protein and amino acid supplements

CHƯƠNG XI: SỰ BIẾN DƯỠNG PROTEIN VÀ AMINO ACID

CHƯƠNG XI: SỰ BIẾN DƯỠNG PROTEIN VÀ AMINO ACID

Ngày tải lên : 23/10/2013, 14:15
... GIAN CỦA AMINO ACID 2.1.Sự vận chuyển nhóm amin amino acid 2.2.Sự oxid hoá khử amin amino acid 2.3.Sự khử độc ammonia tự máu 2.4.Sự khử carboxyl amino acid 3.TIẾN TRÌNH SINH TỔNG HỢP PROTEIN 3.1.Sự ... Eukaryotic Prokaryotic cell SỰ HOẠT HÓA AMINO ACID (Activation of amino acid) Amino acylt.RNA synthetase Enz R HC-NH2 OH CO P α -Amino acid OH P 3' ribose 5' ribose t.RNA Amino acyl-t.RNA Anticodon 3.5 ... amin amino acid (Oxidative deamination) 2.2.1.Sự oxid hoá khử amin trực tiếp Sự oxid hoá khử amin trực tiếp (Oxidative deamination - Direct) Amino acid oxidase H2 N- H HN= Fp FpH2 H2 O α Amino acid...
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Chuong IV-SỰ BIẾN DƯỠNG PROTEIN VÀ AMINO ACID

Chuong IV-SỰ BIẾN DƯỠNG PROTEIN VÀ AMINO ACID

Ngày tải lên : 17/01/2014, 19:25
... GIAN CỦA AMINO ACID 2.1.Sự vận chuyển nhóm amin amino acid 2.2.Sự oxid hoá khử amin amino acid 2.3.Sự khử độc ammonia tự máu 2.4.Sự khử carboxyl amino acid 3.TIẾN TRÌNH SINH TỔNG HỢP PROTEIN 3.1.Sự ... Elastin và Cắt lk peptide bonds ở đầu carboxyl Proteins khác của amino acids béo (R: H hoặc CH3) Proteins and Polypeptides Proteins and Polypeptides Cắt lk peptide ở đầu carboxyl tận ... của polypeptide Cắt lk peptide giữa amino acids Sự hấp thu và vận chuyển protein và amino acid phụ thuộc vào các yếu tố tuổi, loại amino acid, đường cung cấp Cơ chế hấp thu:...
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Tài liệu CHƯƠNG III: PROTEIN VÀ AMINO ACID doc

Tài liệu CHƯƠNG III: PROTEIN VÀ AMINO ACID doc

Ngày tải lên : 25/01/2014, 10:20
... (scleroprotein) 3.3.2 Protein phức tạp Phosphoprotein: Protein + hợp chất hữu có P Glycoprotein: Protein + Glucid Lipoprotein: Protein + lipid Nucleoprotein: Protein + nucleic acid Chromoprotein: Protein ... nhóm  Amino acid chủ yếu (Essential amino acid) : PHILL MATT V  Amino acid không chủ yếu (Nonessential amino acid) 2.5.2.Phân loại theo chức hoá học gốc R: nhóm 3 .PROTEIN 3.1.Cấu trúc protein ... thể 2 .AMINO ACID 2.1.Công thức cấu tạo - Danh pháp Amino acid đơn vị cấu tạo protein, dẫn xuất acid hữu cơ; đó, nguyên tử hydrogen (H) vị trí carbon α thay nhóm amin (NH2), gọi α -amino acid NH2...
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Tài liệu Báo cáo khóa học: Active-site residues and amino acid specificity of the bacterial 4¢-phosphopantothenoylcysteine synthetase CoaB pptx

Tài liệu Báo cáo khóa học: Active-site residues and amino acid specificity of the bacterial 4¢-phosphopantothenoylcysteine synthetase CoaB pptx

Ngày tải lên : 19/02/2014, 12:20
... MALDI-TOF MS and it is shown that the 4¢-phosphopantothenoyl-CMP intermediate is copurified with His-CoaB N210H/K Dfp proteins were first purified and characterized as flavoproteins by Spitzer and Weiss ... thio-b-D-galactoside (IPTG), and harvested h after induction Growth temperature was 37 °C Purification of His-CoaA and His-CoaB proteins For purification of His-CoaA and His-CoaB proteins, 500 mL of IPTG-induced ... and 450 nm Molecular mass information was obtained as described [6], determining the elution volumes of standard proteins and the void volume of the column The Superdex 200 PC 3.2/30 column and...
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Tài liệu Báo cáo Y học: Bivalent cations and amino-acid composition contribute to the thermostability of Bacillus licheniformis xylose isomerase doc

Tài liệu Báo cáo Y học: Bivalent cations and amino-acid composition contribute to the thermostability of Bacillus licheniformis xylose isomerase doc

Ngày tải lên : 22/02/2014, 07:20
... T) and an increase in charged amino- acid residues (i.e K, E, and R) in hyperthermophilic proteins As S and T can catalyze the deamination and backbone cleavage of Q and N residues [48,50], a reduction ... 0.981, is based on the elution data of the 200, 150, and 66 kDa protein standards Linear regressions (1) and (2) give molecular masses of 200 and 177.5 kDa, respectively, for BLXI q FEBS 2001 ... mesophilic and hyperthermophilic organisms were analyzed in recent studies [9,47–49] All these studies reported a decrease in the content of uncharged polar amino acids (i.e Q, N, S, and T) and an...
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Chương III: Protein và amino acid potx

Chương III: Protein và amino acid potx

Ngày tải lên : 07/07/2014, 05:20
... (scleroprotein) 3.3.2 Protein phức tạp Phosphoprotein: Protein + hợp chất hữu có P Glycoprotein: Protein + Glucid Lipoprotein: Protein + lipid Nucleoprotein: Protein + nucleic acid Chromoprotein: Protein ... 186.12 Trp W Amino acid có tính acid (Carboxylated amino acids) Aspartic acid 115.09 Asp D Glutamic acid 129.12 Glu E Amino acid có tính kiềm dạng amide (Amino/ amide-containing amino acids) Asparagine ... nhóm  Amino acid chủ yếu (Essential amino acid) : PHILL MATT V  Amino acid không chủ yếu (Nonessential amino acid) 2.5.2 Phân loại theo chức hoá học gốc R: nhóm Amino acid Mol Wt ký tự ký tự Amino...
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CHƯƠNG III: PROTEIN VÀ AMINO ACID ppsx

CHƯƠNG III: PROTEIN VÀ AMINO ACID ppsx

Ngày tải lên : 07/07/2014, 05:20
... (scleroprotein) 3.3.2 Protein phức tạp Phosphoprotein: Protein + hợp chất hữu có P Glycoprotein: Protein + Glucid Lipoprotein: Protein + lipid Nucleoprotein: Protein + nucleic acid Chromoprotein: Protein ... 186.12 Trp W Amino acid có tính acid (Carboxylated amino acids) Aspartic acid 115.09 Asp D Glutamic acid 129.12 Glu E Amino acid có tính kiềm dạng amide (Amino/ amide-containing amino acids) Asparagine ... nhóm  Amino acid chủ yếu (Essential amino acid) : PHILL MATT V  Amino acid không chủ yếu (Nonessential amino acid) 2.5.2 Phân loại theo chức hoá học gốc R: nhóm Amino acid Mol Wt ký tự ký tự Amino...
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Chương IV: Sự biến dưỡng Protein và Amino acid potx

Chương IV: Sự biến dưỡng Protein và Amino acid potx

Ngày tải lên : 07/07/2014, 05:20
... gồm 86 amino acid Qúa trình biên tập cắt đoạn peptide từ amino acid 31 -> 65 (35 amino acid) Insulin gồm : chuỗi A : amino acid 66 -> 86 (21 amino acid) chuỗi B : amino acid -> 30 (30 amino acid) ... aminno acid Cơ chế chuyển amin mô bào động vật; Cơ chế amine hóa–hoàn nguyên α- ketoacid NH3 vi sinh vật thực vật 3.2 Sự thoái biến amino acid Sự khử amine amino acid Sự khử carboxyl amino acid ... DÀY 2.TIÊU HÓA PROTEIN - Pepsinogen Tiêu hóa protein dày Protein Tiêu hóa protein ruột non Sự phân hủy protein mô bào Đặc điểm tiêu hóa protein thú nhai lại - Chimotrypsinogen Protein Enterokinase...
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Báo cáo y học: "Amino acid racemization reveals differential protein turnover in osteoarthritic articular and meniscal cartilages" docx

Báo cáo y học: "Amino acid racemization reveals differential protein turnover in osteoarthritic articular and meniscal cartilages" docx

Ngày tải lên : 09/08/2014, 13:22
... converted all D and L Asn and Gln to D and L Asp and Glu All results for Asp and Glu are therefore measurements of Asp + Asn (Asx) and Glu + Gln (Glx) The separation of D and L forms of Leu and Ile required ... D/D+L amino acid accumulation per unit of tissue mass due to additions of newly synthesized L amino acids The combination of catabolism and anabolism could lead to the replacement of D amino acids ... that the age-adjusted Table Expected changes with age in total amino acid content (D+L) and amino acid racemization (D/D+L) Total amino acid (D+L) with age Ratio D/D+L with age Anabolism Slight increase...
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báo cáo khoa học: "A single amino acid change within the R2 domain of the VvMYB5b transcription factor modulates affinity for protein partners and target promoters selectivity" docx

báo cáo khoa học: "A single amino acid change within the R2 domain of the VvMYB5b transcription factor modulates affinity for protein partners and target promoters selectivity" docx

Ngày tải lên : 11/08/2014, 11:21
... DNA-binding and the trans-regulation properties of the mutated VvMYB5b L protein were investigated in yeast and in grape suspension cells and compared to those of the native protein VvMYB5bR and VvMYB5bL ... affinities and transactivation properties of transcription factors Disruption of the salt bridge by amino acid substitution affected the CRP (cAMP Receptor Protein) protein activity and led to ... (Electrophoretic Mobility Shift Assay) Both proteins were synthesized by an in vitro transcription and translation assay and biotinylated protein bands were detected by a chemiluminescent assay...
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Báo cáo y học: " A 176 amino acid polypeptide derived from the mumps virus HN ectodomain shows immunological and biological properties similar to the HN protein" pdf

Báo cáo y học: " A 176 amino acid polypeptide derived from the mumps virus HN ectodomain shows immunological and biological properties similar to the HN protein" pdf

Ngày tải lên : 12/08/2014, 04:20
... and a large polymerase protein (L), four membrane proteins, an unglycosylated inner membrane or matrix protein (M) and three glycosylated envelope proteins, the fusion protein (F), the hemagglutinin-neuraminidase ... singlestranded, negative sense, non-segmented RNA of 15,384 nucleotides The genome encodes for three nucleocapsid-associated proteins: an RNA binding protein (N), a phosphoprotein (P) and a large ... Nucleic Acids Res 2004, 32:D23-26 45 Gasteiger E, Gattiker A, Hoogland C, Ivanyi I, Appel RD, Bairoch A: ExPASy: The proteomics server for in-depth protein knowledge and analysis Nucleic Acids...
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Báo cáo y học: "Amino acid size, charge, hydropathy indices and matrices for protein structure analysis" docx

Báo cáo y học: "Amino acid size, charge, hydropathy indices and matrices for protein structure analysis" docx

Ngày tải lên : 13/08/2014, 23:20
... charged amino acids is about 26% and the calculated frequency of charge-determined amino acid -amino acid interactions is × 5/2 of 20 × 20/2, i.e only 6.25% The influence of charge on amino acid ... HM(A) and HM(B) are the hydrophobic moments of the amino acids A and B and HM(Arg)-HM (Ile) = 10.6 This formula gives the maximal index (20) for identical amino acids (closest hydrophobicity) and ... charge; Asp and Glu are negatively charged, acidic (pI 2.7 and 3.2) and His, Lys, Arg are positively charged, basic (pI 7.5, 9.7, and 10.7) Only 16/64 codons encode charged amino acids, so the...
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Báo cáo y học: "Parvovirus B19 Genotype Specific Amino Acid Substitution in NS1 Reduces the Protein’s Cytotoxicity in Culture"

Báo cáo y học: "Parvovirus B19 Genotype Specific Amino Acid Substitution in NS1 Reduces the Protein’s Cytotoxicity in Culture"

Ngày tải lên : 26/10/2012, 09:32
... or other inter -protein interactions The identification by Abe and colleagues (1) of an amino acid substitution in the NS1 protein of B19 genotype that could not be observed in NS1 proteins isolated ... specific amino acid variation in the B19 NS1 protein on liver toxicity The clinical observation by Abe et al (1) of B19 genotype variability in different liver disease groups, identified two amino acid ... primers (Table 1) The following mutants were generated: PathT, a single amino acid replacement, T183A, and PathI, a single amino acid replacement, I181M The NS1 constructs were ligated into the EcoR1-Xba1...
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Tài liệu Chương 2: Amino acid - Đơn vị cấu tạo Protein pdf

Tài liệu Chương 2: Amino acid - Đơn vị cấu tạo Protein pdf

Ngày tải lên : 22/12/2013, 15:16
... tạo amino acid nhóm V 1.2.2 Các amino aicd thường gặp Các amino acid thường gặp amino acid thường có mặt thành phần loại protein Chúng có khoảng 20 loại thu nhận thuỷ phân protein Các loại amino ... Tên amino acid Tên amino acid gọi theo danh pháp hoá học α-aminoacetic Glycine α-aminoprpionic Alanine α-pirolidincarboxylic Proline α-aminoiaovaleric Valine α-aminonoisocaproic Leucine α -amino- β-metylvaleric ... amino acid thủy phân protein 2.1 Thủy phân acid 24 Để thu nhận amino acid phương pháp thường dùng nhiều thuỷ phân acid HCL 6N dư thừa nhiệt độ 100-120oC khoảng 24 Sản phẩm thu chủ yếu amino acid...
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Tài liệu Báo cáo khoa học: Looking for the ancestry of the heavy-chain subunits of heteromeric amino acid transporters rBAT and 4F2hc within the GH13 a-amylase family ppt

Tài liệu Báo cáo khoa học: Looking for the ancestry of the heavy-chain subunits of heteromeric amino acid transporters rBAT and 4F2hc within the GH13 a-amylase family ppt

Ngày tải lên : 18/02/2014, 13:20
... 4F2hc and rBAT proteins, as well as for 4F2hc proteins and GH13 enzymes (Fig 3) Remarkably, there are a few segments, namely those at or around the b2-, b3- and b8-strands (CSRs VI, I and VII, ... these proteins from Caenorhabditis elegans [34] have been named as amino acid transporter glycoproteins (ATG) Of the two groups, ATG1 Origin of rBAT and 4F2hc within the GH13 a-amylase family and ... proteins; 4F2, true 4F2hc proteins; ATG1 and ATG2, ATGs from nematodes; hcHAT1 and hcHAT2, hcHAT-like proteins covering basal metazoans and arthropods; GH13, GH13-like proteins or enzymes; OGLU,...
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Tài liệu Báo cáo khoa học: Purification and structural characterization of a D-amino acid-containing conopeptide, conomarphin, from Conus marmoreus docx

Tài liệu Báo cáo khoa học: Purification and structural characterization of a D-amino acid-containing conopeptide, conomarphin, from Conus marmoreus docx

Ngày tải lên : 18/02/2014, 17:20
... striking feature of conomarphin The l -amino acid to d -amino acid epimerization in a polypeptide chain is quite rare and not well understood, although some d -amino acids have been known for a long ... worth pointing out that the l -amino acid to d -amino acid epimerization seems to be complete for conopeptides, whereas both isoforms coexist in defensin-like peptides and natriuretic peptides from ... methods on an ABI 433A peptide synthesizer using standard Fmoc chemistry and side-chain protection N-terminal sequencing and MS N-terminal amino acid sequence analysis was performed by automated...
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Tài liệu Báo cáo khoa học: Implication of the glutamine synthetase ⁄glutamate synthase pathway in conditioning the amino acid metabolism in bundle sheath and mesophyll cells of maize leaves doc

Tài liệu Báo cáo khoa học: Implication of the glutamine synthetase ⁄glutamate synthase pathway in conditioning the amino acid metabolism in bundle sheath and mesophyll cells of maize leaves doc

Ngày tải lên : 18/02/2014, 18:20
... contamination from xylem, and vice versa Glx (glutamine and glutamate: ve carbon amide and amino acid) and Asx (asparagine and aspartate: four carbon amide and amino acid) were found to be the ... Amino acid composition in leaves, and amino acid percentage ratio in the phloem exudates and leaves and xylem bleeding sap and leaves in the light and dark The amino acid composition in leaves is ... asparagine were the major amino acids in the xylem sap in both the light (63% of the total amino acids) and dark (60%) (Fig 7B) The amino acid percentage ratio in the leaves and phloem distinguished...
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Tài liệu Báo cáo khoa học: Local stability identification and the role of a key aromatic amino acid residue in staphylococcal nuclease refolding pdf

Tài liệu Báo cáo khoa học: Local stability identification and the role of a key aromatic amino acid residue in staphylococcal nuclease refolding pdf

Ngày tải lên : 20/02/2014, 01:20
... at 140 (W140A and W140O) was much lower than both the wild-type protein and mutants E142O and K133A Thermal analysis of protein unfolding The DSC curves of the wild-type protein and the mutants ... W140O and K133A] The curves of W140A and W140O are nearly linear in terms of intensity All protein concentrations were mgÆmL)1 of the wild-type protein and K133A and E142O were 88.45, 84.70, and ... W140A and K133A Truncated proteins W140O (the segment between positions 140 and 149 of the wild-type protein was removed) and E142O (the segment between positions 142 and 149 of the wild-type protein...
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