getting essential amino acids vegetarian diet
Báo cáo khoa học: Amino acids Thr56 and Thr58 are not essential for elongation factor 2 function in yeast potx
Ngày tải lên :
07/03/2014, 05:20
... specific amino acids in bac-
terial EFG [26–29]. To date, there are only a few
reports in which this technique has been used to
acquire information on the importance of specific
amino acids and amino ... protein of 842 amino acids [5]. The
protein is evolutionary conserved and the amino acid
sequence is 66% identical and 85% homologous to the
sequence of human eEF2 [5]. eEF2 is an essential protein
coded ... Promega (Madison, WI, USA). Yeast
nitrogen base without amino acids and agar were from BD
(Franklin Lakes, NJ, USA). Ammonium sulphate and amino
acids were from Merck (Darmstadt, Germany).
Strains,...
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Biodegradable Polymers Composed of Naturally Occurring α-Amino Acids
Ngày tải lên :
25/10/2013, 08:20
... Chemistry of the Amino Acids , John Wiley
& Sons, Inc. , New York, London .
63
Zavradashvili , N. ( 2008 ) New functional
biodegradable poly(ester amide)s
composed of α - amino acids and ... Composed of Naturally Occurring α -Amino Acids
epoxy - succinic acids, as well as bis - (succinic acid) - α , ω - alkylene diesters and O , O ′ -
diacyl - bis - glycolic acids, see Scheme 5.2 ), the ...
112
5 Biodegradable Polymers Composed of Naturally Occurring α -Amino Acids
Figure 5.4
Synthesis of DADs from free dicarboxylic acids using condensing agents,
method (ii).
HOOC A COOH
+ 2...
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Microbial Production of Amino Acids in Japan
Ngày tải lên :
26/10/2013, 02:20
... methods were searched for and deve-
loped for microbial production of other amino acids. Today a whole array of
amino acids are produced by microbial methods and used in the fields of medi-
cine ... l-hydroxyproline.
Microbial Production of Amino Acids in Japan
83
26. Syldatk C, Mueller R, Siemann M, Krohn K, Wagner F (1992) In: Rozzental JD, Wagner F
(eds) Biocatalytic production of amino acids and derivatives. ... acetic acid in the cells of the
Microbial Production of Amino Acids in Japan
73
Table 1.
Amino acid production in Japan and the world in 1996
Amino acid Amount (tons/year) Method
Japan World Bio-...
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Tài liệu Proteins và Amino Acids trong thức ăn thủy sản pptx
Ngày tải lên :
26/01/2014, 18:20
... phaõn
y phaõn
,
,
sa
sa
ỷ
ỷ
n sinh ra ca
n sinh ra ca
ự
ự
c
c
ủ
ủ
ụn vũ amino
ụn vũ amino
acids (e.g., egg albumin)
acids (e.g., egg albumin)
z
z
Protein lieõn ke
Protein lieõn ke
ỏ
ỏ
t
t
:
:
ca
ca
ự
ự
c ... liệu
www.agriviet.com
IV. Nhu ca
IV. Nhu ca
à
à
u protein va
u protein va
ø
ø
amino acids
amino acids
z
z
Theo NRC
Theo NRC
“
“
Nhu ca
Nhu ca
à
à
u protein la
u protein la
ø
ø
l
l
ư
ư
ơ
ơ
ï
ï
ng ... th
ứ
ứ
c ăn nha
c ăn nha
è
è
m tho
m tho
û
û
a mãn yêu ca
a mãn yêu ca
à
à
u ca
u ca
ù
ù
c amino acids
c amino acids
đ
đ
e
e
å
å
đ
đ
a
a
ï
ï
t tăng tr
t tăng tr
ư
ư
ơ
ơ
û
û
ng to
ng to
á
á
i
i
đ
đ
a
a
”
”
....
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Tài liệu Báo cáo khoa học: The mechanism of a-proton isotope exchange in amino acids catalysed by tyrosine phenol-lyase doc
Ngày tải lên :
19/02/2014, 16:20
... steady-state condi-
tions in reactions of PLP-dependent enzymes with amino
acids and the rates of the enzymatic isotopic exchange for
thesameaminoacids.
To answer these questions, we studied in the present ... A.S., Dobbert, N.N. & Braunstein, A.E. (1947)
Labilization of a-hydrogen of amino acids under the action of
aminoferase. Biokhimia 12, 556–568 (in Russian).
2. Esaki, N., Nakayuma, T., Sawada, ... and
shows that t he pattern of binding is the same for a variety of
amino acids. It has been established [5] that for a number of
amino acid i nhibitors bearing nonbranched substituents
without functional...
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Báo cáo khoa học: The ATPase activities of sulfonylurea receptor 2A and sulfonylurea receptor 2B are influenced by the C-terminal 42 amino acids doc
Ngày tải lên :
06/03/2014, 11:20
... of the last 42 amino acids from NBD2 of SUR2 resulted
in ATPase activity resembling that of NBD2 of SUR2A rather than that of
NBD2 of SUR2B: this might indicate that these amino acids are responsi-
ble ... NBD2B could
result from an inhibitory effect of the C-terminal 42
amino acids of NBD2B or a stimulatory effect of the
equivalent amino acids of NBD2A. To determine
which of these hypotheses is correct, ... last 42 amino acids. Figure 2A and Table 1 show
that the ATPase activity of NBD2-DC was greater
than that of SUR2B but similar to that of NBD2A,
favoring the idea that the last 42 amino acids of
NBD2B...
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Báo cáo khoa học: Control of mammalian gene expression by amino acids, especially glutamine potx
Ngày tải lên :
07/03/2014, 00:20
... action of amino acids on gene expression.
Amino acid(s) manipulations Factor(s) implied Experimental model Reference
Inhibiting effect resulting from the presence of amino acids
Pooled amino acids ... sequences, such as amino acid
response element and nutrient-sensing response element, have been shown
to mediate the inhibitory effect of some amino acids. Moreover, amino
acids exert a wide ... [63]
Stimulating effect resulting from the presence of amino acids
Dietary protein restriction Inhibited HNF-4 and NF1 binding Rat liver in vivo [14]
Mixed amino acids addition Increased phosphorylated STAT3...
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Báo cáo khoa học: Amino acids at the N- and C-termini of human glutamate carboxypeptidase II are required for enzymatic activity and proper folding pptx
Ngày tải lên :
07/03/2014, 15:20
... be
essential for its hydrolytic activity [15]. The protein is
proposed to consist of six domains: the N-terminal
cytoplasmic tail (amino acids 1–18), the helical transmem-
brane region (amino acids ... clearly show that the amino
acids at the extreme C-terminus of GCPII are crucial for the
hydrolytic activity of the enzyme and, furthermore, that
no more than 60 amino acids can be deleted from ... extracellular
domains spanning amino acids 44–150 (domain C), 151–
274 (domain D), 275–586 (domain E), and 587–750
(domain F). While the domain spanning amino acids 275–
586 is believed to be...
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Báo cáo khóa học: Vertical-scanning mutagenesis of amino acids in a model N-myristoylation motif reveals the major amino-terminal sequence requirements for protein N-myristoylation ppt
Ngày tải lên :
16/03/2014, 16:20
... significantly
affects the amino acid residue permitted at position 3.
In addition to the combination of amino acids at
positions 3 and 6, it was demonstrated that the combination
of amino acids at positions ... the amino acids located beyond
position 7 would also affect the amino acid requirement at
position 3. Further studies are required to fully characterize
the favorable combinations of amino acids ... detected with several amino acids: Ser, Thr, Val,
Ile in MG3X6T-TNF and Thr, Val, Ile in MG3X6F-TNF.
Thus, it was concluded from these observations that the
combination of amino acids at positions...
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Báo cáo khoa học: Identification of amino acids in antiplasmin involved in its noncovalent ‘lysine-binding-site’-dependent interaction with plasmin pptx
Ngày tải lên :
17/03/2014, 03:20
... site-directed
mutagenesis of charged amino acids in the C-terminal
portion of antiplasmin. Our first goal was to produce
mutants in which the C-terminal lysine was replaced by
amino acids without a positive ... activity was inhibited).
Computer model of the C-terminal 40 amino acids
in antiplasmin
A computer model of the C-terminal 40 amino acids in
antiplasmin [11] was constructed by
CS CHEM
3
DULTRA
,
version ... plasmin and antiplasmin. Results from computer-
ized molecular modelling of the C-terminal 40 amino acids
support our experimental data.
Keywords: antiplasmin; fibrinolysis; lysine-binding site;...
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Báo cáo khoa học: Transport of taurocholate by mutants of negatively charged amino acids, cysteines, and threonines of the rat liver sodium-dependent taurocholate cotransporting polypeptide Ntcp docx
Ngày tải lên :
17/03/2014, 09:20
... indicates,
however, that several amino acids may be essential for
hepatocellular taurocholate uptake because mutations in
these amino acids caused lack of transport; the amino acids
in question are Asp115, ... Ntcp based on hydropathy analysis of the amino acid sequence (according to [1]). Transmembrane domains are
symbolized as blocks of amino acids. Mutated amino acids are highlighted in gray. The resulting ... charged amino acids was made which revealed five
conserved glutamates and aspartates. The construction of
point mutations of all five conserved and two nonconserved
negatively charged amino acids...
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Báo cáo Y học: Amino acids 3–13 and amino acids in and flanking the 23FxxLF27 motif modulate the interaction between the N-terminal and ligand-binding domain of the androgen receptor pdf
Ngày tải lên :
17/03/2014, 10:20
... of amino acids 23, 26 and 27 completely abolished
interaction with GalDBD-AR.LBD and alanines at posi-
tions 24 and 25 increased the interaction capacity. All
alanine substitutions of amino acids ... appro-
priate selective medium (0.67% w/v yeast nitrogen base
without amino acids, 2% w/v glucose, pH 5.8), supplemen-
ted with the required amino acids. Yeast transformation
was carried out according to ... the FxxLF-
mediated AR N/C interaction, E897 is essential, but
K720 can be replaced by many other amino acids, without
Fig. 6. 30VREVI34 is not essential for AR
N/C interaction. (A) Interaction...
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Báo cáo khoa học: Arg143 and Lys192 of the human mast cell chymase mediate the preference for acidic amino acids in position P2¢ of substrates pdf
Ngày tải lên :
22/03/2014, 21:21
... Amino acids with
similar characteristics were grouped together as follows:
aromatic amino acids (Phe, Tyr, and Trp); negatively
charged amino acids (Asp and Glu); positively charged
amino acids ... charged
amino acids (Lys and Arg); small aliphatic amino acids
(Gly and Ala); larger aliphatic amino acids (Val, Leu, Ile,
and Pro); and hydrophilic amino acids (Ser, Thr, His, Asn,
Gln, Cys, and Met). ... charged P2¢
amino acids was lost completely.
In order to put our hypothesis to a stringent test, we
aligned the enzyme-selected peptides with acidic P2¢
amino acids, when an aromatic amino acid...
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Báo cáo khoa học: Endoplasmic reticulum stress caused by aggregate-prone proteins containing homopolymeric amino acids doc
Ngày tải lên :
23/03/2014, 07:20
... Neuroscience, NCNP, Kodaira, Tokyo, Japan
Homopolymeric amino acids (HPAAs) are distinct
tracts of amino acids comprising consecutive sequences
of the same amino acid, and are often present in native
proteins ... FEBS
Endoplasmic reticulum stress caused by aggregate-prone
proteins containing homopolymeric amino acids
Naohiro Uchio
1
, Yoko Oma
1
, Kazuya Toriumi
1
, Noboru Sasagawa
1
, Isei Tanida
2
, Eriko ... and
caspase-3 activity by HPAA expression became stron-
ger in proportion to the hydrophobicity of the amino
acids composing the HPAA [12]. The aggregate-prone
hydrophobic HPAAs were thought to have cytotoxic-
ity...
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Báo cáo khoa học: Metabolic pathway that produces essential fatty acids from polymethylene-interrupted polyunsaturated fatty acids in animal cells pot
Ngày tải lên :
23/03/2014, 09:20
... animals have to acquire these poly-
unsaturated fatty acids (PUFAs) from their diet.
The alignment of the double bonds of these essential
fatty acids as well as important metabolites, such as
arachidonic ... PMI-PUFAs shown here is thought
to be the process by which unsuitable fatty acids are
converted into the essential fatty acids required by ani-
mals. It has been proposed that one of the roles of
peroxisomal ... Journal compilation ª 2007 FEBS
Metabolic pathway that produces essential fatty acids
from polymethylene-interrupted polyunsaturated fatty
acids in animal cells
Tamotsu Tanaka
1
, Jun-ichi Morishige
1
,...
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