proteins amino acids and enzymes v catalase activity
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
... 70%, and 96%) and ethanol histoclear [2 : 1, : and : (v v) ] at C Tissues were then incubated in 100% histoclear, histoclear parafn (1 : 1, v v) and parafn at 59 C Amino acid synthesis and ... FEBS F Potel et al Amino acid synthesis and transport in Arabidopsis metabolism, we determined the levels of ammonium and free amino acids in leaves and compared them to the levels in the control ... GLU2, carA and carB in Arabidopsis leaves (A) Mesophyll section for GLU1 (B) Mesophyll and vascular section for GLU1 (C) Mesophyll and vascular section for GLU2 (D) Mesophyll and vascular section...
- 16
- 384
- 0
barrett - amino acids and peptides (cambridge, 2004)
... Oxford xv Introduction 1.1 Sources and roles of amino acids and peptides More than 700 amino acids have been discovered in Nature and most of them are ␣ -amino acids Bacteria, fungi and algae and ... vivo cleavages of the amide backbone of 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 ... ␣ -amino acids 4.4.7 Reactions of the amide group in acylamino acids and peptides Derivatisation of amino acids for analysis 4.5.1 Preparation of N-acylamino acid esters and similar derivatives...
- 241
- 228
- 0
Báo cáo y học: " Effects of carbohydrate, branched-chain amino acids, and arginine in recovery period on the subsequent performance in wrestlers" potx
... lower rate that lasts several hours [8] Previous studies have suggested that branched-chain amino acids (BCAA) and arginine may help improve both phases Studies in rats have shown that BCAA could ... anched-chain amino acids prolong exercise dur ing heat stress in men and women Med Sci Sports Exerc 1998, 30:83-91 61 Davis JM, Welsh RS, De Volve KL, Alderson NA: Effects of br anched-chain 33 amino acids ... effect of carbohydrate and protein consumption during the post-exercise recovery period on the performance in the subsequent exercise have provided positive [7, 28] and negative [29, 30] results...
- 46
- 298
- 0
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
... 59/750 and the His_44/750 variants An extremely low level of NAAG-hydrolyzing activity, < 0.01% of the 44/750 variant, was associated with the 44/750 _V5 -His variant, and no proteolytic activity ... equal volume of the denaturing SDS buffer and loaded onto a single lane Activity levels are indicated as follows: (+), measurable NAAG-hydrolyzing activity; (+/–), extremely low activity; (–), no activity; ... autologous S2 cell proteins, and because this cross-reactivity might have interfered with the detection of GCPII variants (especially when the expression level of the variant was very low), several clones...
- 9
- 414
- 0
amino acids, peptides and proteins in organic chemistry
... Na-Z -amino acids, facile introduction and removal conditions (with formation of easily removable cleavage products), and minimum side-reactions of the Z-protected amino acid derivatives have contributed ... temperature [13] Groups Removed by Reductive Cleavage Dithiasuccinoyl (Dts) imides are stable to acids and to photolysis, and are cleaved by reductive thiolysis Na-Dts -amino acids 19 are prepared through ... excess of amino acid over Fmoc-Cl, a 4-fold excess of Na2CO3 over amino acid, and 1: 10 (v/ v) mixture of dioxane and water as the solvent system has been recommended to be suitable [117] However,...
- 538
- 498
- 1
Tài liệu Proteins và Amino Acids trong thức ăn thủy sản pptx
... v Cấu trúc protein Phân loại protein Proteins đơn giản: chủ yếu protein nguyên chất, thủy phân, sản sinh đơn v amino t, acids (e.g., egg albumin) Protein liên kết: đơn v protein liên kết v i ... hóa amino acids keto -acids Các ketoacids tham gia v o chu trình Krebs để giải phóng lượng Còn gốc NH3 cá thải bỏ qua mang, nước tiểu CH3-CH-COOH + [ O] > NH2 Alanine CH3-CH-COOH + NH3 Pyruvic ... chanos)có nhu cầu protein 3032% 40-45% Hàm lượng amino acids huyết tương cao gấp 3-6 lần so ng v i động v t cạn nên khả biến dưỡng cao ng amino acids Khả sử dụng lượng biến dưỡng từ nguồn protein...
- 36
- 850
- 2
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
... Km values of 995 and 878 lM, and Vmax values of 31 and 27 nmol PiÆmin)1Æmg)1 protein, respectively The dashed line is the average of the ATPase activities • of NBD1 and NBD2B Table ATPase activities ... equation with estimated Vmax values of 37, 26, and 31 nmol PiÆminÆmg)1, and Km values of 769, 556, 882 and 340 lM, respectively (B) ATPase activity of a mixture of NBD1 and either NBD2A (s, n ... s)1, and Km values of 373 and 38 lm, respectively (Fig 3; Table 1) No ATPase activity was detected in the absence of Mg2+ (Fig 3A) The activities of SUR2A and SUR2B were approximately fourfold and...
- 9
- 620
- 0
Báo cáo khoa học: Amino acids Thr56 and Thr58 are not essential for elongation factor 2 function in yeast potx
... level as tagged wild-type eEF2 with two exceptions (Fig 1B) The detectable levels of the double mutant T5 6V ⁄ T5 8V and the single mutant T56D was 75% and 50% of the wild-type levels, respectively ... study This study Invitrogen A Invitrogen Invitrogen Invitrogen Invitrogen This study B Fig Galactose induced expression levels and ribosome association of plasmid-encoded mutant and wild-type eEF2 ... sequencing and by growing on the selective media, SC-Ura-Leu and SC-Leu-His GB1 cells transformed with empty pCBG1202 vector and the same vector containing wild-type eEF2 were used as negative and positive...
- 13
- 424
- 0
Báo cáo khoa học: Mutational analyses of human eIF5A-1 – identification of amino acid residues critical for eIF5A activity and hypusine modification doc
... expressed and expected to be effective substrates for DHS and DOHH [53] These findings provide evidence that both the N-terminal and C-terminal domain b-sheet core structures (amino acids 17–82 and ... further evidence that eIF5A stimulates protein synthesis in vivo Results Identification of amino acid residues of heIF5A that are vital for its activity in supporting yeast growth S cerevisiae contains ... isolated as high-copy suppressors of temperature-sensitive eIF5A mutants [36] eIF5A activity in vitro and in vivo depends not only on a long and basic deoxyhypusine ⁄ hypusine side chain, but also...
- 15
- 303
- 0
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
... Mutations of all conserved and two nonconserved negatively charged amino acids to the noncharged counterparts, i.e Asp to Asn and Glu to Gln, revealed that the aspartates Asp24 and Asp115 as well ... Turku, Finland) Results Search for conserved negatively charged amino acids, cysteines and C-terminal threonines by sequence identity An alignment of the amino acid sequence of nine SBAT proteins, ... identify conserved negatively charged amino acids and cysteines Tagging of Ntcp mutants by the FLAGÒ motif To determine whether the wild-type and the mutant proteins are expressed and located on...
- 11
- 367
- 0
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
... the LBD, respectively (K720 and E897 in AR) [35–37] AR K720 and E897 are both involved in the ligand–dependent interaction between AR LBD and the coactivator TIF2 [9,11,15] However, in the FxxLFmediated ... G., van der Korput, H.A., van Vroonhoven, C., van der Kwast, T.H., Trapman, J & Brinkmann, A.O (1991) Domains of the human androgen receptor involved in steroid binding, transcriptional activation, ... AR.DBD.LBD induces MMTVpromoter driven luciferase expression Separately expressed AR.DBD.LBD and AR.NTD are unable to activate the MMTV promoter (data not shown) 30 VREVI34 in androgen receptor N/C...
- 12
- 597
- 0
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
... A V G V E V E W G I S A T M S P W E I W R A I V V W F W A V D R143Q + K192M C A W Y W F E V A A P P L V I A V T V W K R K R V V L V L P W V L L V W A P V F P P R T V V V M M V L V V L S V F A ... M S A V M A V S R K E G S G S L T L L W V F I L P A C L W R P L L A A L L A V W M M M A M V L A V V L S S R G A V E V T V V R S P T G G G R V P V A V G W V T W G E V G M M V V V V A L I L A L ... 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...
- 13
- 424
- 0
Báo cáo khoa học: Bile acids increase hepatitis B virus gene expression and inhibit interferon-a activity pot
... constructs After incubation, HBV transcriptional activity, mRNA and protein levels of the HBV viral proteins (HBx and core) were assessed The relative expression levels of HBV protein or genome affected ... cells and the HBx and HBV core mRNA levels and then the FXRa mRNA levels were determined via RT-PCR The RT-PCR bands were quantified and normalized relative to the b-actin mRNA control band using ... cellular, subcellular and molecular levels in both hepatocytes and nonliver cells [17,18] Additionally, bile acids inhibit the induction of proteins involved in the antiviral activity of IFN [15]...
- 12
- 359
- 0
Báo cáo khoa học: Endoplasmic reticulum stress caused by aggregate-prone proteins containing homopolymeric amino acids doc
... measuring the cleavage of the fluorescent peptide substrate Suc–LLVY–MCA Homopolymeric Ile and Leu showed a significant reduction in proteasome activity (approximately 40% and 30%, respectively) (Fig ... Ile and Leu A decrease in proteasome activity can be caused by the degradation of proteasome subunits by activated caspase-3 [29] However, we could not detect a decrease in proteasome activity ... Uchio et al A B Fig Decreased proteasome activity by hydrophobic HPAAs (A) Chymotryptic activity of the proteasome in hydrophobic HPAA-expressing cells The activity of untransfected cells presented...
- 9
- 284
- 0
Báo cáo khoa học: Chromophore attachment in phycocyanin Functional amino acids of phycocyanobilin – a-phycocyanin lyase and evidence for chromophore binding doc
... the amino acids in the region 238–276 are involved in the interaction of the two subunits CpcE(1–272) had only 17–28% activity of the wildtype This activity is retained if two more amino acids ... lost activity in the supernatant form When purified and corenatured, the mutant showed 26% and 21% enzyme activity, respectively, indicating that amino acids 1–9 in CpcF are only moderately relevant ... Expression and purification of wild-type and mutant enzymes Full-length and truncated CpcE and CpcF proteins were expressed with N-terminal His- and S-tags using the pET-30a vector The proteins...
- 13
- 436
- 0
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
... different in vivo and in vitro studies have suggested that albumin dialysis may improve hepatic encephalopathy by decreasing the circulating levels of both ammonia and tryptophan [33,34] However, in ... branched-chain amino acids enriched versus a conventional amino acids mixture A controlled study in 70 patients Liver 1985, 5:282-289 Egberts EH, Schomerus H, Hamster W, Jürgens P: Branched chain amino acids ... and had no evidence of severe infection or multiorgan failure The following parameters were assessed before and after each treatment: standard liver function tests, arterial ammonia levels, and...
- 8
- 338
- 0
Báo cáo y học: "A computational method to predict genetically encoded rare amino acids in proteins" pdf
... V V A F S V L L L L L L L L L L L I M M M M I M M I N M V V V V V V V V N M A T T T T T A T T T V F S T T T T S T T V T T L I I I I L I I L I L C C C C C S C C E C C F F F F F L F F F F F M V ... Baranov PV, Atkins JF, Gladyshev VN: Pyrrolysine and selenocysteine use dissimilar decoding strategies J Biol Chem 2005, 280:20740-20751 Kryukov GV, Castellano S, Novoselov SV, Lobanov AV, Zehtab ... W Y Y F W W H V A E A A I I I A A T E E Q Q K N A Q S S E S S S A M M A S T L T V V V I I V V V V T V Figure Sections4of the multiple sequence alignments of the putative pyrrolysine-containing...
- 15
- 288
- 0
Iron(III) and copper(II) complexes bearing 8 quinolinol with amino acids mixed ligands synthesis, characterization and antibacterial investigation
... primary ligand can exhibit biological activity (Noorulla and Sreenivasulu, 2011; Singh et al., 2010; Freeman, 1973; Che and Siu, 2010; Podunavac-Kuzmanovic and Cvetkovic, 2007) and an amino acid ... thorium(IV) derived from 8-hydroxyquinoline and some amino acids Acta Pol Pharm – Drug Res 69 (6), 1087–1093 Podunavac-Kuzmanovic, S.O., Cvetkovic, D.C., 2007 Anion effect on antimicrobial activity ... benzimidazole derivative Chem Indust Chem Eng Q 13 (2), 68–71 Podunavac-Kuzmanovic, S.O., Cvetkovic, D.C., 2011 QSAR modeling of antibacterial activity of some benzimidazole derivatives Chem Indust...
- 6
- 473
- 0
Characterization of new peptides and physiological amino acids present in cerebrospinal fluid of chronic pain patients
... the nervous system Some of the transmitters and receptors involved in pain transmission or modulation, especially peptides, excitatory amino acids (EAA) and inhibitory amino acids (IAA) ... two viewpoints – amino acids analysis and peptide isolation from CSF and thus attempt to contribute to the management of unyielding chronic pain viii Research Collaborations Some bioactivity ... with and without labor pain v 82 Chapter Four A comparative study on the roles of amino acid neurotransmitters and nitric oxide in chronic and acute pain Analysis of pain-related amino acids...
- 218
- 264
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ