonsulfated glycosaminoglycans from the ... matrix in the nacreous layer of the bivalve
Pinctada maxima
A new insight in the biomineralization field
Lucilia Pereira-Mourie
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1
,...
... different
cytochrome c oxidases. The heme types incorporated
belong to the caa
3
-andba
3
-type cytochrome c oxidases,
respectively. The caa
3
-oxidase contains analogous central
subunits and catalytic ... may be involved. In
an important step for the understanding of the essentials for
cytochrome c oxidase activity and coupled proton pump-
ing, the crystal structure of the...
... 2002
STAT3 and MAPK activation by Hyper-CNTF
in transfected BAF/3 cells
Downstream signal transduction pathways were analyzed
by studying the activation level of JAK/STAT and MAP
kinase signaling ... amino acids of
CNTF-R (amino acids 331–346) that are not part of the
membrane-proximal cytokine binding domain [33] and the
14 N-terminal nonhelical and presumably flexible amino
aci...
... Chile;
2
Department of
Microbiology and Immunology, University of Saskatchewan, Saskatoon, Canada
Escherichia coli phosphoenolpyruvate (PEP) carboxykinase
catalyzes the decarboxylation of oxaloacetate and ... PLP of Lys288 in E. coli PEP carboxykinase to gain
insight into conformational alterations of the protein upon
ligand binding in solution. Analysis of the fluoresc...
... membrane preparations is already dephosphorylated [6],
as indicated by the complete inactivation induced by
iodoacetamide.
The bromoacetyl derivatives 1a and 1c also inactivated
Glc uptake by starved ... reactivity of, Cys421 towards a second molecule.
Alternatively, biphasic inactivation by 1a (with two inacti-
vation rates differing by a factor of 10) may originate from
the d...
... mechanism
[21]. This was a surprising observation, because it makes
the enzyme badly adapted for a fast methylation of one
domain of the DNA. However, the intriguing possibility
appeared that ... in
mammals during late embryogenesis [6,7]. The methylation
pattern is created by de novo methylation and demethyla-
tion of the DNA, and maintained during mitosis by
maintenanc...
... b-galactosidase. b-1,4-Endogalactanases cleave
within the galactan moiety of type I arabinogalactan,
releasing
D
-galacto-oligosaccharides. Bacterial b-1,4-endo-
galactanases release mainly galactotriose ... galac-
turonic acid; expression; galactan degradation.
Endogalactanases are involved in the degradation of plant
cell wall polysaccharides, in particular pectin. Two types of...
... Biochemistry 39, 7131–
7137.
31. Hiraoka, B .Y. , Yamakura, F., Sugio, S. & Nakayama, K. (2000)
A change of the metal-specific activity of a cambialistic superoxide
dismutase from Porphyromonas gingivalis ... independent of the prosthetic metal. Arch.
Biochem. Biophys. 313, 296–303.
52. Yamakura, F., Rardin, R.L., Petsko, G .A. , Ringe, D., Hiraoka,
B .Y. , Nakayama, K., Fuji...
... missing in the latter [6].
As already mentioned, the missing galactose can be
attributed to the phase variability of wlaN. The lack of
terminal GalNAc in this strain has recently been shown by
Gilbert ... min using
primers: Cj1427cF918 (5¢-AACTTTCATCATTTTAAAC
GCTCTT-3¢) and Cj1427cR10 (5¢-AAAGTTTTAATTAC
AGGTGGTGCAG-3¢).
Deoxycholate-PAGE analysis and silver staining
of polys...