proteins amino acids and enzymes i hydrogen sulfide production and motility

Báo cáo khoa học: Assimilation of excess ammonium into amino acids and nitrogen translocation in Arabidopsis thaliana – roles of glutamate synthases and carbamoylphosphate synthetase in leaves ppt

Ngày tải lên : 30/03/2014, 01:20

... with mM nitrate in air (F) Ornithine, citrulline and arginine contents in leaves of Arabidopsis plants cultured with mM ammonium in air (G) Ornithine, citrulline and arginine contents under high-CO2 ... enzymes of nitrogen assimilation in maize leaves and their activities during greening Planta 134, 195 200 Ludwig RA (1993) Arabidopsis chloroplasts dissimilate l-arginine and l-citrulline for use ... enzymes and regulation of arginine biosynthesis in plants Plant Physiol Biochem 43, 729745 Skopelitis DS, Paranychianakis NK, Paschalidis KA, Pilakonis ED, Dellis ID, Yakoumakis DI, Kouvarakis...

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barrett - amino acids and peptides (cambridge, 2004)

Ngày tải lên : 04/06/2014, 16:05

... polypeptides 1.8 ‘Non-protein amino acids , alias ‘non-proteinogenic amino acids or ‘non-coded amino acids 1.9 Coded amino acids, non-natural amino acids and peptides in nutrition and food science ... coded amino acids present in proteins, including crosslinking amino acids (secondary amino acids) Modiﬁcations to side-chain functional groups of coded amino acids The aliphatic and aromatic coded ... and in the life sciences 1.12.1 Amino acids in chemistry 1.12.2 Amino acids in the life sciences 1.13 ␤- and higher amino acids 1.14 References Conformations of amino acids and peptides 2.1 Introduction:...

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Báo cáo y học: " Effects of carbohydrate, branched-chain amino acids, and arginine in recovery period on the subsequent performance in wrestlers" potx

Ngày tải lên : 11/08/2014, 23:21

... 108:274-282 42 Nishitani S, Ijichi C, Takehana K, Fujitani S, Sonaka I: Phar macological activities of br anched-chain amino acids: specificity of tissue and signal tr ansduction Biochem Biophys Res ... Physiol Gastrointest Liver Physiol 2005, 288:G1292-1300 10 Nishitani S Takehana K: Phar macological activities of br anched-chain amino acids: augmentation of albumin synthesis in liver and improvement ... branched-chain amino acids and arginine on glucose disposal and performance was also investigated Nine well-trained male wrestlers participated in trials in a random order Each trial contained matches with...

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amino acids, peptides and proteins in organic chemistry

Ngày tải lên : 02/04/2014, 15:59

... 205 Inhibitors of Aminopeptidases 207 Aspartyl Proteases Inhibitors 211 Renin Inhibitors 212 HIV-1 Protease Inhibitors 216 HTLV -I Inhibitors 220 Plasmepsin II Inhibitors 222 BACE-1 Inhibitors ... Molecular Biotechnology Via Fiorentina 53100 Siena Italy Amino Acids, Peptides and Proteins in Organic Chemistry Vol.4 – Protection Reactions, Medicinal Chemistry, Combinatorial Synthesis Edited by Andrew ... British Library Bibliographic information published by the Deutsche Nationalbibliothek The Deutsche Nationalbibliothek lists this publication in the Deutsche Nationalbibliograﬁe; detailed bibliographic...

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Tài liệu Proteins và Amino Acids trong thức ăn thủy sản pptx

Ngày tải lên : 26/01/2014, 18:20

... yếu Amino acid thiết yếu Arginine (ARG) Histidine (HIS) Isoleucine (ILE) Leucine (LEU) Lysine (LYS) Threonine (THR) Trytophan (TRY) Valine (VAL) Methionine Phenyalanine Amino acid không thiết ... viên g i t i liệu cho chúng t i Thay l i cám ơn đến tác giả cách chia l i t i liệu mà bạn có ngư i Bạn trực tiếp g i t i liệu bạn lên website g i cho chúng t i theo địa email Webmaster@Agriviet.Com ... amino acids n i kết N i hoá học peptide linkage Chu i protein có 100-200 đơn vò Cấu trúc protein Phân lo i protein Proteins đơn giản: chủ yếu protein nguyên chất, thủy phân, sản sinh đơn vò amino...

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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

... y is the ATP hydrolysis rate, IC50 is the concentration of inhibitor I at half-maximal inhibition, and B is the ATPase activity remaining at maximal inhibition (where B = for complete inhibition) ... only in their last 42 amino acids, which not form part of the catalytic site Thus, these amino acids may interact with the NBDs to modulate binding afﬁnity This interaction appears to require ... opening [7] Because MgADP activates Kir6.2 ⁄ SUR2B and Kir6.2 ⁄ SUR2A to similar extents [5], it appears that they bind MgADP with similar afﬁnities and transduce this binding into channel opening...

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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

... drop-out medium without histidine, leucine, tryptophan and uracil, 0.5% (w ⁄ v) ammonium sulphate) The medium was supplemented with uracil (20 lgÆmL)1) and the appropriate amino acids: histidine (20 ... HIS3, RFC) Euroscarf Euroscarf This study This study This study This study This study This study This study This study This study This study This study Invitrogen A Invitrogen Invitrogen Invitrogen ... Comparison of the amino acid context surrounding the putative phosphorylation site in eEF2 from various fungi, plants and metazoans The position of threonines T56 and T58 (yeast numbering) are indicated...

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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

... encoding the GCPII variant (amino acids 44–750) in the pMTNAEXST plasmid was excised by digestion with BglII and XhoI restriction enzymes and ligated into BamHI/XhoI sites in a pcDNA4/HisA vector ... the ligand-free protein, the authors docked several GCPII inhibitors into the GCPII-binding pocket and proposed/ analyzed the amino acid residues involved in the ligand– protein interactions ... modalities useful in clinical practice, is lagging behind the drug discovery activities Here, we report mapping of the individual predicted domains of human GCPII with regard to their contributions...

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Báo cáo khoa học: Short hydrogen bonds in proteins Sathyapriya Rajagopal and Saraswathi Vishveshwara pot

Ngày tải lên : 07/03/2014, 17:20

... found in helix–helix orientation and stabilization, and might contribute to helix packing and stability of these supersecondary structures Apart from interhelical stabilization, SHBs involving side ... RHD E Aminoacid Residue GA V I L MP FWS C T NQY K RHD E Aminoacid Residue Fig Amino acid residue-wise frequencies of donors and acceptors in SHBs determined by side chains (B and D) earlier, such ... SHBs and their role in stabilizing the tertiary structures of proteins are some of the highlights of this investigation Results and Discussion Dataset validation The positions of hydrogen atoms...

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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

... LB-ampicillin agar plates and single colonies were isolated and further cultivated to subconﬂuency in LB medium Plasmid DNA was isolated according to the Qiagen Midi kit instructions (Qiagen, Hilden, ... occuring point mutation of Thr262 in the human intestinal Na+/bile acid cotransporter ISBT abolished reabsorption of bile acids and caused primary bile acid malabsorption in patients [38] This ... depicting Glu257 and Asp115 as putative binding sites for sodium ions The extracellular loop between TM VI and VII contains a sodium substrate-binding region for taurocholate during sodium ion–taurocholate...

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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

... protein interaction motifs (F is any hydrophobic amino acid residue and x is any amino acid residue) are present: 30VREVI34 and the previously identiﬁed 23 FQNLF27 motif (Fig 5B) [20,30,31] To investigate ... proteins One candidate might be the TFIID TATA box-binding protein associated factor 31, TAFII31, which has been found to interact with FxxFF motifs in acidic transcription activation domains ... studied the function of the AR3)36 subdomain AR3)13 in N/C interaction and the role of individual amino acid residues in and ﬂanking the 23 FQNLF27motif in AR16)36 in N/C interaction Yeast protein...

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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

... aromatic amino acids (Phe, Tyr, and Trp); negatively charged amino acids (Asp and Glu); positively charged amino acids (Lys and Arg); small aliphatic amino acids (Gly and Ala); larger aliphatic amino ... speciﬁcity for all other positions was essentially unaffected The basic amino acids at positions 143 and 192 attract and stabilize the interaction of acidic amino acid side chains at position ... Fig Distribution of acidic amino acids in position P2¢ of wild-type (wt) HC and HC mutants The occurrence of acidic amino acids aligned in position P2¢ was compared between wild-type HC and the...

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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

... conformational disorders, including neurodegenerative diseases (e.g amyloid beta peptide in Alzheimer’s disease, huntingtin in Huntington’s disease, a-synuclein in Parkinson’s disease and prion protein ... polyubiquitinated protein accumulation by MG132 was quite similar to that with homopolymeric Ile and Leu (Figs 1C and 2B), suggesting that the cytoplasmic accumulation of polyubiquitinated protein ... Leu-containing YFP are themselves ubiquitinated, but the degradation of all hydrophobic HPAAs was inhibited by proteasome inhibitors (Fig S3), suggesting that homopolymeric Ile- and Leu-containing proteins...

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Báo cáo khoa học: Chromophore attachment in phycocyanin Functional amino acids of phycocyanobilin – a-phycocyanin lyase and evidence for chromophore binding doc

Ngày tải lên : 23/03/2014, 10:21

... transfer ability It is therefore concluded that binding of PCB by the lyase during the preincubation period inhibits the side reaction Chemical modiﬁcations of amino acids Arginine modiﬁcation by ... (EDAC) [34], resulting in inactivation of CpcF, but not of CpcE (Fig S2) The semilogarithmic plots of remaining activity against reaction time are linear, indicating that the inactivations followed ... was deposited in E coli as inclusion bodies Only 18% relative activity was recovered by solubilization with urea (8 m) and corenaturation with CpcE, indicating that interaction with CpcE aided the...

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Báo cáo y học: " Albumin dialysis improves hepatic encephalopathy and decreases circulating phenolic aromatic amino acids in patients with alcoholic hepatitis and severe liver failure" doc

Ngày tải lên : 13/08/2014, 11:23

... statistically significant Results Baseline clinical and analytical abnormalities for patients with alcoholic hepatitis and primary biliary cirrhosis with pruritus are shown in Table Patients with ... branched amino acids were not significantly modified by albumin dialysis, whereas phenolic aromatic amino acids decreased markedly in patients with alcoholic hepatitis and increased in patients with ... positive effect was associated with significant changes in the levels of circulating amino acids, and particularly with changes in phenolic aromatic amino acids, which decreased in patients with...

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Báo cáo y học: "Effects of hydrogen sulfide on hemodynamics, inflammatory response and oxidative stress during resuscitated hemorrhagic shock in rats" potx

Ngày tải lên : 13/08/2014, 21:21

... (Sigma-Aldrich, Saint Quentin Fallavier, France) for densitometric quantification and normalization to b-actin expression The hydrogen sulfide donor, NaHS, prevents ischemiareperfusion (I/ R)-induced ... Sivarajah A, McDonald MC, Thiemermann C: The production of hydrogen sulfide limits myocardial ischemia and reperfusion injury and contributes to the cardioprotective effects of preconditioning ... Study limitations The present study has several limitations By design, in order to mimic a realistic emergency clinical situation, we used a single i. v dose of NaHS Indeed, given the potential harmful...

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Báo cáo y học: " Administration of hydrogen sulfide via extracorporeal membrane lung ventilation in sheep with partial cardiopulmonary bypass perfusion: a proof of concept study on metabolic and vasomotor effects" ppt

Ngày tải lên : 14/08/2014, 07:21

... 39 Whitfield NL, Kreimier EL, Verdial FC, Skovgaard N, Olson KR: Reappraisal of H2S /sulfide concentration in vertebrate blood and its potential significance in ischemic preconditioning and vascular ... previously unrecognized toxic effects of high levels of H2S in the circulation Despite the availability of various methods used to quantify sulfide in biological fluids, it remains challenging ... Minamishima S, Bougaki M, Sips PY, Yu JD, Minamishima YA, Elrod JW, Lefer DJ, Bloch KD, Ichinose F: Hydrogen sulfide improves survival after cardiac arrest and cardiopulmonary resuscitation via...

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Báo cáo y học: "A computational method to predict genetically encoded rare amino acids in proteins" pdf

Ngày tải lên : 14/08/2014, 14:22

... Sensitivity and specificity Sensitivity = true positive/(true positive + false negative) 10 11 12 13 14 Specificity = true positive/(true positive + false positive) Estimates of true positives, ... protein This makes it possible to identify candidate selenoproteins in situations where the putative protein sequence immediately following a UGA codon is statistically similar to the aligned region ... selenocysteine residue with semi-invariant cysteine residue(s) in a set of aligned homologs; and a hairpin motif (putative SECIS) near the candidate ORF, which is consistent with the hairpin motifs near the...

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A novel and cost effective hydrogen sulfide removal technology us

Ngày tải lên : 27/02/2015, 09:19

... cosmetics, pharmaceuticals, textiles, and paper coatings (Abatzoglou & Boivin, 2009) Siloxanes not decompose during anaerobic digestion and instead are volatilized and exit the anaerobic digestion ... Hydrogen sulfide removal processes can be either physical-chemical or biological Claus process The Claus process is used in oil and natural gas refining facilities and removes H2S by oxidizing it to ... designs One commercially available biological H2S removal system is Thiopaq® It uses chemotrophic thiobacteria in an alkaline environment to oxidize sulfide to elemental sulfur It is able to simultaneously...

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