Báo cáo khoa học: Structure of coenzyme F420H2 oxidase (FprA), a di-iron flavoprotein from methanogenic Archaea catalyzing the reduction of O2 to H2O ppt
... biochemical data that indicate one iron to be
more loosely bound to the enzyme than the other [34].
The low occupancy of the proximal iron leads to an
increase of the temperature factor of its ... O
2
oxidoreductase from Desulfovibrio gigas, rubredoxin:
NO ⁄ O
2
oxidoreductase from Moorella thermoacetica,
F
420
H
2
oxidase from Methanobrevibacter arboriphilus,
an...
... new software package
for the handling and analysis of thermal denaturation
data of biological macromolecules. J Thermal Anal 38,
2779–2790.
29 Marky LA & Breslauer KJ (1987) Calculating thermo-
dynamic ... M, Piccialli G, Di Donato A,
Parente A & D’Alessio G (1992) The dual-mode
quaternary structure of seminal RNase. Proc Natl Acad
Sci USA 89 , 1870–1874.
2 Mazzarella...
... for example, has no
declensions, it makes minimum use of the
subjunctive mood and adopts 'natural' gender
instead of the grammatical one. The
language, on the other hand, has become ... verbs. The system, organized
around the classical architecture of an ITS
(Sleeman and Brown 1982), consists
essentially of:
- the Tutor,
which is devoted to manage th...
... 6-O
position of the uronic acid and at the 3-O and 6-O
position of the amino sugar. The amino group of the
glucosamine may be either acetylated or sulfated. The
two major families of cell surface HSPGs are ... tumors of
skin and mucosa, which may progress to malignancy (e.g. cervical carci-
noma). Prior to entry into basal cells, virions attach to heparan sulfate
m...
... of an HDAC to reform a
repressed state. The principal role of H3-K36 methyl-
ation in mammalian cells remains far from clear. This
modification can recruit the HATs MOF and HBO1,
and both factors ... [85]. Mast cells express GATA-2 as well as
NFAT and AP-1, and GATA-2 initiates the formation
of an additional discrete GATA-2 ⁄ AP-1 enhanceo-
some-like complex existing upstream...
... was to better understand
the catalytic mechanism of RNase Sa2 and to account
for the differences in catalytic activity between RNases
Sa2 and Sa. On the basis of the crystal structures of
RNase ... intermediate. We also propose that the
seven-fold higher efficiency of RNA cleavage by RNase
Sa than by RNase Sa2 can be at least partly explained
by the Val43 (RNase Sa) to...
... Tetrasialyl
PA glycan Neu5Aca2-6Galb1-4GlcNAcb1-2Mana1-6(Neu5-
Aca2-3Galb1-3(Neu5Aca2-6)GlcNAcb1-4(Neu5Aca2-6Galb1-
4GlcNAcb1-2)Ma na1-3)Manb1-4GlcNAcb1-4GlcNA-PA
was used as a control sugar to ... PA-oligosaccharides,
GalNAca1-3(Fuca1-2)Galb1-3(Fuca1-4)GlcNAcb1-3Galb1-
4Glc-PA and Neu5Aca2-6Galb1-4GlcNAcb1-2Mana1-
6(Neu5Aca2-3Galb1-3(Neu5Aca2-6)GlcNAcb1-4(Neu5Aca2-
6Galb1-4GlcNAcb1-2)Man...
... on their evolutionary relationship and tertiary
structure. Plant APs have been distributed among families
A1 , A3 , A1 1 and A1 2 of clan AA, and family A2 2 of clan
AD. The majority of plant APs ... Molecular and biochemical characterisation of two aspartic
proteinases TcAP1 and TcAP2 from Theobroma cacao seeds.
Planta 215, 754–762.
12. Park, H., Yamanaka, N., Mikkonen, A....
... by adding a
lipidic group (2-amino-
D
,
L
-dodecanoic acid, Laa) to either
the N-terminus (LaaMII) or to Asn5 (5LaaMII). The
N-terminal LaaMII was shown to have a tertiary structure
similar to ... assay,
d
ACh-evoked currents in parasympathetic
neurons from rat intracardiac ganglia.
Fig. 2. Surface representations of ImI and
PnIA. (A) The three-dimensional structure...
... revent the FP from immersing too d eeply into
the apolar core of the membrane. Our data are also
compatible with the observation that truncation of t he
membrane-spanning region of HA2 to the extent ... Chemistry, Academia Sinica, Taipei, Taiwan, Republic of China
The structure and membrane interaction of the internal
fusion peptide (IFP) fragment of the avia...