Amino acid & Peptit (Nâng Cao)

... results in the reduction of B19 NS1- induced cytotoxicity of liver cells. Our results support the hypothesis that in the setting of persistent B19 infection, direct B19 NS1- induced cytotoxicity may ... 7(3):110-119 â Ivyspring International Publisher. All rights reserved Research Paper Parvovirus B19 Genotype Specific Amino Acid Substitution in NS1 R...

Ngày tải lên: 26/10/2012, 09:32

... pháp sắc ký 12 2.3.1. Đặc điểm chung của phƣơng pháp sắc ký 12 2.3.2. Cơ sở của phƣơng pháp sắc ký 12 2.4. Một số phƣơng pháp sắc ký trong phân tich amino acid 13 11 2.2.2.3. Nấm bào ... TRỒNG VÀ XÁC ĐỊNH THÀNH PHẨN AMINO ACID CỦA MỘT SỐ LOÀI NẤM BÀO NGƢ (Pleurotus spp.) BẰNG KỸ THUẬT SẮC KÝ LỎNG CAO ÁP (High performance liquid chrom...

Ngày tải lên: 31/10/2012, 09:35

... học Tự nhiên và Công nghệ 25 (2009) 172-178 172 Tối ưu quá trình lên men thu nhận amino acid l-lysine từ vi khuẩn Corynebacterium glutamicum VTCC-B-656 Trần Thị Minh Tâm, Nguyễn Thúy Hương* ... Hồ Chí Minh, Vi t Nam Nhận ngày 10 tháng 3 năm 2009 Tóm tắt. Tối ưu quá trình lên men thu nhận amino acid lysine từ C. glutamicum VTCC-B...

Ngày tải lên: 12/02/2014, 17:20

... arginyl-tRNA synthetases as revealed by an examination of natural specificity variants Gabor L. Igloi and Elfriede Schiefermayr Institute of Biology, University of Freiburg, Germany The accuracy of protein ... between arginine and canavanine for aminoacylation of the plant tRNA transcript was observed when using [ 14 C]-canava- nine. At 0.4 mm canavanine, less tha...

Ngày tải lên: 18/02/2014, 13:20

... scenarios reflect the ancestry of both rBATs and 4F2hc proteins anchored within the GH13 a-amylase family. The dif- ference is only in the way leading from the GH13 enzymes either to rBAT and 4F2hc together ... effort to shed more light on the early evolutionary history of the heavy-chain subunits of heteromeric amino acid transporters (hcHA...

Ngày tải lên: 18/02/2014, 13:20

... 1350–1366 ª 2008 The Authors Journal compilation ª 2008 FEBS 1351 Modulation of the enzymatic efficiency of ferredoxin-NADP(H) reductase by the amino acid volume around the catalytic site Matı ´ as ... tuned by selecting amino acids that face the other side of the tyrosine phenol ring. The specific volumes of the above-men- tioned residues co...

Ngày tải lên: 18/02/2014, 17:20

... Authors Journal compilation ê 2008 FEBS 1987 Purification and structural characterization of a D-amino acid-containing conopeptide, conomarphin, from Conus marmoreus Yuhong Han 1,2, *, Feijuan ... semipreparative column was from Agilent Tech- nologies (Santa Clara, CA, USA), and trifluoroacetic acid and acetonitrile used for HPLC were from Merck (Darms- tadt,...

Ngày tải lên: 18/02/2014, 17:20

... compilation ê 2008 FEBS Implication of the glutamine synthetase ⁄ glutamate synthase pathway in conditioning the amino acid metabolism in bundle sheath and mesophyll cells of maize leaves Marie-He ´ le ` ne ... pollination reduces the loss of amino acids from these stalks and leaves for use in grain filling [8]. The amino acids were...

Ngày tải lên: 18/02/2014, 18:20

... has Fig. 5. Analysis of the enzymatic activity of His -CoaB R206Q and A276V. The synthesis of 4Â-phosphopantothenoyl-CMP (cysteine, upper part of the gure) and of 4Â-phosphopantothenoylcysteine (+ ... important for the second-half reaction and are part of the active-site of CoaB; these residues may be directly involved in binding of one of the substra...

Ngày tải lên: 19/02/2014, 12:20

... were of analytical grade from Nacalai Tesque (Kyoto, Japan) and Wako Pure Chemical Industries (Osaka, Japan). Culture and screening of bacteria Bacterial strains were cultivated for 15–20 h at ... & Komagata K (1992) Transfer of Pseudomonas- Amino- vorans (Dendooren Dejong 1926) to Aminobacter General-Nov as Aminobacter-Aminovorans Comb-Nov and description of Aminobacter-Aganoe...

Ngày tải lên: 19/02/2014, 16:20

... FEBS Local stability identification and the role of a key aromatic amino acid residue in staphylococcal nuclease refolding Zhengding Su 3 , Jiun-Ming Wu 1 , Huey-Jen Fang 1 , Tian-Yow Tsong 2,3 and ... state may be maintained mainly by key amino acids. In this study, two point-mutated proteins each with a single base substitution [alanine for trypto...

Ngày tải lên: 20/02/2014, 01:20

... 2003 A single amino acid substitution of Leu130Ile in snake DNases I contributes to the acquisition of thermal stability A clue to the molecular evolutionary mechanism from cold-blooded to warm-blooded ... DNases I. Amphibian DNasesIhaveaSer205insertioninaCa 2+ -binding site of mammalian and avian enzymes that reduces their ther...

Ngày tải lên: 20/02/2014, 23:20

... 6281 Importance of the amino-acid composition of the shutter region of plasminogen activator inhibitor-1 for its transitions to latent and substrate forms Martin Hansen, Marta N. Busse and Peter ... Both transitions to latent and substrate forms were strongly but differently influenced by the amino-acid composition of the shut...

Ngày tải lên: 22/02/2014, 07:20

... (3) < (2) < (4) < (1) < (5) < (6) B. (2) > (3) > (4) > (1) > (5) > (6) C. (3) < (1) < (4) < (2) < (5) < (6) D. (2) < (3) < (4) < (1) < ... (3) < (2) < (4) < (1) < (5) < (6) B. (2) > (3) > (4) > (1) > (5) > (6) C. (3) < (1) < (4) < (2) < (5) < (6) D. (2) < (3) < (4) < (1) < ... M...

Ngày tải lên: 13/02/2015, 11:00