Báo cáo khoa học: Quenched hydrogen ⁄deuterium exchange NMR characterization of amyloid-b peptide aggregates formed in the presence of Cu2+ or Zn2+ ppt

Báo cáo khoa học: Quenched hydrogen ⁄deuterium exchange NMR characterization of amyloid-b peptide aggregates formed in the presence of Cu2+ or Zn2+ ppt

Báo cáo khoa học: Quenched hydrogen ⁄deuterium exchange NMR characterization of amyloid-b peptide aggregates formed in the presence of Cu2+ or Zn2+ ppt

... distin- guish aggregates formed in the presence of Cu 2+ from those formed in the presence of Zn 2+ . Taken together, these results suggest that Ab aggre- gates formed in the presence of Cu 2+ or Zn 2+ are ... the form of aggregates formed in the presence of Cu 2+ [(i) and (iii)] or Zn 2+ [(ii) and (iv)], or as fibrils formed in the...
Ngày tải lên : 30/03/2014, 01:20
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Tài liệu Báo cáo khoa học: A second novel dye-linked L-proline dehydrogenase complex is present in the hyperthermophilic archaeon Pyrococcus horikoshii OT-3 pptx

Tài liệu Báo cáo khoa học: A second novel dye-linked L-proline dehydrogenase complex is present in the hyperthermophilic archaeon Pyrococcus horikoshii OT-3 pptx

... stream from the 5¢-terminus of the predic- ted ORF, is the proper initial codon for a2. The N-ter- minal amino-acid sequences of the b2 and c2 subunits corresponded to the sequences of the predicted PH1751 ... down- stream from the 5¢-terminus of the predicted ORF, is the proper initial codon for the a1 gene. The N-terminal amino-acid sequence of the b1 sub...
Ngày tải lên : 20/02/2014, 01:20
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Báo cáo khoa học: Mitochondrial transcription factor A overexpression and base excision repair deficiency in the inner ear of rats with D-galactose-induced aging pdf

Báo cáo khoa học: Mitochondrial transcription factor A overexpression and base excision repair deficiency in the inner ear of rats with D-galactose-induced aging pdf

... in mutant mtDNA harboring the com- mon deletion. By applying the specific probe, we can even detect the presence of the common deletion in the inner ear in the control group. The proportions of ... 5.1-fold, respectively. Increased protein level of TFAM induced by D-Gal To further understand the expression of TFAM protein in the inner ear, western blot analy...
Ngày tải lên : 14/03/2014, 23:20
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Báo cáo khoa học: Total chemical synthesis and NMR characterization of the glycopeptide tx5a, a heavily post-translationally modified conotoxin, reveals that the glycan structure is a-D-Gal-(1fi3)-a-D-GalNAc pot

Báo cáo khoa học: Total chemical synthesis and NMR characterization of the glycopeptide tx5a, a heavily post-translationally modified conotoxin, reveals that the glycan structure is a-D-Gal-(1fi3)-a-D-GalNAc pot

... used in the synthesis to insure that we would synthesize a tx5a analog corresponding to the native peptide (irrespective of which 6-bromotryptophan isomer was incorporated in the native tx5a peptide) ... used. The peptide synthesizer used conductance monitoring to check the efficiency of the coupling reactions. In order to scale up t he automated synthesis to the s...
Ngày tải lên : 23/03/2014, 13:20
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Báo cáo khoa học: Abortive translation caused by peptidyl-tRNA drop-off at NGG codons in the early coding region of mRNA potx

Báo cáo khoa học: Abortive translation caused by peptidyl-tRNA drop-off at NGG codons in the early coding region of mRNA potx

... inhibit growth of the strain even in the presence of IPTG induction. All of these results suggest that the low gene expression associated with NGG codons in the down- stream region following the initiation ... paus- ing at early NGG codons is the reason for the observed low gene expression. The length of the peptidyl moiety of the peptidyl- tRNA in uences...
Ngày tải lên : 30/03/2014, 20:20
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Báo cáo khoa học: Activated transglutaminase from Streptomyces mobaraensis is processed by a tripeptidyl aminopeptidase in the final step pptx

Báo cáo khoa học: Activated transglutaminase from Streptomyces mobaraensis is processed by a tripeptidyl aminopeptidase in the final step pptx

... activities, the cross-linking of proteins via N e -(c-glutamyl)lysine bonds, the incorpor- ation of polyamines into proteins, the deamidation of protein-bound glutamines, and the covalent attachment of proteins ... allows the organism to develop substrate and aerial mycelia culminating in the formation of spores [1]. In contrast, culture in shaking flasks containing...
Ngày tải lên : 31/03/2014, 07:20
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Báo cáo khoa học: Short hydrogen bonds in proteins Sathyapriya Rajagopal and Saraswathi Vishveshwara pot

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

... to assess the validity of this dataset. Firstly, the B-factors of the donor and the acceptor atoms involved in for- mation of SHBs are compared with those of the atoms forming normal hydrogen ... are the acceptors com- monly found for these Tyr side chain donors. The ana- lysis on pairing frequencies of donor–acceptors has shown that more than 50% of the accept...
Ngày tải lên : 07/03/2014, 17:20
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Tài liệu Báo cáo khoa học: X-ray crystallographic and NMR studies of pantothenate synthetase provide insights into the mechanism of homotropic inhibition by pantoate docx

Tài liệu Báo cáo khoa học: X-ray crystallographic and NMR studies of pantothenate synthetase provide insights into the mechanism of homotropic inhibition by pantoate docx

... of pantoate bound in the ATP-binding pocket. Pantoate binding to the ATP-binding site induced large changes in structure, mainly for backbone and side chain atoms of residues in the ATP binding HXGH(34–37) ... [8,9]. One of the interesting features of the plant PSs is the presence of a conserved 24 residue insertion in the sequence [9]. This sequence of ami...
Ngày tải lên : 16/02/2014, 09:20
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Tài liệu Báo cáo khoa học: An ecdysteroid-inducible insulin-like growth factor-like peptide regulates adult development of the silkmoth Bombyx mori docx

Tài liệu Báo cáo khoa học: An ecdysteroid-inducible insulin-like growth factor-like peptide regulates adult development of the silkmoth Bombyx mori docx

... effect of 20E [32]. In the present study, BIGFLP stimulated BrdU incorpo- ration into the wing disk in the absence of 20E. How- ever, the observed synergistic effect of bombyxin and 20E in other insects ... (1997) Bombyxin, an insulin-related peptide of insects, reduces the major storage carbohydrates in the silkworm Bombyx mori. Comp Biochem Physiol 118B, 349–35...
Ngày tải lên : 18/02/2014, 13:20
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Tài liệu Báo cáo khoa học " ĐÁNH GIÁ KHẢ NĂNG THÔNG HƯỚNG KHI THI CÔNG ĐƯỜNG HẦM BẰNG PHƯƠNG PHÁP ĐÀO HẦM ĐỐI HƯỚNG " pptx

Tài liệu Báo cáo khoa học " ĐÁNH GIÁ KHẢ NĂNG THÔNG HƯỚNG KHI THI CÔNG ĐƯỜNG HẦM BẰNG PHƯƠNG PHÁP ĐÀO HẦM ĐỐI HƯỚNG " pptx

... nhiệm vụ của công tác trắc địa là đảm bảo khi thi công đào hầm phải đúng theo thiết kế cả về mặt bằng và độ cao. Bài báo này trình bày phương pháp kiểm tra, từ đó đưa ra nhận xét về khả năng ... tử có độ chính xác cao là phương pháp tối ưu và có độ chính xác tin cậy, đáp ứng được các đòi hỏi về tiến độ xây dựng, về kinh tế có chi phí thấp và đặc biệt phương pháp này phù hợp khi thi ......
Ngày tải lên : 18/02/2014, 13:20
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